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Posted to commits@ignite.apache.org by il...@apache.org on 2020/06/30 18:04:30 UTC

[ignite] 02/02: Stylistic fixes.

This is an automated email from the ASF dual-hosted git repository.

ilyak pushed a commit to branch ignite-13005
in repository https://gitbox.apache.org/repos/asf/ignite.git

commit 0e36155a372190a63d27e0c7a59a6c3831d2ac4f
Author: Ilya Kasnacheev <il...@gmail.com>
AuthorDate: Tue Jun 30 21:03:40 2020 +0300

    Stylistic fixes.
---
 .../springdata20/repository/IgniteRepository.java  |   4 +-
 .../repository/config/DynamicQueryConfig.java      |  75 ++-------
 .../config/IgniteRepositoriesRegistar.java         |   8 +-
 .../IgniteRepositoryConfigurationExtension.java    |  16 +-
 .../springdata20/repository/config/Query.java      |  10 --
 .../repository/query/DeclaredQuery.java            |   5 -
 .../repository/query/EmptyDeclaredQuery.java       |  33 +---
 .../query/ExpressionBasedStringQuery.java          |   1 -
 .../springdata20/repository/query/IgniteQuery.java |  25 +--
 .../repository/query/IgniteQueryGenerator.java     |   5 +-
 .../repository/query/IgniteRepositoryQuery.java    | 176 +++++++-------------
 .../springdata20/repository/query/QueryUtils.java  |  51 +-----
 .../springdata20/repository/query/StringQuery.java | 171 +++++++++-----------
 .../repository/query/spel/SpelEvaluator.java       |  19 +--
 .../repository/query/spel/SpelQueryContext.java    |  52 ++----
 .../repository/support/ConditionFalse.java         |   4 +-
 .../support/IgniteRepositoryFactory.java           |  46 ++----
 .../support/IgniteRepositoryFactoryBean.java       |  12 +-
 .../repository/support/IgniteRepositoryImpl.java   | 101 +++---------
 .../IgniteSpringDataCrudSelfExpressionTest.java    |  47 ++----
 .../springdata/IgniteSpringDataCrudSelfTest.java   |  52 +++---
 .../IgniteSpringDataQueriesSelfTest.java           |  95 ++++-------
 .../springdata/misc/ApplicationConfiguration.java  |   9 +-
 .../ignite/springdata/misc/FullNameProjection.java |   1 -
 .../ignite/springdata/misc/PersonProjection.java   |   2 +-
 .../ignite/springdata/misc/PersonRepository.java   |   2 +-
 .../misc/SampleEvaluationContextExtension.java     |  10 +-
 .../springdata22/repository/IgniteRepository.java  |   4 +-
 .../repository/config/DynamicQueryConfig.java      |  75 ++-------
 .../config/IgniteRepositoriesRegistar.java         |   8 +-
 .../IgniteRepositoryConfigurationExtension.java    |  16 +-
 .../springdata22/repository/config/Query.java      |  11 --
 .../repository/query/DeclaredQuery.java            |   5 -
 .../repository/query/EmptyDeclaredQuery.java       |  33 +---
 .../query/ExpressionBasedStringQuery.java          |   1 -
 .../springdata22/repository/query/IgniteQuery.java |  25 +--
 .../repository/query/IgniteQueryGenerator.java     |   5 +-
 .../repository/query/IgniteRepositoryQuery.java    | 177 +++++++--------------
 .../springdata22/repository/query/QueryUtils.java  |  51 +-----
 .../springdata22/repository/query/StringQuery.java | 172 +++++++++-----------
 .../repository/support/ConditionFalse.java         |   4 +-
 .../support/IgniteRepositoryFactory.java           |  46 ++----
 .../support/IgniteRepositoryFactoryBean.java       |  12 +-
 .../repository/support/IgniteRepositoryImpl.java   | 101 +++---------
 .../IgniteSpringDataCrudSelfExpressionTest.java    |  47 ++----
 .../springdata/IgniteSpringDataCrudSelfTest.java   |  52 +++---
 .../IgniteSpringDataQueriesSelfTest.java           |  95 ++++-------
 .../springdata/misc/ApplicationConfiguration.java  |   9 +-
 .../ignite/springdata/misc/FullNameProjection.java |   1 -
 .../ignite/springdata/misc/PersonProjection.java   |   2 +-
 .../ignite/springdata/misc/PersonRepository.java   |   2 +-
 .../misc/SampleEvaluationContextExtension.java     |  13 +-
 52 files changed, 594 insertions(+), 1405 deletions(-)

diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/IgniteRepository.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/IgniteRepository.java
index d311d72..7dee951 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/IgniteRepository.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/IgniteRepository.java
@@ -66,7 +66,7 @@ public interface IgniteRepository<V, K extends Serializable> extends CrudReposit
      * It's suggested to use this method instead of default {@link CrudRepository#save(Object)} that generates IDs
      * (keys) that are not unique cluster wide.
      *
-     * @param <S>      type of entities.
+     * @param <S>      Type of entities.
      * @param entities Map of key-entities pairs to save.
      * @return Saved entities.
      */
@@ -92,7 +92,7 @@ public interface IgniteRepository<V, K extends Serializable> extends CrudReposit
      * It's suggested to use this method instead of default {@link CrudRepository#save(Object)} that generates IDs
      * (keys) that are not unique cluster wide.
      *
-     * @param <S>       type of entities.
+     * @param <S>       Type of entities.
      * @param entities  Map of key-entities pairs to save.
      * @param expiryPlc ExpiryPolicy to apply, if not null.
      * @return Saved entities.
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/DynamicQueryConfig.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/DynamicQueryConfig.java
index 82bc02c..ed422a9 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/DynamicQueryConfig.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/DynamicQueryConfig.java
@@ -31,64 +31,37 @@ package org.apache.ignite.springdata20.repository.config;
  * @author Manuel Núñez Sánchez (manuel.nunez@hawkore.com)
  */
 public class DynamicQueryConfig {
-    /**
-     * Value.
-     */
+    /** */
     private String value = "";
 
-    /**
-     * Text query.
-     */
+    /** */
     private boolean textQuery;
 
-    /**
-     * Force fields query.
-     */
+    /** */
     private boolean forceFieldsQry;
 
-    /**
-     * Collocated.
-     */
+    /** */
     private boolean collocated;
 
-    /**
-     * Timeout.
-     */
+    /** */
     private int timeout;
 
-    /**
-     * Enforce join order.
-     */
+    /** */
     private boolean enforceJoinOrder;
 
-    /**
-     * Distributed joins.
-     */
+    /** */
     private boolean distributedJoins;
 
-    /**
-     * Replicated only.
-     */
-    private boolean replicatedOnly;
-
-    /**
-     * Lazy.
-     */
+    /** */
     private boolean lazy;
 
-    /**
-     * Local.
-     */
+    /** */
     private boolean local;
 
-    /**
-     * Parts.
-     */
+    /** */
     private int[] parts;
 
-    /**
-     * Limit.
-     */
+    /** */
     private int limit;
 
     /**
@@ -105,7 +78,6 @@ public class DynamicQueryConfig {
             config.timeout = queryConfiguration.timeout();
             config.enforceJoinOrder = queryConfiguration.enforceJoinOrder();
             config.distributedJoins = queryConfiguration.distributedJoins();
-            config.replicatedOnly = queryConfiguration.replicatedOnly();
             config.lazy = queryConfiguration.lazy();
             config.parts = queryConfiguration.parts();
             config.local = queryConfiguration.local();
@@ -201,19 +173,6 @@ public class DynamicQueryConfig {
     }
 
     /**
-     * Specify if the query contains only replicated tables. This is a hint for potentially more effective execution.
-     * <p>
-     * Only applicable to SqlFieldsQuery and SqlQuery
-     *
-     * @return the boolean
-     * @deprecated No longer used as of Apache Ignite 2.8.
-     */
-    @Deprecated
-    public boolean replicatedOnly() {
-        return replicatedOnly;
-    }
-
-    /**
      * Sets lazy query execution flag.
      * <p>
      * By default Ignite attempts to fetch the whole query result set to memory and send it to the client. For small and
@@ -344,17 +303,6 @@ public class DynamicQueryConfig {
     }
 
     /**
-     * Sets replicated only.
-     *
-     * @param replicatedOnly the replicated only
-     * @return this for chaining
-     */
-    public DynamicQueryConfig setReplicatedOnly(boolean replicatedOnly) {
-        this.replicatedOnly = replicatedOnly;
-        return this;
-    }
-
-    /**
      * Sets lazy.
      *
      * @param lazy the lazy
@@ -397,5 +345,4 @@ public class DynamicQueryConfig {
         this.limit = limit;
         return this;
     }
-
 }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/IgniteRepositoriesRegistar.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/IgniteRepositoriesRegistar.java
index 546eb2f..83ff7ff 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/IgniteRepositoriesRegistar.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/IgniteRepositoriesRegistar.java
@@ -24,16 +24,12 @@ import org.springframework.data.repository.config.RepositoryConfigurationExtensi
  * Apache Ignite specific implementation of {@link RepositoryBeanDefinitionRegistrarSupport}.
  */
 public class IgniteRepositoriesRegistar extends RepositoryBeanDefinitionRegistrarSupport {
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected Class<? extends Annotation> getAnnotation() {
         return EnableIgniteRepositories.class;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected RepositoryConfigurationExtension getExtension() {
         return new IgniteRepositoryConfigurationExtension();
     }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/IgniteRepositoryConfigurationExtension.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/IgniteRepositoryConfigurationExtension.java
index 9cd36ec..354e35b 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/IgniteRepositoryConfigurationExtension.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/IgniteRepositoryConfigurationExtension.java
@@ -27,30 +27,22 @@ import org.springframework.data.repository.config.RepositoryConfigurationExtensi
  * Apache Ignite specific implementation of {@link RepositoryConfigurationExtension}.
  */
 public class IgniteRepositoryConfigurationExtension extends RepositoryConfigurationExtensionSupport {
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public String getModuleName() {
         return "Apache Ignite";
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected String getModulePrefix() {
         return "ignite";
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public String getRepositoryFactoryBeanClassName() {
         return IgniteRepositoryFactoryBean.class.getName();
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected Collection<Class<?>> getIdentifyingTypes() {
         return Collections.singleton(IgniteRepository.class);
     }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/Query.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/Query.java
index 394ed43..7b44d19 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/Query.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/config/Query.java
@@ -89,16 +89,6 @@ public @interface Query {
     boolean distributedJoins() default false;
 
     /**
-     * Specify if the query contains only replicated tables. This is a hint for potentially more effective execution.
-     * <p>
-     * Only applicable to SqlFieldsQuery and SqlQuery
-     *
-     * @deprecated No longer used as of Apache Ignite 2.8.
-     */
-    @Deprecated
-    boolean replicatedOnly() default false;
-
-    /**
      * Sets lazy query execution flag.
      * <p>
      * By default Ignite attempts to fetch the whole query result set to memory and send it to the client. For small and
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/DeclaredQuery.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/DeclaredQuery.java
index 9edf321..42450ba 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/DeclaredQuery.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/DeclaredQuery.java
@@ -23,7 +23,6 @@ import org.springframework.util.StringUtils;
  * A wrapper for a String representation of a query offering information about the query.
  *
  * @author Jens Schauder
- * @since 2.0.3
  */
 interface DeclaredQuery {
     /**
@@ -56,8 +55,6 @@ interface DeclaredQuery {
 
     /**
      * Returns whether the query is using a constructor expression.
-     *
-     * @since 1.10
      */
     public boolean hasConstructorExpression();
 
@@ -84,7 +81,6 @@ interface DeclaredQuery {
 
     /**
      * @return whether paging is implemented in the query itself, e.g. using SpEL expressions.
-     * @since 2.0.6
      */
     public default boolean usesPaging() {
         return false;
@@ -95,7 +91,6 @@ interface DeclaredQuery {
      * name.
      *
      * @return Whether the query uses JDBC style parameters.
-     * @since 2.0.6
      */
     public boolean usesJdbcStyleParameters();
 }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/EmptyDeclaredQuery.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/EmptyDeclaredQuery.java
index 243c36e..85eeaf6 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/EmptyDeclaredQuery.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/EmptyDeclaredQuery.java
@@ -24,7 +24,6 @@ import org.springframework.util.Assert;
  * NULL-Object pattern implementation for {@link DeclaredQuery}.
  *
  * @author Jens Schauder
- * @since 2.0.3
  */
 class EmptyDeclaredQuery implements DeclaredQuery {
     /**
@@ -32,59 +31,43 @@ class EmptyDeclaredQuery implements DeclaredQuery {
      */
     static final DeclaredQuery EMPTY_QUERY = new EmptyDeclaredQuery();
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public boolean hasNamedParameter() {
         return false;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public String getQueryString() {
         return "";
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public String getAlias() {
         return null;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public boolean hasConstructorExpression() {
         return false;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public boolean isDefaultProjection() {
         return false;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public List<StringQuery.ParameterBinding> getParameterBindings() {
         return Collections.emptyList();
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public DeclaredQuery deriveCountQuery(@Nullable String cntQry, @Nullable String cntQryProjection) {
         Assert.hasText(cntQry, "CountQuery must not be empty!");
         return DeclaredQuery.of(cntQry);
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public boolean usesJdbcStyleParameters() {
         return false;
     }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/ExpressionBasedStringQuery.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/ExpressionBasedStringQuery.java
index 3791985..b7559a5 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/ExpressionBasedStringQuery.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/ExpressionBasedStringQuery.java
@@ -150,5 +150,4 @@ class ExpressionBasedStringQuery extends StringQuery {
     private static boolean containsExpression(String qry) {
         return qry.contains(ENTITY_NAME_VARIABLE_EXPRESSION);
     }
-
 }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteQuery.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteQuery.java
index 7e75bc2..44215a0 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteQuery.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteQuery.java
@@ -17,7 +17,7 @@
 
 package org.apache.ignite.springdata20.repository.query;
 
-import java.util.StringJoiner;
+import org.apache.ignite.internal.util.typedef.internal.S;
 
 /**
  * Ignite query helper class. For internal use only.
@@ -26,24 +26,15 @@ import java.util.StringJoiner;
  * @author Manuel Núñez (manuel.nunez@hawkore.com)
  */
 public class IgniteQuery {
-
-    /**
-     *
-     */
+    /** */
     enum Option {
-        /**
-         * Query will be used with Sort object.
-         */
+        /** Query will be used with Sort object. */
         SORTING,
 
-        /**
-         * Query will be used with Pageable object.
-         */
+        /** Query will be used with Pageable object. */
         PAGINATION,
 
-        /**
-         * No advanced option.
-         */
+        /** No advanced option. */
         NONE
     }
 
@@ -136,10 +127,8 @@ public class IgniteQuery {
         return option;
     }
 
+    /** */
     @Override public String toString() {
-        return new StringJoiner(", ", IgniteQuery.class.getSimpleName() + "[", "]").add("qrySql='" + qrySql + "'")
-            .add("isFieldQuery=" + isFieldQuery).add("isTextQuery=" + isTextQuery)
-            .add("isAutogenerated=" + isAutogenerated).add("option=" + option).toString();
+        return S.toString(IgniteQuery.class, this);
     }
-
 }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteQueryGenerator.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteQueryGenerator.java
index f8eb64c..a5b13b5 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteQueryGenerator.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteQueryGenerator.java
@@ -29,8 +29,9 @@ import org.springframework.data.repository.query.parser.PartTree;
  * Ignite query generator for Spring Data framework.
  */
 public class IgniteQueryGenerator {
-
+    /** */
     private IgniteQueryGenerator() {
+        // No-op.
     }
 
     /**
@@ -38,7 +39,6 @@ public class IgniteQueryGenerator {
      * @param metadata Metadata.
      * @return Generated ignite query.
      */
-    @NotNull
     public static IgniteQuery generateSql(Method mtd, RepositoryMetadata metadata) {
         PartTree parts = new PartTree(mtd.getName(), metadata.getDomainType());
 
@@ -253,5 +253,4 @@ public class IgniteQueryGenerator {
 
         sql.append(")");
     }
-
 }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteRepositoryQuery.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteRepositoryQuery.java
index 06ed98f..c01acf0 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteRepositoryQuery.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/IgniteRepositoryQuery.java
@@ -155,166 +155,105 @@ import static org.apache.ignite.springdata20.repository.support.IgniteRepository
  * </pre>
  * </li>
  * </ol>
- * <p>
- * Visit <a href="https://docs.hawkore.com/private/apache-ignite-advanced-indexing">Apache Ignite advanced Indexing
- * Documentation site</a> for more info about Advanced Lucene Index and Lucene Query Builder.
  *
  * @author Apache Ignite Team
  * @author Manuel Núñez (manuel.nunez@hawkore.com)
  */
 @SuppressWarnings("unchecked")
 public class IgniteRepositoryQuery implements RepositoryQuery {
-
+    /** */
     private static final TreeMap<String, Class<?>> binaryFieldClass = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
 
     /**
      * Defines the way how to process query result
      */
     private enum ReturnStrategy {
-        /**
-         * Need to return only one value.
-         */
+        /** Need to return only one value. */
         ONE_VALUE,
 
-        /**
-         * Need to return one cache entry
-         */
+        /** Need to return one cache entry */
         CACHE_ENTRY,
 
-        /**
-         * Need to return list of cache entries
-         */
+        /** Need to return list of cache entries */
         LIST_OF_CACHE_ENTRIES,
 
-        /**
-         * Need to return list of values
-         */
+        /** Need to return list of values */
         LIST_OF_VALUES,
 
-        /**
-         * Need to return list of lists
-         */
+        /** Need to return list of lists */
         LIST_OF_LISTS,
 
-        /**
-         * Need to return slice
-         */
+        /** Need to return slice */
         SLICE_OF_VALUES,
 
-        /**
-         * Slice of cache entries.
-         */
+        /** Slice of cache entries */
         SLICE_OF_CACHE_ENTRIES,
 
-        /**
-         * Slice of lists.
-         */
+        /** Slice of lists */
         SLICE_OF_LISTS,
 
-        /**
-         * Need to return Page of values
-         */
+        /** Need to return Page of values */
         PAGE_OF_VALUES,
 
-        /**
-         * Need to return stream of values
-         */
+        /** Need to return stream of values */
         STREAM_OF_VALUES,
     }
 
-    /**
-     * Type.
-     */
+    /** */
     private final Class<?> type;
 
-    /**
-     * Sql.
-     */
+    /** */
     private final IgniteQuery staticQuery;
 
-    /**
-     * Cache.
-     */
+    /** */
     private final IgniteCache cache;
 
-    /**
-     * Ignite instance
-     */
+    /** */
     private final Ignite ignite;
 
-    /**
-     * required by qryStr field query type for binary manipulation
-     */
+    /** Required by qryStr field query type for binary manipulation */
     private IgniteBinaryImpl igniteBinary;
 
-    /**
-     * Ignite bin type.
-     */
+    /** */
     private BinaryType igniteBinType;
 
-    /**
-     * Method.
-     */
+    /** */
     private final Method mtd;
 
-    /**
-     * Metadata.
-     */
+    /** */
     private final RepositoryMetadata metadata;
 
-    /**
-     * Factory.
-     */
+    /** */
     private final ProjectionFactory factory;
 
-    /**
-     * Return strategy.
-     */
+    /** */
     private final ReturnStrategy staticReturnStgy;
 
-    /**
-     * Detect if returned data from method is projected
-     */
+    /** Detect if returned data from method is projected */
     private final boolean hasProjection;
 
-    /**
-     * Whether projection is dynamic (provided as method parameter)
-     */
+    /** Whether projection is dynamic (provided as method parameter) */
     private final boolean hasDynamicProjection;
 
-    /**
-     * Dynamic projection parameter index.
-     */
+    /** Dynamic projection parameter index */
     private final int dynamicProjectionIndex;
 
-    /**
-     * Dynamic query configuration.
-     */
+    /** Dynamic query configuration */
     private final int dynamicQueryConfigurationIndex;
 
-    /**
-     * the return query method
-     */
+    /** The return query method */
     private final QueryMethod qMethod;
 
-    /**
-     * the return domain class of QueryMethod
-     */
+    /** The return domain class of QueryMethod */
     private final Class<?> returnedDomainClass;
 
-    /**
-     * Expression parser.
-     */
+    /** */
     private final SpelExpressionParser expressionParser;
 
-    /**
-     * could provide ExtensionAwareQueryMethodEvaluationContextProvider
-     */
+    /** Could provide ExtensionAwareQueryMethodEvaluationContextProvider */
     private final EvaluationContextProvider queryMethodEvaluationContextProvider;
 
-    /**
-     * Static query configuration.
-     */
+    /** Static query configuration. */
     private final DynamicQueryConfig staticQueryConfiguration;
 
     /**
@@ -385,7 +324,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
      * @return the object
      */
     @Override public Object execute(Object[] values) {
-
         Object[] parameters = values;
 
         // config via Query annotation (dynamicQuery = false)
@@ -419,9 +357,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         return transformQueryCursor(qry, returnStgy, parameters, qryCursor);
     }
 
-    /**
-     * {@inheritDoc} @return the query method
-     */
+    /** {@inheritDoc} */
     @Override public QueryMethod getQueryMethod() {
         return new QueryMethod(mtd, metadata, factory);
     }
@@ -433,28 +369,35 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         int index = -1;
         while (it.hasNext()) {
             T parameter = it.next();
+
             if (DynamicQueryConfig.class.isAssignableFrom(parameter.getType())) {
                 if (found) {
                     throw new IllegalStateException("Invalid '" + method.getName() + "' repository method signature. "
                         + "Only ONE DynamicQueryConfig parameter is allowed");
                 }
+
                 found = true;
                 index = i;
             }
+
             i++;
         }
         return index;
     }
 
+    /** */
     private synchronized IgniteBinaryImpl binary() {
         if (igniteBinary == null)
             igniteBinary = (IgniteBinaryImpl)ignite.binary();
+
         return igniteBinary;
     }
 
+    /** */
     private synchronized BinaryType binType() {
         if (igniteBinType == null)
             igniteBinType = binary().type(type);
+
         return igniteBinType;
     }
 
@@ -500,7 +443,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
      * @return if {@code mtd} return type is assignable from {@code cls}
      */
     private boolean hasAssignableGenericReturnTypeFrom(Class<?> cls, Method mtd) {
-
         Type genericReturnType = mtd.getGenericReturnType();
 
         if (!(genericReturnType instanceof ParameterizedType))
@@ -529,7 +471,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
     }
 
     /**
-     * when select fields by query H2 returns Timestamp for types java.util.Date and java.qryStr.Timestamp
+     * When select fields by query H2 returns Timestamp for types java.util.Date and java.qryStr.Timestamp
      *
      * @see org.apache.ignite.internal.processors.query.h2.H2DatabaseType map.put(Timestamp.class, TIMESTAMP)
      * map.put(java.util.Date.class, TIMESTAMP) map.put(java.qryStr.Date.class, DATE)
@@ -537,6 +479,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
     private static <T> T fixExpectedType(final Object object, final Class<T> expected) {
         if (expected != null && object instanceof java.sql.Timestamp && expected.equals(java.util.Date.class))
             return (T)new java.util.Date(((java.sql.Timestamp)object).getTime());
+
         return (T)object;
     }
 
@@ -546,11 +489,13 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
     private IgniteQuery getQuery(@Nullable DynamicQueryConfig cfg) {
         if (staticQuery != null)
             return staticQuery;
+
         if (cfg != null && (StringUtils.hasText(cfg.value()) || cfg.textQuery())) {
             return new IgniteQuery(cfg.value(),
                 !cfg.textQuery() && (isFieldQuery(cfg.value()) || cfg.forceFieldsQuery()), cfg.textQuery(),
                 false, IgniteQueryGenerator.getOptions(mtd));
         }
+
         throw new IllegalStateException("Unable to obtain a valid query. When passing dynamicQuery = true via org"
             + ".apache.ignite.springdata.repository.config.Query annotation, you must"
             + " provide a non null method parameter of type DynamicQueryConfig with a "
@@ -563,8 +508,10 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
     private ReturnStrategy getReturnStgy(IgniteQuery qry) {
         if (staticReturnStgy != null)
             return staticReturnStgy;
+
         if (qry != null)
             return calcReturnType(mtd, qry.isFieldQuery());
+
         throw new IllegalStateException("Unable to obtain a valid return strategy. When passing dynamicQuery = true "
             + "via org.apache.ignite.springdata.repository.config.Query annotation, "
             + "you must provide a non null method parameter of type "
@@ -600,7 +547,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         ReturnStrategy returnStgy,
         Object[] prmtrs,
         QueryCursor qryCursor) {
-
         final Class<?> returnClass;
 
         if (hasProjection) {
@@ -726,7 +672,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
     private Object[] extractBindableValues(Object[] values,
         Parameters<?, ?> queryMethodParams,
         List<ParameterBinding> queryBindings) {
-
         // no binding params then exit
         if (queryBindings.isEmpty())
             return values;
@@ -785,7 +730,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
      */
     @NotNull
     private Query prepareQuery(IgniteQuery qry, DynamicQueryConfig config, ReturnStrategy returnStgy, Object[] values) {
-
         Object[] parameters = values;
 
         String queryString = qry.qryStr();
@@ -795,7 +739,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         checkRequiredPageable(returnStgy, values);
 
         if (!qry.isTextQuery()) {
-
             if (!qry.isAutogenerated()) {
                 StringQuery squery = new ExpressionBasedStringQuery(queryString, metadata, expressionParser);
                 queryString = squery.getQueryString();
@@ -839,7 +782,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
                 if (config.parts() != null && config.parts().length > 0)
                     sqlFieldsQry.setPartitions(config.parts());
 
-                sqlFieldsQry.setReplicatedOnly(config.replicatedOnly());
                 sqlFieldsQry.setTimeout(config.timeout(), TimeUnit.MILLISECONDS);
 
                 query = sqlFieldsQry;
@@ -850,16 +792,16 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
 
                 sqlQry.setDistributedJoins(config.distributedJoins());
                 sqlQry.setLocal(config.local());
+
                 if (config.parts() != null && config.parts().length > 0)
                     sqlQry.setPartitions(config.parts());
-                sqlQry.setReplicatedOnly(config.replicatedOnly());
+
                 sqlQry.setTimeout(config.timeout(), TimeUnit.MILLISECONDS);
 
                 query = sqlQry;
             }
         }
         else {
-
             int pageSize = -1;
 
             switch (qry.options()) {
@@ -898,6 +840,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         return query;
     }
 
+    /** */
     private static Map<String, Object> rowToMap(final List<?> row, final List<GridQueryFieldMetadata> meta) {
         // use treemap with case insensitive property name
         final TreeMap<String, Object> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
@@ -911,7 +854,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         return map;
     }
 
-    /*
+    /**
      * convert row ( with list of field values) into domain entity
      */
     private <V> V rowToEntity(final IgniteBinaryImpl binary,
@@ -952,7 +895,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         final BinaryType binType,
         final GridQueryFieldMetadata fieldMeta) {
         try {
-
             final String fieldId = fieldMeta.schemaName() + "." + fieldMeta.typeName() + "." + fieldMeta.fieldName();
 
             if (binaryFieldClass.containsKey(fieldId))
@@ -1037,7 +979,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
      * @param <V> transformed output type
      */
     public static class QueryCursorWrapper<T, V> extends AbstractCollection<V> implements QueryCursor<V> {
-
         /**
          * Delegate query cursor.
          */
@@ -1059,14 +1000,12 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
             this.transformer = transformer;
         }
 
-        /**
-         * {@inheritDoc} @return the iterator
-         */
+        /** {@inheritDoc} */
         @Override public Iterator<V> iterator() {
-
             final Iterator<T> it = delegate.iterator();
 
             return new Iterator<V>() {
+                /** */
                 @Override public boolean hasNext() {
                     if (!it.hasNext()) {
                         U.closeQuiet(delegate);
@@ -1075,6 +1014,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
                     return true;
                 }
 
+                /** */
                 @Override public V next() {
                     final V r = transformer.apply(it.next());
                     if (r != null)
@@ -1084,16 +1024,12 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
             };
         }
 
-        /**
-         * {@inheritDoc}
-         */
+        /** {@inheritDoc} */
         @Override public void close() {
             U.closeQuiet(delegate);
         }
 
-        /**
-         * {@inheritDoc} @return the all
-         */
+        /** {@inheritDoc} */
         @Override public List<V> getAll() {
             final List<V> data = new ArrayList<>();
             delegate.forEach(i -> data.add(transformer.apply(i)));
@@ -1101,13 +1037,9 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
             return data;
         }
 
-        /**
-         * {@inheritDoc} @return the int
-         */
+        /** {@inheritDoc} */
         @Override public int size() {
             return 0;
         }
-
     }
-
 }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/QueryUtils.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/QueryUtils.java
index e31c0d0..2f74e44 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/QueryUtils.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/QueryUtils.java
@@ -118,7 +118,6 @@ public abstract class QueryUtils {
     private static final Pattern FUNCTION_PATTERN;
 
     static {
-
         StringBuilder builder = new StringBuilder();
         builder.append("(?<=from)"); // from as starting delimiter
         builder.append("(?:\\s)+"); // at least one space separating
@@ -165,7 +164,7 @@ public abstract class QueryUtils {
      * Private constructor to prevent instantiation.
      */
     private QueryUtils() {
-
+        // No-op.
     }
 
     /**
@@ -179,7 +178,6 @@ public abstract class QueryUtils {
     public static String getExistsQueryString(String entityName,
         String cntQryPlaceHolder,
         Iterable<String> idAttrs) {
-
         String whereClause = Streamable.of(idAttrs).stream() //
             .map(idAttribute -> String.format(EQUALS_CONDITION_STRING, "x", idAttribute,
                 idAttribute)) //
@@ -194,10 +192,9 @@ public abstract class QueryUtils {
      * @param template   must not be {@literal null}.
      * @param entityName must not be {@literal null}.
      * @return the template with placeholders replaced by the {@literal entityName}. Guaranteed to be not {@literal
-     * null}.
+     *     null}.
      */
     public static String getQueryString(String template, String entityName) {
-
         Assert.hasText(entityName, "Entity name must not be null or empty!");
 
         return String.format(template, entityName);
@@ -210,12 +207,10 @@ public abstract class QueryUtils {
      * @return a {@literal Set} of aliases used in the query. Guaranteed to be not {@literal null}.
      */
     static Set<String> getOuterJoinAliases(String qry) {
-
         Set<String> result = new HashSet<>();
         Matcher matcher = JOIN_PATTERN.matcher(qry);
 
         while (matcher.find()) {
-
             String alias = matcher.group(QUERY_JOIN_ALIAS_GROUP_INDEX);
             if (StringUtils.hasText(alias))
                 result.add(alias);
@@ -231,12 +226,10 @@ public abstract class QueryUtils {
      * @return a {@literal Set} containing all found aliases. Guaranteed to be not {@literal null}.
      */
     static Set<String> getFunctionAliases(String qry) {
-
         Set<String> result = new HashSet<>();
         Matcher matcher = FUNCTION_PATTERN.matcher(qry);
 
         while (matcher.find()) {
-
             String alias = matcher.group(1);
 
             if (StringUtils.hasText(alias))
@@ -251,12 +244,9 @@ public abstract class QueryUtils {
      *
      * @param qry must not be {@literal null}.
      * @return Might return {@literal null}.
-     * @deprecated use {@link DeclaredQuery#getAlias()} instead.
      */
     @Nullable
-    @Deprecated
-    public static String detectAlias(String qry) {
-
+    static String detectAlias(String qry) {
         Matcher matcher = ALIAS_MATCH.matcher(qry);
 
         return matcher.find() ? matcher.group(2) : null;
@@ -265,34 +255,17 @@ public abstract class QueryUtils {
     /**
      * Creates a count projected query from the given original query.
      *
-     * @param originalQry must not be {@literal null} or empty.
-     * @return Guaranteed to be not {@literal null}.
-     * @deprecated use {@link DeclaredQuery#deriveCountQuery(String, String)} instead.
-     */
-    @Deprecated
-    public static String createCountQueryFor(String originalQry) {
-        return createCountQueryFor(originalQry, null);
-    }
-
-    /**
-     * Creates a count projected query from the given original query.
-     *
      * @param originalQry   must not be {@literal null}.
      * @param cntProjection may be {@literal null}.
      * @return a query String to be used a count query for pagination. Guaranteed to be not {@literal null}.
-     * @since 1.6
-     * @deprecated use {@link DeclaredQuery#deriveCountQuery(String, String)} instead.
      */
-    @Deprecated
-    public static String createCountQueryFor(String originalQry, @Nullable String cntProjection) {
-
+    static String createCountQueryFor(String originalQry, @Nullable String cntProjection) {
         Assert.hasText(originalQry, "OriginalQuery must not be null or empty!");
 
         Matcher matcher = COUNT_MATCH.matcher(originalQry);
         String countQuery;
 
         if (cntProjection == null) {
-
             String variable = matcher.matches() ? matcher.group(VARIABLE_NAME_GROUP_INDEX) : null;
             boolean useVariable = variable != null && StringUtils.hasText(variable) && !variable.startsWith("new")
                 && !variable.startsWith("count(") && !variable.contains(",");
@@ -307,25 +280,12 @@ public abstract class QueryUtils {
     }
 
     /**
-     * Returns whether the given query contains named parameters.
-     *
-     * @param qry can be {@literal null} or empty.
-     * @return whether the given query contains named parameters.
-     */
-    @Deprecated
-    static boolean hasNamedParameter(@Nullable String qry) {
-        return StringUtils.hasText(qry) && NAMED_PARAMETER.matcher(qry).find();
-    }
-
-    /**
      * Returns whether the given JPQL query contains a constructor expression.
      *
      * @param qry must not be {@literal null} or empty.
      * @return boolean
-     * @since 1.10
      */
     public static boolean hasConstructorExpression(String qry) {
-
         Assert.hasText(qry, "Query must not be null or empty!");
 
         return CONSTRUCTOR_EXPRESSION.matcher(qry).find();
@@ -336,15 +296,12 @@ public abstract class QueryUtils {
      *
      * @param qry must not be {@literal null} or empty.
      * @return projection
-     * @since 1.10.2
      */
     public static String getProjection(String qry) {
-
         Assert.hasText(qry, "Query must not be null or empty!");
 
         Matcher matcher = PROJECTION_CLAUSE.matcher(qry);
         String projection = matcher.find() ? matcher.group(1) : "";
         return projection.trim();
     }
-
 }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/StringQuery.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/StringQuery.java
index ca056c5..c6e2572 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/StringQuery.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/StringQuery.java
@@ -50,18 +50,23 @@ import static org.springframework.util.ObjectUtils.nullSafeHashCode;
  * @author Jens Schauder
  */
 class StringQuery implements DeclaredQuery {
-
+    /** */
     private final String query;
 
+    /** */
     private final List<ParameterBinding> bindings;
 
+    /** */
     @Nullable
     private final String alias;
 
+    /** */
     private final boolean hasConstructorExpression;
 
+    /** */
     private final boolean containsPageableInSpel;
 
+    /** */
     private final boolean usesJdbcStyleParameters;
 
     /**
@@ -69,8 +74,7 @@ class StringQuery implements DeclaredQuery {
      *
      * @param query must not be {@literal null} or empty.
      */
-    @SuppressWarnings("deprecation") StringQuery(String query) {
-
+    StringQuery(String query) {
         Assert.hasText(query, "Query must not be null or empty!");
 
         bindings = new ArrayList<>();
@@ -93,84 +97,64 @@ class StringQuery implements DeclaredQuery {
         return !bindings.isEmpty();
     }
 
+    /** */
     String getProjection() {
         return QueryUtils.getProjection(query);
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#getParameterBindings()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#getParameterBindings()
+    /** {@inheritDoc} */
     @Override public List<ParameterBinding> getParameterBindings() {
         return bindings;
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#deriveCountQuery(java.lang.String, java.lang
-     * .String)
-     */
-    @SuppressWarnings("deprecation")
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#deriveCountQuery(java.lang.String, java.lang
+    /** {@inheritDoc} */
     @Override public DeclaredQuery deriveCountQuery(@Nullable String countQuery,
         @Nullable String countQueryProjection) {
-
         return DeclaredQuery
             .of(countQuery != null ? countQuery : QueryUtils.createCountQueryFor(query, countQueryProjection));
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#usesJdbcStyleParameters()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#usesJdbcStyleParameters()
+    /** */
     @Override public boolean usesJdbcStyleParameters() {
         return usesJdbcStyleParameters;
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#getQueryString()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#getQueryString()
+    /** {@inheritDoc} */
     @Override public String getQueryString() {
         return query;
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#getAlias()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#getAlias()
+    /** {@inheritDoc} */
     @Override @Nullable
     public String getAlias() {
         return alias;
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#hasConstructorExpression()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#hasConstructorExpression()
+    /** {@inheritDoc} */
     @Override public boolean hasConstructorExpression() {
         return hasConstructorExpression;
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#isDefaultProjection()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#isDefaultProjection()
+    /** {@inheritDoc} */
     @Override public boolean isDefaultProjection() {
         return getProjection().equalsIgnoreCase(alias);
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#hasNamedParameter()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#hasNamedParameter()
+    /** {@inheritDoc} */
     @Override public boolean hasNamedParameter() {
         return bindings.stream().anyMatch(b -> b.getName() != null);
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#usesPaging()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#usesPaging()
+    /** {@inheritDoc} */
     @Override public boolean usesPaging() {
         return containsPageableInSpel;
     }
@@ -181,24 +165,40 @@ class StringQuery implements DeclaredQuery {
      * @author Thomas Darimont
      */
     enum ParameterBindingParser {
+        /** */
         INSTANCE;
+
+        /** */
         private static final String EXPRESSION_PARAMETER_PREFIX = "__$synthetic$__";
+
+        /** */
         public static final String POSITIONAL_OR_INDEXED_PARAMETER = "\\?(\\d*+(?![#\\w]))";
         // .....................................................................^ not followed by a hash or a letter.
         // .................................................................^ zero or more digits.
         // .............................................................^ start with a question mark.
+
+        /** */
         private static final Pattern PARAMETER_BINDING_BY_INDEX = Pattern.compile(POSITIONAL_OR_INDEXED_PARAMETER);
+
+        /** */
         private static final Pattern PARAMETER_BINDING_PATTERN;
+
+        /** */
         private static final String MESSAGE =
             "Already found parameter binding with same index / parameter name but differing binding type! "
                 + "Already have: %s, found %s! If you bind a parameter multiple times make sure they use the same "
                 + "binding.";
+
+        /** */
         private static final int INDEXED_PARAMETER_GROUP = 4;
+
+        /** */
         private static final int NAMED_PARAMETER_GROUP = 6;
+
+        /** */
         private static final int COMPARISION_TYPE_GROUP = 1;
 
         static {
-
             List<String> keywords = new ArrayList<>();
 
             for (ParameterBindingType type : ParameterBindingType.values()) {
@@ -233,7 +233,6 @@ class StringQuery implements DeclaredQuery {
         private String parseParameterBindingsOfQueryIntoBindingsAndReturnCleanedQuery(String query,
             List<ParameterBinding> bindings,
             Metadata queryMeta) {
-
             int greatestParamIdx = tryFindGreatestParameterIndexIn(query);
             boolean parametersShouldBeAccessedByIdx = greatestParamIdx != -1;
 
@@ -255,8 +254,8 @@ class StringQuery implements DeclaredQuery {
             int expressionParamIdx = parametersShouldBeAccessedByIdx ? greatestParamIdx : 0;
 
             boolean usesJpaStyleParameters = false;
-            while (matcher.find()) {
 
+            while (matcher.find()) {
                 if (quotedAreas.isQuoted(matcher.start()))
                     continue;
 
@@ -274,7 +273,6 @@ class StringQuery implements DeclaredQuery {
 
                 expressionParamIdx++;
                 if (paramIdxStr != null && paramIdxStr.isEmpty()) {
-
                     queryMeta.usesJdbcStyleParameters = true;
                     paramIdx = expressionParamIdx;
                 }
@@ -295,9 +293,7 @@ class StringQuery implements DeclaredQuery {
                 }
 
                 switch (ParameterBindingType.of(typeSrc)) {
-
                     case LIKE:
-
                         Type likeType = LikeParameterBinding.getLikeTypeFrom(matcher.group(2));
                         replacement = matcher.group(3);
 
@@ -312,7 +308,6 @@ class StringQuery implements DeclaredQuery {
                         break;
 
                     case IN:
-
                         if (paramIdx != null)
                             checkAndRegister(new InParameterBinding(paramIdx, expression), bindings);
                         else
@@ -334,6 +329,7 @@ class StringQuery implements DeclaredQuery {
             return resultingQry;
         }
 
+        /** */
         private static SpelExtractor createSpelExtractor(String queryWithSpel,
             boolean parametersShouldBeAccessedByIndex,
             int greatestParameterIndex) {
@@ -359,8 +355,8 @@ class StringQuery implements DeclaredQuery {
             return SpelQueryContext.of(indexToParameterName, parameterNameToReplacement).parse(queryWithSpel);
         }
 
+        /** */
         private static String replaceFirst(String text, String substring, String replacement) {
-
             int index = text.indexOf(substring);
             if (index < 0)
                 return text;
@@ -368,16 +364,16 @@ class StringQuery implements DeclaredQuery {
             return text.substring(0, index) + replacement + text.substring(index + substring.length());
         }
 
+        /** */
         @Nullable
         private static Integer getParameterIndex(@Nullable String parameterIndexString) {
-
             if (parameterIndexString == null || parameterIndexString.isEmpty())
                 return null;
             return Integer.valueOf(parameterIndexString);
         }
 
+        /** */
         private static int tryFindGreatestParameterIndexIn(String query) {
-
             Matcher parameterIndexMatcher = PARAMETER_BINDING_BY_INDEX.matcher(query);
 
             int greatestParameterIndex = -1;
@@ -392,6 +388,7 @@ class StringQuery implements DeclaredQuery {
             return greatestParameterIndex;
         }
 
+        /** */
         private static void checkAndRegister(ParameterBinding binding, List<ParameterBinding> bindings) {
 
             bindings.stream() //
@@ -411,12 +408,20 @@ class StringQuery implements DeclaredQuery {
         private enum ParameterBindingType {
             // Trailing whitespace is intentional to reflect that the keywords must be used with at least one whitespace
             // character, while = does not.
+            /** */
             LIKE("like "),
+
+            /** */
             IN("in "),
+
+            /** */
             AS_IS(null);
-            private final @Nullable
-            String keyword;
 
+            /** */
+            @Nullable
+            private final String keyword;
+
+            /** */
             ParameterBindingType(@Nullable String keyword) {
                 this.keyword = keyword;
             }
@@ -437,7 +442,6 @@ class StringQuery implements DeclaredQuery {
              * #AS_IS} in case no other {@link ParameterBindingType} could be found.
              */
             static ParameterBindingType of(String typeSource) {
-
                 if (!StringUtils.hasText(typeSource))
                     return AS_IS;
 
@@ -457,12 +461,15 @@ class StringQuery implements DeclaredQuery {
      * @author Thomas Darimont
      */
     static class ParameterBinding {
+        /** */
         @Nullable
         private final String name;
 
+        /** */
         @Nullable
         private final String expression;
 
+        /** */
         @Nullable
         private final Integer position;
 
@@ -523,7 +530,6 @@ class StringQuery implements DeclaredQuery {
         /**
          * @return the name
          * @throws IllegalStateException if the name is not available.
-         * @since 2.0
          */
         String getRequiredName() throws IllegalStateException {
 
@@ -546,7 +552,6 @@ class StringQuery implements DeclaredQuery {
         /**
          * @return the position
          * @throws IllegalStateException if the position is not available.
-         * @since 2.0
          */
         int getRequiredPosition() throws IllegalStateException {
 
@@ -565,10 +570,7 @@ class StringQuery implements DeclaredQuery {
             return expression != null;
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#hashCode()
-         */
+        /** */
         @Override public int hashCode() {
 
             int result = 17;
@@ -580,10 +582,7 @@ class StringQuery implements DeclaredQuery {
             return result;
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#equals(java.lang.Object)
-         */
+        /** */
         @Override public boolean equals(Object obj) {
 
             if (!(obj instanceof ParameterBinding))
@@ -595,10 +594,7 @@ class StringQuery implements DeclaredQuery {
                 && nullSafeEquals(expression, that.expression);
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#toString()
-         */
+        /** */
         @Override public String toString() {
             return String.format("ParameterBinding [name: %s, position: %d, expression: %s]", getName(), getPosition(),
                 getExpression());
@@ -612,11 +608,11 @@ class StringQuery implements DeclaredQuery {
             return valueToBind;
         }
 
+        /** */
         @Nullable
         public String getExpression() {
             return expression;
         }
-
     }
 
     /**
@@ -626,7 +622,6 @@ class StringQuery implements DeclaredQuery {
      * @author Thomas Darimont
      */
     static class InParameterBinding extends ParameterBinding {
-
         /**
          * Creates a new {@link InParameterBinding} for the parameter with the given name.
          */
@@ -646,7 +641,6 @@ class StringQuery implements DeclaredQuery {
          * @see org.springframework.data.jpa.repository.query.StringQuery.ParameterBinding#prepare(java.lang.Object)
          */
         @Override public Object prepare(@Nullable Object value) {
-
             if (!ObjectUtils.isArray(value))
                 return value;
 
@@ -669,10 +663,11 @@ class StringQuery implements DeclaredQuery {
      * @author Thomas Darimont
      */
     static class LikeParameterBinding extends ParameterBinding {
-
+        /** */
         private static final List<Type> SUPPORTED_TYPES = Arrays.asList(Type.CONTAINING, Type.STARTING_WITH,
             Type.ENDING_WITH, Type.LIKE);
 
+        /** */
         private final Type type;
 
         /**
@@ -750,7 +745,6 @@ class StringQuery implements DeclaredQuery {
          */
         @Nullable
         @Override public Object prepare(@Nullable Object value) {
-
             if (value == null)
                 return null;
 
@@ -767,12 +761,8 @@ class StringQuery implements DeclaredQuery {
             }
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#equals(java.lang.Object)
-         */
+        /** */
         @Override public boolean equals(Object obj) {
-
             if (!(obj instanceof LikeParameterBinding))
                 return false;
 
@@ -781,10 +771,7 @@ class StringQuery implements DeclaredQuery {
             return super.equals(obj) && type.equals(that.type);
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#hashCode()
-         */
+        /** */
         @Override public int hashCode() {
 
             int result = super.hashCode();
@@ -794,10 +781,7 @@ class StringQuery implements DeclaredQuery {
             return result;
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#toString()
-         */
+        /** */
         @Override public String toString() {
             return String.format("LikeBinding [name: %s, position: %d, type: %s]", getName(), getPosition(), type);
         }
@@ -825,13 +809,12 @@ class StringQuery implements DeclaredQuery {
 
     }
 
+    /** */
     static class Metadata {
-
         /**
          * Uses jdbc style parameters.
          */
         private boolean usesJdbcStyleParameters;
-
     }
 
     /**
@@ -840,12 +823,12 @@ class StringQuery implements DeclaredQuery {
      *
      * @author Jens Schauder
      * @author Oliver Gierke
-     * @since 2.1
      */
     static class QuotationMap {
-
+        /** */
         private static final Collection<Character> QUOTING_CHARACTERS = Arrays.asList('"', '\'');
 
+        /** */
         private final List<Range<Integer>> quotedRanges = new ArrayList<>();
 
         /**
@@ -854,7 +837,6 @@ class StringQuery implements DeclaredQuery {
          * @param query can be {@literal null}.
          */
         public QuotationMap(@Nullable String query) {
-
             if (query == null)
                 return;
 
@@ -862,18 +844,15 @@ class StringQuery implements DeclaredQuery {
             int start = 0;
 
             for (int i = 0; i < query.length(); i++) {
-
                 char currentChar = query.charAt(i);
 
                 if (QUOTING_CHARACTERS.contains(currentChar)) {
-
                     if (inQuotation == null) {
 
                         inQuotation = currentChar;
                         start = i;
                     }
                     else if (currentChar == inQuotation) {
-
                         inQuotation = null;
 
                         quotedRanges.add(Range.from(Bound.inclusive(start)).to(Bound.inclusive(i)));
@@ -896,7 +875,5 @@ class StringQuery implements DeclaredQuery {
         public boolean isQuoted(int idx) {
             return quotedRanges.stream().anyMatch(r -> r.contains(idx));
         }
-
     }
-
 }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/spel/SpelEvaluator.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/spel/SpelEvaluator.java
index f2b5e26..598b79a 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/spel/SpelEvaluator.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/spel/SpelEvaluator.java
@@ -32,27 +32,18 @@ import org.springframework.util.Assert;
  * @author Jens Schauder
  * @author Gerrit Meier
  * @author Oliver Gierke
- * @since spring data 2.1 - transition code (borrowed and adapted code from version 2.1)
  */
 public class SpelEvaluator {
-    /**
-     * Parser.
-     */
+    /** */
     private static final SpelExpressionParser PARSER = new SpelExpressionParser();
 
-    /**
-     * Evaluation context provider.
-     */
+    /** */
     private final EvaluationContextProvider evaluationCtxProvider;
 
-    /**
-     * Parameters.
-     */
+    /** */
     private final Parameters<?, ?> parameters;
 
-    /**
-     * Extractor.
-     */
+    /** */
     private final SpelExtractor extractor;
 
     /**
@@ -75,7 +66,6 @@ public class SpelEvaluator {
      * @return a map from parameter name to evaluated value. Guaranteed to be not {@literal null}.
      */
     public Map<String, Object> evaluate(Object[] values) {
-
         Assert.notNull(values, "Values must not be null.");
 
         EvaluationContext evaluationCtx = evaluationCtxProvider.getEvaluationContext(parameters, values);
@@ -103,5 +93,4 @@ public class SpelEvaluator {
     private static Object getSpElValue(EvaluationContext evaluationCtx, String expression) {
         return PARSER.parseExpression(expression).getValue(evaluationCtx);
     }
-
 }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/spel/SpelQueryContext.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/spel/SpelQueryContext.java
index 579b36f..0684a5f 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/spel/SpelQueryContext.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/query/spel/SpelQueryContext.java
@@ -39,17 +39,12 @@ import org.springframework.util.Assert;
  *
  * @author Jens Schauder
  * @author Gerrit Meier
- * @since spring data 2.1 - transition code (borrowed and adapted code from version 2.1)
  */
 public class SpelQueryContext {
-    /**
-     * Spel pattern string.
-     */
+    /** */
     private static final String SPEL_PATTERN_STRING = "([:?])#\\{([^}]+)}";
 
-    /**
-     * Spel pattern.
-     */
+    /** */
     private static final Pattern SPEL_PATTERN = Pattern.compile(SPEL_PATTERN_STRING);
 
     /**
@@ -68,6 +63,7 @@ public class SpelQueryContext {
      */
     private final BiFunction<String, String, String> replacementSrc;
 
+    /** */
     private SpelQueryContext(BiFunction<Integer, String, String> paramNameSrc,
         BiFunction<String, String, String> replacementSrc) {
         this.paramNameSrc = paramNameSrc;
@@ -112,7 +108,6 @@ public class SpelQueryContext {
      * @return Evaluating Spel QueryContext
      */
     public EvaluatingSpelQueryContext withEvaluationContextProvider(EvaluationContextProvider provider) {
-
         Assert.notNull(provider, "EvaluationContextProvider must not be null!");
 
         return new EvaluatingSpelQueryContext(provider, paramNameSrc, replacementSrc);
@@ -123,10 +118,9 @@ public class SpelQueryContext {
      * {@link EvaluationContextProvider}.
      *
      * @author Oliver Gierke
-     * @since 2.1
      */
     public static class EvaluatingSpelQueryContext extends SpelQueryContext {
-
+        /** */
         private final EvaluationContextProvider evaluationContextProvider;
 
         /**
@@ -139,7 +133,6 @@ public class SpelQueryContext {
          */
         private EvaluatingSpelQueryContext(EvaluationContextProvider evaluationCtxProvider,
             BiFunction<Integer, String, String> paramNameSrc, BiFunction<String, String, String> replacementSrc) {
-
             super(paramNameSrc, replacementSrc);
 
             evaluationContextProvider = evaluationCtxProvider;
@@ -174,33 +167,21 @@ public class SpelQueryContext {
      *
      * @author Jens Schauder
      * @author Oliver Gierke
-     * @since 2.1
      */
     public class SpelExtractor {
-
-        /**
-         * Prefix group index.
-         */
+        /** */
         private static final int PREFIX_GROUP_INDEX = 1;
 
-        /**
-         * Expression group index.
-         */
+        /** */
         private static final int EXPRESSION_GROUP_INDEX = 2;
 
-        /**
-         * Query.
-         */
+        /** */
         private final String query;
 
-        /**
-         * Expressions.
-         */
+        /** */
         private final Map<String, String> expressions;
 
-        /**
-         * Quotations.
-         */
+        /** */
         private final QuotationMap quotations;
 
         /**
@@ -209,7 +190,6 @@ public class SpelQueryContext {
          * @param qry must not be {@literal null}.
          */
         SpelExtractor(String qry) {
-
             Assert.notNull(qry, "Query must not be null");
 
             Map<String, String> exps = new HashMap<>();
@@ -221,11 +201,10 @@ public class SpelQueryContext {
             int matchedUntil = 0;
 
             while (matcher.find()) {
-
                 if (quotedAreas.isQuoted(matcher.start()))
                     resultQry.append(qry, matchedUntil, matcher.end());
-                else {
 
+                else {
                     String spelExpression = matcher.group(EXPRESSION_GROUP_INDEX);
                     String prefix = matcher.group(PREFIX_GROUP_INDEX);
 
@@ -303,18 +282,12 @@ public class SpelQueryContext {
      *
      * @author Jens Schauder
      * @author Oliver Gierke
-     * @since 2.1
      */
     static class QuotationMap {
-
-        /**
-         * Quoting characters.
-         */
+        /** */
         private static final Collection<Character> QUOTING_CHARACTERS = Arrays.asList('"', '\'');
 
-        /**
-         * Quoted ranges.
-         */
+        /** */
         private final List<Range<Integer>> quotedRanges = new ArrayList<>();
 
         /**
@@ -323,7 +296,6 @@ public class SpelQueryContext {
          * @param qry can be {@literal null}.
          */
         public QuotationMap(@Nullable String qry) {
-
             if (qry == null)
                 return;
 
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/ConditionFalse.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/ConditionFalse.java
index f77f220..1b4b378 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/ConditionFalse.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/ConditionFalse.java
@@ -25,9 +25,7 @@ import org.springframework.core.type.AnnotatedTypeMetadata;
  * Always false condition. Tells spring context never load bean with such Condition.
  */
 public class ConditionFalse implements Condition {
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
         return false;
     }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryFactory.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryFactory.java
index be83460..ac8d175 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryFactory.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryFactory.java
@@ -101,6 +101,7 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
         beanExpressionContext = new BeanExpressionContext(beanFactory, null);
     }
 
+    /** */
     private Ignite igniteForRepoConfig(RepositoryConfig config) {
         try {
             String igniteInstanceName = evaluateExpression(config.igniteInstance());
@@ -135,39 +136,27 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
         }
     }
 
-    /**
-     * {@inheritDoc} @param <T>  the type parameter
-     *
-     * @param <ID>        the type parameter
-     * @param domainClass the domain class
-     * @return the entity information
-     */
+    /** {@inheritDoc} */
     @Override public <T, ID> EntityInformation<T, ID> getEntityInformation(Class<T> domainClass) {
         return new AbstractEntityInformation<T, ID>(domainClass) {
+            /** {@inheritDoc} */
             @Override public ID getId(T entity) {
                 return null;
             }
 
+            /** {@inheritDoc} */
             @Override public Class<ID> getIdType() {
                 return null;
             }
         };
     }
 
-    /**
-     * {@inheritDoc} @param metadata the metadata
-     *
-     * @return the repository base class
-     */
+    /** {@inheritDoc} */
     @Override protected Class<?> getRepositoryBaseClass(RepositoryMetadata metadata) {
         return IgniteRepositoryImpl.class;
     }
 
-    /**
-     * {@inheritDoc} @param repoItf the repo itf
-     *
-     * @return the repository metadata
-     */
+    /** {@inheritDoc} */
     @Override protected synchronized RepositoryMetadata getRepositoryMetadata(Class<?> repoItf) {
         Assert.notNull(repoItf, "Repository interface must be set.");
         Assert.isAssignable(IgniteRepository.class, repoItf, "Repository must implement IgniteRepository interface.");
@@ -190,7 +179,7 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
     }
 
     /**
-     * evaluate the SpEL expression
+     * Evaluate the SpEL expression
      *
      * @param spelExpression SpEL expression
      * @return the result of execution of the SpEL expression
@@ -200,7 +189,7 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
         return (String)resolver.evaluate(spelExpression, beanExpressionContext);
     }
 
-    /* control underline cache creation to avoid cache creation by mistake */
+    /** Control underlying cache creation to avoid cache creation by mistake */
     private IgniteCache getRepositoryCache(Class<?> repoIf) {
         Ignite ignite = repoToIgnite.get(repoIf);
 
@@ -221,27 +210,18 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
         return c;
     }
 
-    /**
-     * {@inheritDoc} @param metadata the metadata
-     *
-     * @return the target repository
-     */
+    /** {@inheritDoc} */
     @Override protected Object getTargetRepository(RepositoryInformation metadata) {
         Ignite ignite = repoToIgnite.get(metadata.getRepositoryInterface());
+
         return getTargetRepositoryViaReflection(metadata, ignite,
             getRepositoryCache(metadata.getRepositoryInterface()));
     }
 
-    /**
-     * {@inheritDoc} @param key the key
-     *
-     * @param evaluationContextProvider the evaluation context provider
-     * @return the query lookup strategy
-     */
+    /** {@inheritDoc} */
     @Override protected Optional<QueryLookupStrategy> getQueryLookupStrategy(final QueryLookupStrategy.Key key,
         EvaluationContextProvider evaluationContextProvider) {
         return Optional.of((mtd, metadata, factory, namedQueries) -> {
-
             final Query annotation = mtd.getAnnotation(Query.class);
             final Ignite ignite = repoToIgnite.get(metadata.getRepositoryInterface());
 
@@ -249,11 +229,14 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
                 .dynamicQuery())) {
 
                 String qryStr = annotation.value();
+
                 boolean annotatedIgniteQuery = !annotation.dynamicQuery() && (StringUtils.hasText(qryStr) || annotation
                     .textQuery());
+
                 IgniteQuery query = annotatedIgniteQuery ? new IgniteQuery(qryStr,
                     !annotation.textQuery() && (isFieldQuery(qryStr) || annotation.forceFieldsQuery()),
                     annotation.textQuery(), false, IgniteQueryGenerator.getOptions(mtd)) : null;
+
                 if (key != QueryLookupStrategy.Key.CREATE) {
                     return new IgniteRepositoryQuery(ignite, metadata, query, mtd, factory,
                         getRepositoryCache(metadata.getRepositoryInterface()),
@@ -302,5 +285,4 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
             // insert
             qryUpperCase.matches("^\\s*INSERT\\b.*");
     }
-
 }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryFactoryBean.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryFactoryBean.java
index fa94574..5b3d612 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryFactoryBean.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryFactoryBean.java
@@ -45,9 +45,7 @@ import org.springframework.data.repository.core.support.RepositoryFactorySupport
  */
 public class IgniteRepositoryFactoryBean<T extends Repository<V, K>, V, K extends Serializable>
     extends RepositoryFactoryBeanSupport<T, V, K> implements ApplicationContextAware {
-    /**
-     * Application context.
-     */
+    /** */
     private ApplicationContext ctx;
 
     /**
@@ -57,16 +55,12 @@ public class IgniteRepositoryFactoryBean<T extends Repository<V, K>, V, K extend
         super(repoInterface);
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public void setApplicationContext(ApplicationContext ctx) throws BeansException {
         this.ctx = ctx;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected RepositoryFactorySupport createRepositoryFactory() {
         return new IgniteRepositoryFactory(ctx);
     }
diff --git a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryImpl.java b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryImpl.java
index 3c32f7b..44156a7 100644
--- a/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryImpl.java
+++ b/modules/spring-data-2.0/src/main/java/org/apache/ignite/springdata20/repository/support/IgniteRepositoryImpl.java
@@ -65,53 +65,31 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
         this.ignite = ignite;
     }
 
-    /**
-     * {@inheritDoc} @return the ignite cache
-     */
+    /** {@inheritDoc} */
     @Override public IgniteCache<K, V> cache() {
         return cache;
     }
 
-    /**
-     * {@inheritDoc} @return the ignite
-     */
+    /** {@inheritDoc} */
     @Override public Ignite ignite() {
         return ignite;
     }
 
-    /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param key    the key
-     * @param entity the entity
-     * @return the s
-     */
+    /** {@inheritDoc} */
     @Override public <S extends V> S save(K key, S entity) {
         cache.put(key, entity);
 
         return entity;
     }
 
-    /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param entities the entities
-     * @return the iterable
-     */
+    /** {@inheritDoc} */
     @Override public <S extends V> Iterable<S> save(Map<K, S> entities) {
         cache.putAll(entities);
 
         return entities.values();
     }
 
-    /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param key       the key
-     * @param entity    the entity
-     * @param expiryPlc the expiry policy
-     * @return the s
-     */
+    /** {@inheritDoc} */
     @Override public <S extends V> S save(K key, S entity, @Nullable ExpiryPolicy expiryPlc) {
         if (expiryPlc != null)
             cache.withExpiryPolicy(expiryPlc).put(key, entity);
@@ -120,13 +98,7 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
         return entity;
     }
 
-    /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param entities  the entities
-     * @param expiryPlc the expiry policy
-     * @return the iterable
-     */
+    /** {@inheritDoc} */
     @Override public <S extends V> Iterable<S> save(Map<K, S> entities, @Nullable ExpiryPolicy expiryPlc) {
         if (expiryPlc != null)
             cache.withExpiryPolicy(expiryPlc).putAll(entities);
@@ -136,60 +108,48 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
     }
 
     /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param entity the entity
-     * @return the s
+     * Not implemented.
      */
     @Override public <S extends V> S save(S entity) {
         throw new UnsupportedOperationException("Use IgniteRepository.save(key,value) method instead.");
     }
 
     /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param entities the entities
-     * @return the iterable
+     * Not implemented.
      */
     @Override public <S extends V> Iterable<S> saveAll(Iterable<S> entities) {
         throw new UnsupportedOperationException("Use IgniteRepository.save(Map<keys,value>) method instead.");
     }
 
-    /**
-     * {@inheritDoc} @param id the id
-     *
-     * @return the optional
-     */
+    /** {@inheritDoc} */
     @Override public Optional<V> findById(K id) {
         return Optional.ofNullable(cache.get(id));
     }
 
-    /**
-     * {@inheritDoc} @param id the id
-     *
-     * @return the boolean
-     */
+    /** {@inheritDoc} */
     @Override public boolean existsById(K id) {
         return cache.containsKey(id);
     }
 
-    /**
-     * {@inheritDoc} @return the iterable
-     */
+    /** {@inheritDoc} */
     @Override public Iterable<V> findAll() {
         final Iterator<Cache.Entry<K, V>> iter = cache.iterator();
 
         return new Iterable<V>() {
+            /** */
             @Override public Iterator<V> iterator() {
                 return new Iterator<V>() {
+                    /** {@inheritDoc} */
                     @Override public boolean hasNext() {
                         return iter.hasNext();
                     }
 
+                    /** {@inheritDoc} */
                     @Override public V next() {
                         return iter.next().getValue();
                     }
 
+                    /** {@inheritDoc} */
                     @Override public void remove() {
                         iter.remove();
                     }
@@ -198,11 +158,7 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
         };
     }
 
-    /**
-     * {@inheritDoc} @param ids the ids
-     *
-     * @return the iterable
-     */
+    /** {@inheritDoc} */
     @Override public Iterable<V> findAllById(Iterable<K> ids) {
         if (ids instanceof Set)
             return cache.getAll((Set<K>)ids).values();
@@ -218,37 +174,27 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
         return cache.getAll(keys).values();
     }
 
-    /**
-     * {@inheritDoc} @return the long
-     */
+    /** {@inheritDoc} */
     @Override public long count() {
         return cache.size(CachePeekMode.PRIMARY);
     }
 
-    /**
-     * {@inheritDoc} @param id the id
-     */
+    /** {@inheritDoc} */
     @Override public void deleteById(K id) {
         cache.remove(id);
     }
 
-    /**
-     * {@inheritDoc} @param entity the entity
-     */
+    /** {@inheritDoc} */
     @Override public void delete(V entity) {
         throw new UnsupportedOperationException("Use IgniteRepository.deleteById(key) method instead.");
     }
 
-    /**
-     * {@inheritDoc} @param entities the entities
-     */
+    /** {@inheritDoc} */
     @Override public void deleteAll(Iterable<? extends V> entities) {
         throw new UnsupportedOperationException("Use IgniteRepository.deleteAllById(keys) method instead.");
     }
 
-    /**
-     * {@inheritDoc} @param ids the ids
-     */
+    /** {@inheritDoc} */
     @Override public void deleteAllById(Iterable<K> ids) {
         if (ids instanceof Set) {
             cache.removeAll((Set<K>)ids);
@@ -268,11 +214,8 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
         cache.removeAll(keys);
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public void deleteAll() {
         cache.clear();
     }
-
 }
diff --git a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfExpressionTest.java b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfExpressionTest.java
index 47417ee..5841f41 100644
--- a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfExpressionTest.java
+++ b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfExpressionTest.java
@@ -31,30 +31,20 @@ import org.springframework.context.annotation.AnnotationConfigApplicationContext
  * Test with using repository which is configured by Spring EL
  */
 public class IgniteSpringDataCrudSelfExpressionTest extends GridCommonAbstractTest {
-    /**
-     * Number of entries to store
-     */
+    /** Number of entries to store */
     private static final int CACHE_SIZE = 1000;
 
-    /**
-     * Repository.
-     */
+    /** Repository. */
     private static PersonExpressionRepository repo;
 
-    /**
-     * Context.
-     */
+    /** Context. */
     private static AnnotationConfigApplicationContext ctx;
 
-    /**
-     *
-     */
+    /** */
     @Rule
     public final ExpectedException expected = ExpectedException.none();
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected void beforeTestsStarted() throws Exception {
         super.beforeTestsStarted();
 
@@ -65,9 +55,7 @@ public class IgniteSpringDataCrudSelfExpressionTest extends GridCommonAbstractTe
         repo = ctx.getBean(PersonExpressionRepository.class);
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected void beforeTest() throws Exception {
         super.beforeTest();
 
@@ -76,9 +64,7 @@ public class IgniteSpringDataCrudSelfExpressionTest extends GridCommonAbstractTe
         assertEquals(CACHE_SIZE, repo.count());
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected void afterTest() throws Exception {
         repo.deleteAll();
 
@@ -87,25 +73,21 @@ public class IgniteSpringDataCrudSelfExpressionTest extends GridCommonAbstractTe
         super.afterTest();
     }
 
-    /**
-     *
-     */
+    /** */
     private void fillInRepository() {
         for (int i = 0; i < CACHE_SIZE - 5; i++) {
             repo.save(i, new Person("person" + Integer.toHexString(i),
                 "lastName" + Integer.toHexString((i + 16) % 256)));
         }
 
-        repo.save((int)repo.count(), new Person("uniquePerson", "uniqueLastName"));
-        repo.save((int)repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
-        repo.save((int)repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
-        repo.save((int)repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
-        repo.save((int)repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
+        repo.save((int) repo.count(), new Person("uniquePerson", "uniqueLastName"));
+        repo.save((int) repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
+        repo.save((int) repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
+        repo.save((int) repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
+        repo.save((int) repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected void afterTestsStopped() {
         ctx.close();
     }
@@ -146,6 +128,7 @@ public class IgniteSpringDataCrudSelfExpressionTest extends GridCommonAbstractTe
             cacheNames.contains("PersonCache"));
     }
 
+    /** */
     @Test
     public void testCacheCountTWO() {
         Ignite ignite = ctx.getBean("igniteInstanceTWO", Ignite.class);
diff --git a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfTest.java b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfTest.java
index 5b52092..38785ef 100644
--- a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfTest.java
+++ b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfTest.java
@@ -33,7 +33,7 @@ import org.junit.Test;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 
 /**
- *
+ * CRUD tests.
  */
 public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     /** Repository. */
@@ -76,9 +76,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         super.afterTest();
     }
 
-    /**
-     *
-     */
+    /** */
     private void fillInRepository() {
         for (int i = 0; i < CACHE_SIZE - 5; i++) {
             repo.save(i, new Person("person" + Integer.toHexString(i),
@@ -97,9 +95,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         ctx.destroy();
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testPutGet() {
         Person person = new Person("some_name", "some_surname");
@@ -122,9 +118,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testPutAllGetAll() {
         LinkedHashMap<Integer, Person> map = new LinkedHashMap<>();
@@ -162,9 +156,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(map.size(), counter);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testGetAll() {
         assertEquals(CACHE_SIZE, repo.count());
@@ -181,9 +173,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(repo.count(), counter);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testDelete() {
         assertEquals(CACHE_SIZE, repo.count());
@@ -203,9 +193,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testDeleteSet() {
         assertEquals(CACHE_SIZE, repo.count());
@@ -234,9 +222,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testDeleteAll() {
         assertEquals(CACHE_SIZE, repo.count());
@@ -247,7 +233,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Delete existing record
+     * Delete existing record.
      */
     @Test
     public void testDeleteByFirstName() {
@@ -259,7 +245,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Delete NON existing record
+     * Delete NON existing record.
      */
     @Test
     public void testDeleteExpression() {
@@ -269,7 +255,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Delete Multiple records due to where
+     * Delete Multiple records due to where.
      */
     @Test
     public void testDeleteExpressionMultiple() {
@@ -280,7 +266,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Remove should do the same than Delete
+     * Remove should do the same than Delete.
      */
     @Test
     public void testRemoveExpression() {
@@ -291,7 +277,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Delete unique record using lower case key word
+     * Delete unique record using lower case key word.
      */
     @Test
     public void testDeleteQuery() {
@@ -302,7 +288,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Try to delete with a wrong @Query
+     * Try to delete with a wrong @Query.
      */
     @Test
     public void testWrongDeleteQuery() {
@@ -320,7 +306,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Update with a @Query a record
+     * Update with a @Query a record.
      */
     @Test
     public void testUpdateQueryMixedCase() {
@@ -347,6 +333,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(person.get(0).getFullName(), "uniquePerson updatedUniqueSecondName1");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseProjectionNamedParameter() {
         final String newSecondName = "updatedUniqueSecondName2";
@@ -358,6 +345,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(person.get(0).getFullName(), "uniquePerson updatedUniqueSecondName2");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseDynamicProjectionNamedParameter() {
         final String newSecondName = "updatedUniqueSecondName2";
@@ -372,6 +360,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(personFullName.get(0).getFullName(), "uniquePerson updatedUniqueSecondName2");
     }
 
+    /** */
     @Test
     public void testUpdateQueryOneMixedCaseDynamicProjectionNamedParameter() {
         final String newSecondName = "updatedUniqueSecondName2";
@@ -386,6 +375,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(personFullName.getFullName(), "uniquePerson updatedUniqueSecondName2");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseProjectionIndexedParameter() {
         final String newSecondName = "updatedUniqueSecondName3";
@@ -397,6 +387,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(person.get(0).getFullName(), "uniquePerson updatedUniqueSecondName3");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseProjectionIndexedParameterLuceneTextQuery() {
         final String newSecondName = "updatedUniqueSecondName4";
@@ -408,6 +399,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(person.get(0).getFullName(), "uniquePerson updatedUniqueSecondName4");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseProjectionNamedParameterAndTemplateDomainEntityVariable() {
         final String newSecondName = "updatedUniqueSecondName5";
@@ -419,6 +411,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(person.get(0).getFullName(), "uniquePerson updatedUniqueSecondName5");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseProjectionNamedParameterWithSpELExtension() {
         final String newSecondName = "updatedUniqueSecondName6";
@@ -438,6 +431,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     public void testWrongUpdateQuery() {
         final String newSecondName = "updatedUniqueSecondName";
         int rowsUpdated = 0;
+
         try {
             rowsUpdated = repo.setWrongFixedSecondName(newSecondName, "uniquePerson");
         }
diff --git a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataQueriesSelfTest.java b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataQueriesSelfTest.java
index 03b15a6..9c16f6d 100644
--- a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataQueriesSelfTest.java
+++ b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/IgniteSpringDataQueriesSelfTest.java
@@ -38,14 +38,10 @@ import org.springframework.data.domain.Sort;
  *
  */
 public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
-    /**
-     * Repository.
-     */
+    /** Repository. */
     private static PersonRepository repo;
 
-    /**
-     * Repository 2.
-     */
+    /** Repository 2. */
     private static PersonSecondRepository repo2;
 
     /**
@@ -53,9 +49,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
      */
     private static PersonRepositoryOtherIgniteInstance repoTWO;
 
-    /**
-     * Context.
-     */
+    /** Context. */
     private static AnnotationConfigApplicationContext ctx;
 
     /**
@@ -95,9 +89,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         ctx.destroy();
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testExplicitQuery() {
         List<Person> persons = repo.simpleQuery("person4a");
@@ -108,6 +100,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertEquals("person4a", person.getFirstName());
     }
 
+    /** */
     @Test
     public void testExplicitQueryTWO() {
         List<Person> persons = repoTWO.simpleQuery("TWOperson4a");
@@ -118,9 +111,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertEquals("TWOperson4a", person.getFirstName());
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testEqualsPart() {
         List<Person> persons = repo.findByFirstName("person4e");
@@ -131,6 +122,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertEquals("person4e", person.getFirstName());
     }
 
+    /** */
     @Test
     public void testEqualsPartTWO() {
         List<Person> persons = repoTWO.findByFirstName("TWOperson4e");
@@ -141,9 +133,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertEquals("TWOperson4e", person.getFirstName());
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testContainingPart() {
         List<Person> persons = repo.findByFirstNameContaining("person4");
@@ -154,6 +144,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertTrue(person.getFirstName().startsWith("person4"));
     }
 
+    /** */
     @Test
     public void testContainingPartTWO() {
         List<Person> persons = repoTWO.findByFirstNameContaining("TWOperson4");
@@ -164,9 +155,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertTrue(person.getFirstName().startsWith("TWOperson4"));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testTopPart() {
         Iterable<Person> top = repo.findTopByFirstNameContaining("person4");
@@ -180,6 +169,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(person.getFirstName().startsWith("person4"));
     }
 
+    /** */
     @Test
     public void testTopPartTWO() {
         Iterable<Person> top = repoTWO.findTopByFirstNameContaining("TWOperson4");
@@ -193,9 +183,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(person.getFirstName().startsWith("TWOperson4"));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testLikeAndLimit() {
         Iterable<Person> like = repo.findFirst10ByFirstNameLike("person");
@@ -211,6 +199,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(10, cnt);
     }
 
+    /** */
     @Test
     public void testLikeAndLimitTWO() {
         Iterable<Person> like = repoTWO.findFirst10ByFirstNameLike("TWOperson");
@@ -226,9 +215,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(10, cnt);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testCount() {
         int cnt = repo.countByFirstNameLike("person");
@@ -236,6 +223,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(1000, cnt);
     }
 
+    /** */
     @Test
     public void testCountTWO() {
         int cnt = repoTWO.countByFirstNameLike("TWOperson");
@@ -243,9 +231,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(1000, cnt);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testCount2() {
         int cnt = repo.countByFirstNameLike("person4");
@@ -253,6 +239,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(cnt < 1000);
     }
 
+    /** */
     @Test
     public void testCount2TWO() {
         int cnt = repoTWO.countByFirstNameLike("TWOperson4");
@@ -260,9 +247,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(cnt < 1000);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testPageable() {
         PageRequest pageable = new PageRequest(1, 5, Sort.Direction.DESC, "firstName");
@@ -292,9 +277,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(10, firstNames.size());
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testAndAndOr() {
         int cntAnd = repo.countByFirstNameLikeAndSecondNameLike("person1", "lastName1");
@@ -304,9 +287,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(cntAnd <= cntOr);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testQueryWithSort() {
         List<Person> persons = repo.queryWithSort("^[a-z]+$", new Sort(Sort.Direction.DESC, "secondName"));
@@ -322,9 +303,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testQueryWithPaging() {
         List<Person> persons = repo.queryWithPageable("^[a-z]+$", new PageRequest(1, 7, Sort.Direction.DESC, "secondName"));
@@ -342,9 +321,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testQueryFields() {
         List<String> persons = repo.selectField("^[a-z]+$", new PageRequest(1, 7, Sort.Direction.DESC, "secondName"));
@@ -352,9 +329,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(7, persons.size());
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testFindCacheEntries() {
         List<Cache.Entry<Integer, Person>> cacheEntries = repo.findBySecondNameLike("stName1");
@@ -365,9 +340,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertTrue(entry.getValue().getSecondName().contains("stName1"));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testFindOneCacheEntry() {
         Cache.Entry<Integer, Person> cacheEntry = repo.findTopBySecondNameLike("tName18");
@@ -377,9 +350,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(cacheEntry.getValue().getSecondName().contains("tName18"));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testFindOneValue() {
         PersonProjection person = repo.findTopBySecondNameStartingWith("lastName18");
@@ -389,9 +360,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(person.getFullName().split("\\s")[1].startsWith("lastName18"));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testSelectSeveralFields() {
         List<List> lists = repo.selectSeveralField("^[a-z]+$", new PageRequest(2, 6));
@@ -405,9 +374,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testCountQuery() {
         int cnt = repo.countQuery(".*");
@@ -415,9 +382,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(256, cnt);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testSliceOfCacheEntries() {
         Slice<Cache.Entry<Integer, Person>> slice = repo2.findBySecondNameIsNot("lastName18", new PageRequest(3, 4));
@@ -428,9 +393,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertFalse("lastName18".equals(entry.getValue().getSecondName()));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testSliceOfLists() {
         Slice<List> lists = repo2.querySliceOfList("^[a-z]+$", new PageRequest(0, 3));
diff --git a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/ApplicationConfiguration.java b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/ApplicationConfiguration.java
index 5ee327f..bce3340 100644
--- a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/ApplicationConfiguration.java
+++ b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/ApplicationConfiguration.java
@@ -29,15 +29,14 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.repository.query.spi.EvaluationContextExtension;
 
-/**
- *
- */
+/** */
 @Configuration
 @EnableIgniteRepositories
 public class ApplicationConfiguration {
-
+    /** */
     public static final String IGNITE_INSTANCE_ONE = "IGNITE_INSTANCE_ONE";
 
+    /** */
     public static final String IGNITE_INSTANCE_TWO = "IGNITE_INSTANCE_TWO";
 
     /**
@@ -52,11 +51,13 @@ public class ApplicationConfiguration {
         return bean;
     }
 
+    /** */
     @Bean
     public EvaluationContextExtension sampleSpELExtension() {
         return new SampleEvaluationContextExtension();
     }
 
+    /** */
     @Bean(value = "sampleExtensionBean")
     public SamplePassParamExtension sampleExtensionBean() {
         return new SamplePassParamExtension();
diff --git a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/FullNameProjection.java b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/FullNameProjection.java
index 9aca003..23f8f8e 100644
--- a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/FullNameProjection.java
+++ b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/FullNameProjection.java
@@ -24,7 +24,6 @@ import org.springframework.beans.factory.annotation.Value;
  * @author Manuel Núñez Sánchez (manuel.nunez@hawkore.com)
  */
 public interface FullNameProjection {
-
     /**
      * Sample of using SpEL expression
      * @return
diff --git a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/PersonProjection.java b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/PersonProjection.java
index c4cab06..a187a08 100644
--- a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/PersonProjection.java
+++ b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/PersonProjection.java
@@ -24,7 +24,7 @@ import org.springframework.beans.factory.annotation.Value;
  * @author Manuel Núñez Sánchez (manuel.nunez@hawkore.com)
  */
 public interface PersonProjection {
-
+    /** */
     String getFirstName();
 
     /**
diff --git a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/PersonRepository.java b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/PersonRepository.java
index 7cb437d..917d16a 100644
--- a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/PersonRepository.java
+++ b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/PersonRepository.java
@@ -27,7 +27,7 @@ import org.apache.ignite.springdata20.repository.IgniteRepository;
 import org.springframework.data.repository.query.Param;
 
 /**
- *
+ * Test repository.
  */
 @RepositoryConfig(cacheName = "PersonCache")
 public interface PersonRepository extends IgniteRepository<Person, Integer> {
diff --git a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/SampleEvaluationContextExtension.java b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/SampleEvaluationContextExtension.java
index 0e6356a..0fa535d 100644
--- a/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/SampleEvaluationContextExtension.java
+++ b/modules/spring-data-2.0/src/test/java/org/apache/ignite/springdata/misc/SampleEvaluationContextExtension.java
@@ -59,32 +59,34 @@ import org.springframework.data.repository.query.spi.EvaluationContextExtensionS
  * @author Manuel Núñez Sánchez (manuel.nunez@hawkore.com)
  */
 public class SampleEvaluationContextExtension extends EvaluationContextExtensionSupport {
-
+    /** */
     private static final SamplePassParamExtension SAMPLE_PASS_PARAM_EXTENSION_INSTANCE = new SamplePassParamExtension();
 
+    /** */
     private static final Map<String, Object> properties = new HashMap<>();
 
+    /** */
     private static final String SAMPLE_EXTENSION_SPEL_VAR = "sampleExtension";
 
     static {
         properties.put(SAMPLE_EXTENSION_SPEL_VAR, SAMPLE_PASS_PARAM_EXTENSION_INSTANCE);
     }
 
+    /** */
     @Override public String getExtensionId() {
         return "HK-SAMPLE-PASS-PARAM-EXTENSION";
     }
 
+    /** */
     @Override public Map<String, Object> getProperties() {
         return properties;
     }
 
+    /** */
     public static class SamplePassParamExtension {
-
         // just return same param
         public Object transformParam(Object param) {
             return param;
         }
-
     }
-
 }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/IgniteRepository.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/IgniteRepository.java
index b81992e..3cc3172 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/IgniteRepository.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/IgniteRepository.java
@@ -66,7 +66,7 @@ public interface IgniteRepository<V, K extends Serializable> extends CrudReposit
      * It's suggested to use this method instead of default {@link CrudRepository#save(Object)} that generates IDs
      * (keys) that are not unique cluster wide.
      *
-     * @param <S>      type of entities.
+     * @param <S>      Type of entities.
      * @param entities Map of key-entities pairs to save.
      * @return Saved entities.
      */
@@ -92,7 +92,7 @@ public interface IgniteRepository<V, K extends Serializable> extends CrudReposit
      * It's suggested to use this method instead of default {@link CrudRepository#save(Object)} that generates IDs
      * (keys) that are not unique cluster wide.
      *
-     * @param <S>       type of entities.
+     * @param <S>       Type of entities.
      * @param entities  Map of key-entities pairs to save.
      * @param expiryPlc ExpiryPolicy to apply, if not null.
      * @return Saved entities.
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/DynamicQueryConfig.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/DynamicQueryConfig.java
index eed1b4d..f915267 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/DynamicQueryConfig.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/DynamicQueryConfig.java
@@ -31,64 +31,37 @@ package org.apache.ignite.springdata22.repository.config;
  * @author Manuel Núñez Sánchez (manuel.nunez@hawkore.com)
  */
 public class DynamicQueryConfig {
-    /**
-     * Value.
-     */
+    /** */
     private String value = "";
 
-    /**
-     * Text query.
-     */
+    /** */
     private boolean textQuery;
 
-    /**
-     * Force fields query.
-     */
+    /** */
     private boolean forceFieldsQry;
 
-    /**
-     * Collocated.
-     */
+    /** */
     private boolean collocated;
 
-    /**
-     * Timeout.
-     */
+    /** */
     private int timeout;
 
-    /**
-     * Enforce join order.
-     */
+    /** */
     private boolean enforceJoinOrder;
 
-    /**
-     * Distributed joins.
-     */
+    /** */
     private boolean distributedJoins;
 
-    /**
-     * Replicated only.
-     */
-    private boolean replicatedOnly;
-
-    /**
-     * Lazy.
-     */
+    /** */
     private boolean lazy;
 
-    /**
-     * Local.
-     */
+    /** */
     private boolean local;
 
-    /**
-     * Parts.
-     */
+    /** */
     private int[] parts;
 
-    /**
-     * Limit.
-     */
+    /** */
     private int limit;
 
     /**
@@ -105,7 +78,6 @@ public class DynamicQueryConfig {
             config.timeout = queryConfiguration.timeout();
             config.enforceJoinOrder = queryConfiguration.enforceJoinOrder();
             config.distributedJoins = queryConfiguration.distributedJoins();
-            config.replicatedOnly = queryConfiguration.replicatedOnly();
             config.lazy = queryConfiguration.lazy();
             config.parts = queryConfiguration.parts();
             config.local = queryConfiguration.local();
@@ -201,19 +173,6 @@ public class DynamicQueryConfig {
     }
 
     /**
-     * Specify if the query contains only replicated tables. This is a hint for potentially more effective execution.
-     * <p>
-     * Only applicable to SqlFieldsQuery and SqlQuery
-     *
-     * @return the boolean
-     * @deprecated No longer used as of Apache Ignite 2.8.
-     */
-    @Deprecated
-    public boolean replicatedOnly() {
-        return replicatedOnly;
-    }
-
-    /**
      * Sets lazy query execution flag.
      * <p>
      * By default Ignite attempts to fetch the whole query result set to memory and send it to the client. For small and
@@ -344,17 +303,6 @@ public class DynamicQueryConfig {
     }
 
     /**
-     * Sets replicated only.
-     *
-     * @param replicatedOnly the replicated only
-     * @return this for chaining
-     */
-    public DynamicQueryConfig setReplicatedOnly(boolean replicatedOnly) {
-        this.replicatedOnly = replicatedOnly;
-        return this;
-    }
-
-    /**
      * Sets lazy.
      *
      * @param lazy the lazy
@@ -397,5 +345,4 @@ public class DynamicQueryConfig {
         this.limit = limit;
         return this;
     }
-
 }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/IgniteRepositoriesRegistar.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/IgniteRepositoriesRegistar.java
index 416ec0b..ddecd77 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/IgniteRepositoriesRegistar.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/IgniteRepositoriesRegistar.java
@@ -25,16 +25,12 @@ import org.springframework.data.repository.config.RepositoryConfigurationExtensi
  * Apache Ignite specific implementation of {@link RepositoryBeanDefinitionRegistrarSupport}.
  */
 public class IgniteRepositoriesRegistar extends RepositoryBeanDefinitionRegistrarSupport {
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected Class<? extends Annotation> getAnnotation() {
         return EnableIgniteRepositories.class;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected RepositoryConfigurationExtension getExtension() {
         return new IgniteRepositoryConfigurationExtension();
     }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/IgniteRepositoryConfigurationExtension.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/IgniteRepositoryConfigurationExtension.java
index b78811b..4989196 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/IgniteRepositoryConfigurationExtension.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/IgniteRepositoryConfigurationExtension.java
@@ -27,30 +27,22 @@ import org.springframework.data.repository.config.RepositoryConfigurationExtensi
  * Apache Ignite specific implementation of {@link RepositoryConfigurationExtension}.
  */
 public class IgniteRepositoryConfigurationExtension extends RepositoryConfigurationExtensionSupport {
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public String getModuleName() {
         return "Apache Ignite";
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected String getModulePrefix() {
         return "ignite";
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public String getRepositoryFactoryBeanClassName() {
         return IgniteRepositoryFactoryBean.class.getName();
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected Collection<Class<?>> getIdentifyingTypes() {
         return Collections.singleton(IgniteRepository.class);
     }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/Query.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/Query.java
index a3b3a51..d1af467 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/Query.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/config/Query.java
@@ -89,16 +89,6 @@ public @interface Query {
     boolean distributedJoins() default false;
 
     /**
-     * Specify if the query contains only replicated tables. This is a hint for potentially more effective execution.
-     * <p>
-     * Only applicable to SqlFieldsQuery and SqlQuery
-     *
-     * @deprecated No longer used as of Apache Ignite 2.8.
-     */
-    @Deprecated
-    boolean replicatedOnly() default false;
-
-    /**
      * Sets lazy query execution flag.
      * <p>
      * By default Ignite attempts to fetch the whole query result set to memory and send it to the client. For small and
@@ -143,5 +133,4 @@ public @interface Query {
      * Sets limit to response records count for TextQuery. If 0 or less, considered to be no limit.
      */
     int limit() default 0;
-
 }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/DeclaredQuery.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/DeclaredQuery.java
index e6ad7ba..e968034 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/DeclaredQuery.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/DeclaredQuery.java
@@ -23,7 +23,6 @@ import org.springframework.util.StringUtils;
  * A wrapper for a String representation of a query offering information about the query.
  *
  * @author Jens Schauder
- * @since 2.0.3
  */
 interface DeclaredQuery {
     /**
@@ -56,8 +55,6 @@ interface DeclaredQuery {
 
     /**
      * Returns whether the query is using a constructor expression.
-     *
-     * @since 1.10
      */
     public boolean hasConstructorExpression();
 
@@ -84,7 +81,6 @@ interface DeclaredQuery {
 
     /**
      * @return whether paging is implemented in the query itself, e.g. using SpEL expressions.
-     * @since 2.0.6
      */
     public default boolean usesPaging() {
         return false;
@@ -95,7 +91,6 @@ interface DeclaredQuery {
      * name.
      *
      * @return Whether the query uses JDBC style parameters.
-     * @since 2.0.6
      */
     public boolean usesJdbcStyleParameters();
 }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/EmptyDeclaredQuery.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/EmptyDeclaredQuery.java
index dcf06b4..47691b6 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/EmptyDeclaredQuery.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/EmptyDeclaredQuery.java
@@ -24,7 +24,6 @@ import org.springframework.util.Assert;
  * NULL-Object pattern implementation for {@link DeclaredQuery}.
  *
  * @author Jens Schauder
- * @since 2.0.3
  */
 class EmptyDeclaredQuery implements DeclaredQuery {
     /**
@@ -32,59 +31,43 @@ class EmptyDeclaredQuery implements DeclaredQuery {
      */
     static final DeclaredQuery EMPTY_QUERY = new EmptyDeclaredQuery();
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public boolean hasNamedParameter() {
         return false;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public String getQueryString() {
         return "";
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public String getAlias() {
         return null;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public boolean hasConstructorExpression() {
         return false;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public boolean isDefaultProjection() {
         return false;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public List<StringQuery.ParameterBinding> getParameterBindings() {
         return Collections.emptyList();
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public DeclaredQuery deriveCountQuery(@Nullable String cntQry, @Nullable String cntQryProjection) {
         Assert.hasText(cntQry, "CountQuery must not be empty!");
         return DeclaredQuery.of(cntQry);
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public boolean usesJdbcStyleParameters() {
         return false;
     }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/ExpressionBasedStringQuery.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/ExpressionBasedStringQuery.java
index 4e6007a..bdbd81d 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/ExpressionBasedStringQuery.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/ExpressionBasedStringQuery.java
@@ -150,5 +150,4 @@ class ExpressionBasedStringQuery extends StringQuery {
     private static boolean containsExpression(String qry) {
         return qry.contains(ENTITY_NAME_VARIABLE_EXPRESSION);
     }
-
 }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteQuery.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteQuery.java
index 5b552af..49c947d 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteQuery.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteQuery.java
@@ -17,7 +17,7 @@
 
 package org.apache.ignite.springdata22.repository.query;
 
-import java.util.StringJoiner;
+import org.apache.ignite.internal.util.typedef.internal.S;
 
 /**
  * Ignite query helper class. For internal use only.
@@ -26,24 +26,15 @@ import java.util.StringJoiner;
  * @author Manuel Núñez (manuel.nunez@hawkore.com)
  */
 public class IgniteQuery {
-
-    /**
-     *
-     */
+    /** */
     enum Option {
-        /**
-         * Query will be used with Sort object.
-         */
+        /** Query will be used with Sort object. */
         SORTING,
 
-        /**
-         * Query will be used with Pageable object.
-         */
+        /** Query will be used with Pageable object. */
         PAGINATION,
 
-        /**
-         * No advanced option.
-         */
+        /** No advanced option. */
         NONE
     }
 
@@ -136,10 +127,8 @@ public class IgniteQuery {
         return option;
     }
 
+    /** */
     @Override public String toString() {
-        return new StringJoiner(", ", IgniteQuery.class.getSimpleName() + "[", "]").add("qrySql='" + qrySql + "'")
-            .add("isFieldQuery=" + isFieldQuery).add("isTextQuery=" + isTextQuery)
-            .add("isAutogenerated=" + isAutogenerated).add("option=" + option).toString();
+        return S.toString(IgniteQuery.class, this);
     }
-
 }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteQueryGenerator.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteQueryGenerator.java
index 9772e45..48b070d 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteQueryGenerator.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteQueryGenerator.java
@@ -29,8 +29,9 @@ import org.springframework.data.repository.query.parser.PartTree;
  * Ignite query generator for Spring Data framework.
  */
 public class IgniteQueryGenerator {
-
+    /** */
     private IgniteQueryGenerator() {
+        // No-op.
     }
 
     /**
@@ -38,7 +39,6 @@ public class IgniteQueryGenerator {
      * @param metadata Metadata.
      * @return Generated ignite query.
      */
-    @NotNull
     public static IgniteQuery generateSql(Method mtd, RepositoryMetadata metadata) {
         PartTree parts = new PartTree(mtd.getName(), metadata.getDomainType());
 
@@ -253,5 +253,4 @@ public class IgniteQueryGenerator {
 
         sql.append(")");
     }
-
 }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteRepositoryQuery.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteRepositoryQuery.java
index c51c984..8ddbe51 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteRepositoryQuery.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/IgniteRepositoryQuery.java
@@ -33,7 +33,6 @@ import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 import java.util.function.Function;
 import java.util.stream.Stream;
-
 import javax.cache.Cache;
 import org.apache.commons.lang.ArrayUtils;
 import org.apache.ignite.Ignite;
@@ -156,166 +155,105 @@ import static org.apache.ignite.springdata22.repository.support.IgniteRepository
  * </pre>
  * </li>
  * </ol>
- * <p>
- * Visit <a href="https://docs.hawkore.com/private/apache-ignite-advanced-indexing">Apache Ignite advanced Indexing
- * Documentation site</a> for more info about Advanced Lucene Index and Lucene Query Builder.
  *
  * @author Apache Ignite Team
  * @author Manuel Núñez (manuel.nunez@hawkore.com)
  */
 @SuppressWarnings("unchecked")
 public class IgniteRepositoryQuery implements RepositoryQuery {
-
+    /** */
     private static final TreeMap<String, Class<?>> binaryFieldClass = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
 
     /**
      * Defines the way how to process query result
      */
     private enum ReturnStrategy {
-        /**
-         * Need to return only one value.
-         */
+        /** Need to return only one value. */
         ONE_VALUE,
 
-        /**
-         * Need to return one cache entry
-         */
+        /** Need to return one cache entry */
         CACHE_ENTRY,
 
-        /**
-         * Need to return list of cache entries
-         */
+        /** Need to return list of cache entries */
         LIST_OF_CACHE_ENTRIES,
 
-        /**
-         * Need to return list of values
-         */
+        /** Need to return list of values */
         LIST_OF_VALUES,
 
-        /**
-         * Need to return list of lists
-         */
+        /** Need to return list of lists */
         LIST_OF_LISTS,
 
-        /**
-         * Need to return slice
-         */
+        /** Need to return slice */
         SLICE_OF_VALUES,
 
-        /**
-         * Slice of cache entries.
-         */
+        /** Slice of cache entries */
         SLICE_OF_CACHE_ENTRIES,
 
-        /**
-         * Slice of lists.
-         */
+        /** Slice of lists */
         SLICE_OF_LISTS,
 
-        /**
-         * Need to return Page of values
-         */
+        /** Need to return Page of values */
         PAGE_OF_VALUES,
 
-        /**
-         * Need to return stream of values
-         */
+        /** Need to return stream of values */
         STREAM_OF_VALUES,
     }
 
-    /**
-     * Type.
-     */
+    /** */
     private final Class<?> type;
 
-    /**
-     * Sql.
-     */
+    /** */
     private final IgniteQuery staticQuery;
 
-    /**
-     * Cache.
-     */
+    /** */
     private final IgniteCache cache;
 
-    /**
-     * Ignite instance
-     */
+    /** */
     private final Ignite ignite;
 
-    /**
-     * required by qryStr field query type for binary manipulation
-     */
+    /** Required by qryStr field query type for binary manipulation */
     private IgniteBinaryImpl igniteBinary;
 
-    /**
-     * Ignite bin type.
-     */
+    /** */
     private BinaryType igniteBinType;
 
-    /**
-     * Method.
-     */
+    /** */
     private final Method mtd;
 
-    /**
-     * Metadata.
-     */
+    /** */
     private final RepositoryMetadata metadata;
 
-    /**
-     * Factory.
-     */
+    /** */
     private final ProjectionFactory factory;
 
-    /**
-     * Return strategy.
-     */
+    /** */
     private final ReturnStrategy staticReturnStgy;
 
-    /**
-     * Detect if returned data from method is projected
-     */
+    /** Detect if returned data from method is projected */
     private final boolean hasProjection;
 
-    /**
-     * Whether projection is dynamic (provided as method parameter)
-     */
+    /** Whether projection is dynamic (provided as method parameter) */
     private final boolean hasDynamicProjection;
 
-    /**
-     * Dynamic projection parameter index.
-     */
+    /** Dynamic projection parameter index */
     private final int dynamicProjectionIndex;
 
-    /**
-     * Dynamic query configuration.
-     */
+    /** Dynamic query configuration */
     private final int dynamicQueryConfigurationIndex;
 
-    /**
-     * the return query method
-     */
+    /** The return query method */
     private final QueryMethod qMethod;
 
-    /**
-     * the return domain class of QueryMethod
-     */
+    /** The return domain class of QueryMethod */
     private final Class<?> returnedDomainClass;
 
-    /**
-     * Expression parser.
-     */
+    /** */
     private final SpelExpressionParser expressionParser;
 
-    /**
-     * could provide ExtensionAwareQueryMethodEvaluationContextProvider
-     */
+    /** Could provide ExtensionAwareQueryMethodEvaluationContextProvider */
     private final QueryMethodEvaluationContextProvider queryMethodEvaluationContextProvider;
 
-    /**
-     * Static query configuration.
-     */
+    /** Static query configuration. */
     private final DynamicQueryConfig staticQueryConfiguration;
 
     /**
@@ -386,7 +324,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
      * @return the object
      */
     @Override public Object execute(Object[] values) {
-
         Object[] parameters = values;
 
         // config via Query annotation (dynamicQuery = false)
@@ -420,9 +357,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         return transformQueryCursor(qry, returnStgy, parameters, qryCursor);
     }
 
-    /**
-     * {@inheritDoc} @return the query method
-     */
+    /** {@inheritDoc} */
     @Override public QueryMethod getQueryMethod() {
         return new QueryMethod(mtd, metadata, factory);
     }
@@ -434,28 +369,35 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         int index = -1;
         while (it.hasNext()) {
             T parameter = it.next();
+
             if (DynamicQueryConfig.class.isAssignableFrom(parameter.getType())) {
                 if (found) {
                     throw new IllegalStateException("Invalid '" + method.getName() + "' repository method signature. "
                         + "Only ONE DynamicQueryConfig parameter is allowed");
                 }
+
                 found = true;
                 index = i;
             }
+
             i++;
         }
         return index;
     }
 
+    /** */
     private synchronized IgniteBinaryImpl binary() {
         if (igniteBinary == null)
             igniteBinary = (IgniteBinaryImpl)ignite.binary();
+
         return igniteBinary;
     }
 
+    /** */
     private synchronized BinaryType binType() {
         if (igniteBinType == null)
             igniteBinType = binary().type(type);
+
         return igniteBinType;
     }
 
@@ -501,7 +443,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
      * @return if {@code mtd} return type is assignable from {@code cls}
      */
     private boolean hasAssignableGenericReturnTypeFrom(Class<?> cls, Method mtd) {
-
         Type genericReturnType = mtd.getGenericReturnType();
 
         if (!(genericReturnType instanceof ParameterizedType))
@@ -530,7 +471,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
     }
 
     /**
-     * when select fields by query H2 returns Timestamp for types java.util.Date and java.qryStr.Timestamp
+     * When select fields by query H2 returns Timestamp for types java.util.Date and java.qryStr.Timestamp
      *
      * @see org.apache.ignite.internal.processors.query.h2.H2DatabaseType map.put(Timestamp.class, TIMESTAMP)
      * map.put(java.util.Date.class, TIMESTAMP) map.put(java.qryStr.Date.class, DATE)
@@ -538,6 +479,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
     private static <T> T fixExpectedType(final Object object, final Class<T> expected) {
         if (expected != null && object instanceof java.sql.Timestamp && expected.equals(java.util.Date.class))
             return (T)new java.util.Date(((java.sql.Timestamp)object).getTime());
+
         return (T)object;
     }
 
@@ -547,11 +489,13 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
     private IgniteQuery getQuery(@Nullable DynamicQueryConfig cfg) {
         if (staticQuery != null)
             return staticQuery;
+
         if (cfg != null && (StringUtils.hasText(cfg.value()) || cfg.textQuery())) {
             return new IgniteQuery(cfg.value(),
                 !cfg.textQuery() && (isFieldQuery(cfg.value()) || cfg.forceFieldsQuery()), cfg.textQuery(),
                 false, IgniteQueryGenerator.getOptions(mtd));
         }
+
         throw new IllegalStateException("Unable to obtain a valid query. When passing dynamicQuery = true via org"
             + ".apache.ignite.springdata.repository.config.Query annotation, you must"
             + " provide a non null method parameter of type DynamicQueryConfig with a "
@@ -564,8 +508,10 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
     private ReturnStrategy getReturnStgy(IgniteQuery qry) {
         if (staticReturnStgy != null)
             return staticReturnStgy;
+
         if (qry != null)
             return calcReturnType(mtd, qry.isFieldQuery());
+
         throw new IllegalStateException("Unable to obtain a valid return strategy. When passing dynamicQuery = true "
             + "via org.apache.ignite.springdata.repository.config.Query annotation, "
             + "you must provide a non null method parameter of type "
@@ -601,7 +547,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         ReturnStrategy returnStgy,
         Object[] prmtrs,
         QueryCursor qryCursor) {
-
         final Class<?> returnClass;
 
         if (hasProjection) {
@@ -727,7 +672,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
     private Object[] extractBindableValues(Object[] values,
         Parameters<?, ?> queryMethodParams,
         List<ParameterBinding> queryBindings) {
-
         // no binding params then exit
         if (queryBindings.isEmpty())
             return values;
@@ -786,7 +730,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
      */
     @NotNull
     private Query prepareQuery(IgniteQuery qry, DynamicQueryConfig config, ReturnStrategy returnStgy, Object[] values) {
-
         Object[] parameters = values;
 
         String queryString = qry.qryStr();
@@ -796,7 +739,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         checkRequiredPageable(returnStgy, values);
 
         if (!qry.isTextQuery()) {
-
             if (!qry.isAutogenerated()) {
                 StringQuery squery = new ExpressionBasedStringQuery(queryString, metadata, expressionParser);
                 queryString = squery.getQueryString();
@@ -840,7 +782,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
                 if (config.parts() != null && config.parts().length > 0)
                     sqlFieldsQry.setPartitions(config.parts());
 
-                sqlFieldsQry.setReplicatedOnly(config.replicatedOnly());
                 sqlFieldsQry.setTimeout(config.timeout(), TimeUnit.MILLISECONDS);
 
                 query = sqlFieldsQry;
@@ -851,16 +792,16 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
 
                 sqlQry.setDistributedJoins(config.distributedJoins());
                 sqlQry.setLocal(config.local());
+
                 if (config.parts() != null && config.parts().length > 0)
                     sqlQry.setPartitions(config.parts());
-                sqlQry.setReplicatedOnly(config.replicatedOnly());
+
                 sqlQry.setTimeout(config.timeout(), TimeUnit.MILLISECONDS);
 
                 query = sqlQry;
             }
         }
         else {
-
             int pageSize = -1;
 
             switch (qry.options()) {
@@ -899,6 +840,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         return query;
     }
 
+    /** */
     private static Map<String, Object> rowToMap(final List<?> row, final List<GridQueryFieldMetadata> meta) {
         // use treemap with case insensitive property name
         final TreeMap<String, Object> map = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
@@ -912,7 +854,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         return map;
     }
 
-    /*
+    /**
      * convert row ( with list of field values) into domain entity
      */
     private <V> V rowToEntity(final IgniteBinaryImpl binary,
@@ -953,7 +895,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
         final BinaryType binType,
         final GridQueryFieldMetadata fieldMeta) {
         try {
-
             final String fieldId = fieldMeta.schemaName() + "." + fieldMeta.typeName() + "." + fieldMeta.fieldName();
 
             if (binaryFieldClass.containsKey(fieldId))
@@ -1038,7 +979,6 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
      * @param <V> transformed output type
      */
     public static class QueryCursorWrapper<T, V> extends AbstractCollection<V> implements QueryCursor<V> {
-
         /**
          * Delegate query cursor.
          */
@@ -1060,14 +1000,12 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
             this.transformer = transformer;
         }
 
-        /**
-         * {@inheritDoc} @return the iterator
-         */
+        /** {@inheritDoc} */
         @Override public Iterator<V> iterator() {
-
             final Iterator<T> it = delegate.iterator();
 
             return new Iterator<V>() {
+                /** */
                 @Override public boolean hasNext() {
                     if (!it.hasNext()) {
                         U.closeQuiet(delegate);
@@ -1076,6 +1014,7 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
                     return true;
                 }
 
+                /** */
                 @Override public V next() {
                     final V r = transformer.apply(it.next());
                     if (r != null)
@@ -1085,16 +1024,12 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
             };
         }
 
-        /**
-         * {@inheritDoc}
-         */
+        /** {@inheritDoc} */
         @Override public void close() {
             U.closeQuiet(delegate);
         }
 
-        /**
-         * {@inheritDoc} @return the all
-         */
+        /** {@inheritDoc} */
         @Override public List<V> getAll() {
             final List<V> data = new ArrayList<>();
             delegate.forEach(i -> data.add(transformer.apply(i)));
@@ -1102,13 +1037,9 @@ public class IgniteRepositoryQuery implements RepositoryQuery {
             return data;
         }
 
-        /**
-         * {@inheritDoc} @return the int
-         */
+        /** {@inheritDoc} */
         @Override public int size() {
             return 0;
         }
-
     }
-
 }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/QueryUtils.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/QueryUtils.java
index 3c46aae..f3bae41 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/QueryUtils.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/QueryUtils.java
@@ -118,7 +118,6 @@ public abstract class QueryUtils {
     private static final Pattern FUNCTION_PATTERN;
 
     static {
-
         StringBuilder builder = new StringBuilder();
         builder.append("(?<=from)"); // from as starting delimiter
         builder.append("(?:\\s)+"); // at least one space separating
@@ -165,7 +164,7 @@ public abstract class QueryUtils {
      * Private constructor to prevent instantiation.
      */
     private QueryUtils() {
-
+        // No-op.
     }
 
     /**
@@ -179,7 +178,6 @@ public abstract class QueryUtils {
     public static String getExistsQueryString(String entityName,
         String cntQryPlaceHolder,
         Iterable<String> idAttrs) {
-
         String whereClause = Streamable.of(idAttrs).stream() //
             .map(idAttribute -> String.format(EQUALS_CONDITION_STRING, "x", idAttribute,
                 idAttribute)) //
@@ -194,10 +192,9 @@ public abstract class QueryUtils {
      * @param template   must not be {@literal null}.
      * @param entityName must not be {@literal null}.
      * @return the template with placeholders replaced by the {@literal entityName}. Guaranteed to be not {@literal
-     * null}.
+     *     null}.
      */
     public static String getQueryString(String template, String entityName) {
-
         Assert.hasText(entityName, "Entity name must not be null or empty!");
 
         return String.format(template, entityName);
@@ -210,12 +207,10 @@ public abstract class QueryUtils {
      * @return a {@literal Set} of aliases used in the query. Guaranteed to be not {@literal null}.
      */
     static Set<String> getOuterJoinAliases(String qry) {
-
         Set<String> result = new HashSet<>();
         Matcher matcher = JOIN_PATTERN.matcher(qry);
 
         while (matcher.find()) {
-
             String alias = matcher.group(QUERY_JOIN_ALIAS_GROUP_INDEX);
             if (StringUtils.hasText(alias))
                 result.add(alias);
@@ -231,12 +226,10 @@ public abstract class QueryUtils {
      * @return a {@literal Set} containing all found aliases. Guaranteed to be not {@literal null}.
      */
     static Set<String> getFunctionAliases(String qry) {
-
         Set<String> result = new HashSet<>();
         Matcher matcher = FUNCTION_PATTERN.matcher(qry);
 
         while (matcher.find()) {
-
             String alias = matcher.group(1);
 
             if (StringUtils.hasText(alias))
@@ -251,12 +244,9 @@ public abstract class QueryUtils {
      *
      * @param qry must not be {@literal null}.
      * @return Might return {@literal null}.
-     * @deprecated use {@link DeclaredQuery#getAlias()} instead.
      */
     @Nullable
-    @Deprecated
-    public static String detectAlias(String qry) {
-
+    static String detectAlias(String qry) {
         Matcher matcher = ALIAS_MATCH.matcher(qry);
 
         return matcher.find() ? matcher.group(2) : null;
@@ -265,34 +255,17 @@ public abstract class QueryUtils {
     /**
      * Creates a count projected query from the given original query.
      *
-     * @param originalQry must not be {@literal null} or empty.
-     * @return Guaranteed to be not {@literal null}.
-     * @deprecated use {@link DeclaredQuery#deriveCountQuery(String, String)} instead.
-     */
-    @Deprecated
-    public static String createCountQueryFor(String originalQry) {
-        return createCountQueryFor(originalQry, null);
-    }
-
-    /**
-     * Creates a count projected query from the given original query.
-     *
      * @param originalQry   must not be {@literal null}.
      * @param cntProjection may be {@literal null}.
      * @return a query String to be used a count query for pagination. Guaranteed to be not {@literal null}.
-     * @since 1.6
-     * @deprecated use {@link DeclaredQuery#deriveCountQuery(String, String)} instead.
      */
-    @Deprecated
-    public static String createCountQueryFor(String originalQry, @Nullable String cntProjection) {
-
+    static String createCountQueryFor(String originalQry, @Nullable String cntProjection) {
         Assert.hasText(originalQry, "OriginalQuery must not be null or empty!");
 
         Matcher matcher = COUNT_MATCH.matcher(originalQry);
         String countQuery;
 
         if (cntProjection == null) {
-
             String variable = matcher.matches() ? matcher.group(VARIABLE_NAME_GROUP_INDEX) : null;
             boolean useVariable = variable != null && StringUtils.hasText(variable) && !variable.startsWith("new")
                 && !variable.startsWith("count(") && !variable.contains(",");
@@ -307,25 +280,12 @@ public abstract class QueryUtils {
     }
 
     /**
-     * Returns whether the given query contains named parameters.
-     *
-     * @param qry can be {@literal null} or empty.
-     * @return whether the given query contains named parameters.
-     */
-    @Deprecated
-    static boolean hasNamedParameter(@Nullable String qry) {
-        return StringUtils.hasText(qry) && NAMED_PARAMETER.matcher(qry).find();
-    }
-
-    /**
      * Returns whether the given JPQL query contains a constructor expression.
      *
      * @param qry must not be {@literal null} or empty.
      * @return boolean
-     * @since 1.10
      */
     public static boolean hasConstructorExpression(String qry) {
-
         Assert.hasText(qry, "Query must not be null or empty!");
 
         return CONSTRUCTOR_EXPRESSION.matcher(qry).find();
@@ -336,15 +296,12 @@ public abstract class QueryUtils {
      *
      * @param qry must not be {@literal null} or empty.
      * @return projection
-     * @since 1.10.2
      */
     public static String getProjection(String qry) {
-
         Assert.hasText(qry, "Query must not be null or empty!");
 
         Matcher matcher = PROJECTION_CLAUSE.matcher(qry);
         String projection = matcher.find() ? matcher.group(1) : "";
         return projection.trim();
     }
-
 }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/StringQuery.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/StringQuery.java
index bad39b2..1c2366e 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/StringQuery.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/query/StringQuery.java
@@ -25,7 +25,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import org.springframework.data.repository.query.SpelQueryContext;
 import org.springframework.data.repository.query.SpelQueryContext.SpelExtractor;
-
 import org.springframework.data.domain.Range;
 import org.springframework.data.domain.Range.Bound;
 import org.springframework.data.repository.query.parser.Part.Type;
@@ -51,18 +50,23 @@ import static org.springframework.util.ObjectUtils.nullSafeHashCode;
  * @author Jens Schauder
  */
 class StringQuery implements DeclaredQuery {
-
+    /** */
     private final String query;
 
+    /** */
     private final List<ParameterBinding> bindings;
 
+    /** */
     @Nullable
     private final String alias;
 
+    /** */
     private final boolean hasConstructorExpression;
 
+    /** */
     private final boolean containsPageableInSpel;
 
+    /** */
     private final boolean usesJdbcStyleParameters;
 
     /**
@@ -70,8 +74,7 @@ class StringQuery implements DeclaredQuery {
      *
      * @param query must not be {@literal null} or empty.
      */
-    @SuppressWarnings("deprecation") StringQuery(String query) {
-
+    StringQuery(String query) {
         Assert.hasText(query, "Query must not be null or empty!");
 
         bindings = new ArrayList<>();
@@ -94,84 +97,64 @@ class StringQuery implements DeclaredQuery {
         return !bindings.isEmpty();
     }
 
+    /** */
     String getProjection() {
         return QueryUtils.getProjection(query);
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#getParameterBindings()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#getParameterBindings()
+    /** {@inheritDoc} */
     @Override public List<ParameterBinding> getParameterBindings() {
         return bindings;
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#deriveCountQuery(java.lang.String, java.lang
-     * .String)
-     */
-    @SuppressWarnings("deprecation")
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#deriveCountQuery(java.lang.String, java.lang
+    /** {@inheritDoc} */
     @Override public DeclaredQuery deriveCountQuery(@Nullable String countQuery,
         @Nullable String countQueryProjection) {
-
         return DeclaredQuery
             .of(countQuery != null ? countQuery : QueryUtils.createCountQueryFor(query, countQueryProjection));
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#usesJdbcStyleParameters()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#usesJdbcStyleParameters()
+    /** */
     @Override public boolean usesJdbcStyleParameters() {
         return usesJdbcStyleParameters;
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#getQueryString()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#getQueryString()
+    /** {@inheritDoc} */
     @Override public String getQueryString() {
         return query;
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#getAlias()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#getAlias()
+    /** {@inheritDoc} */
     @Override @Nullable
     public String getAlias() {
         return alias;
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#hasConstructorExpression()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#hasConstructorExpression()
+    /** {@inheritDoc} */
     @Override public boolean hasConstructorExpression() {
         return hasConstructorExpression;
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#isDefaultProjection()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#isDefaultProjection()
+    /** {@inheritDoc} */
     @Override public boolean isDefaultProjection() {
         return getProjection().equalsIgnoreCase(alias);
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#hasNamedParameter()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#hasNamedParameter()
+    /** {@inheritDoc} */
     @Override public boolean hasNamedParameter() {
         return bindings.stream().anyMatch(b -> b.getName() != null);
     }
 
-    /*
-     * (non-Javadoc)
-     * @see org.springframework.data.jpa.repository.query.DeclaredQuery#usesPaging()
-     */
+    // See org.springframework.data.jpa.repository.query.DeclaredQuery#usesPaging()
+    /** {@inheritDoc} */
     @Override public boolean usesPaging() {
         return containsPageableInSpel;
     }
@@ -182,24 +165,40 @@ class StringQuery implements DeclaredQuery {
      * @author Thomas Darimont
      */
     enum ParameterBindingParser {
+        /** */
         INSTANCE;
+
+        /** */
         private static final String EXPRESSION_PARAMETER_PREFIX = "__$synthetic$__";
+
+        /** */
         public static final String POSITIONAL_OR_INDEXED_PARAMETER = "\\?(\\d*+(?![#\\w]))";
         // .....................................................................^ not followed by a hash or a letter.
         // .................................................................^ zero or more digits.
         // .............................................................^ start with a question mark.
+
+        /** */
         private static final Pattern PARAMETER_BINDING_BY_INDEX = Pattern.compile(POSITIONAL_OR_INDEXED_PARAMETER);
+
+        /** */
         private static final Pattern PARAMETER_BINDING_PATTERN;
+
+        /** */
         private static final String MESSAGE =
             "Already found parameter binding with same index / parameter name but differing binding type! "
                 + "Already have: %s, found %s! If you bind a parameter multiple times make sure they use the same "
                 + "binding.";
+
+        /** */
         private static final int INDEXED_PARAMETER_GROUP = 4;
+
+        /** */
         private static final int NAMED_PARAMETER_GROUP = 6;
+
+        /** */
         private static final int COMPARISION_TYPE_GROUP = 1;
 
         static {
-
             List<String> keywords = new ArrayList<>();
 
             for (ParameterBindingType type : ParameterBindingType.values()) {
@@ -234,7 +233,6 @@ class StringQuery implements DeclaredQuery {
         private String parseParameterBindingsOfQueryIntoBindingsAndReturnCleanedQuery(String query,
             List<ParameterBinding> bindings,
             Metadata queryMeta) {
-
             int greatestParamIdx = tryFindGreatestParameterIndexIn(query);
             boolean parametersShouldBeAccessedByIdx = greatestParamIdx != -1;
 
@@ -256,8 +254,8 @@ class StringQuery implements DeclaredQuery {
             int expressionParamIdx = parametersShouldBeAccessedByIdx ? greatestParamIdx : 0;
 
             boolean usesJpaStyleParameters = false;
-            while (matcher.find()) {
 
+            while (matcher.find()) {
                 if (quotedAreas.isQuoted(matcher.start()))
                     continue;
 
@@ -275,7 +273,6 @@ class StringQuery implements DeclaredQuery {
 
                 expressionParamIdx++;
                 if (paramIdxStr != null && paramIdxStr.isEmpty()) {
-
                     queryMeta.usesJdbcStyleParameters = true;
                     paramIdx = expressionParamIdx;
                 }
@@ -296,9 +293,7 @@ class StringQuery implements DeclaredQuery {
                 }
 
                 switch (ParameterBindingType.of(typeSrc)) {
-
                     case LIKE:
-
                         Type likeType = LikeParameterBinding.getLikeTypeFrom(matcher.group(2));
                         replacement = matcher.group(3);
 
@@ -313,7 +308,6 @@ class StringQuery implements DeclaredQuery {
                         break;
 
                     case IN:
-
                         if (paramIdx != null)
                             checkAndRegister(new InParameterBinding(paramIdx, expression), bindings);
                         else
@@ -335,6 +329,7 @@ class StringQuery implements DeclaredQuery {
             return resultingQry;
         }
 
+        /** */
         private static SpelExtractor createSpelExtractor(String queryWithSpel,
             boolean parametersShouldBeAccessedByIndex,
             int greatestParameterIndex) {
@@ -360,8 +355,8 @@ class StringQuery implements DeclaredQuery {
             return SpelQueryContext.of(indexToParameterName, parameterNameToReplacement).parse(queryWithSpel);
         }
 
+        /** */
         private static String replaceFirst(String text, String substring, String replacement) {
-
             int index = text.indexOf(substring);
             if (index < 0)
                 return text;
@@ -369,16 +364,16 @@ class StringQuery implements DeclaredQuery {
             return text.substring(0, index) + replacement + text.substring(index + substring.length());
         }
 
+        /** */
         @Nullable
         private static Integer getParameterIndex(@Nullable String parameterIndexString) {
-
             if (parameterIndexString == null || parameterIndexString.isEmpty())
                 return null;
             return Integer.valueOf(parameterIndexString);
         }
 
+        /** */
         private static int tryFindGreatestParameterIndexIn(String query) {
-
             Matcher parameterIndexMatcher = PARAMETER_BINDING_BY_INDEX.matcher(query);
 
             int greatestParameterIndex = -1;
@@ -393,6 +388,7 @@ class StringQuery implements DeclaredQuery {
             return greatestParameterIndex;
         }
 
+        /** */
         private static void checkAndRegister(ParameterBinding binding, List<ParameterBinding> bindings) {
 
             bindings.stream() //
@@ -412,12 +408,20 @@ class StringQuery implements DeclaredQuery {
         private enum ParameterBindingType {
             // Trailing whitespace is intentional to reflect that the keywords must be used with at least one whitespace
             // character, while = does not.
+            /** */
             LIKE("like "),
+
+            /** */
             IN("in "),
+
+            /** */
             AS_IS(null);
-            private final @Nullable
-            String keyword;
 
+            /** */
+            @Nullable
+            private final String keyword;
+
+            /** */
             ParameterBindingType(@Nullable String keyword) {
                 this.keyword = keyword;
             }
@@ -438,7 +442,6 @@ class StringQuery implements DeclaredQuery {
              * #AS_IS} in case no other {@link ParameterBindingType} could be found.
              */
             static ParameterBindingType of(String typeSource) {
-
                 if (!StringUtils.hasText(typeSource))
                     return AS_IS;
 
@@ -458,12 +461,15 @@ class StringQuery implements DeclaredQuery {
      * @author Thomas Darimont
      */
     static class ParameterBinding {
+        /** */
         @Nullable
         private final String name;
 
+        /** */
         @Nullable
         private final String expression;
 
+        /** */
         @Nullable
         private final Integer position;
 
@@ -524,7 +530,6 @@ class StringQuery implements DeclaredQuery {
         /**
          * @return the name
          * @throws IllegalStateException if the name is not available.
-         * @since 2.0
          */
         String getRequiredName() throws IllegalStateException {
 
@@ -547,7 +552,6 @@ class StringQuery implements DeclaredQuery {
         /**
          * @return the position
          * @throws IllegalStateException if the position is not available.
-         * @since 2.0
          */
         int getRequiredPosition() throws IllegalStateException {
 
@@ -566,10 +570,7 @@ class StringQuery implements DeclaredQuery {
             return expression != null;
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#hashCode()
-         */
+        /** */
         @Override public int hashCode() {
 
             int result = 17;
@@ -581,10 +582,7 @@ class StringQuery implements DeclaredQuery {
             return result;
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#equals(java.lang.Object)
-         */
+        /** */
         @Override public boolean equals(Object obj) {
 
             if (!(obj instanceof ParameterBinding))
@@ -596,10 +594,7 @@ class StringQuery implements DeclaredQuery {
                 && nullSafeEquals(expression, that.expression);
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#toString()
-         */
+        /** */
         @Override public String toString() {
             return String.format("ParameterBinding [name: %s, position: %d, expression: %s]", getName(), getPosition(),
                 getExpression());
@@ -613,11 +608,11 @@ class StringQuery implements DeclaredQuery {
             return valueToBind;
         }
 
+        /** */
         @Nullable
         public String getExpression() {
             return expression;
         }
-
     }
 
     /**
@@ -627,7 +622,6 @@ class StringQuery implements DeclaredQuery {
      * @author Thomas Darimont
      */
     static class InParameterBinding extends ParameterBinding {
-
         /**
          * Creates a new {@link InParameterBinding} for the parameter with the given name.
          */
@@ -647,7 +641,6 @@ class StringQuery implements DeclaredQuery {
          * @see org.springframework.data.jpa.repository.query.StringQuery.ParameterBinding#prepare(java.lang.Object)
          */
         @Override public Object prepare(@Nullable Object value) {
-
             if (!ObjectUtils.isArray(value))
                 return value;
 
@@ -670,10 +663,11 @@ class StringQuery implements DeclaredQuery {
      * @author Thomas Darimont
      */
     static class LikeParameterBinding extends ParameterBinding {
-
+        /** */
         private static final List<Type> SUPPORTED_TYPES = Arrays.asList(Type.CONTAINING, Type.STARTING_WITH,
             Type.ENDING_WITH, Type.LIKE);
 
+        /** */
         private final Type type;
 
         /**
@@ -751,7 +745,6 @@ class StringQuery implements DeclaredQuery {
          */
         @Nullable
         @Override public Object prepare(@Nullable Object value) {
-
             if (value == null)
                 return null;
 
@@ -768,12 +761,8 @@ class StringQuery implements DeclaredQuery {
             }
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#equals(java.lang.Object)
-         */
+        /** */
         @Override public boolean equals(Object obj) {
-
             if (!(obj instanceof LikeParameterBinding))
                 return false;
 
@@ -782,10 +771,7 @@ class StringQuery implements DeclaredQuery {
             return super.equals(obj) && type.equals(that.type);
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#hashCode()
-         */
+        /** */
         @Override public int hashCode() {
 
             int result = super.hashCode();
@@ -795,10 +781,7 @@ class StringQuery implements DeclaredQuery {
             return result;
         }
 
-        /*
-         * (non-Javadoc)
-         * @see java.lang.Object#toString()
-         */
+        /** */
         @Override public String toString() {
             return String.format("LikeBinding [name: %s, position: %d, type: %s]", getName(), getPosition(), type);
         }
@@ -826,13 +809,12 @@ class StringQuery implements DeclaredQuery {
 
     }
 
+    /** */
     static class Metadata {
-
         /**
          * Uses jdbc style parameters.
          */
         private boolean usesJdbcStyleParameters;
-
     }
 
     /**
@@ -841,12 +823,12 @@ class StringQuery implements DeclaredQuery {
      *
      * @author Jens Schauder
      * @author Oliver Gierke
-     * @since 2.1
      */
     static class QuotationMap {
-
+        /** */
         private static final Collection<Character> QUOTING_CHARACTERS = Arrays.asList('"', '\'');
 
+        /** */
         private final List<Range<Integer>> quotedRanges = new ArrayList<>();
 
         /**
@@ -855,7 +837,6 @@ class StringQuery implements DeclaredQuery {
          * @param query can be {@literal null}.
          */
         public QuotationMap(@Nullable String query) {
-
             if (query == null)
                 return;
 
@@ -863,18 +844,15 @@ class StringQuery implements DeclaredQuery {
             int start = 0;
 
             for (int i = 0; i < query.length(); i++) {
-
                 char currentChar = query.charAt(i);
 
                 if (QUOTING_CHARACTERS.contains(currentChar)) {
-
                     if (inQuotation == null) {
 
                         inQuotation = currentChar;
                         start = i;
                     }
                     else if (currentChar == inQuotation) {
-
                         inQuotation = null;
 
                         quotedRanges.add(Range.from(Bound.inclusive(start)).to(Bound.inclusive(i)));
@@ -897,7 +875,5 @@ class StringQuery implements DeclaredQuery {
         public boolean isQuoted(int idx) {
             return quotedRanges.stream().anyMatch(r -> r.contains(idx));
         }
-
     }
-
 }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/ConditionFalse.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/ConditionFalse.java
index b30c11b..a69dc8e 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/ConditionFalse.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/ConditionFalse.java
@@ -25,9 +25,7 @@ import org.springframework.core.type.AnnotatedTypeMetadata;
  * Always false condition. Tells spring context never load bean with such Condition.
  */
 public class ConditionFalse implements Condition {
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
         return false;
     }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryFactory.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryFactory.java
index 036280b..9c04b38 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryFactory.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryFactory.java
@@ -101,6 +101,7 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
         beanExpressionContext = new BeanExpressionContext(beanFactory, null);
     }
 
+    /** */
     private Ignite igniteForRepoConfig(RepositoryConfig config) {
         try {
             String igniteInstanceName = evaluateExpression(config.igniteInstance());
@@ -135,39 +136,27 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
         }
     }
 
-    /**
-     * {@inheritDoc} @param <T>  the type parameter
-     *
-     * @param <ID>        the type parameter
-     * @param domainClass the domain class
-     * @return the entity information
-     */
+    /** {@inheritDoc} */
     @Override public <T, ID> EntityInformation<T, ID> getEntityInformation(Class<T> domainClass) {
         return new AbstractEntityInformation<T, ID>(domainClass) {
+            /** {@inheritDoc} */
             @Override public ID getId(T entity) {
                 return null;
             }
 
+            /** {@inheritDoc} */
             @Override public Class<ID> getIdType() {
                 return null;
             }
         };
     }
 
-    /**
-     * {@inheritDoc} @param metadata the metadata
-     *
-     * @return the repository base class
-     */
+    /** {@inheritDoc} */
     @Override protected Class<?> getRepositoryBaseClass(RepositoryMetadata metadata) {
         return IgniteRepositoryImpl.class;
     }
 
-    /**
-     * {@inheritDoc} @param repoItf the repo itf
-     *
-     * @return the repository metadata
-     */
+    /** {@inheritDoc} */
     @Override protected synchronized RepositoryMetadata getRepositoryMetadata(Class<?> repoItf) {
         Assert.notNull(repoItf, "Repository interface must be set.");
         Assert.isAssignable(IgniteRepository.class, repoItf, "Repository must implement IgniteRepository interface.");
@@ -190,7 +179,7 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
     }
 
     /**
-     * evaluate the SpEL expression
+     * Evaluate the SpEL expression
      *
      * @param spelExpression SpEL expression
      * @return the result of execution of the SpEL expression
@@ -200,7 +189,7 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
         return (String)resolver.evaluate(spelExpression, beanExpressionContext);
     }
 
-    /* control underline cache creation to avoid cache creation by mistake */
+    /** Control underlying cache creation to avoid cache creation by mistake */
     private IgniteCache getRepositoryCache(Class<?> repoIf) {
         Ignite ignite = repoToIgnite.get(repoIf);
 
@@ -221,27 +210,18 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
         return c;
     }
 
-    /**
-     * {@inheritDoc} @param metadata the metadata
-     *
-     * @return the target repository
-     */
+    /** {@inheritDoc} */
     @Override protected Object getTargetRepository(RepositoryInformation metadata) {
         Ignite ignite = repoToIgnite.get(metadata.getRepositoryInterface());
+
         return getTargetRepositoryViaReflection(metadata, ignite,
             getRepositoryCache(metadata.getRepositoryInterface()));
     }
 
-    /**
-     * {@inheritDoc} @param key the key
-     *
-     * @param evaluationContextProvider the evaluation context provider
-     * @return the query lookup strategy
-     */
+    /** {@inheritDoc} */
     @Override protected Optional<QueryLookupStrategy> getQueryLookupStrategy(final QueryLookupStrategy.Key key,
         QueryMethodEvaluationContextProvider evaluationContextProvider) {
         return Optional.of((mtd, metadata, factory, namedQueries) -> {
-
             final Query annotation = mtd.getAnnotation(Query.class);
             final Ignite ignite = repoToIgnite.get(metadata.getRepositoryInterface());
 
@@ -249,11 +229,14 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
                 .dynamicQuery())) {
 
                 String qryStr = annotation.value();
+
                 boolean annotatedIgniteQuery = !annotation.dynamicQuery() && (StringUtils.hasText(qryStr) || annotation
                     .textQuery());
+
                 IgniteQuery query = annotatedIgniteQuery ? new IgniteQuery(qryStr,
                     !annotation.textQuery() && (isFieldQuery(qryStr) || annotation.forceFieldsQuery()),
                     annotation.textQuery(), false, IgniteQueryGenerator.getOptions(mtd)) : null;
+
                 if (key != QueryLookupStrategy.Key.CREATE) {
                     return new IgniteRepositoryQuery(ignite, metadata, query, mtd, factory,
                         getRepositoryCache(metadata.getRepositoryInterface()),
@@ -302,5 +285,4 @@ public class IgniteRepositoryFactory extends RepositoryFactorySupport {
             // insert
             qryUpperCase.matches("^\\s*INSERT\\b.*");
     }
-
 }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryFactoryBean.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryFactoryBean.java
index f56c68c..ece9f31 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryFactoryBean.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryFactoryBean.java
@@ -45,9 +45,7 @@ import org.springframework.data.repository.core.support.RepositoryFactorySupport
  */
 public class IgniteRepositoryFactoryBean<T extends Repository<V, K>, V, K extends Serializable>
     extends RepositoryFactoryBeanSupport<T, V, K> implements ApplicationContextAware {
-    /**
-     * Application context.
-     */
+    /** */
     private ApplicationContext ctx;
 
     /**
@@ -57,16 +55,12 @@ public class IgniteRepositoryFactoryBean<T extends Repository<V, K>, V, K extend
         super(repoInterface);
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public void setApplicationContext(ApplicationContext ctx) throws BeansException {
         this.ctx = ctx;
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected RepositoryFactorySupport createRepositoryFactory() {
         return new IgniteRepositoryFactory(ctx);
     }
diff --git a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryImpl.java b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryImpl.java
index 9bf63ed..0e13ee9 100644
--- a/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryImpl.java
+++ b/modules/spring-data-2.2/src/main/java/org/apache/ignite/springdata22/repository/support/IgniteRepositoryImpl.java
@@ -65,53 +65,31 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
         this.ignite = ignite;
     }
 
-    /**
-     * {@inheritDoc} @return the ignite cache
-     */
+    /** {@inheritDoc} */
     @Override public IgniteCache<K, V> cache() {
         return cache;
     }
 
-    /**
-     * {@inheritDoc} @return the ignite
-     */
+    /** {@inheritDoc} */
     @Override public Ignite ignite() {
         return ignite;
     }
 
-    /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param key    the key
-     * @param entity the entity
-     * @return the s
-     */
+    /** {@inheritDoc} */
     @Override public <S extends V> S save(K key, S entity) {
         cache.put(key, entity);
 
         return entity;
     }
 
-    /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param entities the entities
-     * @return the iterable
-     */
+    /** {@inheritDoc} */
     @Override public <S extends V> Iterable<S> save(Map<K, S> entities) {
         cache.putAll(entities);
 
         return entities.values();
     }
 
-    /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param key       the key
-     * @param entity    the entity
-     * @param expiryPlc the expiry policy
-     * @return the s
-     */
+    /** {@inheritDoc} */
     @Override public <S extends V> S save(K key, S entity, @Nullable ExpiryPolicy expiryPlc) {
         if (expiryPlc != null)
             cache.withExpiryPolicy(expiryPlc).put(key, entity);
@@ -120,13 +98,7 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
         return entity;
     }
 
-    /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param entities  the entities
-     * @param expiryPlc the expiry policy
-     * @return the iterable
-     */
+    /** {@inheritDoc} */
     @Override public <S extends V> Iterable<S> save(Map<K, S> entities, @Nullable ExpiryPolicy expiryPlc) {
         if (expiryPlc != null)
             cache.withExpiryPolicy(expiryPlc).putAll(entities);
@@ -136,60 +108,48 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
     }
 
     /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param entity the entity
-     * @return the s
+     * Not implemented.
      */
     @Override public <S extends V> S save(S entity) {
         throw new UnsupportedOperationException("Use IgniteRepository.save(key,value) method instead.");
     }
 
     /**
-     * {@inheritDoc} @param <S>  the type parameter
-     *
-     * @param entities the entities
-     * @return the iterable
+     * Not implemented.
      */
     @Override public <S extends V> Iterable<S> saveAll(Iterable<S> entities) {
         throw new UnsupportedOperationException("Use IgniteRepository.save(Map<keys,value>) method instead.");
     }
 
-    /**
-     * {@inheritDoc} @param id the id
-     *
-     * @return the optional
-     */
+    /** {@inheritDoc} */
     @Override public Optional<V> findById(K id) {
         return Optional.ofNullable(cache.get(id));
     }
 
-    /**
-     * {@inheritDoc} @param id the id
-     *
-     * @return the boolean
-     */
+    /** {@inheritDoc} */
     @Override public boolean existsById(K id) {
         return cache.containsKey(id);
     }
 
-    /**
-     * {@inheritDoc} @return the iterable
-     */
+    /** {@inheritDoc} */
     @Override public Iterable<V> findAll() {
         final Iterator<Cache.Entry<K, V>> iter = cache.iterator();
 
         return new Iterable<V>() {
+            /** */
             @Override public Iterator<V> iterator() {
                 return new Iterator<V>() {
+                    /** {@inheritDoc} */
                     @Override public boolean hasNext() {
                         return iter.hasNext();
                     }
 
+                    /** {@inheritDoc} */
                     @Override public V next() {
                         return iter.next().getValue();
                     }
 
+                    /** {@inheritDoc} */
                     @Override public void remove() {
                         iter.remove();
                     }
@@ -198,11 +158,7 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
         };
     }
 
-    /**
-     * {@inheritDoc} @param ids the ids
-     *
-     * @return the iterable
-     */
+    /** {@inheritDoc} */
     @Override public Iterable<V> findAllById(Iterable<K> ids) {
         if (ids instanceof Set)
             return cache.getAll((Set<K>)ids).values();
@@ -218,37 +174,27 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
         return cache.getAll(keys).values();
     }
 
-    /**
-     * {@inheritDoc} @return the long
-     */
+    /** {@inheritDoc} */
     @Override public long count() {
         return cache.size(CachePeekMode.PRIMARY);
     }
 
-    /**
-     * {@inheritDoc} @param id the id
-     */
+    /** {@inheritDoc} */
     @Override public void deleteById(K id) {
         cache.remove(id);
     }
 
-    /**
-     * {@inheritDoc} @param entity the entity
-     */
+    /** {@inheritDoc} */
     @Override public void delete(V entity) {
         throw new UnsupportedOperationException("Use IgniteRepository.deleteById(key) method instead.");
     }
 
-    /**
-     * {@inheritDoc} @param entities the entities
-     */
+    /** {@inheritDoc} */
     @Override public void deleteAll(Iterable<? extends V> entities) {
         throw new UnsupportedOperationException("Use IgniteRepository.deleteAllById(keys) method instead.");
     }
 
-    /**
-     * {@inheritDoc} @param ids the ids
-     */
+    /** {@inheritDoc} */
     @Override public void deleteAllById(Iterable<K> ids) {
         if (ids instanceof Set) {
             cache.removeAll((Set<K>)ids);
@@ -268,11 +214,8 @@ public class IgniteRepositoryImpl<V, K extends Serializable> implements IgniteRe
         cache.removeAll(keys);
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override public void deleteAll() {
         cache.clear();
     }
-
 }
diff --git a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfExpressionTest.java b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfExpressionTest.java
index 7154619..d9de9b7 100644
--- a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfExpressionTest.java
+++ b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfExpressionTest.java
@@ -32,30 +32,20 @@ import org.springframework.context.annotation.AnnotationConfigApplicationContext
  * Test with using repository which is configured by Spring EL
  */
 public class IgniteSpringDataCrudSelfExpressionTest extends GridCommonAbstractTest {
-    /**
-     * Number of entries to store
-     */
+    /** Number of entries to store */
     private static final int CACHE_SIZE = 1000;
 
-    /**
-     * Repository.
-     */
+    /** Repository. */
     private static PersonExpressionRepository repo;
 
-    /**
-     * Context.
-     */
+    /** Context. */
     private static AnnotationConfigApplicationContext ctx;
 
-    /**
-     *
-     */
+    /** */
     @Rule
     public final ExpectedException expected = ExpectedException.none();
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected void beforeTestsStarted() throws Exception {
         super.beforeTestsStarted();
 
@@ -66,9 +56,7 @@ public class IgniteSpringDataCrudSelfExpressionTest extends GridCommonAbstractTe
         repo = ctx.getBean(PersonExpressionRepository.class);
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected void beforeTest() throws Exception {
         super.beforeTest();
 
@@ -77,9 +65,7 @@ public class IgniteSpringDataCrudSelfExpressionTest extends GridCommonAbstractTe
         assertEquals(CACHE_SIZE, repo.count());
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected void afterTest() throws Exception {
         repo.deleteAll();
 
@@ -88,25 +74,21 @@ public class IgniteSpringDataCrudSelfExpressionTest extends GridCommonAbstractTe
         super.afterTest();
     }
 
-    /**
-     *
-     */
+    /** */
     private void fillInRepository() {
         for (int i = 0; i < CACHE_SIZE - 5; i++) {
             repo.save(i, new Person("person" + Integer.toHexString(i),
                 "lastName" + Integer.toHexString((i + 16) % 256)));
         }
 
-        repo.save((int)repo.count(), new Person("uniquePerson", "uniqueLastName"));
-        repo.save((int)repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
-        repo.save((int)repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
-        repo.save((int)repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
-        repo.save((int)repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
+        repo.save((int) repo.count(), new Person("uniquePerson", "uniqueLastName"));
+        repo.save((int) repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
+        repo.save((int) repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
+        repo.save((int) repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
+        repo.save((int) repo.count(), new Person("nonUniquePerson", "nonUniqueLastName"));
     }
 
-    /**
-     * {@inheritDoc}
-     */
+    /** {@inheritDoc} */
     @Override protected void afterTestsStopped() {
         ctx.close();
     }
@@ -147,6 +129,7 @@ public class IgniteSpringDataCrudSelfExpressionTest extends GridCommonAbstractTe
             cacheNames.contains("PersonCache"));
     }
 
+    /** */
     @Test
     public void testCacheCountTWO() {
         Ignite ignite = ctx.getBean("igniteInstanceTWO", Ignite.class);
diff --git a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfTest.java b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfTest.java
index 5b52092..38785ef 100644
--- a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfTest.java
+++ b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataCrudSelfTest.java
@@ -33,7 +33,7 @@ import org.junit.Test;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 
 /**
- *
+ * CRUD tests.
  */
 public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     /** Repository. */
@@ -76,9 +76,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         super.afterTest();
     }
 
-    /**
-     *
-     */
+    /** */
     private void fillInRepository() {
         for (int i = 0; i < CACHE_SIZE - 5; i++) {
             repo.save(i, new Person("person" + Integer.toHexString(i),
@@ -97,9 +95,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         ctx.destroy();
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testPutGet() {
         Person person = new Person("some_name", "some_surname");
@@ -122,9 +118,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testPutAllGetAll() {
         LinkedHashMap<Integer, Person> map = new LinkedHashMap<>();
@@ -162,9 +156,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(map.size(), counter);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testGetAll() {
         assertEquals(CACHE_SIZE, repo.count());
@@ -181,9 +173,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(repo.count(), counter);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testDelete() {
         assertEquals(CACHE_SIZE, repo.count());
@@ -203,9 +193,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testDeleteSet() {
         assertEquals(CACHE_SIZE, repo.count());
@@ -234,9 +222,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testDeleteAll() {
         assertEquals(CACHE_SIZE, repo.count());
@@ -247,7 +233,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Delete existing record
+     * Delete existing record.
      */
     @Test
     public void testDeleteByFirstName() {
@@ -259,7 +245,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Delete NON existing record
+     * Delete NON existing record.
      */
     @Test
     public void testDeleteExpression() {
@@ -269,7 +255,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Delete Multiple records due to where
+     * Delete Multiple records due to where.
      */
     @Test
     public void testDeleteExpressionMultiple() {
@@ -280,7 +266,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Remove should do the same than Delete
+     * Remove should do the same than Delete.
      */
     @Test
     public void testRemoveExpression() {
@@ -291,7 +277,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Delete unique record using lower case key word
+     * Delete unique record using lower case key word.
      */
     @Test
     public void testDeleteQuery() {
@@ -302,7 +288,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Try to delete with a wrong @Query
+     * Try to delete with a wrong @Query.
      */
     @Test
     public void testWrongDeleteQuery() {
@@ -320,7 +306,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     }
 
     /**
-     * Update with a @Query a record
+     * Update with a @Query a record.
      */
     @Test
     public void testUpdateQueryMixedCase() {
@@ -347,6 +333,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(person.get(0).getFullName(), "uniquePerson updatedUniqueSecondName1");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseProjectionNamedParameter() {
         final String newSecondName = "updatedUniqueSecondName2";
@@ -358,6 +345,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(person.get(0).getFullName(), "uniquePerson updatedUniqueSecondName2");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseDynamicProjectionNamedParameter() {
         final String newSecondName = "updatedUniqueSecondName2";
@@ -372,6 +360,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(personFullName.get(0).getFullName(), "uniquePerson updatedUniqueSecondName2");
     }
 
+    /** */
     @Test
     public void testUpdateQueryOneMixedCaseDynamicProjectionNamedParameter() {
         final String newSecondName = "updatedUniqueSecondName2";
@@ -386,6 +375,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(personFullName.getFullName(), "uniquePerson updatedUniqueSecondName2");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseProjectionIndexedParameter() {
         final String newSecondName = "updatedUniqueSecondName3";
@@ -397,6 +387,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(person.get(0).getFullName(), "uniquePerson updatedUniqueSecondName3");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseProjectionIndexedParameterLuceneTextQuery() {
         final String newSecondName = "updatedUniqueSecondName4";
@@ -408,6 +399,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(person.get(0).getFullName(), "uniquePerson updatedUniqueSecondName4");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseProjectionNamedParameterAndTemplateDomainEntityVariable() {
         final String newSecondName = "updatedUniqueSecondName5";
@@ -419,6 +411,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
         assertEquals(person.get(0).getFullName(), "uniquePerson updatedUniqueSecondName5");
     }
 
+    /** */
     @Test
     public void testUpdateQueryMixedCaseProjectionNamedParameterWithSpELExtension() {
         final String newSecondName = "updatedUniqueSecondName6";
@@ -438,6 +431,7 @@ public class IgniteSpringDataCrudSelfTest extends GridCommonAbstractTest {
     public void testWrongUpdateQuery() {
         final String newSecondName = "updatedUniqueSecondName";
         int rowsUpdated = 0;
+
         try {
             rowsUpdated = repo.setWrongFixedSecondName(newSecondName, "uniquePerson");
         }
diff --git a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataQueriesSelfTest.java b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataQueriesSelfTest.java
index 25592a2..d35c781 100644
--- a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataQueriesSelfTest.java
+++ b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/IgniteSpringDataQueriesSelfTest.java
@@ -38,14 +38,10 @@ import org.springframework.data.domain.Sort;
  *
  */
 public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
-    /**
-     * Repository.
-     */
+    /** Repository. */
     private static PersonRepository repo;
 
-    /**
-     * Repository 2.
-     */
+    /** Repository 2. */
     private static PersonSecondRepository repo2;
 
     /**
@@ -53,9 +49,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
      */
     private static PersonRepositoryOtherIgniteInstance repoTWO;
 
-    /**
-     * Context.
-     */
+    /** Context. */
     private static AnnotationConfigApplicationContext ctx;
 
     /**
@@ -95,9 +89,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         ctx.destroy();
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testExplicitQuery() {
         List<Person> persons = repo.simpleQuery("person4a");
@@ -108,6 +100,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertEquals("person4a", person.getFirstName());
     }
 
+    /** */
     @Test
     public void testExplicitQueryTWO() {
         List<Person> persons = repoTWO.simpleQuery("TWOperson4a");
@@ -118,9 +111,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertEquals("TWOperson4a", person.getFirstName());
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testEqualsPart() {
         List<Person> persons = repo.findByFirstName("person4e");
@@ -131,6 +122,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertEquals("person4e", person.getFirstName());
     }
 
+    /** */
     @Test
     public void testEqualsPartTWO() {
         List<Person> persons = repoTWO.findByFirstName("TWOperson4e");
@@ -141,9 +133,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertEquals("TWOperson4e", person.getFirstName());
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testContainingPart() {
         List<Person> persons = repo.findByFirstNameContaining("person4");
@@ -154,6 +144,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertTrue(person.getFirstName().startsWith("person4"));
     }
 
+    /** */
     @Test
     public void testContainingPartTWO() {
         List<Person> persons = repoTWO.findByFirstNameContaining("TWOperson4");
@@ -164,9 +155,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertTrue(person.getFirstName().startsWith("TWOperson4"));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testTopPart() {
         Iterable<Person> top = repo.findTopByFirstNameContaining("person4");
@@ -180,6 +169,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(person.getFirstName().startsWith("person4"));
     }
 
+    /** */
     @Test
     public void testTopPartTWO() {
         Iterable<Person> top = repoTWO.findTopByFirstNameContaining("TWOperson4");
@@ -193,9 +183,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(person.getFirstName().startsWith("TWOperson4"));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testLikeAndLimit() {
         Iterable<Person> like = repo.findFirst10ByFirstNameLike("person");
@@ -211,6 +199,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(10, cnt);
     }
 
+    /** */
     @Test
     public void testLikeAndLimitTWO() {
         Iterable<Person> like = repoTWO.findFirst10ByFirstNameLike("TWOperson");
@@ -226,9 +215,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(10, cnt);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testCount() {
         int cnt = repo.countByFirstNameLike("person");
@@ -236,6 +223,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(1000, cnt);
     }
 
+    /** */
     @Test
     public void testCountTWO() {
         int cnt = repoTWO.countByFirstNameLike("TWOperson");
@@ -243,9 +231,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(1000, cnt);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testCount2() {
         int cnt = repo.countByFirstNameLike("person4");
@@ -253,6 +239,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(cnt < 1000);
     }
 
+    /** */
     @Test
     public void testCount2TWO() {
         int cnt = repoTWO.countByFirstNameLike("TWOperson4");
@@ -260,9 +247,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(cnt < 1000);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testPageable() {
         PageRequest pageable = PageRequest.of(1, 5, Sort.Direction.DESC, "firstName");
@@ -292,9 +277,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(10, firstNames.size());
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testAndAndOr() {
         int cntAnd = repo.countByFirstNameLikeAndSecondNameLike("person1", "lastName1");
@@ -304,9 +287,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(cntAnd <= cntOr);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testQueryWithSort() {
         List<Person> persons = repo.queryWithSort("^[a-z]+$", Sort.by(Sort.Direction.DESC, "secondName"));
@@ -322,9 +303,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testQueryWithPaging() {
         List<Person> persons = repo.queryWithPageable("^[a-z]+$", PageRequest.of(1, 7, Sort.Direction.DESC, "secondName"));
@@ -342,9 +321,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testQueryFields() {
         List<String> persons = repo.selectField("^[a-z]+$", PageRequest.of(1, 7, Sort.Direction.DESC, "secondName"));
@@ -352,9 +329,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(7, persons.size());
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testFindCacheEntries() {
         List<Cache.Entry<Integer, Person>> cacheEntries = repo.findBySecondNameLike("stName1");
@@ -365,9 +340,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertTrue(entry.getValue().getSecondName().contains("stName1"));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testFindOneCacheEntry() {
         Cache.Entry<Integer, Person> cacheEntry = repo.findTopBySecondNameLike("tName18");
@@ -377,9 +350,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(cacheEntry.getValue().getSecondName().contains("tName18"));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testFindOneValue() {
         PersonProjection person = repo.findTopBySecondNameStartingWith("lastName18");
@@ -389,9 +360,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertTrue(person.getFullName().split("\\s")[1].startsWith("lastName18"));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testSelectSeveralFields() {
         List<List> lists = repo.selectSeveralField("^[a-z]+$", PageRequest.of(2, 6));
@@ -405,9 +374,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         }
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testCountQuery() {
         int cnt = repo.countQuery(".*");
@@ -415,9 +382,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
         assertEquals(256, cnt);
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testSliceOfCacheEntries() {
         Slice<Cache.Entry<Integer, Person>> slice = repo2.findBySecondNameIsNot("lastName18", PageRequest.of(3, 4));
@@ -428,9 +393,7 @@ public class IgniteSpringDataQueriesSelfTest extends GridCommonAbstractTest {
             assertFalse("lastName18".equals(entry.getValue().getSecondName()));
     }
 
-    /**
-     *
-     */
+    /** */
     @Test
     public void testSliceOfLists() {
         Slice<List> lists = repo2.querySliceOfList("^[a-z]+$", PageRequest.of(0, 3));
diff --git a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/ApplicationConfiguration.java b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/ApplicationConfiguration.java
index c418926..1443d5d 100644
--- a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/ApplicationConfiguration.java
+++ b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/ApplicationConfiguration.java
@@ -29,15 +29,14 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.spel.spi.EvaluationContextExtension;
 
-/**
- *
- */
+/** */
 @Configuration
 @EnableIgniteRepositories
 public class ApplicationConfiguration {
-
+    /** */
     public static final String IGNITE_INSTANCE_ONE = "IGNITE_INSTANCE_ONE";
 
+    /** */
     public static final String IGNITE_INSTANCE_TWO = "IGNITE_INSTANCE_TWO";
 
     /**
@@ -52,11 +51,13 @@ public class ApplicationConfiguration {
         return bean;
     }
 
+    /** */
     @Bean
     public EvaluationContextExtension sampleSpELExtension() {
         return new SampleEvaluationContextExtension();
     }
 
+    /** */
     @Bean(value = "sampleExtensionBean")
     public SamplePassParamExtension sampleExtensionBean() {
         return new SamplePassParamExtension();
diff --git a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/FullNameProjection.java b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/FullNameProjection.java
index 9aca003..23f8f8e 100644
--- a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/FullNameProjection.java
+++ b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/FullNameProjection.java
@@ -24,7 +24,6 @@ import org.springframework.beans.factory.annotation.Value;
  * @author Manuel Núñez Sánchez (manuel.nunez@hawkore.com)
  */
 public interface FullNameProjection {
-
     /**
      * Sample of using SpEL expression
      * @return
diff --git a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/PersonProjection.java b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/PersonProjection.java
index c4cab06..a187a08 100644
--- a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/PersonProjection.java
+++ b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/PersonProjection.java
@@ -24,7 +24,7 @@ import org.springframework.beans.factory.annotation.Value;
  * @author Manuel Núñez Sánchez (manuel.nunez@hawkore.com)
  */
 public interface PersonProjection {
-
+    /** */
     String getFirstName();
 
     /**
diff --git a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/PersonRepository.java b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/PersonRepository.java
index 59db22b..0a5826f 100644
--- a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/PersonRepository.java
+++ b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/PersonRepository.java
@@ -30,7 +30,7 @@ import org.springframework.data.domain.Sort;
 import org.springframework.data.repository.query.Param;
 
 /**
- *
+ * Test repository.
  */
 @RepositoryConfig(cacheName = "PersonCache")
 public interface PersonRepository extends IgniteRepository<Person, Integer> {
diff --git a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/SampleEvaluationContextExtension.java b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/SampleEvaluationContextExtension.java
index 7acdcb5..9db4343 100644
--- a/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/SampleEvaluationContextExtension.java
+++ b/modules/spring-data-2.2/src/test/java/org/apache/ignite/springdata/misc/SampleEvaluationContextExtension.java
@@ -22,7 +22,7 @@ import java.util.Map;
 import org.springframework.data.spel.spi.EvaluationContextExtension;
 
 /**
- * Sample EvaluationContext Extension for Spring Data 2.0
+ * Sample EvaluationContext Extension for Spring Data 2.2
  * <p>
  * Use SpEl expressions into your {@code @Query} definitions.
  * <p>
@@ -59,32 +59,35 @@ import org.springframework.data.spel.spi.EvaluationContextExtension;
  * @author Manuel Núñez Sánchez (manuel.nunez@hawkore.com)
  */
 public class SampleEvaluationContextExtension implements EvaluationContextExtension {
-
+    /** */
     private static final SamplePassParamExtension SAMPLE_PASS_PARAM_EXTENSION_INSTANCE = new SamplePassParamExtension();
 
+    /** */
     private static final Map<String, Object> properties = new HashMap<>();
 
+    /** */
     private static final String SAMPLE_EXTENSION_SPEL_VAR = "sampleExtension";
 
     static {
         properties.put(SAMPLE_EXTENSION_SPEL_VAR, SAMPLE_PASS_PARAM_EXTENSION_INSTANCE);
     }
 
+    /** */
     @Override public String getExtensionId() {
         return "HK-SAMPLE-PASS-PARAM-EXTENSION";
     }
 
+    /** */
     @Override public Map<String, Object> getProperties() {
         return properties;
     }
 
+    /** */
     public static class SamplePassParamExtension {
-
         // just return same param
+        /** */
         public Object transformParam(Object param) {
             return param;
         }
-
     }
-
 }