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Posted to commits@polygene.apache.org by ni...@apache.org on 2016/12/17 10:28:08 UTC

[32/81] [abbrv] [partial] zest-java git commit: ZEST-195 ; Replace all "zest" with "polygene"

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/Query.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/Query.java b/core/api/src/main/java/org/apache/zest/api/query/Query.java
deleted file mode 100644
index 4e985b8..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/Query.java
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query;
-
-import java.io.Serializable;
-import java.util.stream.Stream;
-import org.apache.zest.api.property.Property;
-import org.apache.zest.api.query.grammar.OrderBy;
-
-/**
- * This represents a Query in an indexing system. It is created from a
- * {@link QueryBuilder}, which decides the "where" clause in the query.
- * <p>
- * Additional limitations, such as paging, ordering, and variables, can be set on
- * a Query before it is executed by calling one of find(), iterator(),
- * or count().
- * </p>
- * <p>
- * DDD tip: typically Queries are created in the Domain Model and passed to the UI,
- * which sets the order and paging before executing it.
- * </p>
- */
-public interface Query<T>
-    extends Iterable<T>, Serializable
-{
-    /**
-     * Set the ordering rules. If many segments are used for ordering
-     * then they will be applied in order.
-     *
-     * @param segments the segments to order by
-     *
-     * @return the Query
-     */
-    Query<T> orderBy( OrderBy... segments );
-
-    /**
-     * Append an ordering rule to the existing segments.
-     *
-     * @param property the property to order by
-     * @param order the order to apply
-     *
-     * @return the Query
-     */
-    Query<T> orderBy( final Property<?> property, final OrderBy.Order order );
-
-    /**
-     * Append an ascending ordering rule to the existing segments.
-     *
-     * @param property the property to order by
-     *
-     * @return the Query
-     */
-    Query<T> orderBy( Property<?> property );
-
-    /**
-     * Set the index of the first result. Default is 0 (zero).
-     *
-     * @param firstResult which index to use as the first one
-     *
-     * @return the Query
-     */
-    Query<T> firstResult( int firstResult );
-
-    /**
-     * Set how many results should be returned. Default is that
-     * there is no limit set.
-     *
-     * @param maxResults that shouldbe returned
-     *
-     * @return the query
-     */
-    Query<T> maxResults( int maxResults );
-
-    /**
-     * Get the first Entity that matches the criteria. This
-     * executes the Query.
-     *
-     * @return the first found Entity or null if none were found
-     *
-     * @throws QueryExecutionException if the query fails
-     */
-    T find()
-        throws QueryExecutionException;
-
-    /**
-     * Set the value of a named variable.
-     *
-     * @param name  of the variable
-     * @param value of the variable
-     *
-     * @return the query
-     */
-    Query<T> setVariable( String name, Object value );
-
-    /**
-     * Get the value of a named variable.
-     *
-     * @param name of the variable
-     *
-     * @return value of the variable
-     */
-    <V> V getVariable( String name );
-
-    /**
-     * Get the result type of this Query
-     *
-     * @return the result type
-     */
-    Class<T> resultType();
-
-    /**
-     * Count how many results would be returned by this Query.
-     * This executes the Query.
-     *
-     * @return result count
-     *
-     * @throws QueryExecutionException if the query fails
-     */
-    long count()
-        throws QueryExecutionException;
-
-    /**
-     * @return Stream results
-     */
-    Stream<T> stream();
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/QueryBuilder.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/QueryBuilder.java b/core/api/src/main/java/org/apache/zest/api/query/QueryBuilder.java
deleted file mode 100644
index 7baed9b..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/QueryBuilder.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query;
-
-import java.util.function.Predicate;
-import org.apache.zest.api.composite.Composite;
-
-/**
- * QueryBuilders are used to create {@link Query} instances.
- * Iteratively add where() clauses to the query, and then use
- * {@link org.apache.zest.api.unitofwork.UnitOfWork#newQuery(QueryBuilder)}  to instantiate the Query.
- * QueryBuilders are immutable, so when adding new where-clauses you get new instances. This
- *
- * DDD tip: Query objects are not executed immediately, so they
- * should be constructed in the domain model and handed over to
- * the UI, which can then further constrain it before actual
- * execution.
- */
-public interface QueryBuilder<T>
-{
-    /**
-     * Add a where-clause to the Query. Use {@link QueryExpressions}
-     * to create the expression.
-     *
-     * @param specification the where clause
-     *
-     * @return a new builder with the added where-clause
-     */
-    QueryBuilder<T> where( Predicate<Composite> specification );
-
-    /**
-     * Create a new query with the declared where-clauses that will be evaluated against the iterable entries.
-     *
-     * @param iterable collection of objects (composites?)
-     *
-     * @return a new Query instance
-     */
-    Query<T> newQuery( Iterable<T> iterable );
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/QueryBuilderFactory.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/QueryBuilderFactory.java b/core/api/src/main/java/org/apache/zest/api/query/QueryBuilderFactory.java
deleted file mode 100644
index 6aad9a3..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/QueryBuilderFactory.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query;
-
-/**
- * This is used to create QueryBuilders.
- *
- * @see QueryBuilder
- */
-public interface QueryBuilderFactory
-{
-    /**
-     * Create a new QueryBuilder.
-     *
-     * @param resultType the type of the result that you want
-     *
-     * @return a QueryBuilder
-     *
-     * @throws MissingIndexingSystemException if there is no EntityFinder service available
-     */
-    <T> QueryBuilder<T> newQueryBuilder( Class<T> resultType )
-        throws MissingIndexingSystemException;
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/QueryException.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/QueryException.java b/core/api/src/main/java/org/apache/zest/api/query/QueryException.java
deleted file mode 100644
index fe27b54..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/QueryException.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query;
-
-/**
- * Base class for Query exceptions.
- */
-public abstract class QueryException
-    extends RuntimeException
-{
-    private static final long serialVersionUID = -3602596752342902060L;
-
-    public QueryException()
-    {
-    }
-
-    public QueryException( final String message )
-    {
-        super( message );
-    }
-
-    public QueryException( final String message, final Throwable cause )
-    {
-        super( message, cause );
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/QueryExecutionException.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/QueryExecutionException.java b/core/api/src/main/java/org/apache/zest/api/query/QueryExecutionException.java
deleted file mode 100644
index 1360717..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/QueryExecutionException.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query;
-
-/**
- * Throw this exception if a query could not be executed
- */
-public final class QueryExecutionException
-    extends QueryException
-{
-    private static final long serialVersionUID = 5147421865890379209L;
-
-    public QueryExecutionException( String message )
-    {
-        super( message );
-    }
-
-    public QueryExecutionException( String message, Throwable cause )
-    {
-        super( message, cause );
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/QueryExpressionException.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/QueryExpressionException.java b/core/api/src/main/java/org/apache/zest/api/query/QueryExpressionException.java
deleted file mode 100644
index 4589915..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/QueryExpressionException.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query;
-
-/**
- * Throw this exception if a QueryExpression is invalid.
- */
-public class QueryExpressionException
-    extends QueryException
-{
-
-    private static final long serialVersionUID = 1L;
-
-    public QueryExpressionException( String message )
-    {
-        super( message );
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/QueryExpressions.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/QueryExpressions.java b/core/api/src/main/java/org/apache/zest/api/query/QueryExpressions.java
deleted file mode 100644
index ffd29eb..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/QueryExpressions.java
+++ /dev/null
@@ -1,940 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationHandler;
-import java.lang.reflect.Method;
-import java.lang.reflect.Proxy;
-import java.lang.reflect.Type;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Iterator;
-import java.util.List;
-import java.util.function.Predicate;
-import org.apache.zest.api.association.Association;
-import org.apache.zest.api.association.GenericAssociationInfo;
-import org.apache.zest.api.association.ManyAssociation;
-import org.apache.zest.api.association.NamedAssociation;
-import org.apache.zest.api.composite.Composite;
-import org.apache.zest.api.identity.HasIdentity;
-import org.apache.zest.api.identity.Identity;
-import org.apache.zest.api.injection.scope.State;
-import org.apache.zest.api.property.GenericPropertyInfo;
-import org.apache.zest.api.property.Property;
-import org.apache.zest.api.query.grammar.AndPredicate;
-import org.apache.zest.api.query.grammar.AssociationFunction;
-import org.apache.zest.api.query.grammar.AssociationNotNullPredicate;
-import org.apache.zest.api.query.grammar.AssociationNullPredicate;
-import org.apache.zest.api.query.grammar.ContainsAllPredicate;
-import org.apache.zest.api.query.grammar.ContainsPredicate;
-import org.apache.zest.api.query.grammar.EqPredicate;
-import org.apache.zest.api.query.grammar.GePredicate;
-import org.apache.zest.api.query.grammar.GtPredicate;
-import org.apache.zest.api.query.grammar.LePredicate;
-import org.apache.zest.api.query.grammar.LtPredicate;
-import org.apache.zest.api.query.grammar.ManyAssociationContainsPredicate;
-import org.apache.zest.api.query.grammar.ManyAssociationFunction;
-import org.apache.zest.api.query.grammar.MatchesPredicate;
-import org.apache.zest.api.query.grammar.NamedAssociationContainsNamePredicate;
-import org.apache.zest.api.query.grammar.NamedAssociationContainsPredicate;
-import org.apache.zest.api.query.grammar.NamedAssociationFunction;
-import org.apache.zest.api.query.grammar.NePredicate;
-import org.apache.zest.api.query.grammar.Notpredicate;
-import org.apache.zest.api.query.grammar.OrPredicate;
-import org.apache.zest.api.query.grammar.OrderBy;
-import org.apache.zest.api.query.grammar.PropertyFunction;
-import org.apache.zest.api.query.grammar.PropertyNotNullPredicate;
-import org.apache.zest.api.query.grammar.PropertyNullPredicate;
-import org.apache.zest.api.query.grammar.PropertyReference;
-import org.apache.zest.api.query.grammar.Variable;
-import org.apache.zest.api.util.NullArgumentException;
-
-import static org.apache.zest.api.identity.HasIdentity.IDENTITY_METHOD;
-
-/**
- * Static factory methods for query expressions and operators.
- */
-public final class QueryExpressions
-{
-    // This is used for eq(Association,Composite)
-
-    // Templates and variables -----------------------------------------------|
-
-    /**
-     * Create a Query Template using the given type.
-     *
-     * @param <T> the type of the template
-     * @param clazz a class declaring the type of the template
-     *
-     * @return a new Query Template
-     */
-    public static <T> T templateFor( Class<T> clazz )
-    {
-        NullArgumentException.validateNotNull( "Template class", clazz );
-
-        if( clazz.isInterface() )
-        {
-            return clazz.cast( Proxy.newProxyInstance( clazz.getClassLoader(),
-                                                       array( clazz ),
-                                                       new TemplateHandler<T>( null, null, null, null ) ) );
-        }
-        else
-        {
-            try
-            {
-                T mixin = clazz.newInstance();
-                for( Field field : clazz.getFields() )
-                {
-                    if( field.getAnnotation( State.class ) != null )
-                    {
-                        if( field.getType().equals( Property.class ) )
-                        {
-                            field.set( mixin,
-                                       Proxy.newProxyInstance( field.getType().getClassLoader(),
-                                                               array( field.getType() ),
-                                                               new PropertyReferenceHandler<>( new PropertyFunction<T>( null, null, null, null, field ) ) ) );
-                        }
-                        else if( field.getType().equals( Association.class ) )
-                        {
-                            field.set( mixin,
-                                       Proxy.newProxyInstance( field.getType().getClassLoader(),
-                                                               array( field.getType() ),
-                                                               new AssociationReferenceHandler<>( new AssociationFunction<T>( null, null, null, field ) ) ) );
-                        }
-                        else if( field.getType().equals( ManyAssociation.class ) )
-                        {
-                            field.set( mixin,
-                                       Proxy.newProxyInstance( field.getType().getClassLoader(),
-                                                               array( field.getType() ),
-                                                               new ManyAssociationReferenceHandler<>( new ManyAssociationFunction<T>( null, null, null, field ) ) ) );
-                        }
-                        else if( field.getType().equals( NamedAssociation.class ) )
-                        {
-                            field.set( mixin,
-                                       Proxy.newProxyInstance( field.getType().getClassLoader(),
-                                                               array( field.getType() ),
-                                                               new NamedAssociationReferenceHandler<>( new NamedAssociationFunction<T>( null, null, null, field ) ) ) );
-                        }
-                    }
-                }
-                return mixin;
-            }
-            catch( IllegalAccessException | IllegalArgumentException | InstantiationException | SecurityException e )
-            {
-                throw new IllegalArgumentException( "Cannot use class as template", e );
-            }
-        }
-    }
-
-    /**
-     * Create a Query Template using the given mixin class and association.
-     *
-     * @param <T> the type of the template
-     * @param mixinType  a class declaring the type of the template
-     * @param association an association
-     *
-     * @return a new Query Template
-     */
-    public static <T> T templateFor( final Class<T> mixinType, Association<?> association )
-    {
-        NullArgumentException.validateNotNull( "Mixin class", mixinType );
-        NullArgumentException.validateNotNull( "Association", association );
-        return mixinType.cast( Proxy.newProxyInstance( mixinType.getClassLoader(),
-                                                       array( mixinType ),
-                                                       new TemplateHandler<T>( null,
-                                                                               association( association ),
-                                                                               null,
-                                                                               null ) ) );
-    }
-
-    public static <T> T oneOf( final ManyAssociation<T> association )
-    {
-        NullArgumentException.validateNotNull( "Association", association );
-        return association.get( 0 );
-    }
-
-    public static <T> T oneOf( final NamedAssociation<T> association )
-    {
-        NullArgumentException.validateNotNull( "Association", association );
-        Iterator<String> iterator = association.iterator();
-        return association.get( iterator.hasNext() ? iterator.next() : null );
-    }
-
-    /**
-     * Create a new Query Variable.
-     *
-     * @param name a name for the Variable
-     *
-     * @return a new Query Variable.
-     */
-    public static Variable variable( String name )
-    {
-        NullArgumentException.validateNotNull( "Variable name", name );
-        return new Variable( name );
-    }
-
-    /**
-     * Create a new Query Template PropertyFunction.
-     *
-     * @param <T> type of the Property
-     * @param property a Property
-     *
-     * @return a new Query Template PropertyFunction
-     */
-    @SuppressWarnings( "unchecked" )
-    public static <T> PropertyFunction<T> property( Property<T> property )
-    {
-        return ( (PropertyReferenceHandler<T>) Proxy.getInvocationHandler( property ) ).property();
-    }
-
-    /**
-     * Create a new Query Property instance.
-     *
-     * @param <T> type of the Property
-     * @param mixinClass mixin of the Property
-     * @param fieldName name of the Property field
-     *
-     * @return a new Query Property instance for the given mixin and property name.
-     */
-    @SuppressWarnings( "unchecked" )
-    public static <T> Property<T> property( Class<?> mixinClass, String fieldName )
-    {
-        try
-        {
-            Field field = mixinClass.getField( fieldName );
-            if( !Property.class.isAssignableFrom( field.getType() ) )
-            {
-                throw new IllegalArgumentException( "Field must be of type Property<?>" );
-            }
-            return (Property<T>) Proxy.newProxyInstance(
-                mixinClass.getClassLoader(),
-                array( field.getType() ),
-                new PropertyReferenceHandler<>( new PropertyFunction<T>( null, null, null, null, field ) ) );
-        }
-        catch( NoSuchFieldException e )
-        {
-            throw new IllegalArgumentException( "No such field '" + fieldName + "' in mixin " + mixinClass.getName() );
-        }
-    }
-
-    /**
-     * Create a new Query Template AssociationFunction.
-     *
-     * @param <T> type of the Association
-     * @param association an Association
-     *
-     * @return a new Query Template AssociationFunction
-     */
-    @SuppressWarnings( "unchecked" )
-    public static <T> AssociationFunction<T> association( Association<T> association )
-    {
-        return ( (AssociationReferenceHandler<T>) Proxy.getInvocationHandler( association ) ).association();
-    }
-
-    /**
-     * Create a new Query Template ManyAssociationFunction.
-     *
-     * @param <T> type of the ManyAssociation
-     * @param association a ManyAssociation
-     *
-     * @return a new Query Template ManyAssociationFunction
-     */
-    @SuppressWarnings( "unchecked" )
-    public static <T> ManyAssociationFunction<T> manyAssociation( ManyAssociation<T> association )
-    {
-        return ( (ManyAssociationReferenceHandler<T>) Proxy.getInvocationHandler( association ) ).manyAssociation();
-    }
-
-    /**
-     * Create a new Query Template NamedAssociationFunction.
-     *
-     * @param <T> type of the NamedAssociation
-     * @param association a NamedAssociation
-     *
-     * @return a new Query Template NamedAssociationFunction
-     */
-    @SuppressWarnings( "unchecked" )
-    public static <T> NamedAssociationFunction<T> namedAssociation( NamedAssociation<T> association )
-    {
-        return ( (NamedAssociationReferenceHandler<T>) Proxy.getInvocationHandler( association ) ).namedAssociation();
-    }
-
-    // And/Or/Not ------------------------------------------------------------|
-    /**
-     * Create a new AND specification.
-     *
-     * @param left first operand
-     * @param right second operand
-     * @param optionalRight optional operands
-     *
-     * @return a new AND specification
-     */
-    @SafeVarargs
-    public static AndPredicate and( Predicate<Composite> left,
-                                    Predicate<Composite> right,
-                                    Predicate<Composite>... optionalRight
-    )
-    {
-        List<Predicate<Composite>> predicates = new ArrayList<>( 2 + optionalRight.length );
-        predicates.add( left );
-        predicates.add( right );
-        Collections.addAll( predicates, optionalRight );
-        return new AndPredicate( predicates );
-    }
-
-    /**
-     * Create a new OR specification.
-     *
-     * @param specs operands
-     *
-     * @return a new OR specification
-     */
-    @SafeVarargs
-    public static OrPredicate or( Predicate<Composite>... specs )
-    {
-        return new OrPredicate( Arrays.asList( specs ) );
-    }
-
-    /**
-     * Create a new NOT specification.
-     *
-     * @param operand specification to be negated
-     *
-     * @return a new NOT specification
-     */
-    public static Notpredicate not( Predicate<Composite> operand )
-    {
-        return new Notpredicate( operand );
-    }
-
-    // Comparisons -----------------------------------------------------------|
-
-    /**
-     * Create a new EQUALS specification for a Property.
-     *
-     * @param property a Property
-     * @param value its value
-     *
-     * @return a new EQUALS specification for a Property.
-     */
-    public static <T> EqPredicate<T> eq( Property<T> property, T value )
-    {
-        return new EqPredicate<>( property( property ), value );
-    }
-
-    /**
-     * Create a new EQUALS specification for a Property using a named Variable.
-     *
-     * @param property a Property
-     * @param variable a Query Variable
-     *
-     * @return a new EQUALS specification for a Property using a named Variable.
-     */
-    @SuppressWarnings( {"raw", "unchecked"} )
-    public static <T> EqPredicate<T> eq( Property<T> property, Variable variable )
-    {
-        return new EqPredicate( property( property ), variable );
-    }
-
-    /**
-     * Create a new EQUALS specification for an Association.
-     *
-     * @param association an Association
-     * @param value its value
-     *
-     * @return a new EQUALS specification for an Association.
-     */
-    public static <T> EqPredicate<Identity> eq( Association<T> association, T value )
-    {
-        return new EqPredicate<>(
-                new PropertyFunction<>(
-                        null,
-                        association(association),
-                        null,
-                        null,
-                        IDENTITY_METHOD),
-                ((HasIdentity) value).identity().get());
-    }
-
-    /**
-     * Create a new GREATER OR EQUALS specification for a Property.
-     *
-     * @param property a Property
-     * @param value its value
-     *
-     * @return a new GREATER OR EQUALS specification for a Property.
-     */
-    public static <T> GePredicate<T> ge( Property<T> property, T value )
-    {
-        return new GePredicate<>( property( property ), value );
-    }
-
-    /**
-     * Create a new GREATER OR EQUALS specification for a Property using a named Variable.
-     *
-     * @param property a Property
-     * @param variable a Query Variable
-     *
-     * @return a new GREATER OR EQUALS specification for a Property using a named Variable.
-     */
-    @SuppressWarnings( {"raw", "unchecked"} )
-    public static <T> GePredicate<T> ge( Property<T> property, Variable variable )
-    {
-        return new GePredicate( property( property ), variable );
-    }
-
-    /**
-     * Create a new GREATER THAN specification for a Property.
-     *
-     * @param property a Property
-     * @param value its value
-     *
-     * @return a new GREATER THAN specification for a Property.
-     */
-    public static <T> GtPredicate<T> gt( Property<T> property, T value )
-    {
-        return new GtPredicate<>( property( property ), value );
-    }
-
-    /**
-     * Create a new GREATER THAN specification for a Property using a named Variable.
-     *
-     * @param property a Property
-     * @param variable a Query Variable
-     *
-     * @return a new GREATER THAN specification for a Property using a named Variable.
-     */
-    @SuppressWarnings( {"raw", "unchecked"} )
-    public static <T> GtPredicate<T> gt( Property<T> property, Variable variable )
-    {
-        return new GtPredicate( property( property ), variable );
-    }
-
-    /**
-     * Create a new LESS OR EQUALS specification for a Property.
-     *
-     * @param property a Property
-     * @param value its value
-     *
-     * @return a new LESS OR EQUALS specification for a Property.
-     */
-    public static <T> LePredicate<T> le( Property<T> property, T value )
-    {
-        return new LePredicate<>( property( property ), value );
-    }
-
-    /**
-     * Create a new LESS OR EQUALS specification for a Property using a named Variable.
-     *
-     * @param property a Property
-     * @param variable a Query Variable
-     *
-     * @return a new LESS OR EQUALS specification for a Property using a named Variable.
-     */
-    @SuppressWarnings( {"raw", "unchecked"} )
-    public static <T> LePredicate<T> le( Property<T> property, Variable variable )
-    {
-        return new LePredicate( property( property ), variable );
-    }
-
-    /**
-     * Create a new LESSER THAN specification for a Property.
-     *
-     * @param property a Property
-     * @param value its value
-     *
-     * @return a new LESSER THAN specification for a Property.
-     */
-    public static <T> LtPredicate<T> lt( Property<T> property, T value )
-    {
-        return new LtPredicate<>( property( property ), value );
-    }
-
-    /**
-     * Create a new LESSER THAN specification for a Property using a named Variable.
-     *
-     * @param property a Property
-     * @param variable a Query Variable
-     *
-     * @return a new LESSER THAN specification for a Property using a named Variable.
-     */
-    @SuppressWarnings( {"raw", "unchecked"} )
-    public static <T> LtPredicate<T> lt( Property<T> property, Variable variable )
-    {
-        return new LtPredicate( property( property ), variable );
-    }
-
-    /**
-     * Create a new NOT EQUALS specification for a Property.
-     *
-     * @param property a Property
-     * @param value its value
-     *
-     * @return a new NOT EQUALS specification for a Property.
-     */
-    public static <T> NePredicate<T> ne( Property<T> property, T value )
-    {
-        return new NePredicate<>( property( property ), value );
-    }
-
-    /**
-     * Create a new NOT EQUALS specification for a Property using a named Variable.
-     *
-     * @param property a Property
-     * @param variable a Query Variable
-     *
-     * @return a new NOT EQUALS specification for a Property using a named Variable.
-     */
-    @SuppressWarnings( {"raw", "unchecked"} )
-    public static <T> NePredicate<T> ne( Property<T> property, Variable variable )
-    {
-        return new NePredicate( property( property ), variable );
-    }
-
-    /**
-     * Create a new REGULAR EXPRESSION specification for a Property.
-     *
-     * @param property a Property
-     * @param regexp its value
-     *
-     * @return a new REGULAR EXPRESSION specification for a Property.
-     */
-    public static MatchesPredicate matches( Property<String> property, String regexp )
-    {
-        return new MatchesPredicate( property( property ), regexp );
-    }
-
-    /**
-     * Create a new REGULAR EXPRESSION specification for a Property using a named Variable.
-     *
-     * @param property a Property
-     * @param variable a Query Variable
-     *
-     * @return a new REGULAR EXPRESSION specification for a Property using a named Variable.
-     */
-    public static MatchesPredicate matches( Property<String> property, Variable variable )
-    {
-        return new MatchesPredicate( property( property ), variable );
-    }
-
-    // Null checks -----------------------------------------------------------|
-
-    /**
-     * Create a new NOT NULL specification for a Property.
-     *
-     * @param property a Property
-     *
-     * @return a new NOT NULL specification for a Property.
-     */
-    public static <T> PropertyNotNullPredicate<T> isNotNull( Property<T> property )
-    {
-        return new PropertyNotNullPredicate<>( property( property ) );
-    }
-
-    /**
-     * Create a new NULL specification for a Property.
-     *
-     * @param property a Property
-     *
-     * @return a new NULL specification for a Property.
-     */
-    public static <T> PropertyNullPredicate<T> isNull( Property<T> property )
-    {
-        return new PropertyNullPredicate<>( property( property ) );
-    }
-
-    /**
-     * Create a new NOT NULL specification for an Association.
-     *
-     * @param association an Association
-     *
-     * @return a new NOT NULL specification for an Association.
-     */
-    public static <T> AssociationNotNullPredicate<T> isNotNull( Association<T> association )
-    {
-        return new AssociationNotNullPredicate<>( association( association ) );
-    }
-
-    /**
-     * Create a new NULL specification for an Association.
-     *
-     * @param association an Association
-     *
-     * @return a new NULL specification for an Association.
-     */
-    public static <T> AssociationNullPredicate<T> isNull( Association<T> association )
-    {
-        return new AssociationNullPredicate<>( association( association ) );
-    }
-
-    // Collections -----------------------------------------------------------|
-
-    /**
-     * Create a new CONTAINS ALL specification for a Collection Property.
-     *
-     * @param collectionProperty a Collection Property
-     * @param values its values
-     *
-     * @return a new CONTAINS ALL specification for a Collection Property.
-     */
-    public static <T> ContainsAllPredicate<T> containsAll( Property<? extends Collection<T>> collectionProperty,
-                                                           Collection<T> values )
-    {
-        NullArgumentException.validateNotNull( "Values", values );
-        return new ContainsAllPredicate<>( property( collectionProperty ), values );
-    }
-
-    /**
-     * Create a new CONTAINS ALL specification for a Collection Property using named Variables.
-     *
-     * @param collectionProperty a Collection Property
-     * @param variables named Variables
-     *
-     * @return a new CONTAINS ALL specification for a Collection Property using named Variables.
-     */
-    @SuppressWarnings( {"raw", "unchecked"} )
-    public static <T> ContainsAllPredicate<T> containsAllVariables(
-        Property<? extends Collection<T>> collectionProperty,
-        Collection<Variable> variables )
-    {
-        NullArgumentException.validateNotNull( "Variables", variables );
-        return new ContainsAllPredicate( property( collectionProperty ), variables );
-    }
-
-    /**
-     * Create a new CONTAINS specification for a Collection Property.
-     *
-     * @param collectionProperty a Collection Property
-     * @param value the value
-     *
-     * @return a new CONTAINS specification for a Collection Property.
-     */
-    public static <T> ContainsPredicate<T> contains( Property<? extends Collection<T>> collectionProperty,
-                                                         T value )
-    {
-        NullArgumentException.validateNotNull( "Value", value );
-        return new ContainsPredicate<>( property( collectionProperty ), value );
-    }
-
-    /**
-     * Create a new CONTAINS specification for a Collection Property using named Variables.
-     *
-     * @param collectionProperty a Collection Property
-     * @param variable named Variable
-     *
-     * @return a new CONTAINS specification for a Collection Property using named Variables.
-     */
-    @SuppressWarnings( {"raw", "unchecked"} )
-    public static <T> ContainsPredicate<T> contains( Property<? extends Collection<T>> collectionProperty,
-                                                         Variable variable )
-    {
-        NullArgumentException.validateNotNull( "Variable", variable );
-        return new ContainsPredicate( property( collectionProperty ), variable );
-    }
-
-    /**
-     * Create a new CONTAINS specification for a ManyAssociation.
-     *
-     * @param manyAssoc  a ManyAssociation
-     * @param value the value
-     *
-     * @return a new CONTAINS specification for a ManyAssociation.
-     */
-    public static <T> ManyAssociationContainsPredicate<T> contains( ManyAssociation<T> manyAssoc, T value )
-    {
-        return new ManyAssociationContainsPredicate<>( manyAssociation( manyAssoc ), value );
-    }
-
-    /**
-     * Create a new CONTAINS specification for a NamedAssociation.
-     *
-     * @param namedAssoc  a NamedAssociation
-     * @param value the value
-     *
-     * @return a new CONTAINS specification for a NamedAssociation.
-     */
-    public static <T> NamedAssociationContainsPredicate<T> contains( NamedAssociation<T> namedAssoc, T value )
-    {
-        return new NamedAssociationContainsPredicate<>( namedAssociation( namedAssoc ), value );
-    }
-
-    /**
-     * Create a new CONTAINS NAME specification for a NamedAssociation.
-     *
-     * @param namedAssoc  a NamedAssociation
-     * @param name the name
-     *
-     * @return a new CONTAINS NAME specification for a NamedAssociation.
-     */
-    public static <T> NamedAssociationContainsNamePredicate<T> containsName( NamedAssociation<T> namedAssoc,
-                                                                                 String name )
-    {
-        return new NamedAssociationContainsNamePredicate<>( namedAssociation( namedAssoc ), name );
-    }
-
-    // Ordering --------------------------------------------------------------|
-    /**
-     * Create a new Query ascending order segment for a Property.
-     *
-     * @param <T> type of the Property
-     * @param property a Property
-     *
-     * @return a new Query ascending order segment for a Property.
-     */
-    public static <T> OrderBy orderBy( final Property<T> property )
-    {
-        return orderBy( property, OrderBy.Order.ASCENDING );
-    }
-
-    /**
-     * Create a new Query ordering segment for a Property.
-     *
-     * @param <T> type of the Property
-     * @param property a Property
-     * @param order ascending or descending
-     *
-     * @return a new Query ordering segment for a Property.
-     */
-    public static <T> OrderBy orderBy( final Property<T> property, final OrderBy.Order order )
-    {
-        return new OrderBy( property( property ), order );
-    }
-
-    // Query Templates InvocationHandlers ------------------------------------|
-
-    private static class TemplateHandler<T>
-        implements InvocationHandler
-    {
-        private final PropertyFunction<?> compositeProperty;
-        private final AssociationFunction<?> compositeAssociation;
-        private final ManyAssociationFunction<?> compositeManyAssociation;
-        private final NamedAssociationFunction<?> compositeNamedAssociation;
-
-        private TemplateHandler( PropertyFunction<?> compositeProperty,
-                                 AssociationFunction<?> compositeAssociation,
-                                 ManyAssociationFunction<?> compositeManyAssociation,
-                                 NamedAssociationFunction<?> compositeNamedAssociation
-        )
-        {
-            this.compositeProperty = compositeProperty;
-            this.compositeAssociation = compositeAssociation;
-            this.compositeManyAssociation = compositeManyAssociation;
-            this.compositeNamedAssociation = compositeNamedAssociation;
-        }
-
-        @Override
-        public Object invoke( Object o, Method method, Object[] objects )
-            throws Throwable
-        {
-            if( Property.class.isAssignableFrom( method.getReturnType() ) )
-            {
-                return Proxy.newProxyInstance(
-                    method.getReturnType().getClassLoader(),
-                    array( method.getReturnType() ),
-                    new PropertyReferenceHandler<>( new PropertyFunction<T>( compositeProperty,
-                                                                             compositeAssociation,
-                                                                             compositeManyAssociation,
-                                                                             compositeNamedAssociation,
-                                                                             method ) ) );
-            }
-            else if( Association.class.isAssignableFrom( method.getReturnType() ) )
-            {
-                return Proxy.newProxyInstance(
-                    method.getReturnType().getClassLoader(),
-                    array( method.getReturnType() ),
-                    new AssociationReferenceHandler<>( new AssociationFunction<T>( compositeAssociation,
-                                                                                   compositeManyAssociation,
-                                                                                   compositeNamedAssociation,
-                                                                                   method ) ) );
-            }
-            else if( ManyAssociation.class.isAssignableFrom( method.getReturnType() ) )
-            {
-                return Proxy.newProxyInstance(
-                    method.getReturnType().getClassLoader(),
-                    array( method.getReturnType() ),
-                    new ManyAssociationReferenceHandler<>( new ManyAssociationFunction<T>( compositeAssociation,
-                                                                                           compositeManyAssociation,
-                                                                                           compositeNamedAssociation,
-                                                                                           method ) ) );
-            }
-            else if( NamedAssociation.class.isAssignableFrom( method.getReturnType() ) )
-            {
-                return Proxy.newProxyInstance(
-                    method.getReturnType().getClassLoader(),
-                    array( method.getReturnType() ),
-                    new NamedAssociationReferenceHandler<>( new NamedAssociationFunction<T>( compositeAssociation,
-                                                                                             compositeManyAssociation,
-                                                                                             compositeNamedAssociation,
-                                                                                             method ) ) );
-            }
-
-            return null;
-        }
-    }
-
-    private static class PropertyReferenceHandler<T>
-        implements InvocationHandler
-    {
-        private final PropertyFunction<T> property;
-
-        private PropertyReferenceHandler( PropertyFunction<T> property )
-        {
-            this.property = property;
-        }
-
-        private PropertyFunction<T> property()
-        {
-            return property;
-        }
-
-        @Override
-        public Object invoke( Object o, final Method method, Object[] objects )
-            throws Throwable
-        {
-            if( method.equals( Property.class.getMethod( "get" ) ) )
-            {
-                Type propertyType = GenericPropertyInfo.propertyTypeOf( property.accessor() );
-                if( propertyType.getClass().equals( Class.class ) )
-                {
-                    return Proxy.newProxyInstance( method.getDeclaringClass().getClassLoader(),
-                                                   array( (Class<?>) propertyType, PropertyReference.class ),
-                                                   new TemplateHandler<T>( property, null, null, null ) );
-                }
-            }
-
-            return null;
-        }
-    }
-
-    private static class AssociationReferenceHandler<T>
-        implements InvocationHandler
-    {
-        private final AssociationFunction<T> association;
-
-        private AssociationReferenceHandler( AssociationFunction<T> association )
-        {
-            this.association = association;
-        }
-
-        private AssociationFunction<T> association()
-        {
-            return association;
-        }
-
-        @Override
-        public Object invoke( Object o, final Method method, Object[] objects )
-            throws Throwable
-        {
-            if( method.equals( Association.class.getMethod( "get" ) ) )
-            {
-                Type associationType = GenericAssociationInfo.associationTypeOf( association.accessor() );
-                if( associationType.getClass().equals( Class.class ) )
-                {
-                    return Proxy.newProxyInstance( method.getDeclaringClass().getClassLoader(),
-                                                   array( (Class) associationType, PropertyReference.class ),
-                                                   new TemplateHandler<T>( null, association, null, null ) );
-                }
-            }
-
-            return null;
-        }
-    }
-
-    private static class ManyAssociationReferenceHandler<T>
-        implements InvocationHandler
-    {
-        private final ManyAssociationFunction<T> manyAssociation;
-
-        private ManyAssociationReferenceHandler( ManyAssociationFunction<T> manyAssociation )
-        {
-            this.manyAssociation = manyAssociation;
-        }
-
-        public ManyAssociationFunction<T> manyAssociation()
-        {
-            return manyAssociation;
-        }
-
-        @Override
-        public Object invoke( Object o, final Method method, Object[] objects )
-            throws Throwable
-        {
-            if( method.equals( ManyAssociation.class.getMethod( "get", Integer.TYPE ) ) )
-            {
-                Type manyAssociationType = GenericAssociationInfo.associationTypeOf( manyAssociation.accessor() );
-                if( manyAssociationType.getClass().equals( Class.class ) )
-                {
-                    return Proxy.newProxyInstance( method.getDeclaringClass().getClassLoader(),
-                                                   array( (Class) manyAssociationType, PropertyReference.class ),
-                                                   new TemplateHandler<T>( null, null, manyAssociation, null ) );
-                }
-            }
-
-            return null;
-        }
-    }
-
-    private static class NamedAssociationReferenceHandler<T>
-        implements InvocationHandler
-    {
-        private final NamedAssociationFunction<T> namedAssociation;
-
-        private NamedAssociationReferenceHandler( NamedAssociationFunction<T> namedAssociation )
-        {
-            this.namedAssociation = namedAssociation;
-        }
-
-        public NamedAssociationFunction<T> namedAssociation()
-        {
-            return namedAssociation;
-        }
-
-        @Override
-        public Object invoke( Object o, final Method method, Object[] objects )
-            throws Throwable
-        {
-            if( method.equals( NamedAssociation.class.getMethod( "get", String.class ) ) )
-            {
-                Type namedAssociationType = GenericAssociationInfo.associationTypeOf( namedAssociation.accessor() );
-                if( namedAssociationType.getClass().equals( Class.class ) )
-                {
-                    return Proxy.newProxyInstance( method.getDeclaringClass().getClassLoader(),
-                                                   array( (Class) namedAssociationType, PropertyReference.class ),
-                                                   new TemplateHandler<T>( null, null, null, namedAssociation ) );
-                }
-            }
-
-            return null;
-        }
-    }
-
-    @SafeVarargs
-    private static <T> T[] array( T... array )
-    {
-        return array;
-    }
-
-    private QueryExpressions()
-    {
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/AndPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/AndPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/AndPredicate.java
deleted file mode 100644
index bd6c694..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/AndPredicate.java
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-import java.util.Collection;
-import java.util.function.Predicate;
-import org.apache.zest.api.composite.Composite;
-
-/**
- * AND Specification.
- */
-public class AndPredicate
-    extends BinaryPredicate
-{
-    public AndPredicate( Collection<Predicate<Composite>> operands )
-    {
-        super( operands );
-    }
-
-    @Override
-    public boolean test( Composite item )
-    {
-        Predicate<Composite> master = t -> true;
-        for( Predicate<Composite> p : operands )
-        {
-            master = master.and( p );
-        }
-        return master.test( item );
-    }
-
-    @Override
-    public String toString()
-    {
-        StringBuilder sb = new StringBuilder( "(" );
-        String and = "";
-        for( Predicate<Composite> operand : operands )
-        {
-            sb.append( and ).append( operand );
-            and = " and ";
-        }
-        return sb.append( ")" ).toString();
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationFunction.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationFunction.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationFunction.java
deleted file mode 100644
index 965dcc0..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationFunction.java
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-import java.lang.reflect.AccessibleObject;
-import java.lang.reflect.Member;
-import java.lang.reflect.Proxy;
-import java.lang.reflect.Type;
-import java.util.function.Function;
-import org.apache.zest.api.association.Association;
-import org.apache.zest.api.association.AssociationStateHolder;
-import org.apache.zest.api.association.GenericAssociationInfo;
-import org.apache.zest.api.association.ManyAssociation;
-import org.apache.zest.api.association.NamedAssociation;
-import org.apache.zest.api.composite.Composite;
-import org.apache.zest.api.composite.CompositeInstance;
-import org.apache.zest.api.query.QueryExpressionException;
-import org.apache.zest.api.util.Classes;
-
-import static org.apache.zest.api.util.Classes.typeOf;
-
-/**
- * Function to get Entity Associations
- */
-public class AssociationFunction<T>
-    implements Function<Composite, Association<T>>
-{
-    private final AssociationFunction<?> traversedAssociation;
-    private final ManyAssociationFunction<?> traversedManyAssociation;
-    private final NamedAssociationFunction<?> traversedNamedAssociation;
-    private final AccessibleObject accessor;
-
-    public AssociationFunction( AssociationFunction<?> traversedAssociation,
-                                ManyAssociationFunction<?> traversedManyAssociation,
-                                NamedAssociationFunction<?> traversedNamedAssociation,
-                                AccessibleObject accessor
-    )
-    {
-        this.traversedAssociation = traversedAssociation;
-        this.traversedManyAssociation = traversedManyAssociation;
-        this.traversedNamedAssociation = traversedNamedAssociation;
-        this.accessor = accessor;
-
-        Type returnType = typeOf( accessor );
-        if( !Association.class.isAssignableFrom( Classes.RAW_CLASS.apply( returnType ) )
-            && !ManyAssociation.class.isAssignableFrom( Classes.RAW_CLASS.apply( returnType ) )
-            && !NamedAssociation.class.isAssignableFrom( Classes.RAW_CLASS.apply( returnType ) ) )
-        {
-            throw new QueryExpressionException( "Unsupported association type:" + returnType );
-        }
-        Type associationTypeAsType = GenericAssociationInfo.toAssociationType( returnType );
-        if( !( associationTypeAsType instanceof Class ) )
-        {
-            throw new QueryExpressionException( "Unsupported association type:" + associationTypeAsType );
-        }
-    }
-
-    public AssociationFunction<?> traversedAssociation()
-    {
-        return traversedAssociation;
-    }
-
-    public ManyAssociationFunction<?> traversedManyAssociation()
-    {
-        return traversedManyAssociation;
-    }
-
-    public NamedAssociationFunction<?> traversedNamedAssociation()
-    {
-        return traversedNamedAssociation;
-    }
-
-    public AccessibleObject accessor()
-    {
-        return accessor;
-    }
-
-    @Override
-    public Association<T> apply( Composite entity )
-    {
-        try
-        {
-            Object target = entity;
-            if( traversedAssociation != null )
-            {
-                Association<?> association = traversedAssociation.apply( entity );
-                if( association == null )
-                {
-                    return null;
-                }
-                target = association.get();
-            }
-            else if( traversedManyAssociation != null )
-            {
-                throw new IllegalArgumentException( "Cannot evaluate a ManyAssociation" );
-            }
-            else if( traversedNamedAssociation != null )
-            {
-                throw new IllegalArgumentException( "Cannot evaluate a NamedAssociation" );
-            }
-
-            if( target == null )
-            {
-                return null;
-            }
-
-            CompositeInstance handler = (CompositeInstance) Proxy.getInvocationHandler( target );
-            return ( (AssociationStateHolder) handler.state() ).associationFor( accessor );
-        }
-        catch( IllegalArgumentException e )
-        {
-            throw e;
-        }
-        catch( Throwable e )
-        {
-            throw new IllegalArgumentException( e );
-        }
-    }
-
-    @Override
-    public String toString()
-    {
-        if( traversedAssociation != null )
-        {
-            return traversedAssociation.toString() + "." + ( (Member) accessor ).getName();
-        }
-        else
-        {
-            return ( (Member) accessor ).getName();
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNotNullPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNotNullPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNotNullPredicate.java
deleted file mode 100644
index 29ce85e..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNotNullPredicate.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-import org.apache.zest.api.association.Association;
-import org.apache.zest.api.composite.Composite;
-
-/**
- * Association not null Specification.
- */
-public class AssociationNotNullPredicate<T>
-    extends ExpressionPredicate
-{
-    private AssociationFunction<T> association;
-
-    public AssociationNotNullPredicate( AssociationFunction<T> association )
-    {
-        this.association = association;
-    }
-
-    public AssociationFunction<T> association()
-    {
-        return association;
-    }
-
-    @Override
-    public boolean test( Composite item )
-    {
-        try
-        {
-            Association<T> assoc = association.apply( item );
-
-            if( assoc == null )
-            {
-                return false;
-            }
-
-            return assoc.get() != null;
-        }
-        catch( IllegalArgumentException e )
-        {
-            return false;
-        }
-    }
-
-    @Override
-    public String toString()
-    {
-        return association.toString() + " is not null";
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNullPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNullPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNullPredicate.java
deleted file mode 100644
index a304ae0..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNullPredicate.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-import org.apache.zest.api.association.Association;
-import org.apache.zest.api.composite.Composite;
-
-/**
- * Association null Specification.
- */
-public class AssociationNullPredicate<T>
-    extends ExpressionPredicate
-{
-    private AssociationFunction<T> association;
-
-    public AssociationNullPredicate( AssociationFunction<T> association )
-    {
-        this.association = association;
-    }
-
-    public AssociationFunction<T> association()
-    {
-        return association;
-    }
-
-    @Override
-    public boolean test( Composite item )
-    {
-        try
-        {
-            Association<T> assoc = association.apply( item );
-
-            if( assoc == null )
-            {
-                return true;
-            }
-
-            return assoc.get() == null;
-        }
-        catch( IllegalArgumentException e )
-        {
-            return true;
-        }
-    }
-
-    @Override
-    public String toString()
-    {
-        return association.toString() + " is null";
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/BinaryPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/BinaryPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/BinaryPredicate.java
deleted file mode 100644
index 4e2e218..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/BinaryPredicate.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.function.Predicate;
-import org.apache.zest.api.composite.Composite;
-
-/**
- * Base binary Specification, used for AND and OR Specifications..
- */
-public abstract class BinaryPredicate
-    extends ExpressionPredicate
-{
-    protected final Collection<Predicate<Composite>> operands;
-
-    protected BinaryPredicate( Collection<Predicate<Composite>> operands )
-    {
-        this.operands = Collections.unmodifiableCollection( operands );
-    }
-
-    public Collection<Predicate<Composite>> operands()
-    {
-        return operands;
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/ComparisonPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/ComparisonPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/ComparisonPredicate.java
deleted file mode 100644
index 41fb7f5..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/ComparisonPredicate.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-import org.apache.zest.api.composite.Composite;
-import org.apache.zest.api.property.Property;
-
-/**
- * Base comparison Specification.
- */
-public abstract class ComparisonPredicate<T>
-    extends ExpressionPredicate
-{
-    protected final PropertyFunction<T> property;
-    protected final T value;
-
-    public ComparisonPredicate( PropertyFunction<T> property, T value )
-    {
-        this.property = property;
-        this.value = value;
-    }
-
-    public PropertyFunction<T> property()
-    {
-        return property;
-    }
-
-    @Override
-    public final boolean test( Composite item )
-    {
-        try
-        {
-            Property<T> prop = property.apply( item );
-
-            if( prop == null )
-            {
-                return false;
-            }
-
-            T propValue = prop.get();
-            if( propValue == null )
-            {
-                return false;
-            }
-
-            return compare( propValue );
-        }
-        catch( IllegalArgumentException e )
-        {
-            return false;
-        }
-    }
-
-    protected abstract boolean compare( T value );
-
-    public T value()
-    {
-        return value;
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsAllPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsAllPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsAllPredicate.java
deleted file mode 100644
index 52a1b27..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsAllPredicate.java
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import org.apache.zest.api.composite.Composite;
-
-/**
- * Contains All Specification.
- */
-public class ContainsAllPredicate<T>
-    extends ExpressionPredicate
-{
-    private PropertyFunction<? extends Collection<T>> collectionProperty;
-    private Collection<T> valueCollection;
-
-    public ContainsAllPredicate( PropertyFunction<? extends Collection<T>> collectionProperty,
-                                 Collection<T> valueCollection
-    )
-    {
-        this.collectionProperty = collectionProperty;
-        this.valueCollection = Collections.unmodifiableCollection( valueCollection );
-    }
-
-    public PropertyFunction<? extends Collection<T>> collectionProperty()
-    {
-        return collectionProperty;
-    }
-
-    public Collection<T> containedValues()
-    {
-        return valueCollection;
-    }
-
-    @Override
-    public boolean test( Composite item )
-    {
-        Collection<T> collection = collectionProperty.apply( item ).get();
-
-        if( collection == null )
-        {
-            return false;
-        }
-
-        for( T value : valueCollection )
-        {
-            if( !collection.contains( value ) )
-            {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
-    @Override
-    public String toString()
-    {
-        return collectionProperty + " contains " + valueCollection;
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsPredicate.java
deleted file mode 100644
index c8b90fd..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsPredicate.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-import java.util.Collection;
-import org.apache.zest.api.composite.Composite;
-
-/**
- * Contains Specification.
- */
-public class ContainsPredicate<T>
-    extends ExpressionPredicate
-{
-    private PropertyFunction<? extends Collection<T>> collectionProperty;
-    private T value;
-
-    public ContainsPredicate( PropertyFunction<? extends Collection<T>> collectionProperty, T value )
-    {
-        this.collectionProperty = collectionProperty;
-        this.value = value;
-    }
-
-    public PropertyFunction<? extends Collection<T>> collectionProperty()
-    {
-        return collectionProperty;
-    }
-
-    public T value()
-    {
-        return value;
-    }
-
-    @Override
-    public boolean test( Composite item )
-    {
-        Collection<T> collection = collectionProperty.apply( item ).get();
-
-        if( collection == null )
-        {
-            return false;
-        }
-
-        return collection.contains( value );
-    }
-
-    @Override
-    public String toString()
-    {
-        return collectionProperty + " contains " + value;
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/EqPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/EqPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/EqPredicate.java
deleted file mode 100644
index d06b4e6..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/EqPredicate.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-/**
- * Equals Specification.
- */
-public class EqPredicate<T>
-    extends ComparisonPredicate<T>
-{
-    public EqPredicate( PropertyFunction<T> property, T value )
-    {
-        super( property, value );
-    }
-
-    @Override
-    protected boolean compare( T value )
-    {
-        return value.equals( this.value );
-    }
-
-    @Override
-    public String toString()
-    {
-        return property.toString() + "=" + value.toString();
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/ExpressionPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/ExpressionPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/ExpressionPredicate.java
deleted file mode 100644
index 4fca55d..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/ExpressionPredicate.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-import java.util.function.Predicate;
-import org.apache.zest.api.composite.Composite;
-
-/**
- * Base expression Specification.
- */
-public abstract class ExpressionPredicate
-    implements Predicate<Composite>
-{
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/GePredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/GePredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/GePredicate.java
deleted file mode 100644
index 232cff6..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/GePredicate.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-/**
- * Greater or equals Specification.
- */
-public class GePredicate<T>
-    extends ComparisonPredicate<T>
-{
-    public GePredicate( PropertyFunction<T> property, T value )
-    {
-        super( property, value );
-    }
-
-    @Override
-    @SuppressWarnings( "unchecked" )
-    protected boolean compare( T value )
-    {
-        return ( (Comparable) value ).compareTo( this.value ) >= 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        return property.toString() + ">=" + value.toString();
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/GtPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/GtPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/GtPredicate.java
deleted file mode 100644
index d26c8ee..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/GtPredicate.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-/**
- * Greater than Specification.
- */
-public class GtPredicate<T>
-    extends ComparisonPredicate<T>
-{
-    public GtPredicate( PropertyFunction<T> property, T value )
-    {
-        super( property, value );
-    }
-
-    @Override
-    @SuppressWarnings( "unchecked" )
-    protected boolean compare( T value )
-    {
-        return ( (Comparable) value ).compareTo( this.value ) > 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        return property.toString() + ">" + value.toString();
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/LePredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/LePredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/LePredicate.java
deleted file mode 100644
index 504ab91..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/LePredicate.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-/**
- * Less or equals Specification.
- */
-public class LePredicate<T>
-    extends ComparisonPredicate<T>
-{
-    public LePredicate( PropertyFunction<T> property, T value )
-    {
-        super( property, value );
-    }
-
-    @Override
-    @SuppressWarnings( "unchecked" )
-    protected boolean compare( T value )
-    {
-        return ( (Comparable) value ).compareTo( this.value ) <= 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        return property.toString() + "<=" + value.toString();
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/LtPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/LtPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/LtPredicate.java
deleted file mode 100644
index 8723743..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/LtPredicate.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-/**
- * Lesser than Specification.
- */
-public class LtPredicate<T>
-    extends ComparisonPredicate<T>
-{
-    public LtPredicate( PropertyFunction<T> property, T value )
-    {
-        super( property, value );
-    }
-
-    @Override
-    @SuppressWarnings( "unchecked" )
-    protected boolean compare( T value )
-    {
-        return ( (Comparable) value ).compareTo( this.value ) < 0;
-    }
-
-    @Override
-    public String toString()
-    {
-        return property.toString() + "<" + value.toString();
-    }
-}

http://git-wip-us.apache.org/repos/asf/zest-java/blob/1c722f44/core/api/src/main/java/org/apache/zest/api/query/grammar/ManyAssociationContainsPredicate.java
----------------------------------------------------------------------
diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/ManyAssociationContainsPredicate.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/ManyAssociationContainsPredicate.java
deleted file mode 100644
index 1e71ff8..0000000
--- a/core/api/src/main/java/org/apache/zest/api/query/grammar/ManyAssociationContainsPredicate.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *
- */
-package org.apache.zest.api.query.grammar;
-
-import org.apache.zest.api.association.ManyAssociation;
-import org.apache.zest.api.composite.Composite;
-
-/**
- * ManyAssociation Contains Specification.
- */
-public class ManyAssociationContainsPredicate<T>
-    extends ExpressionPredicate
-{
-    private final ManyAssociationFunction<T> manyAssociationFunction;
-    private final T value;
-
-    public ManyAssociationContainsPredicate( ManyAssociationFunction<T> manyAssociationFunction, T value )
-    {
-        this.manyAssociationFunction = manyAssociationFunction;
-        this.value = value;
-    }
-
-    public ManyAssociationFunction<T> manyAssociation()
-    {
-        return manyAssociationFunction;
-    }
-
-    public T value()
-    {
-        return value;
-    }
-
-    @Override
-    public boolean test( Composite item )
-    {
-        ManyAssociation<T> collection = manyAssociationFunction.apply( item );
-        if( collection == null )
-        {
-            return false;
-        }
-        return collection.contains( value );
-    }
-
-    @Override
-    public String toString()
-    {
-        return manyAssociationFunction + " contains:" + value;
-    }
-}