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Posted to commits@olingo.apache.org by mi...@apache.org on 2015/08/06 14:16:40 UTC

[3/3] olingo-odata4 git commit: [OLINGO-713] Renamed p5_queryoptions-tis to p5_queryoptions-tcs

[OLINGO-713] Renamed p5_queryoptions-tis to p5_queryoptions-tcs


Project: http://git-wip-us.apache.org/repos/asf/olingo-odata4/repo
Commit: http://git-wip-us.apache.org/repos/asf/olingo-odata4/commit/7ab63759
Tree: http://git-wip-us.apache.org/repos/asf/olingo-odata4/tree/7ab63759
Diff: http://git-wip-us.apache.org/repos/asf/olingo-odata4/diff/7ab63759

Branch: refs/heads/master
Commit: 7ab63759cc185bbed3f5eebbf8d9abc091603ed3
Parents: eb9fdd8
Author: Michael Bolz <mi...@sap.com>
Authored: Thu Aug 6 14:15:05 2015 +0200
Committer: Michael Bolz <mi...@sap.com>
Committed: Thu Aug 6 14:15:18 2015 +0200

----------------------------------------------------------------------
 samples/tutorials/p5_queryoptions-tcs/pom.xml   |  79 ++++++++++
 .../myservice/mynamespace/data/Storage.java     | 130 ++++++++++++++++
 .../mynamespace/service/DemoEdmProvider.java    | 154 +++++++++++++++++++
 .../service/DemoEntityCollectionProcessor.java  | 142 +++++++++++++++++
 .../service/DemoEntityProcessor.java            | 118 ++++++++++++++
 .../service/DemoPrimitiveProcessor.java         | 150 ++++++++++++++++++
 .../java/myservice/mynamespace/util/Util.java   | 105 +++++++++++++
 .../myservice/mynamespace/web/DemoServlet.java  |  76 +++++++++
 .../src/main/webapp/WEB-INF/web.xml             |  40 +++++
 .../src/main/webapp/index.jsp                   |  26 ++++
 samples/tutorials/p5_queryoptions-tis/pom.xml   |  79 ----------
 .../myservice/mynamespace/data/Storage.java     | 130 ----------------
 .../mynamespace/service/DemoEdmProvider.java    | 154 -------------------
 .../service/DemoEntityCollectionProcessor.java  | 142 -----------------
 .../service/DemoEntityProcessor.java            | 118 --------------
 .../service/DemoPrimitiveProcessor.java         | 150 ------------------
 .../java/myservice/mynamespace/util/Util.java   | 105 -------------
 .../myservice/mynamespace/web/DemoServlet.java  |  76 ---------
 .../src/main/webapp/WEB-INF/web.xml             |  40 -----
 .../src/main/webapp/index.jsp                   |  26 ----
 samples/tutorials/pom.xml                       |   2 +-
 21 files changed, 1021 insertions(+), 1021 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tcs/pom.xml
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tcs/pom.xml b/samples/tutorials/p5_queryoptions-tcs/pom.xml
new file mode 100755
index 0000000..d9b463e
--- /dev/null
+++ b/samples/tutorials/p5_queryoptions-tcs/pom.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    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.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>my.group.id</groupId>
+	<artifactId>DemoService-QueryOptions-TCS</artifactId>
+	<packaging>war</packaging>
+	<version>0.0.1</version>
+
+	<name>${project.artifactId}-Webapp</name>
+
+	<build>
+		<finalName>DemoService</finalName>
+	</build>
+
+	<properties>
+		<javax.version>2.5</javax.version>
+		<odata.version>4.0.0-beta-03</odata.version>
+		<slf4j.version>1.7.7</slf4j.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>servlet-api</artifactId>
+			<version>${javax.version}</version>
+			<scope>provided</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.apache.olingo</groupId>
+			<artifactId>odata-server-api</artifactId>
+			<version>${odata.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.olingo</groupId>
+			<artifactId>odata-server-core</artifactId>
+			<version>${odata.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.apache.olingo</groupId>
+			<artifactId>odata-commons-api</artifactId>
+			<version>${odata.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.olingo</groupId>
+			<artifactId>odata-commons-core</artifactId>
+			<version>${odata.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-simple</artifactId>
+			<version>${slf4j.version}</version>
+			<scope>runtime</scope>
+		</dependency>
+	</dependencies>
+</project>

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/data/Storage.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/data/Storage.java b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/data/Storage.java
new file mode 100755
index 0000000..2aa9fac
--- /dev/null
+++ b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/data/Storage.java
@@ -0,0 +1,130 @@
+/*
+ * 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 myservice.mynamespace.data;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+import myservice.mynamespace.service.DemoEdmProvider;
+import myservice.mynamespace.util.Util;
+
+import org.apache.olingo.commons.api.data.Entity;
+import org.apache.olingo.commons.api.data.EntityCollection;
+import org.apache.olingo.commons.api.data.Property;
+import org.apache.olingo.commons.api.data.ValueType;
+import org.apache.olingo.commons.api.edm.EdmEntitySet;
+import org.apache.olingo.commons.api.edm.EdmEntityType;
+import org.apache.olingo.commons.api.http.HttpStatusCode;
+import org.apache.olingo.server.api.ODataApplicationException;
+import org.apache.olingo.server.api.uri.UriParameter;
+
+public class Storage {
+
+	private List<Entity> productList;
+
+	public Storage() {
+		productList = new ArrayList<Entity>();
+		initSampleData();
+	}
+
+	/* PUBLIC FACADE */
+
+	public EntityCollection readEntitySetData(EdmEntitySet edmEntitySet)throws ODataApplicationException{
+
+		// actually, this is only required if we have more than one Entity Sets
+		if(edmEntitySet.getName().equals(DemoEdmProvider.ES_PRODUCTS_NAME)){
+			return getProducts();
+		}
+
+		return null;
+	}
+
+	public Entity readEntityData(EdmEntitySet edmEntitySet, List<UriParameter> keyParams)
+					throws ODataApplicationException{
+
+		EdmEntityType edmEntityType = edmEntitySet.getEntityType();
+
+		// actually, this is only required if we have more than one Entity Type
+		if(edmEntityType.getName().equals(DemoEdmProvider.ET_PRODUCT_NAME)){
+			return getProduct(edmEntityType, keyParams);
+		}
+
+		return null;
+	}
+
+
+
+	/*  INTERNAL */
+
+	private EntityCollection getProducts(){
+		EntityCollection retEntitySet = new EntityCollection();
+
+		for(Entity productEntity : this.productList){
+			   retEntitySet.getEntities().add(productEntity);
+		}
+
+		return retEntitySet;
+	}
+
+
+	private Entity getProduct(EdmEntityType edmEntityType, List<UriParameter> keyParams)
+					throws ODataApplicationException{
+
+		// the list of entities at runtime
+		EntityCollection entitySet = getProducts();
+		
+		/*  generic approach  to find the requested entity */
+		Entity requestedEntity = Util.findEntity(edmEntityType, entitySet, keyParams);
+		
+		if(requestedEntity == null){
+			// this variable is null if our data doesn't contain an entity for the requested key
+			// Throw suitable exception
+			throw new ODataApplicationException("Entity for requested key doesn't exist",
+          HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ENGLISH);
+		}
+
+		return requestedEntity;
+	}
+
+	/* HELPER */
+
+	private void initSampleData(){
+
+		// add some sample product entities
+		productList.add(new Entity()
+			.addProperty(new Property(null, "ID", ValueType.PRIMITIVE, 1))
+			.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "Notebook Basic 15"))
+			.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
+              "Notebook Basic, 1.7GHz - 15 XGA - 1024MB DDR2 SDRAM - 40GB")));
+
+		productList.add(new Entity()
+			.addProperty(new Property(null, "ID", ValueType.PRIMITIVE, 2))
+			.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "1UMTS PDA"))
+			.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
+              "Ultrafast 3G UMTS/HSDPA Pocket PC, supports GSM network")));
+
+		productList.add(new Entity()
+			.addProperty(new Property(null, "ID", ValueType.PRIMITIVE, 3))
+			.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "Ergo Screen"))
+			.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
+              "19 Optimum Resolution 1024 x 768 @ 85Hz, resolution 1280 x 960")));
+
+	}
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java
new file mode 100755
index 0000000..3c28a21
--- /dev/null
+++ b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java
@@ -0,0 +1,154 @@
+/*
+ * 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 myservice.mynamespace.service;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.olingo.commons.api.ODataException;
+import org.apache.olingo.commons.api.edm.EdmPrimitiveTypeKind;
+import org.apache.olingo.commons.api.edm.FullQualifiedName;
+import org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider;
+import org.apache.olingo.commons.api.edm.provider.CsdlEntityContainer;
+import org.apache.olingo.commons.api.edm.provider.CsdlEntityContainerInfo;
+import org.apache.olingo.commons.api.edm.provider.CsdlEntitySet;
+import org.apache.olingo.commons.api.edm.provider.CsdlEntityType;
+import org.apache.olingo.commons.api.edm.provider.CsdlProperty;
+import org.apache.olingo.commons.api.edm.provider.CsdlPropertyRef;
+import org.apache.olingo.commons.api.edm.provider.CsdlSchema;
+
+public class DemoEdmProvider extends CsdlAbstractEdmProvider {
+
+  // Service Namespace
+  public static final String NAMESPACE = "OData.Demo";
+
+  // EDM Container
+  public static final String CONTAINER_NAME = "Container";
+  public static final FullQualifiedName CONTAINER = new FullQualifiedName(NAMESPACE, CONTAINER_NAME);
+
+  // Entity Types Names
+  public static final String ET_PRODUCT_NAME = "Product";
+  public static final FullQualifiedName ET_PRODUCT_FQN = new FullQualifiedName(NAMESPACE, ET_PRODUCT_NAME);
+
+  // Entity Set Names
+  public static final String ES_PRODUCTS_NAME = "Products";
+
+  @Override
+  public CsdlEntityType getEntityType(FullQualifiedName entityTypeName)
+      throws ODataException {
+    // this method is called for one of the EntityTypes that are configured in the Schema
+    if (ET_PRODUCT_FQN.equals(entityTypeName)) {
+
+      // create EntityType properties
+      CsdlProperty id = new CsdlProperty().setName("ID").setType(
+          EdmPrimitiveTypeKind.Int32.getFullQualifiedName());
+      CsdlProperty name = new CsdlProperty().setName("Name").setType(
+          EdmPrimitiveTypeKind.String.getFullQualifiedName());
+      CsdlProperty description = new CsdlProperty().setName("Description").setType(
+          EdmPrimitiveTypeKind.String.getFullQualifiedName());
+
+      // create PropertyRef for Key element
+      CsdlPropertyRef propertyRef = new CsdlPropertyRef();
+      propertyRef.setName("ID");
+
+      // configure EntityType
+      CsdlEntityType entityType = new CsdlEntityType();
+      entityType.setName(ET_PRODUCT_NAME);
+      entityType.setProperties(Arrays.asList(id, name, description));
+      entityType.setKey(Collections.singletonList(propertyRef));
+
+      return entityType;
+    }
+
+    return null;
+
+  }
+
+  @Override
+  public CsdlEntitySet getEntitySet(FullQualifiedName entityContainer,
+      String entitySetName) throws ODataException {
+    if (entityContainer.equals(CONTAINER)) {
+      if (entitySetName.equals(ES_PRODUCTS_NAME)) {
+        CsdlEntitySet entitySet = new CsdlEntitySet();
+        entitySet.setName(ES_PRODUCTS_NAME);
+        entitySet.setType(ET_PRODUCT_FQN);
+
+        return entitySet;
+      }
+    }
+
+    return null;
+
+  }
+
+  @Override
+  public CsdlEntityContainerInfo getEntityContainerInfo(
+      FullQualifiedName entityContainerName) throws ODataException {
+    // This method is invoked when displaying the service document at
+    // e.g. http://localhost:8080/DemoService/DemoService.svc
+    if (entityContainerName == null || entityContainerName.equals(CONTAINER)) {
+      CsdlEntityContainerInfo entityContainerInfo = new CsdlEntityContainerInfo();
+      entityContainerInfo.setContainerName(CONTAINER);
+      return entityContainerInfo;
+    }
+
+    return null;
+
+  }
+
+  @Override
+  public List<CsdlSchema> getSchemas() throws ODataException {
+    // create Schema
+    CsdlSchema schema = new CsdlSchema();
+    schema.setNamespace(NAMESPACE);
+
+    // add EntityTypes
+    List<CsdlEntityType> entityTypes = new ArrayList<CsdlEntityType>();
+    entityTypes.add(getEntityType(ET_PRODUCT_FQN));
+    schema.setEntityTypes(entityTypes);
+
+    // add EntityContainer
+    schema.setEntityContainer(getEntityContainer());
+
+    // finally
+    List<CsdlSchema> schemas = new ArrayList<CsdlSchema>();
+    schemas.add(schema);
+
+    return schemas;
+
+  }
+
+  @Override
+  public CsdlEntityContainer getEntityContainer() throws ODataException {
+    // create EntitySets
+    List<CsdlEntitySet> entitySets = new ArrayList<CsdlEntitySet>();
+    entitySets.add(getEntitySet(CONTAINER, ES_PRODUCTS_NAME));
+
+    // create EntityContainer
+    CsdlEntityContainer entityContainer = new CsdlEntityContainer();
+    entityContainer.setName(CONTAINER_NAME);
+    entityContainer.setEntitySets(entitySets);
+
+    return entityContainer;
+
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
new file mode 100755
index 0000000..fc58c23
--- /dev/null
+++ b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
@@ -0,0 +1,142 @@
+/*
+ * 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 myservice.mynamespace.service;
+
+import java.io.InputStream;
+import java.util.List;
+import java.util.Locale;
+
+import myservice.mynamespace.data.Storage;
+
+import org.apache.olingo.commons.api.data.ContextURL;
+import org.apache.olingo.commons.api.data.Entity;
+import org.apache.olingo.commons.api.data.EntityCollection;
+import org.apache.olingo.commons.api.edm.EdmEntitySet;
+import org.apache.olingo.commons.api.edm.EdmEntityType;
+import org.apache.olingo.commons.api.format.ContentType;
+import org.apache.olingo.commons.api.format.ODataFormat;
+import org.apache.olingo.commons.api.http.HttpHeader;
+import org.apache.olingo.commons.api.http.HttpStatusCode;
+import org.apache.olingo.server.api.OData;
+import org.apache.olingo.server.api.ODataApplicationException;
+import org.apache.olingo.server.api.ODataRequest;
+import org.apache.olingo.server.api.ODataResponse;
+import org.apache.olingo.server.api.ServiceMetadata;
+import org.apache.olingo.server.api.processor.EntityCollectionProcessor;
+import org.apache.olingo.server.api.serializer.EntityCollectionSerializerOptions;
+import org.apache.olingo.server.api.serializer.ODataSerializer;
+import org.apache.olingo.server.api.serializer.SerializerException;
+import org.apache.olingo.server.api.serializer.SerializerResult;
+import org.apache.olingo.server.api.uri.UriInfo;
+import org.apache.olingo.server.api.uri.UriResource;
+import org.apache.olingo.server.api.uri.UriResourceEntitySet;
+import org.apache.olingo.server.api.uri.queryoption.CountOption;
+import org.apache.olingo.server.api.uri.queryoption.SkipOption;
+import org.apache.olingo.server.api.uri.queryoption.TopOption;
+
+public class DemoEntityCollectionProcessor implements EntityCollectionProcessor {
+
+  private OData odata;
+  private ServiceMetadata serviceMetadata;
+  private Storage storage;
+
+  public DemoEntityCollectionProcessor(Storage storage) {
+    this.storage = storage;
+  }
+
+  public void init(OData odata, ServiceMetadata serviceMetadata) {
+    this.odata = odata;
+    this.serviceMetadata = serviceMetadata;
+  }
+
+  public void readEntityCollection(ODataRequest request, ODataResponse response, UriInfo uriInfo,
+      ContentType responseFormat) throws ODataApplicationException, SerializerException {
+
+    // 1st retrieve the requested EntitySet from the uriInfo (representation of the parsed URI)
+    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
+    // in our example, the first segment is the EntitySet
+    UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
+    EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
+
+    // 2nd: fetch the data from backend for this requested EntitySetName and deliver as EntitySet
+    EntityCollection entityCollection = storage.readEntitySetData(edmEntitySet);
+
+    // 3rd: apply System Query Options
+    // modify the result set according to the query options, specified by the end user
+    List<Entity> entityList = entityCollection.getEntities();
+    EntityCollection returnEntityCollection = new EntityCollection();
+
+    // handle $count: always return the original number of entities, without considering $top and $skip
+    CountOption countOption = uriInfo.getCountOption();
+    if (countOption != null) {
+      boolean isCount = countOption.getValue();
+      if (isCount) {
+        returnEntityCollection.setCount(entityList.size());
+      }
+    }
+
+    // handle $skip
+    SkipOption skipOption = uriInfo.getSkipOption();
+    if (skipOption != null) {
+      int skipNumber = skipOption.getValue();
+      if (skipNumber >= 0 && skipNumber <= entityList.size()) {
+        entityList = entityList.subList(skipNumber, entityList.size());
+      } else {
+        throw new ODataApplicationException("Invalid value for $skip", HttpStatusCode.BAD_REQUEST.getStatusCode(),
+            Locale.ROOT);
+      }
+    }
+
+    // handle $top
+    TopOption topOption = uriInfo.getTopOption();
+    if (topOption != null) {
+      int topNumber = topOption.getValue();
+      if (topNumber >= 0 && topNumber <= entityList.size()) {
+        entityList = entityList.subList(0, topNumber);
+      } else {
+        throw new ODataApplicationException("Invalid value for $top", HttpStatusCode.BAD_REQUEST.getStatusCode(),
+            Locale.ROOT);
+      }
+    }
+
+    // after applying the system query options, create the EntityCollection based on the reduced list
+    for (Entity entity : entityList) {
+      returnEntityCollection.getEntities().add(entity);
+    }
+
+    // 4th: create a serializer based on the requested format (json)
+    ODataFormat format = ODataFormat.fromContentType(responseFormat);
+    ODataSerializer serializer = odata.createSerializer(format);
+
+    // and serialize the content: transform from the EntitySet object to InputStream
+    EdmEntityType edmEntityType = edmEntitySet.getEntityType();
+    ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build();
+
+    EntityCollectionSerializerOptions opts =
+        EntityCollectionSerializerOptions.with().contextURL(contextUrl).count(countOption).build();
+    SerializerResult serializerResult =
+        serializer.entityCollection(serviceMetadata, edmEntityType, returnEntityCollection, opts);
+    InputStream serializedContent = serializerResult.getContent();
+
+    // 5th: configure the response object: set the body, headers and status code
+    response.setContent(serializedContent);
+    response.setStatusCode(HttpStatusCode.OK.getStatusCode());
+    response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
+  }
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
new file mode 100755
index 0000000..81453a0
--- /dev/null
+++ b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
@@ -0,0 +1,118 @@
+/*
+ * 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 myservice.mynamespace.service;
+
+import java.io.InputStream;
+import java.util.List;
+import java.util.Locale;
+
+import myservice.mynamespace.data.Storage;
+
+import org.apache.olingo.commons.api.data.ContextURL;
+import org.apache.olingo.commons.api.data.Entity;
+import org.apache.olingo.commons.api.edm.EdmEntitySet;
+import org.apache.olingo.commons.api.edm.EdmEntityType;
+import org.apache.olingo.commons.api.format.ContentType;
+import org.apache.olingo.commons.api.format.ODataFormat;
+import org.apache.olingo.commons.api.http.HttpHeader;
+import org.apache.olingo.commons.api.http.HttpStatusCode;
+import org.apache.olingo.server.api.OData;
+import org.apache.olingo.server.api.ODataApplicationException;
+import org.apache.olingo.server.api.ODataRequest;
+import org.apache.olingo.server.api.ODataResponse;
+import org.apache.olingo.server.api.ServiceMetadata;
+import org.apache.olingo.server.api.deserializer.DeserializerException;
+import org.apache.olingo.server.api.processor.EntityProcessor;
+import org.apache.olingo.server.api.serializer.EntitySerializerOptions;
+import org.apache.olingo.server.api.serializer.ODataSerializer;
+import org.apache.olingo.server.api.serializer.SerializerException;
+import org.apache.olingo.server.api.serializer.SerializerResult;
+import org.apache.olingo.server.api.uri.UriInfo;
+import org.apache.olingo.server.api.uri.UriParameter;
+import org.apache.olingo.server.api.uri.UriResource;
+import org.apache.olingo.server.api.uri.UriResourceEntitySet;
+
+public class DemoEntityProcessor implements EntityProcessor {
+
+  private OData odata;
+  private ServiceMetadata serviceMetadata;
+  private Storage storage;
+
+  public DemoEntityProcessor(Storage storage) {
+    this.storage = storage;
+  }
+
+  public void init(OData odata, ServiceMetadata serviceMetadata) {
+    this.odata = odata;
+    this.serviceMetadata = serviceMetadata;
+  }
+
+  public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
+      throws ODataApplicationException, SerializerException {
+
+    // 1. retrieve the Entity Type
+    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
+    // Note: only in our example we can assume that the first segment is the EntitySet
+    UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
+    EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
+
+    // 2. retrieve the data from backend
+    List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
+    Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);
+
+    // 3. serialize
+    EdmEntityType entityType = edmEntitySet.getEntityType();
+
+    ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
+    // expand and select currently not supported
+    EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();
+
+    ODataFormat oDataFormat = ODataFormat.fromContentType(responseFormat);
+    ODataSerializer serializer = this.odata.createSerializer(oDataFormat);
+    SerializerResult serializerResult = serializer.entity(serviceMetadata, entityType, entity, options);
+    InputStream entityStream = serializerResult.getContent();
+
+    // 4. configure the response object
+    response.setContent(entityStream);
+    response.setStatusCode(HttpStatusCode.OK.getStatusCode());
+    response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
+  }
+
+  /*
+   * These processor methods are not handled in this tutorial
+   */
+
+  public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat,
+      ContentType responseFormat)
+      throws ODataApplicationException, DeserializerException, SerializerException {
+    throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
+  }
+
+  public void updateEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat,
+      ContentType responseFormat)
+      throws ODataApplicationException, DeserializerException, SerializerException {
+    throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
+  }
+
+  public void deleteEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo)
+      throws ODataApplicationException {
+    throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
new file mode 100755
index 0000000..64f7949
--- /dev/null
+++ b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
@@ -0,0 +1,150 @@
+/*
+ * 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 myservice.mynamespace.service;
+
+import java.io.InputStream;
+import java.util.List;
+import java.util.Locale;
+
+import myservice.mynamespace.data.Storage;
+
+import org.apache.olingo.commons.api.data.ContextURL;
+import org.apache.olingo.commons.api.data.Entity;
+import org.apache.olingo.commons.api.data.Property;
+import org.apache.olingo.commons.api.edm.EdmEntitySet;
+import org.apache.olingo.commons.api.edm.EdmPrimitiveType;
+import org.apache.olingo.commons.api.edm.EdmProperty;
+import org.apache.olingo.commons.api.format.ContentType;
+import org.apache.olingo.commons.api.format.ODataFormat;
+import org.apache.olingo.commons.api.http.HttpHeader;
+import org.apache.olingo.commons.api.http.HttpStatusCode;
+import org.apache.olingo.server.api.OData;
+import org.apache.olingo.server.api.ODataApplicationException;
+import org.apache.olingo.server.api.ODataRequest;
+import org.apache.olingo.server.api.ODataResponse;
+import org.apache.olingo.server.api.ServiceMetadata;
+import org.apache.olingo.server.api.deserializer.DeserializerException;
+import org.apache.olingo.server.api.processor.PrimitiveProcessor;
+import org.apache.olingo.server.api.serializer.ODataSerializer;
+import org.apache.olingo.server.api.serializer.PrimitiveSerializerOptions;
+import org.apache.olingo.server.api.serializer.SerializerException;
+import org.apache.olingo.server.api.serializer.SerializerResult;
+import org.apache.olingo.server.api.uri.UriInfo;
+import org.apache.olingo.server.api.uri.UriParameter;
+import org.apache.olingo.server.api.uri.UriResource;
+import org.apache.olingo.server.api.uri.UriResourceEntitySet;
+import org.apache.olingo.server.api.uri.UriResourceProperty;
+
+public class DemoPrimitiveProcessor implements PrimitiveProcessor {
+
+	private OData odata;
+	private Storage storage;
+
+	public DemoPrimitiveProcessor(Storage storage) {
+		this.storage = storage;
+	}
+
+	public void init(OData odata, ServiceMetadata serviceMetadata) {
+		this.odata = odata;
+
+	}
+
+	/*
+	 * In our example, the URL would be: http://localhost:8080/DemoService/DemoService.svc/Products(1)/Name
+	 * and the response:
+	 * {
+	 *	  @odata.context: "$metadata#Products/Name",
+	 *	  value: "Notebook Basic 15"
+	 * }
+	 * */
+	public void readPrimitive(ODataRequest request, ODataResponse response,
+								UriInfo uriInfo, ContentType responseFormat)
+								throws ODataApplicationException, SerializerException {
+
+		// 1. Retrieve info from URI
+		// 1.1. retrieve the info about the requested entity set
+		List<UriResource> resourceParts = uriInfo.getUriResourceParts();
+		// Note: only in our example we can rely that the first segment is the EntitySet
+		UriResourceEntitySet uriEntityset = (UriResourceEntitySet) resourceParts.get(0);
+		EdmEntitySet edmEntitySet = uriEntityset.getEntitySet();
+		// the key for the entity
+		List<UriParameter> keyPredicates = uriEntityset.getKeyPredicates();
+
+		// 1.2. retrieve the requested (Edm) property
+		// the last segment is the Property
+		UriResourceProperty uriProperty = (UriResourceProperty)resourceParts.get(resourceParts.size() -1);
+		EdmProperty edmProperty = uriProperty.getProperty();
+		String edmPropertyName = edmProperty.getName();
+		// in our example, we know we have only primitive types in our model
+		EdmPrimitiveType edmPropertyType = (EdmPrimitiveType) edmProperty.getType();
+
+
+		// 2. retrieve data from backend
+		// 2.1. retrieve the entity data, for which the property has to be read
+		Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);
+		if (entity == null) { // Bad request
+			throw new ODataApplicationException("Entity not found", HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ROOT);
+		}
+
+		// 2.2. retrieve the property data from the entity
+		Property property = entity.getProperty(edmPropertyName);
+		if (property == null) {
+			throw new ODataApplicationException("Property not found", HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ROOT);
+		}
+
+		// 3. serialize
+		Object value = property.getValue();
+		if (value != null) {
+			// 3.1. configure the serializer
+			ODataFormat format = ODataFormat.fromContentType(responseFormat);
+			ODataSerializer serializer = odata.createSerializer(format);
+
+			ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).navOrPropertyPath(edmPropertyName).build();
+			PrimitiveSerializerOptions options = PrimitiveSerializerOptions.with().contextURL(contextUrl).build();
+			// 3.2. serialize
+			SerializerResult serializerResult = serializer.primitive(edmPropertyType, property, options);
+			InputStream propertyStream = serializerResult.getContent();
+
+			//4. configure the response object
+			response.setContent(propertyStream);
+			response.setStatusCode(HttpStatusCode.OK.getStatusCode());
+			response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
+		} else {
+			// in case there's no value for the property, we can skip the serialization
+			response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
+		}
+	}
+
+
+
+	/*
+	 * These processor methods are not handled in this tutorial
+	 * */
+
+	public void updatePrimitive(ODataRequest request, ODataResponse response, UriInfo uriInfo,
+                              ContentType requestFormat, ContentType responseFormat)
+								throws ODataApplicationException, DeserializerException, SerializerException {
+		throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
+	}
+
+	public void deletePrimitive(ODataRequest request, ODataResponse response, UriInfo uriInfo)
+          throws ODataApplicationException {
+		throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
+	}
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/util/Util.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/util/Util.java b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/util/Util.java
new file mode 100755
index 0000000..c21d352
--- /dev/null
+++ b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/util/Util.java
@@ -0,0 +1,105 @@
+/*
+ * 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 myservice.mynamespace.util;
+
+import java.util.List;
+import java.util.Locale;
+
+import org.apache.olingo.commons.api.data.Entity;
+import org.apache.olingo.commons.api.data.EntityCollection;
+import org.apache.olingo.commons.api.edm.EdmEntitySet;
+import org.apache.olingo.commons.api.edm.EdmEntityType;
+import org.apache.olingo.commons.api.edm.EdmPrimitiveType;
+import org.apache.olingo.commons.api.edm.EdmPrimitiveTypeException;
+import org.apache.olingo.commons.api.edm.EdmProperty;
+import org.apache.olingo.commons.api.edm.EdmType;
+import org.apache.olingo.commons.api.http.HttpStatusCode;
+import org.apache.olingo.server.api.ODataApplicationException;
+import org.apache.olingo.server.api.uri.UriInfoResource;
+import org.apache.olingo.server.api.uri.UriParameter;
+import org.apache.olingo.server.api.uri.UriResource;
+import org.apache.olingo.server.api.uri.UriResourceEntitySet;
+
+public class Util {
+  
+  public static Entity findEntity(EdmEntityType edmEntityType, EntityCollection entitySet,
+                                  List<UriParameter> keyParams) throws ODataApplicationException {
+
+    List<Entity> entityList = entitySet.getEntities();
+
+    // loop over all entities in order to find that one that matches all keys in request
+    // e.g. contacts(ContactID=1, CompanyID=1)
+    for (Entity entity: entityList) {
+      boolean foundEntity = entityMatchesAllKeys(edmEntityType, entity, keyParams);
+      if (foundEntity) {
+        return entity;
+      }
+    }
+
+    return null;
+  }
+
+  public static boolean entityMatchesAllKeys(EdmEntityType edmEntityType, Entity entity, List<UriParameter> keyParams)
+          throws ODataApplicationException {
+
+    // loop over all keys
+    for (final UriParameter key : keyParams) {
+      // key
+      String keyName = key.getName();
+      String keyText = key.getText();
+
+      // Edm: we need this info for the comparison below
+      EdmProperty edmKeyProperty = (EdmProperty) edmEntityType.getProperty(keyName);
+      Boolean isNullable = edmKeyProperty.isNullable();
+      Integer maxLength = edmKeyProperty.getMaxLength();
+      Integer precision = edmKeyProperty.getPrecision();
+      Boolean isUnicode = edmKeyProperty.isUnicode();
+      Integer scale = edmKeyProperty.getScale();
+      // get the EdmType in order to compare
+      EdmType edmType = edmKeyProperty.getType();
+      EdmPrimitiveType edmPrimitiveType = (EdmPrimitiveType) edmType;
+
+      // Runtime data: the value of the current entity
+      // don't need to check for null, this is done in olingo library
+      Object valueObject = entity.getProperty(keyName).getValue();
+
+      // now need to compare the valueObject with the keyText String
+      // this is done using the type.valueToString
+      String valueAsString;
+      try {
+        valueAsString = edmPrimitiveType.valueToString(valueObject, isNullable, maxLength, precision, scale, isUnicode);
+      } catch (EdmPrimitiveTypeException e) {
+        throw new ODataApplicationException("Failed to retrieve String value", HttpStatusCode.INTERNAL_SERVER_ERROR
+                .getStatusCode(), Locale.ENGLISH, e);
+      }
+
+      if (valueAsString == null) {
+        return false;
+      }
+
+      boolean matches = valueAsString.equals(keyText);
+      if (!matches) {
+        // if any of the key properties is not found in the entity, we don't need to search further
+        return false;
+      }
+    }
+
+    return true;
+  }
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/web/DemoServlet.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/web/DemoServlet.java b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/web/DemoServlet.java
new file mode 100755
index 0000000..fe5cdbb
--- /dev/null
+++ b/samples/tutorials/p5_queryoptions-tcs/src/main/java/myservice/mynamespace/web/DemoServlet.java
@@ -0,0 +1,76 @@
+/*
+ * 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 myservice.mynamespace.web;
+
+import java.io.IOException;
+import java.lang.Override;import java.lang.RuntimeException;import java.util.ArrayList;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import myservice.mynamespace.data.Storage;
+import myservice.mynamespace.service.DemoEdmProvider;
+import myservice.mynamespace.service.DemoEntityCollectionProcessor;
+import myservice.mynamespace.service.DemoEntityProcessor;
+import myservice.mynamespace.service.DemoPrimitiveProcessor;
+
+import org.apache.olingo.server.api.OData;
+import org.apache.olingo.server.api.ODataHttpHandler;
+import org.apache.olingo.server.api.ServiceMetadata;
+import org.apache.olingo.server.api.edmx.EdmxReference;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class DemoServlet extends HttpServlet {
+
+  private static final long serialVersionUID = 1L;
+  private static final Logger LOG = LoggerFactory.getLogger(DemoServlet.class);
+
+
+  @Override
+  protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+    try {
+      HttpSession session = req.getSession(true);
+      Storage storage = (Storage) session.getAttribute(Storage.class.getName());
+      if (storage == null) {
+        storage = new Storage();
+        session.setAttribute(Storage.class.getName(), storage);
+      }
+
+      // create odata handler and configure it with EdmProvider and Processor
+      OData odata = OData.newInstance();
+      ServiceMetadata edm = odata.createServiceMetadata(new DemoEdmProvider(), new ArrayList<EdmxReference>());
+      ODataHttpHandler handler = odata.createHandler(edm);
+      handler.register(new DemoEntityCollectionProcessor(storage));
+      handler.register(new DemoEntityProcessor(storage));
+      handler.register(new DemoPrimitiveProcessor(storage));
+
+      // let the handler do the work
+      handler.process(req, resp);
+    } catch (RuntimeException e) {
+      LOG.error("Server Error occurred in ExampleServlet", e);
+      throw new ServletException(e);
+    }
+
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tcs/src/main/webapp/WEB-INF/web.xml
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tcs/src/main/webapp/WEB-INF/web.xml b/samples/tutorials/p5_queryoptions-tcs/src/main/webapp/WEB-INF/web.xml
new file mode 100755
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--- /dev/null
+++ b/samples/tutorials/p5_queryoptions-tcs/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  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.
+-->
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
+    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
+				 id="WebApp_ID" version="2.5">
+
+	<!-- Register the HttpServlet implementation -->
+	<servlet>
+	  <servlet-name>DemoServlet</servlet-name>
+	  <servlet-class>myservice.mynamespace.web.DemoServlet</servlet-class>
+	  <load-on-startup>1</load-on-startup>
+	</servlet>
+	
+	<!-- 
+		Our OData service can be invoked at 
+		http://localhost:8080/DemoService/DemoService.svc
+	-->
+	<servlet-mapping>
+	  <servlet-name>DemoServlet</servlet-name>
+	  <url-pattern>/DemoService.svc/*</url-pattern>
+	</servlet-mapping>
+</web-app>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tcs/src/main/webapp/index.jsp
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tcs/src/main/webapp/index.jsp b/samples/tutorials/p5_queryoptions-tcs/src/main/webapp/index.jsp
new file mode 100755
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--- /dev/null
+++ b/samples/tutorials/p5_queryoptions-tcs/src/main/webapp/index.jsp
@@ -0,0 +1,26 @@
+<!--
+
+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.
+
+-->
+<html>
+<body>
+<h2>Hello World!</h2>
+<a href="DemoService.svc/">OData Olingo V4 Demo Service</a>
+</body>
+</html>

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tis/pom.xml
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tis/pom.xml b/samples/tutorials/p5_queryoptions-tis/pom.xml
deleted file mode 100755
index db1e18c..0000000
--- a/samples/tutorials/p5_queryoptions-tis/pom.xml
+++ /dev/null
@@ -1,79 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-
-    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.
-
--->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<groupId>my.group.id</groupId>
-	<artifactId>DemoService-QueryOptions-TIS</artifactId>
-	<packaging>war</packaging>
-	<version>0.0.1</version>
-
-	<name>${project.artifactId}-Webapp</name>
-
-	<build>
-		<finalName>DemoService</finalName>
-	</build>
-
-	<properties>
-		<javax.version>2.5</javax.version>
-		<odata.version>4.0.0-beta-03</odata.version>
-		<slf4j.version>1.7.7</slf4j.version>
-	</properties>
-
-	<dependencies>
-		<dependency>
-			<groupId>javax.servlet</groupId>
-			<artifactId>servlet-api</artifactId>
-			<version>${javax.version}</version>
-			<scope>provided</scope>
-		</dependency>
-
-		<dependency>
-			<groupId>org.apache.olingo</groupId>
-			<artifactId>odata-server-api</artifactId>
-			<version>${odata.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.olingo</groupId>
-			<artifactId>odata-server-core</artifactId>
-			<version>${odata.version}</version>
-		</dependency>
-
-		<dependency>
-			<groupId>org.apache.olingo</groupId>
-			<artifactId>odata-commons-api</artifactId>
-			<version>${odata.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.olingo</groupId>
-			<artifactId>odata-commons-core</artifactId>
-			<version>${odata.version}</version>
-		</dependency>
-
-		<dependency>
-			<groupId>org.slf4j</groupId>
-			<artifactId>slf4j-simple</artifactId>
-			<version>${slf4j.version}</version>
-			<scope>runtime</scope>
-		</dependency>
-	</dependencies>
-</project>

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/data/Storage.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/data/Storage.java b/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/data/Storage.java
deleted file mode 100755
index 2aa9fac..0000000
--- a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/data/Storage.java
+++ /dev/null
@@ -1,130 +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 myservice.mynamespace.data;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Locale;
-
-import myservice.mynamespace.service.DemoEdmProvider;
-import myservice.mynamespace.util.Util;
-
-import org.apache.olingo.commons.api.data.Entity;
-import org.apache.olingo.commons.api.data.EntityCollection;
-import org.apache.olingo.commons.api.data.Property;
-import org.apache.olingo.commons.api.data.ValueType;
-import org.apache.olingo.commons.api.edm.EdmEntitySet;
-import org.apache.olingo.commons.api.edm.EdmEntityType;
-import org.apache.olingo.commons.api.http.HttpStatusCode;
-import org.apache.olingo.server.api.ODataApplicationException;
-import org.apache.olingo.server.api.uri.UriParameter;
-
-public class Storage {
-
-	private List<Entity> productList;
-
-	public Storage() {
-		productList = new ArrayList<Entity>();
-		initSampleData();
-	}
-
-	/* PUBLIC FACADE */
-
-	public EntityCollection readEntitySetData(EdmEntitySet edmEntitySet)throws ODataApplicationException{
-
-		// actually, this is only required if we have more than one Entity Sets
-		if(edmEntitySet.getName().equals(DemoEdmProvider.ES_PRODUCTS_NAME)){
-			return getProducts();
-		}
-
-		return null;
-	}
-
-	public Entity readEntityData(EdmEntitySet edmEntitySet, List<UriParameter> keyParams)
-					throws ODataApplicationException{
-
-		EdmEntityType edmEntityType = edmEntitySet.getEntityType();
-
-		// actually, this is only required if we have more than one Entity Type
-		if(edmEntityType.getName().equals(DemoEdmProvider.ET_PRODUCT_NAME)){
-			return getProduct(edmEntityType, keyParams);
-		}
-
-		return null;
-	}
-
-
-
-	/*  INTERNAL */
-
-	private EntityCollection getProducts(){
-		EntityCollection retEntitySet = new EntityCollection();
-
-		for(Entity productEntity : this.productList){
-			   retEntitySet.getEntities().add(productEntity);
-		}
-
-		return retEntitySet;
-	}
-
-
-	private Entity getProduct(EdmEntityType edmEntityType, List<UriParameter> keyParams)
-					throws ODataApplicationException{
-
-		// the list of entities at runtime
-		EntityCollection entitySet = getProducts();
-		
-		/*  generic approach  to find the requested entity */
-		Entity requestedEntity = Util.findEntity(edmEntityType, entitySet, keyParams);
-		
-		if(requestedEntity == null){
-			// this variable is null if our data doesn't contain an entity for the requested key
-			// Throw suitable exception
-			throw new ODataApplicationException("Entity for requested key doesn't exist",
-          HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ENGLISH);
-		}
-
-		return requestedEntity;
-	}
-
-	/* HELPER */
-
-	private void initSampleData(){
-
-		// add some sample product entities
-		productList.add(new Entity()
-			.addProperty(new Property(null, "ID", ValueType.PRIMITIVE, 1))
-			.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "Notebook Basic 15"))
-			.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
-              "Notebook Basic, 1.7GHz - 15 XGA - 1024MB DDR2 SDRAM - 40GB")));
-
-		productList.add(new Entity()
-			.addProperty(new Property(null, "ID", ValueType.PRIMITIVE, 2))
-			.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "1UMTS PDA"))
-			.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
-              "Ultrafast 3G UMTS/HSDPA Pocket PC, supports GSM network")));
-
-		productList.add(new Entity()
-			.addProperty(new Property(null, "ID", ValueType.PRIMITIVE, 3))
-			.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "Ergo Screen"))
-			.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
-              "19 Optimum Resolution 1024 x 768 @ 85Hz, resolution 1280 x 960")));
-
-	}
-}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java b/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java
deleted file mode 100755
index 3c28a21..0000000
--- a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEdmProvider.java
+++ /dev/null
@@ -1,154 +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 myservice.mynamespace.service;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-
-import org.apache.olingo.commons.api.ODataException;
-import org.apache.olingo.commons.api.edm.EdmPrimitiveTypeKind;
-import org.apache.olingo.commons.api.edm.FullQualifiedName;
-import org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider;
-import org.apache.olingo.commons.api.edm.provider.CsdlEntityContainer;
-import org.apache.olingo.commons.api.edm.provider.CsdlEntityContainerInfo;
-import org.apache.olingo.commons.api.edm.provider.CsdlEntitySet;
-import org.apache.olingo.commons.api.edm.provider.CsdlEntityType;
-import org.apache.olingo.commons.api.edm.provider.CsdlProperty;
-import org.apache.olingo.commons.api.edm.provider.CsdlPropertyRef;
-import org.apache.olingo.commons.api.edm.provider.CsdlSchema;
-
-public class DemoEdmProvider extends CsdlAbstractEdmProvider {
-
-  // Service Namespace
-  public static final String NAMESPACE = "OData.Demo";
-
-  // EDM Container
-  public static final String CONTAINER_NAME = "Container";
-  public static final FullQualifiedName CONTAINER = new FullQualifiedName(NAMESPACE, CONTAINER_NAME);
-
-  // Entity Types Names
-  public static final String ET_PRODUCT_NAME = "Product";
-  public static final FullQualifiedName ET_PRODUCT_FQN = new FullQualifiedName(NAMESPACE, ET_PRODUCT_NAME);
-
-  // Entity Set Names
-  public static final String ES_PRODUCTS_NAME = "Products";
-
-  @Override
-  public CsdlEntityType getEntityType(FullQualifiedName entityTypeName)
-      throws ODataException {
-    // this method is called for one of the EntityTypes that are configured in the Schema
-    if (ET_PRODUCT_FQN.equals(entityTypeName)) {
-
-      // create EntityType properties
-      CsdlProperty id = new CsdlProperty().setName("ID").setType(
-          EdmPrimitiveTypeKind.Int32.getFullQualifiedName());
-      CsdlProperty name = new CsdlProperty().setName("Name").setType(
-          EdmPrimitiveTypeKind.String.getFullQualifiedName());
-      CsdlProperty description = new CsdlProperty().setName("Description").setType(
-          EdmPrimitiveTypeKind.String.getFullQualifiedName());
-
-      // create PropertyRef for Key element
-      CsdlPropertyRef propertyRef = new CsdlPropertyRef();
-      propertyRef.setName("ID");
-
-      // configure EntityType
-      CsdlEntityType entityType = new CsdlEntityType();
-      entityType.setName(ET_PRODUCT_NAME);
-      entityType.setProperties(Arrays.asList(id, name, description));
-      entityType.setKey(Collections.singletonList(propertyRef));
-
-      return entityType;
-    }
-
-    return null;
-
-  }
-
-  @Override
-  public CsdlEntitySet getEntitySet(FullQualifiedName entityContainer,
-      String entitySetName) throws ODataException {
-    if (entityContainer.equals(CONTAINER)) {
-      if (entitySetName.equals(ES_PRODUCTS_NAME)) {
-        CsdlEntitySet entitySet = new CsdlEntitySet();
-        entitySet.setName(ES_PRODUCTS_NAME);
-        entitySet.setType(ET_PRODUCT_FQN);
-
-        return entitySet;
-      }
-    }
-
-    return null;
-
-  }
-
-  @Override
-  public CsdlEntityContainerInfo getEntityContainerInfo(
-      FullQualifiedName entityContainerName) throws ODataException {
-    // This method is invoked when displaying the service document at
-    // e.g. http://localhost:8080/DemoService/DemoService.svc
-    if (entityContainerName == null || entityContainerName.equals(CONTAINER)) {
-      CsdlEntityContainerInfo entityContainerInfo = new CsdlEntityContainerInfo();
-      entityContainerInfo.setContainerName(CONTAINER);
-      return entityContainerInfo;
-    }
-
-    return null;
-
-  }
-
-  @Override
-  public List<CsdlSchema> getSchemas() throws ODataException {
-    // create Schema
-    CsdlSchema schema = new CsdlSchema();
-    schema.setNamespace(NAMESPACE);
-
-    // add EntityTypes
-    List<CsdlEntityType> entityTypes = new ArrayList<CsdlEntityType>();
-    entityTypes.add(getEntityType(ET_PRODUCT_FQN));
-    schema.setEntityTypes(entityTypes);
-
-    // add EntityContainer
-    schema.setEntityContainer(getEntityContainer());
-
-    // finally
-    List<CsdlSchema> schemas = new ArrayList<CsdlSchema>();
-    schemas.add(schema);
-
-    return schemas;
-
-  }
-
-  @Override
-  public CsdlEntityContainer getEntityContainer() throws ODataException {
-    // create EntitySets
-    List<CsdlEntitySet> entitySets = new ArrayList<CsdlEntitySet>();
-    entitySets.add(getEntitySet(CONTAINER, ES_PRODUCTS_NAME));
-
-    // create EntityContainer
-    CsdlEntityContainer entityContainer = new CsdlEntityContainer();
-    entityContainer.setName(CONTAINER_NAME);
-    entityContainer.setEntitySets(entitySets);
-
-    return entityContainer;
-
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java b/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
deleted file mode 100755
index fc58c23..0000000
--- a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEntityCollectionProcessor.java
+++ /dev/null
@@ -1,142 +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 myservice.mynamespace.service;
-
-import java.io.InputStream;
-import java.util.List;
-import java.util.Locale;
-
-import myservice.mynamespace.data.Storage;
-
-import org.apache.olingo.commons.api.data.ContextURL;
-import org.apache.olingo.commons.api.data.Entity;
-import org.apache.olingo.commons.api.data.EntityCollection;
-import org.apache.olingo.commons.api.edm.EdmEntitySet;
-import org.apache.olingo.commons.api.edm.EdmEntityType;
-import org.apache.olingo.commons.api.format.ContentType;
-import org.apache.olingo.commons.api.format.ODataFormat;
-import org.apache.olingo.commons.api.http.HttpHeader;
-import org.apache.olingo.commons.api.http.HttpStatusCode;
-import org.apache.olingo.server.api.OData;
-import org.apache.olingo.server.api.ODataApplicationException;
-import org.apache.olingo.server.api.ODataRequest;
-import org.apache.olingo.server.api.ODataResponse;
-import org.apache.olingo.server.api.ServiceMetadata;
-import org.apache.olingo.server.api.processor.EntityCollectionProcessor;
-import org.apache.olingo.server.api.serializer.EntityCollectionSerializerOptions;
-import org.apache.olingo.server.api.serializer.ODataSerializer;
-import org.apache.olingo.server.api.serializer.SerializerException;
-import org.apache.olingo.server.api.serializer.SerializerResult;
-import org.apache.olingo.server.api.uri.UriInfo;
-import org.apache.olingo.server.api.uri.UriResource;
-import org.apache.olingo.server.api.uri.UriResourceEntitySet;
-import org.apache.olingo.server.api.uri.queryoption.CountOption;
-import org.apache.olingo.server.api.uri.queryoption.SkipOption;
-import org.apache.olingo.server.api.uri.queryoption.TopOption;
-
-public class DemoEntityCollectionProcessor implements EntityCollectionProcessor {
-
-  private OData odata;
-  private ServiceMetadata serviceMetadata;
-  private Storage storage;
-
-  public DemoEntityCollectionProcessor(Storage storage) {
-    this.storage = storage;
-  }
-
-  public void init(OData odata, ServiceMetadata serviceMetadata) {
-    this.odata = odata;
-    this.serviceMetadata = serviceMetadata;
-  }
-
-  public void readEntityCollection(ODataRequest request, ODataResponse response, UriInfo uriInfo,
-      ContentType responseFormat) throws ODataApplicationException, SerializerException {
-
-    // 1st retrieve the requested EntitySet from the uriInfo (representation of the parsed URI)
-    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
-    // in our example, the first segment is the EntitySet
-    UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
-    EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
-
-    // 2nd: fetch the data from backend for this requested EntitySetName and deliver as EntitySet
-    EntityCollection entityCollection = storage.readEntitySetData(edmEntitySet);
-
-    // 3rd: apply System Query Options
-    // modify the result set according to the query options, specified by the end user
-    List<Entity> entityList = entityCollection.getEntities();
-    EntityCollection returnEntityCollection = new EntityCollection();
-
-    // handle $count: always return the original number of entities, without considering $top and $skip
-    CountOption countOption = uriInfo.getCountOption();
-    if (countOption != null) {
-      boolean isCount = countOption.getValue();
-      if (isCount) {
-        returnEntityCollection.setCount(entityList.size());
-      }
-    }
-
-    // handle $skip
-    SkipOption skipOption = uriInfo.getSkipOption();
-    if (skipOption != null) {
-      int skipNumber = skipOption.getValue();
-      if (skipNumber >= 0 && skipNumber <= entityList.size()) {
-        entityList = entityList.subList(skipNumber, entityList.size());
-      } else {
-        throw new ODataApplicationException("Invalid value for $skip", HttpStatusCode.BAD_REQUEST.getStatusCode(),
-            Locale.ROOT);
-      }
-    }
-
-    // handle $top
-    TopOption topOption = uriInfo.getTopOption();
-    if (topOption != null) {
-      int topNumber = topOption.getValue();
-      if (topNumber >= 0 && topNumber <= entityList.size()) {
-        entityList = entityList.subList(0, topNumber);
-      } else {
-        throw new ODataApplicationException("Invalid value for $top", HttpStatusCode.BAD_REQUEST.getStatusCode(),
-            Locale.ROOT);
-      }
-    }
-
-    // after applying the system query options, create the EntityCollection based on the reduced list
-    for (Entity entity : entityList) {
-      returnEntityCollection.getEntities().add(entity);
-    }
-
-    // 4th: create a serializer based on the requested format (json)
-    ODataFormat format = ODataFormat.fromContentType(responseFormat);
-    ODataSerializer serializer = odata.createSerializer(format);
-
-    // and serialize the content: transform from the EntitySet object to InputStream
-    EdmEntityType edmEntityType = edmEntitySet.getEntityType();
-    ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).build();
-
-    EntityCollectionSerializerOptions opts =
-        EntityCollectionSerializerOptions.with().contextURL(contextUrl).count(countOption).build();
-    SerializerResult serializerResult =
-        serializer.entityCollection(serviceMetadata, edmEntityType, returnEntityCollection, opts);
-    InputStream serializedContent = serializerResult.getContent();
-
-    // 5th: configure the response object: set the body, headers and status code
-    response.setContent(serializedContent);
-    response.setStatusCode(HttpStatusCode.OK.getStatusCode());
-    response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
-  }
-}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java b/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
deleted file mode 100755
index 81453a0..0000000
--- a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoEntityProcessor.java
+++ /dev/null
@@ -1,118 +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 myservice.mynamespace.service;
-
-import java.io.InputStream;
-import java.util.List;
-import java.util.Locale;
-
-import myservice.mynamespace.data.Storage;
-
-import org.apache.olingo.commons.api.data.ContextURL;
-import org.apache.olingo.commons.api.data.Entity;
-import org.apache.olingo.commons.api.edm.EdmEntitySet;
-import org.apache.olingo.commons.api.edm.EdmEntityType;
-import org.apache.olingo.commons.api.format.ContentType;
-import org.apache.olingo.commons.api.format.ODataFormat;
-import org.apache.olingo.commons.api.http.HttpHeader;
-import org.apache.olingo.commons.api.http.HttpStatusCode;
-import org.apache.olingo.server.api.OData;
-import org.apache.olingo.server.api.ODataApplicationException;
-import org.apache.olingo.server.api.ODataRequest;
-import org.apache.olingo.server.api.ODataResponse;
-import org.apache.olingo.server.api.ServiceMetadata;
-import org.apache.olingo.server.api.deserializer.DeserializerException;
-import org.apache.olingo.server.api.processor.EntityProcessor;
-import org.apache.olingo.server.api.serializer.EntitySerializerOptions;
-import org.apache.olingo.server.api.serializer.ODataSerializer;
-import org.apache.olingo.server.api.serializer.SerializerException;
-import org.apache.olingo.server.api.serializer.SerializerResult;
-import org.apache.olingo.server.api.uri.UriInfo;
-import org.apache.olingo.server.api.uri.UriParameter;
-import org.apache.olingo.server.api.uri.UriResource;
-import org.apache.olingo.server.api.uri.UriResourceEntitySet;
-
-public class DemoEntityProcessor implements EntityProcessor {
-
-  private OData odata;
-  private ServiceMetadata serviceMetadata;
-  private Storage storage;
-
-  public DemoEntityProcessor(Storage storage) {
-    this.storage = storage;
-  }
-
-  public void init(OData odata, ServiceMetadata serviceMetadata) {
-    this.odata = odata;
-    this.serviceMetadata = serviceMetadata;
-  }
-
-  public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat)
-      throws ODataApplicationException, SerializerException {
-
-    // 1. retrieve the Entity Type
-    List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
-    // Note: only in our example we can assume that the first segment is the EntitySet
-    UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
-    EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
-
-    // 2. retrieve the data from backend
-    List<UriParameter> keyPredicates = uriResourceEntitySet.getKeyPredicates();
-    Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);
-
-    // 3. serialize
-    EdmEntityType entityType = edmEntitySet.getEntityType();
-
-    ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).suffix(ContextURL.Suffix.ENTITY).build();
-    // expand and select currently not supported
-    EntitySerializerOptions options = EntitySerializerOptions.with().contextURL(contextUrl).build();
-
-    ODataFormat oDataFormat = ODataFormat.fromContentType(responseFormat);
-    ODataSerializer serializer = this.odata.createSerializer(oDataFormat);
-    SerializerResult serializerResult = serializer.entity(serviceMetadata, entityType, entity, options);
-    InputStream entityStream = serializerResult.getContent();
-
-    // 4. configure the response object
-    response.setContent(entityStream);
-    response.setStatusCode(HttpStatusCode.OK.getStatusCode());
-    response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
-  }
-
-  /*
-   * These processor methods are not handled in this tutorial
-   */
-
-  public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat,
-      ContentType responseFormat)
-      throws ODataApplicationException, DeserializerException, SerializerException {
-    throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
-  }
-
-  public void updateEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat,
-      ContentType responseFormat)
-      throws ODataApplicationException, DeserializerException, SerializerException {
-    throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
-  }
-
-  public void deleteEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo)
-      throws ODataApplicationException {
-    throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java b/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
deleted file mode 100755
index 64f7949..0000000
--- a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/service/DemoPrimitiveProcessor.java
+++ /dev/null
@@ -1,150 +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 myservice.mynamespace.service;
-
-import java.io.InputStream;
-import java.util.List;
-import java.util.Locale;
-
-import myservice.mynamespace.data.Storage;
-
-import org.apache.olingo.commons.api.data.ContextURL;
-import org.apache.olingo.commons.api.data.Entity;
-import org.apache.olingo.commons.api.data.Property;
-import org.apache.olingo.commons.api.edm.EdmEntitySet;
-import org.apache.olingo.commons.api.edm.EdmPrimitiveType;
-import org.apache.olingo.commons.api.edm.EdmProperty;
-import org.apache.olingo.commons.api.format.ContentType;
-import org.apache.olingo.commons.api.format.ODataFormat;
-import org.apache.olingo.commons.api.http.HttpHeader;
-import org.apache.olingo.commons.api.http.HttpStatusCode;
-import org.apache.olingo.server.api.OData;
-import org.apache.olingo.server.api.ODataApplicationException;
-import org.apache.olingo.server.api.ODataRequest;
-import org.apache.olingo.server.api.ODataResponse;
-import org.apache.olingo.server.api.ServiceMetadata;
-import org.apache.olingo.server.api.deserializer.DeserializerException;
-import org.apache.olingo.server.api.processor.PrimitiveProcessor;
-import org.apache.olingo.server.api.serializer.ODataSerializer;
-import org.apache.olingo.server.api.serializer.PrimitiveSerializerOptions;
-import org.apache.olingo.server.api.serializer.SerializerException;
-import org.apache.olingo.server.api.serializer.SerializerResult;
-import org.apache.olingo.server.api.uri.UriInfo;
-import org.apache.olingo.server.api.uri.UriParameter;
-import org.apache.olingo.server.api.uri.UriResource;
-import org.apache.olingo.server.api.uri.UriResourceEntitySet;
-import org.apache.olingo.server.api.uri.UriResourceProperty;
-
-public class DemoPrimitiveProcessor implements PrimitiveProcessor {
-
-	private OData odata;
-	private Storage storage;
-
-	public DemoPrimitiveProcessor(Storage storage) {
-		this.storage = storage;
-	}
-
-	public void init(OData odata, ServiceMetadata serviceMetadata) {
-		this.odata = odata;
-
-	}
-
-	/*
-	 * In our example, the URL would be: http://localhost:8080/DemoService/DemoService.svc/Products(1)/Name
-	 * and the response:
-	 * {
-	 *	  @odata.context: "$metadata#Products/Name",
-	 *	  value: "Notebook Basic 15"
-	 * }
-	 * */
-	public void readPrimitive(ODataRequest request, ODataResponse response,
-								UriInfo uriInfo, ContentType responseFormat)
-								throws ODataApplicationException, SerializerException {
-
-		// 1. Retrieve info from URI
-		// 1.1. retrieve the info about the requested entity set
-		List<UriResource> resourceParts = uriInfo.getUriResourceParts();
-		// Note: only in our example we can rely that the first segment is the EntitySet
-		UriResourceEntitySet uriEntityset = (UriResourceEntitySet) resourceParts.get(0);
-		EdmEntitySet edmEntitySet = uriEntityset.getEntitySet();
-		// the key for the entity
-		List<UriParameter> keyPredicates = uriEntityset.getKeyPredicates();
-
-		// 1.2. retrieve the requested (Edm) property
-		// the last segment is the Property
-		UriResourceProperty uriProperty = (UriResourceProperty)resourceParts.get(resourceParts.size() -1);
-		EdmProperty edmProperty = uriProperty.getProperty();
-		String edmPropertyName = edmProperty.getName();
-		// in our example, we know we have only primitive types in our model
-		EdmPrimitiveType edmPropertyType = (EdmPrimitiveType) edmProperty.getType();
-
-
-		// 2. retrieve data from backend
-		// 2.1. retrieve the entity data, for which the property has to be read
-		Entity entity = storage.readEntityData(edmEntitySet, keyPredicates);
-		if (entity == null) { // Bad request
-			throw new ODataApplicationException("Entity not found", HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ROOT);
-		}
-
-		// 2.2. retrieve the property data from the entity
-		Property property = entity.getProperty(edmPropertyName);
-		if (property == null) {
-			throw new ODataApplicationException("Property not found", HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ROOT);
-		}
-
-		// 3. serialize
-		Object value = property.getValue();
-		if (value != null) {
-			// 3.1. configure the serializer
-			ODataFormat format = ODataFormat.fromContentType(responseFormat);
-			ODataSerializer serializer = odata.createSerializer(format);
-
-			ContextURL contextUrl = ContextURL.with().entitySet(edmEntitySet).navOrPropertyPath(edmPropertyName).build();
-			PrimitiveSerializerOptions options = PrimitiveSerializerOptions.with().contextURL(contextUrl).build();
-			// 3.2. serialize
-			SerializerResult serializerResult = serializer.primitive(edmPropertyType, property, options);
-			InputStream propertyStream = serializerResult.getContent();
-
-			//4. configure the response object
-			response.setContent(propertyStream);
-			response.setStatusCode(HttpStatusCode.OK.getStatusCode());
-			response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
-		} else {
-			// in case there's no value for the property, we can skip the serialization
-			response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
-		}
-	}
-
-
-
-	/*
-	 * These processor methods are not handled in this tutorial
-	 * */
-
-	public void updatePrimitive(ODataRequest request, ODataResponse response, UriInfo uriInfo,
-                              ContentType requestFormat, ContentType responseFormat)
-								throws ODataApplicationException, DeserializerException, SerializerException {
-		throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
-	}
-
-	public void deletePrimitive(ODataRequest request, ODataResponse response, UriInfo uriInfo)
-          throws ODataApplicationException {
-		throw new ODataApplicationException("Not supported.", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
-	}
-}

http://git-wip-us.apache.org/repos/asf/olingo-odata4/blob/7ab63759/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/util/Util.java
----------------------------------------------------------------------
diff --git a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/util/Util.java b/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/util/Util.java
deleted file mode 100755
index c21d352..0000000
--- a/samples/tutorials/p5_queryoptions-tis/src/main/java/myservice/mynamespace/util/Util.java
+++ /dev/null
@@ -1,105 +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 myservice.mynamespace.util;
-
-import java.util.List;
-import java.util.Locale;
-
-import org.apache.olingo.commons.api.data.Entity;
-import org.apache.olingo.commons.api.data.EntityCollection;
-import org.apache.olingo.commons.api.edm.EdmEntitySet;
-import org.apache.olingo.commons.api.edm.EdmEntityType;
-import org.apache.olingo.commons.api.edm.EdmPrimitiveType;
-import org.apache.olingo.commons.api.edm.EdmPrimitiveTypeException;
-import org.apache.olingo.commons.api.edm.EdmProperty;
-import org.apache.olingo.commons.api.edm.EdmType;
-import org.apache.olingo.commons.api.http.HttpStatusCode;
-import org.apache.olingo.server.api.ODataApplicationException;
-import org.apache.olingo.server.api.uri.UriInfoResource;
-import org.apache.olingo.server.api.uri.UriParameter;
-import org.apache.olingo.server.api.uri.UriResource;
-import org.apache.olingo.server.api.uri.UriResourceEntitySet;
-
-public class Util {
-  
-  public static Entity findEntity(EdmEntityType edmEntityType, EntityCollection entitySet,
-                                  List<UriParameter> keyParams) throws ODataApplicationException {
-
-    List<Entity> entityList = entitySet.getEntities();
-
-    // loop over all entities in order to find that one that matches all keys in request
-    // e.g. contacts(ContactID=1, CompanyID=1)
-    for (Entity entity: entityList) {
-      boolean foundEntity = entityMatchesAllKeys(edmEntityType, entity, keyParams);
-      if (foundEntity) {
-        return entity;
-      }
-    }
-
-    return null;
-  }
-
-  public static boolean entityMatchesAllKeys(EdmEntityType edmEntityType, Entity entity, List<UriParameter> keyParams)
-          throws ODataApplicationException {
-
-    // loop over all keys
-    for (final UriParameter key : keyParams) {
-      // key
-      String keyName = key.getName();
-      String keyText = key.getText();
-
-      // Edm: we need this info for the comparison below
-      EdmProperty edmKeyProperty = (EdmProperty) edmEntityType.getProperty(keyName);
-      Boolean isNullable = edmKeyProperty.isNullable();
-      Integer maxLength = edmKeyProperty.getMaxLength();
-      Integer precision = edmKeyProperty.getPrecision();
-      Boolean isUnicode = edmKeyProperty.isUnicode();
-      Integer scale = edmKeyProperty.getScale();
-      // get the EdmType in order to compare
-      EdmType edmType = edmKeyProperty.getType();
-      EdmPrimitiveType edmPrimitiveType = (EdmPrimitiveType) edmType;
-
-      // Runtime data: the value of the current entity
-      // don't need to check for null, this is done in olingo library
-      Object valueObject = entity.getProperty(keyName).getValue();
-
-      // now need to compare the valueObject with the keyText String
-      // this is done using the type.valueToString
-      String valueAsString;
-      try {
-        valueAsString = edmPrimitiveType.valueToString(valueObject, isNullable, maxLength, precision, scale, isUnicode);
-      } catch (EdmPrimitiveTypeException e) {
-        throw new ODataApplicationException("Failed to retrieve String value", HttpStatusCode.INTERNAL_SERVER_ERROR
-                .getStatusCode(), Locale.ENGLISH, e);
-      }
-
-      if (valueAsString == null) {
-        return false;
-      }
-
-      boolean matches = valueAsString.equals(keyText);
-      if (!matches) {
-        // if any of the key properties is not found in the entity, we don't need to search further
-        return false;
-      }
-    }
-
-    return true;
-  }
-}