[OLINGO-1198]Create a sample project for bound actions
This commit is contained in:
ramya vasanth
parent
dd09d61ab2
commit
dd992163b7
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@ -0,0 +1,45 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package myservice.mynamespace.data;
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import org.apache.olingo.commons.api.data.Entity;
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public class DemoEntityActionResult {
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private Entity entity;
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private boolean created = false;
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public Entity getEntity() {
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return entity;
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}
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public DemoEntityActionResult setEntity(final Entity entity) {
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this.entity = entity;
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return this;
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}
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public boolean isCreated() {
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return created;
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}
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public DemoEntityActionResult setCreated(final boolean created) {
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this.created = created;
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return this;
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}
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}
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@ -23,11 +23,14 @@ import java.net.URISyntaxException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import org.apache.olingo.commons.api.data.Entity;
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import org.apache.olingo.commons.api.data.EntityCollection;
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import org.apache.olingo.commons.api.data.Parameter;
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import org.apache.olingo.commons.api.data.Property;
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import org.apache.olingo.commons.api.data.ValueType;
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import org.apache.olingo.commons.api.edm.EdmAction;
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import org.apache.olingo.commons.api.edm.EdmEntitySet;
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import org.apache.olingo.commons.api.edm.EdmEntityType;
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import org.apache.olingo.commons.api.edm.EdmKeyPropertyRef;
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@ -47,6 +50,10 @@ public class Storage {
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private List<Entity> productList;
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private List<Entity> categoryList;
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public static final String ACTION_PROVIDE_DISCOUNT = "DiscountProducts";
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public static final String ACTION_PROVIDE_DISCOUNT_FOR_PRODUCT = "DiscountProduct";
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public static final String AMOUNT_PROPERTY = "Amount";
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public static final String PRICE_PROPERTY= "Price";
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public Storage() {
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@ -378,6 +385,7 @@ public class Storage {
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entity.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "Notebook Basic 15"));
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entity.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
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"Notebook Basic, 1.7GHz - 15 XGA - 1024MB DDR2 SDRAM - 40GB"));
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entity.addProperty(new Property(null, "Price", ValueType.PRIMITIVE, 100));
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entity.setType(DemoEdmProvider.ET_PRODUCT_FQN.getFullQualifiedNameAsString());
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entity.setId(createId(entity, "ID"));
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productList.add(entity);
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@ -387,6 +395,7 @@ public class Storage {
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entity.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "Notebook Professional 17"));
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entity.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
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"Notebook Professional, 2.8GHz - 15 XGA - 8GB DDR3 RAM - 500GB"));
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entity.addProperty(new Property(null, "Price", ValueType.PRIMITIVE, 200));
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entity.setType(DemoEdmProvider.ET_PRODUCT_FQN.getFullQualifiedNameAsString());
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entity.setId(createId(entity, "ID"));
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productList.add(entity);
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@ -396,6 +405,7 @@ public class Storage {
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entity.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "1UMTS PDA"));
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entity.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
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"Ultrafast 3G UMTS/HSDPA Pocket PC, supports GSM network"));
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entity.addProperty(new Property(null, "Price", ValueType.PRIMITIVE, 300));
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entity.setType(DemoEdmProvider.ET_PRODUCT_FQN.getFullQualifiedNameAsString());
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entity.setId(createId(entity, "ID"));
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productList.add(entity);
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@ -405,6 +415,7 @@ public class Storage {
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entity.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "Comfort Easy"));
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entity.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
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"32 GB Digital Assitant with high-resolution color screen"));
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entity.addProperty(new Property(null, "Price", ValueType.PRIMITIVE, 100));
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entity.setType(DemoEdmProvider.ET_PRODUCT_FQN.getFullQualifiedNameAsString());
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entity.setId(createId(entity, "ID"));
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productList.add(entity);
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@ -414,6 +425,7 @@ public class Storage {
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entity.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "Ergo Screen"));
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entity.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
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"19 Optimum Resolution 1024 x 768 @ 85Hz, resolution 1280 x 960"));
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entity.addProperty(new Property(null, "Price", ValueType.PRIMITIVE, 400));
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entity.setType(DemoEdmProvider.ET_PRODUCT_FQN.getFullQualifiedNameAsString());
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entity.setId(createId(entity, "ID"));
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productList.add(entity);
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@ -423,6 +435,7 @@ public class Storage {
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entity.addProperty(new Property(null, "Name", ValueType.PRIMITIVE, "Flat Basic"));
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entity.addProperty(new Property(null, "Description", ValueType.PRIMITIVE,
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"Optimum Hi-Resolution max. 1600 x 1200 @ 85Hz, Dot Pitch: 0.24mm"));
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entity.addProperty(new Property(null, "Price", ValueType.PRIMITIVE, 100));
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entity.setType(DemoEdmProvider.ET_PRODUCT_FQN.getFullQualifiedNameAsString());
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entity.setId(createId(entity, "ID"));
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productList.add(entity);
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@ -479,4 +492,35 @@ public class Storage {
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}
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return entity.getType();
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}
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public EntityCollection processBoundActionEntityCollection(EdmAction action, Map<String, Parameter> parameters) {
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EntityCollection collection = new EntityCollection();
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if (ACTION_PROVIDE_DISCOUNT.equals(action.getName())) {
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for (Entity entity : categoryList) {
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Entity en = getRelatedEntity(entity, (EdmEntityType) action.getReturnType().getType());
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Integer currentValue = (Integer)en.getProperty(PRICE_PROPERTY).asPrimitive();
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Integer newValue = currentValue - (Integer)parameters.get(AMOUNT_PROPERTY).asPrimitive();
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en.getProperty(PRICE_PROPERTY).setValue(ValueType.PRIMITIVE, newValue);
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collection.getEntities().add(en);
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}
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}
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return collection;
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}
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public DemoEntityActionResult processBoundActionEntity(EdmAction action, Map<String, Parameter> parameters,
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List<UriParameter> keyParams) throws ODataApplicationException {
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DemoEntityActionResult result = new DemoEntityActionResult();
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if (ACTION_PROVIDE_DISCOUNT_FOR_PRODUCT.equals(action.getName())) {
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for (Entity entity : categoryList) {
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Entity en = getRelatedEntity(entity, (EdmEntityType) action.getReturnType().getType(), keyParams);
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Integer currentValue = (Integer)en.getProperty(PRICE_PROPERTY).asPrimitive();
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Integer newValue = currentValue - (Integer)parameters.get(AMOUNT_PROPERTY).asPrimitive();
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en.getProperty(PRICE_PROPERTY).setValue(ValueType.PRIMITIVE, newValue);
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result.setEntity(en);
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result.setCreated(true);
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return result;
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}
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}
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return null;
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}
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}
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@ -18,12 +18,21 @@
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*/
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package myservice.mynamespace.service;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import org.apache.olingo.commons.api.data.ContextURL;
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import org.apache.olingo.commons.api.data.ContextURL.Builder;
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import org.apache.olingo.commons.api.data.ContextURL.Suffix;
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import org.apache.olingo.commons.api.data.EntityCollection;
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import org.apache.olingo.commons.api.data.Parameter;
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import org.apache.olingo.commons.api.edm.EdmAction;
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import org.apache.olingo.commons.api.edm.EdmEntitySet;
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import org.apache.olingo.commons.api.edm.EdmEntityType;
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import org.apache.olingo.commons.api.format.ContentType;
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import org.apache.olingo.commons.api.http.HttpHeader;
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import org.apache.olingo.commons.api.http.HttpStatusCode;
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import org.apache.olingo.server.api.OData;
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import org.apache.olingo.server.api.ODataApplicationException;
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@ -32,17 +41,28 @@ import org.apache.olingo.server.api.ODataRequest;
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import org.apache.olingo.server.api.ODataResponse;
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import org.apache.olingo.server.api.ServiceMetadata;
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import org.apache.olingo.server.api.deserializer.ODataDeserializer;
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import org.apache.olingo.server.api.prefer.Preferences.Return;
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import org.apache.olingo.server.api.prefer.PreferencesApplied;
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import org.apache.olingo.server.api.processor.ActionEntityCollectionProcessor;
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import org.apache.olingo.server.api.processor.ActionEntityProcessor;
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import org.apache.olingo.server.api.processor.ActionVoidProcessor;
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import org.apache.olingo.server.api.serializer.EntityCollectionSerializerOptions;
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import org.apache.olingo.server.api.serializer.EntitySerializerOptions;
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import org.apache.olingo.server.api.uri.UriInfo;
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import org.apache.olingo.server.api.uri.UriResource;
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import org.apache.olingo.server.api.uri.UriResourceAction;
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import org.apache.olingo.server.api.uri.UriResourceEntitySet;
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import org.apache.olingo.server.api.uri.UriResourceNavigation;
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import myservice.mynamespace.data.DemoEntityActionResult;
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import myservice.mynamespace.data.Storage;
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public class DemoActionProcessor implements ActionVoidProcessor {
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public class DemoActionProcessor implements ActionVoidProcessor, ActionEntityCollectionProcessor, ActionEntityProcessor {
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private OData odata;
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private Storage storage;
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private ServiceMetadata serviceMetadata;
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public DemoActionProcessor(final Storage storage) {
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this.storage = storage;
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}
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@ -50,6 +70,7 @@ public class DemoActionProcessor implements ActionVoidProcessor {
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@Override
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public void init(final OData odata, final ServiceMetadata serviceMetadata) {
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this.odata = odata;
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this.serviceMetadata = serviceMetadata;
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}
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@Override
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@ -82,4 +103,157 @@ public class DemoActionProcessor implements ActionVoidProcessor {
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response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
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}
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@Override
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public void processActionEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo,
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ContentType requestFormat, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
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EdmAction action = null;
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Map<String, Parameter> parameters = new HashMap<String, Parameter>();
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DemoEntityActionResult entityResult = null;
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if (requestFormat == null) {
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throw new ODataApplicationException("The content type has not been set in the request.",
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HttpStatusCode.BAD_REQUEST.getStatusCode(), Locale.ROOT);
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}
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final ODataDeserializer deserializer = odata.createDeserializer(requestFormat);
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final List<UriResource> resourcePaths = uriInfo.asUriInfoResource().getUriResourceParts();
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UriResourceEntitySet boundEntity = (UriResourceEntitySet) resourcePaths.get(0);
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if (resourcePaths.size() > 1) {
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if (resourcePaths.get(1) instanceof UriResourceNavigation) {
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action = ((UriResourceAction) resourcePaths.get(2))
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.getAction();
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throw new ODataApplicationException("Action " + action.getName() + " is not yet implemented.",
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HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
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} else if (resourcePaths.get(0) instanceof UriResourceEntitySet) {
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action = ((UriResourceAction) resourcePaths.get(1))
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.getAction();
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parameters = deserializer.actionParameters(request.getBody(), action)
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.getActionParameters();
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entityResult =
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storage.processBoundActionEntity(action, parameters, boundEntity.getKeyPredicates());
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}
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}
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final EdmEntitySet edmEntitySet = boundEntity.getEntitySet();
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final EdmEntityType type = (EdmEntityType) action.getReturnType().getType();
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if (entityResult == null || entityResult.getEntity() == null) {
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if (action.getReturnType().isNullable()) {
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response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
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} else {
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// Not nullable return type so we have to give back a 500
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throw new ODataApplicationException("The action could not be executed.",
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HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(), Locale.ROOT);
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}
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} else {
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final Return returnPreference = odata.createPreferences(request.getHeaders(HttpHeader.PREFER)).getReturn();
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if (returnPreference == null || returnPreference == Return.REPRESENTATION) {
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response.setContent(odata.createSerializer(responseFormat).entity(
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serviceMetadata,
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type,
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entityResult.getEntity(),
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EntitySerializerOptions.with()
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.contextURL(isODataMetadataNone(responseFormat) ? null :
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getContextUrl(action.getReturnedEntitySet(edmEntitySet), type, true))
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.build())
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.getContent());
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response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
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response.setStatusCode((entityResult.isCreated() ? HttpStatusCode.CREATED : HttpStatusCode.OK)
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.getStatusCode());
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} else {
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response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
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}
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if (returnPreference != null) {
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response.setHeader(HttpHeader.PREFERENCE_APPLIED,
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PreferencesApplied.with().returnRepresentation(returnPreference).build().toValueString());
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}
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if (entityResult.isCreated()) {
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final String location = request.getRawBaseUri() + '/'
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+ odata.createUriHelper().buildCanonicalURL(edmEntitySet, entityResult.getEntity());
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response.setHeader(HttpHeader.LOCATION, location);
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if (returnPreference == Return.MINIMAL) {
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response.setHeader(HttpHeader.ODATA_ENTITY_ID, location);
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}
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}
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if (entityResult.getEntity().getETag() != null) {
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response.setHeader(HttpHeader.ETAG, entityResult.getEntity().getETag());
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}
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}
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}
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@Override
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public void processActionEntityCollection(ODataRequest request, ODataResponse response, UriInfo uriInfo,
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ContentType requestFormat, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
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Map<String, Parameter> parameters = new HashMap<String, Parameter>();
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EdmAction action = null;
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EntityCollection collection = null;
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if (requestFormat == null) {
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throw new ODataApplicationException("The content type has not been set in the request.",
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HttpStatusCode.BAD_REQUEST.getStatusCode(), Locale.ROOT);
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}
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List<UriResource> resourcePaths = uriInfo.asUriInfoResource().getUriResourceParts();
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final ODataDeserializer deserializer = odata.createDeserializer(requestFormat);
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UriResourceEntitySet boundEntitySet = (UriResourceEntitySet) resourcePaths.get(0);
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if (resourcePaths.size() > 1) {
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if (resourcePaths.get(1) instanceof UriResourceNavigation) {
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action = ((UriResourceAction) resourcePaths.get(2))
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.getAction();
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throw new ODataApplicationException("Action " + action.getName() + " is not yet implemented.",
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HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ENGLISH);
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} else {
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action = ((UriResourceAction) resourcePaths.get(1))
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.getAction();
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parameters = deserializer.actionParameters(request.getBody(), action)
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.getActionParameters();
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collection =
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storage.processBoundActionEntityCollection(action, parameters);
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}
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}
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// Collections must never be null.
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// Not nullable return types must not contain a null value.
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if (collection == null
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|| collection.getEntities().contains(null) && !action.getReturnType().isNullable()) {
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throw new ODataApplicationException("The action could not be executed.",
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HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(), Locale.ROOT);
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}
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final Return returnPreference = odata.createPreferences(request.getHeaders(HttpHeader.PREFER)).getReturn();
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if (returnPreference == null || returnPreference == Return.REPRESENTATION) {
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final EdmEntitySet edmEntitySet = boundEntitySet.getEntitySet();
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final EdmEntityType type = (EdmEntityType) action.getReturnType().getType();
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final EntityCollectionSerializerOptions options = EntityCollectionSerializerOptions.with()
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.contextURL(isODataMetadataNone(responseFormat) ? null :
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getContextUrl(action.getReturnedEntitySet(edmEntitySet), type, false))
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.build();
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response.setContent(odata.createSerializer(responseFormat)
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.entityCollection(serviceMetadata, type, collection, options).getContent());
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response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
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response.setStatusCode(HttpStatusCode.OK.getStatusCode());
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} else {
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response.setStatusCode(HttpStatusCode.NO_CONTENT.getStatusCode());
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}
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if (returnPreference != null) {
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response.setHeader(HttpHeader.PREFERENCE_APPLIED,
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PreferencesApplied.with().returnRepresentation(returnPreference).build().toValueString());
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}
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}
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private ContextURL getContextUrl(final EdmEntitySet entitySet, final EdmEntityType entityType,
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final boolean isSingleEntity) throws ODataLibraryException {
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Builder builder = ContextURL.with();
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builder = entitySet == null ?
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isSingleEntity ? builder.type(entityType) : builder.asCollection().type(entityType) :
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builder.entitySet(entitySet);
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builder = builder.suffix(isSingleEntity && entitySet != null ? Suffix.ENTITY : null);
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return builder.build();
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}
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protected boolean isODataMetadataNone(final ContentType contentType) {
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return contentType.isCompatible(ContentType.APPLICATION_JSON)
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&& ContentType.VALUE_ODATA_METADATA_NONE.equalsIgnoreCase(
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contentType.getParameter(ContentType.PARAMETER_ODATA_METADATA));
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}
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}
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@ -70,6 +70,14 @@ public class DemoEdmProvider extends CsdlAbstractEdmProvider {
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public static final String ACTION_RESET = "Reset";
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public static final FullQualifiedName ACTION_RESET_FQN = new FullQualifiedName(NAMESPACE, ACTION_RESET);
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//Bound Action
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public static final String ACTION_PROVIDE_DISCOUNT = "DiscountProducts";
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public static final FullQualifiedName ACTION_PROVIDE_DISCOUNT_FQN = new FullQualifiedName(NAMESPACE, ACTION_PROVIDE_DISCOUNT);
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//Bound Action
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public static final String ACTION_PROVIDE_DISCOUNT_FOR_PRODUCT = "DiscountProduct";
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public static final FullQualifiedName ACTION_PROVIDE_DISCOUNT_FOR_PRODUCT_FQN = new FullQualifiedName(NAMESPACE, ACTION_PROVIDE_DISCOUNT_FOR_PRODUCT);
|
||||
|
||||
// Function
|
||||
public static final String FUNCTION_COUNT_CATEGORIES = "CountCategories";
|
||||
public static final FullQualifiedName FUNCTION_COUNT_CATEGORIES_FQN
|
||||
|
|
@ -78,11 +86,14 @@ public class DemoEdmProvider extends CsdlAbstractEdmProvider {
|
|||
// Function/Action Parameters
|
||||
public static final String PARAMETER_AMOUNT = "Amount";
|
||||
|
||||
//Bound Action Binding Parameter
|
||||
public static final String PARAMETER_CATEGORY = "ParamCategory";
|
||||
|
||||
@Override
|
||||
public List<CsdlAction> getActions(final FullQualifiedName actionName) {
|
||||
// It is allowed to overload actions, so we have to provide a list of Actions for each action name
|
||||
final List<CsdlAction> actions = new ArrayList<CsdlAction>();
|
||||
if(actionName.equals(ACTION_RESET_FQN)) {
|
||||
// It is allowed to overload actions, so we have to provide a list of Actions for each action name
|
||||
final List<CsdlAction> actions = new ArrayList<CsdlAction>();
|
||||
|
||||
// Create parameters
|
||||
final List<CsdlParameter> parameters = new ArrayList<CsdlParameter>();
|
||||
|
|
@ -97,6 +108,50 @@ public class DemoEdmProvider extends CsdlAbstractEdmProvider {
|
|||
action.setParameters(parameters);
|
||||
actions.add(action);
|
||||
|
||||
return actions;
|
||||
} else if (actionName.equals(ACTION_PROVIDE_DISCOUNT_FQN)) {
|
||||
// Create parameters
|
||||
final List<CsdlParameter> parameters = new ArrayList<CsdlParameter>();
|
||||
CsdlParameter parameter = new CsdlParameter();
|
||||
parameter.setName(PARAMETER_CATEGORY);
|
||||
parameter.setType(ET_CATEGORY_FQN);
|
||||
parameter.setCollection(true);
|
||||
parameters.add(parameter);
|
||||
parameter = new CsdlParameter();
|
||||
parameter.setName(PARAMETER_AMOUNT);
|
||||
parameter.setType(EdmPrimitiveTypeKind.Int32.getFullQualifiedName());
|
||||
parameters.add(parameter);
|
||||
|
||||
// Create the Csdl Action
|
||||
final CsdlAction action = new CsdlAction();
|
||||
action.setName(ACTION_PROVIDE_DISCOUNT_FQN.getName());
|
||||
action.setBound(true);
|
||||
action.setParameters(parameters);
|
||||
action.setReturnType(new CsdlReturnType().setType(ET_PRODUCT_FQN).setCollection(true));
|
||||
actions.add(action);
|
||||
|
||||
return actions;
|
||||
} else if (actionName.equals(ACTION_PROVIDE_DISCOUNT_FOR_PRODUCT_FQN)) {
|
||||
// Create parameters
|
||||
final List<CsdlParameter> parameters = new ArrayList<CsdlParameter>();
|
||||
CsdlParameter parameter = new CsdlParameter();
|
||||
parameter.setName(PARAMETER_CATEGORY);
|
||||
parameter.setType(ET_CATEGORY_FQN);
|
||||
parameter.setCollection(false);
|
||||
parameters.add(parameter);
|
||||
parameter = new CsdlParameter();
|
||||
parameter.setName(PARAMETER_AMOUNT);
|
||||
parameter.setType(EdmPrimitiveTypeKind.Int32.getFullQualifiedName());
|
||||
parameters.add(parameter);
|
||||
|
||||
// Create the Csdl Action
|
||||
final CsdlAction action = new CsdlAction();
|
||||
action.setName(ACTION_PROVIDE_DISCOUNT_FOR_PRODUCT_FQN.getName());
|
||||
action.setBound(true);
|
||||
action.setParameters(parameters);
|
||||
action.setReturnType(new CsdlReturnType().setType(ET_PRODUCT_FQN).setCollection(false));
|
||||
actions.add(action);
|
||||
|
||||
return actions;
|
||||
}
|
||||
|
||||
|
|
@ -174,6 +229,8 @@ public class DemoEdmProvider extends CsdlAbstractEdmProvider {
|
|||
.setType(EdmPrimitiveTypeKind.String.getFullQualifiedName());
|
||||
CsdlProperty description = new CsdlProperty().setName("Description")
|
||||
.setType(EdmPrimitiveTypeKind.String.getFullQualifiedName());
|
||||
CsdlProperty price = new CsdlProperty().setName("Price")
|
||||
.setType(EdmPrimitiveTypeKind.Int32.getFullQualifiedName());
|
||||
|
||||
// create PropertyRef for Key element
|
||||
CsdlPropertyRef propertyRef = new CsdlPropertyRef();
|
||||
|
|
@ -189,7 +246,7 @@ public class DemoEdmProvider extends CsdlAbstractEdmProvider {
|
|||
// configure EntityType
|
||||
entityType = new CsdlEntityType();
|
||||
entityType.setName(ET_PRODUCT_NAME);
|
||||
entityType.setProperties(Arrays.asList(id, name, description));
|
||||
entityType.setProperties(Arrays.asList(id, name, description, price));
|
||||
entityType.setKey(Arrays.asList(propertyRef));
|
||||
entityType.setNavigationProperties(navPropList);
|
||||
|
||||
|
|
@ -279,6 +336,8 @@ public class DemoEdmProvider extends CsdlAbstractEdmProvider {
|
|||
// add actions
|
||||
List<CsdlAction> actions = new ArrayList<CsdlAction>();
|
||||
actions.addAll(getActions(ACTION_RESET_FQN));
|
||||
actions.addAll(getActions(ACTION_PROVIDE_DISCOUNT_FQN));
|
||||
actions.addAll(getActions(ACTION_PROVIDE_DISCOUNT_FOR_PRODUCT_FQN));
|
||||
schema.setActions(actions);
|
||||
|
||||
// add functions
|
||||
|
|
|
|||
Loading…
Reference in New Issue