| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| ******************************************************************************/ |
| package org.apache.olingo.odata2.core.edm.provider; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.olingo.odata2.api.edm.EdmAnnotatable; |
| import org.apache.olingo.odata2.api.edm.EdmAnnotations; |
| import org.apache.olingo.odata2.api.edm.EdmAssociation; |
| import org.apache.olingo.odata2.api.edm.EdmAssociationSet; |
| import org.apache.olingo.odata2.api.edm.EdmEntityContainer; |
| import org.apache.olingo.odata2.api.edm.EdmEntitySet; |
| import org.apache.olingo.odata2.api.edm.EdmException; |
| import org.apache.olingo.odata2.api.edm.EdmFunctionImport; |
| import org.apache.olingo.odata2.api.edm.EdmNavigationProperty; |
| import org.apache.olingo.odata2.api.edm.FullQualifiedName; |
| import org.apache.olingo.odata2.api.edm.provider.AssociationSet; |
| import org.apache.olingo.odata2.api.edm.provider.EntityContainer; |
| import org.apache.olingo.odata2.api.edm.provider.EntityContainerInfo; |
| import org.apache.olingo.odata2.api.edm.provider.EntitySet; |
| import org.apache.olingo.odata2.api.edm.provider.FunctionImport; |
| import org.apache.olingo.odata2.api.edm.provider.Schema; |
| import org.apache.olingo.odata2.api.exception.ODataException; |
| |
| /** |
| * |
| */ |
| public class EdmEntityContainerImplProv implements EdmEntityContainer, EdmAnnotatable { |
| |
| private EdmImplProv edm; |
| private List<EntityContainer> entityContainerHierachy; |
| private EntityContainerInfo entityContainerInfo; |
| private Map<String, EdmEntitySet> edmEntitySets; |
| private Map<String, EdmAssociationSet> edmAssociationSets; |
| private Map<String, EdmFunctionImport> edmFunctionImports; |
| private EdmEntityContainer edmExtendedEntityContainer; |
| private boolean isDefaultContainer; |
| private EdmAnnotations annotations; |
| private String namespace; |
| |
| public EdmEntityContainerImplProv(final EdmImplProv edm, final EntityContainerInfo entityContainerInfo) |
| throws EdmException { |
| this.edm = edm; |
| this.entityContainerInfo = entityContainerInfo; |
| edmEntitySets = new HashMap<String, EdmEntitySet>(); |
| edmAssociationSets = new HashMap<String, EdmAssociationSet>(); |
| edmFunctionImports = new HashMap<String, EdmFunctionImport>(); |
| isDefaultContainer = entityContainerInfo.isDefaultEntityContainer(); |
| |
| if (entityContainerInfo.getExtendz() != null) { |
| edmExtendedEntityContainer = edm.getEntityContainer(entityContainerInfo.getExtendz()); |
| if (edmExtendedEntityContainer == null) { |
| throw new EdmException(EdmException.COMMON); |
| } |
| } |
| } |
| |
| @Override |
| public String getName() throws EdmException { |
| return entityContainerInfo.getName(); |
| } |
| |
| @Override |
| public EdmEntitySet getEntitySet(final String name) throws EdmException { |
| EdmEntitySet edmEntitySet = edmEntitySets.get(name); |
| if (edmEntitySet != null) { |
| return edmEntitySet; |
| } |
| |
| EntitySet entitySet; |
| try { |
| entitySet = edm.edmProvider.getEntitySet(entityContainerInfo.getName(), name); |
| } catch (ODataException e) { |
| throw new EdmException(EdmException.PROVIDERPROBLEM, e); |
| } |
| |
| if (entitySet != null) { |
| edmEntitySet = createEntitySet(entitySet); |
| } else if (edmExtendedEntityContainer != null) { |
| edmEntitySet = edmExtendedEntityContainer.getEntitySet(name); |
| if (edmEntitySet != null) { |
| edmEntitySets.put(name, edmEntitySet); |
| } |
| } |
| |
| return edmEntitySet; |
| } |
| |
| @Override |
| public EdmFunctionImport getFunctionImport(final String name) throws EdmException { |
| EdmFunctionImport edmFunctionImport = edmFunctionImports.get(name); |
| if (edmFunctionImport != null) { |
| return edmFunctionImport; |
| } |
| |
| FunctionImport functionImport; |
| try { |
| functionImport = edm.edmProvider.getFunctionImport(entityContainerInfo.getName(), name); |
| } catch (ODataException e) { |
| throw new EdmException(EdmException.PROVIDERPROBLEM, e); |
| } |
| |
| if (functionImport != null) { |
| edmFunctionImport = createFunctionImport(functionImport); |
| edmFunctionImports.put(name, edmFunctionImport); |
| } else if (edmExtendedEntityContainer != null) { |
| edmFunctionImport = edmExtendedEntityContainer.getFunctionImport(name); |
| if (edmFunctionImport != null) { |
| edmFunctionImports.put(name, edmFunctionImport); |
| } |
| } |
| |
| return edmFunctionImport; |
| } |
| |
| @Override |
| public EdmAssociationSet getAssociationSet(final EdmEntitySet sourceEntitySet, |
| final EdmNavigationProperty navigationProperty) throws EdmException { |
| EdmAssociation edmAssociation = navigationProperty.getRelationship(); |
| String association = edmAssociation.getNamespace() + "." + edmAssociation.getName(); |
| String entitySetName = sourceEntitySet.getName(); |
| String entitySetFromRole = navigationProperty.getFromRole(); |
| |
| String key = entitySetName + ">>" + association + ">>" + entitySetFromRole; |
| |
| EdmAssociationSet edmAssociationSet = edmAssociationSets.get(key); |
| if (edmAssociationSet != null) { |
| return edmAssociationSet; |
| } |
| |
| AssociationSet associationSet; |
| FullQualifiedName associationFQName = |
| new FullQualifiedName(edmAssociation.getNamespace(), edmAssociation.getName()); |
| try { |
| associationSet = |
| edm.edmProvider.getAssociationSet(entityContainerInfo.getName(), associationFQName, entitySetName, |
| entitySetFromRole); |
| } catch (ODataException e) { |
| throw new EdmException(EdmException.PROVIDERPROBLEM, e); |
| } |
| |
| if (associationSet != null) { |
| edmAssociationSet = createAssociationSet(associationSet); |
| edmAssociationSets.put(key, edmAssociationSet); |
| return edmAssociationSet; |
| } else if (edmExtendedEntityContainer != null) { |
| edmAssociationSet = edmExtendedEntityContainer.getAssociationSet(sourceEntitySet, navigationProperty); |
| edmAssociationSets.put(key, edmAssociationSet); |
| return edmAssociationSet; |
| } else { |
| throw new EdmException(EdmException.COMMON); |
| } |
| } |
| |
| /** |
| * Create an {@link EdmEntitySet} based on given {@link EntitySet} and put it into the cache (see |
| * {@link #edmEntitySets}). |
| * |
| * @param entitySet based on which the {@link EdmEntitySet} is created |
| * @return the created and cached {@link EdmEntitySet} |
| * @throws EdmException |
| */ |
| private EdmEntitySet createEntitySet(final EntitySet entitySet) throws EdmException { |
| EdmEntitySet edmEntitySet = new EdmEntitySetImplProv(edm, entitySet, this); |
| edmEntitySets.put(entitySet.getName(), edmEntitySet); |
| return edmEntitySet; |
| } |
| |
| private EdmFunctionImport createFunctionImport(final FunctionImport functionImport) throws EdmException { |
| return new EdmFunctionImportImplProv(edm, functionImport, this); |
| } |
| |
| private EdmAssociationSet createAssociationSet(final AssociationSet associationSet) throws EdmException { |
| return new EdmAssociationSetImplProv(edm, associationSet, this); |
| } |
| |
| @Override |
| public boolean isDefaultEntityContainer() { |
| return isDefaultContainer; |
| } |
| |
| @Override |
| public EdmAnnotations getAnnotations() throws EdmException { |
| if (annotations == null) { |
| annotations = new EdmAnnotationsImplProv(entityContainerInfo.getAnnotationAttributes(), |
| entityContainerInfo.getAnnotationElements()); |
| } |
| return annotations; |
| } |
| |
| @Override |
| public List<EdmEntitySet> getEntitySets() throws EdmException { |
| try { |
| List<EdmEntitySet> edmEntitySetsList = new ArrayList<EdmEntitySet>(); |
| List<EntityContainer> entityContainerHierachyList = getEntityContainerHierachy(); |
| for (EntityContainer entityContainer : entityContainerHierachyList) { |
| List<EntitySet> entitySets = entityContainer.getEntitySets(); |
| for (EntitySet entitySet : entitySets) { |
| EdmEntitySet ees = createEntitySet(entitySet); |
| edmEntitySetsList.add(ees); |
| } |
| } |
| return edmEntitySetsList; |
| } catch (ODataException e) { |
| throw new EdmException(EdmException.PROVIDERPROBLEM, e); |
| } |
| } |
| |
| @Override |
| public List<EdmAssociationSet> getAssociationSets() throws EdmException { |
| try { |
| List<EntityContainer> containers = getEntityContainerHierachy(); |
| List<EdmAssociationSet> edmAssociationSetsList = new ArrayList<EdmAssociationSet>(); |
| for (EntityContainer entityContainer : containers) { |
| List<AssociationSet> associationSets = entityContainer.getAssociationSets(); |
| for (AssociationSet associationSet : associationSets) { |
| EdmAssociationSet eas = createAssociationSet(associationSet); |
| edmAssociationSetsList.add(eas); |
| } |
| } |
| |
| return edmAssociationSetsList; |
| } catch (ODataException e) { |
| throw new EdmException(EdmException.PROVIDERPROBLEM, e); |
| } |
| } |
| |
| private Map<String, EntityContainer> getEntityContainerMap() throws ODataException { |
| Map<String, EntityContainer> name2Container = new HashMap<String, EntityContainer>(); |
| List<Schema> schemas = edm.edmProvider.getSchemas(); |
| for (Schema schema : schemas) { |
| List<EntityContainer> containers = schema.getEntityContainers(); |
| for (EntityContainer container : containers) { |
| name2Container.put(container.getName(), container); |
| } |
| } |
| return name2Container; |
| } |
| |
| private List<EntityContainer> getEntityContainerHierachy() throws ODataException { |
| if (entityContainerHierachy != null) { |
| return entityContainerHierachy; |
| } |
| |
| entityContainerHierachy = new ArrayList<EntityContainer>(); |
| Map<String, EntityContainer> name2Container = getEntityContainerMap(); |
| String currentName = getName(); |
| while (currentName != null) { |
| EntityContainer currentContainer = name2Container.get(currentName); |
| entityContainerHierachy.add(currentContainer); |
| currentName = currentContainer.getExtendz(); |
| } |
| |
| if (entityContainerHierachy.isEmpty()) { |
| throw new EdmException(EdmException.PROVIDERPROBLEM, "No container at all found."); |
| } |
| return entityContainerHierachy; |
| } |
| |
| |
| @Override |
| public String getNamespace() throws EdmException{ |
| try { |
| if (namespace == null) { |
| List<Schema> schemas; |
| schemas = edm.edmProvider.getSchemas(); |
| for (Schema schema : schemas) { |
| List<EntityContainer> containers = schema.getEntityContainers(); |
| for (EntityContainer container : containers) { |
| if (container.getName().equals(entityContainerInfo.getName())) { |
| this.namespace = schema.getNamespace(); |
| break; |
| } |
| } |
| if (namespace != null) { |
| break; |
| } |
| } |
| } |
| } catch (ODataException e) { |
| throw new EdmException(EdmException.PROVIDERPROBLEM, e); |
| } |
| return namespace; |
| } |
| } |