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* 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
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package org.apache.olingo.odata2.core.edm.provider;
import org.apache.olingo.odata2.api.edm.EdmAnnotatable;
import org.apache.olingo.odata2.api.edm.EdmAnnotations;
import org.apache.olingo.odata2.api.edm.EdmAssociationSet;
import org.apache.olingo.odata2.api.edm.EdmAssociationSetEnd;
import org.apache.olingo.odata2.api.edm.EdmEntityContainer;
import org.apache.olingo.odata2.api.edm.EdmEntitySet;
import org.apache.olingo.odata2.api.edm.EdmEntityType;
import org.apache.olingo.odata2.api.edm.EdmException;
import org.apache.olingo.odata2.api.edm.EdmMapping;
import org.apache.olingo.odata2.api.edm.EdmNavigationProperty;
import org.apache.olingo.odata2.api.edm.FullQualifiedName;
import org.apache.olingo.odata2.api.edm.provider.EntitySet;
public class EdmEntitySetImplProv extends EdmNamedImplProv implements EdmEntitySet, EdmAnnotatable {
private EntitySet entitySet;
private EdmEntityContainer edmEntityContainer;
private EdmEntityType edmEntityType;
private EdmAnnotationsImplProv annotations;
public EdmEntitySetImplProv(final EdmImplProv edm, final EntitySet entitySet,
final EdmEntityContainer edmEntityContainer) throws EdmException {
super(edm, entitySet.getName());
this.entitySet = entitySet;
this.edmEntityContainer = edmEntityContainer;
}
@Override
public EdmEntityType getEntityType() throws EdmException {
if (edmEntityType == null) {
FullQualifiedName fqName = entitySet.getEntityType();
edmEntityType = edm.getEntityType(fqName.getNamespace(), fqName.getName());
if (edmEntityType == null) {
throw new EdmException(EdmException.COMMON);
}
}
return edmEntityType;
}
@Override
public EdmEntitySet getRelatedEntitySet(final EdmNavigationProperty navigationProperty) throws EdmException {
EdmAssociationSet associationSet =
edmEntityContainer.getAssociationSet(edmEntityContainer.getEntitySet(entitySet.getName()), navigationProperty);
EdmAssociationSetEnd toEnd = associationSet.getEnd(navigationProperty.getToRole());
if (toEnd == null) {
throw new EdmException(EdmException.COMMON);
}
EdmEntitySet targetEntitySet = toEnd.getEntitySet();
if (targetEntitySet == null) {
throw new EdmException(EdmException.COMMON);
}
return targetEntitySet;
}
@Override
public EdmEntityContainer getEntityContainer() throws EdmException {
return edmEntityContainer;
}
@Override
public EdmAnnotations getAnnotations() throws EdmException {
if (annotations == null) {
annotations = new EdmAnnotationsImplProv(entitySet.getAnnotationAttributes(), entitySet.getAnnotationElements());
}
return annotations;
}
@Override
public EdmMapping getMapping() throws EdmException {
return entitySet.getMapping();
}
}