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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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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.EdmAssociation;
import org.apache.olingo.odata2.api.edm.EdmAssociationEnd;
import org.apache.olingo.odata2.api.edm.EdmException;
import org.apache.olingo.odata2.api.edm.EdmMultiplicity;
import org.apache.olingo.odata2.api.edm.EdmReferentialConstraint;
import org.apache.olingo.odata2.api.edm.EdmTypeKind;
import org.apache.olingo.odata2.api.edm.provider.Association;
import org.apache.olingo.odata2.api.edm.provider.AssociationEnd;
import org.apache.olingo.odata2.api.edm.provider.ReferentialConstraint;
public class EdmAssociationImplProv extends EdmNamedImplProv implements EdmAssociation, EdmAnnotatable {
private Association association;
private String namespace;
private EdmAnnotations annotations;
private EdmReferentialConstraintImplProv referentialConstraint;
public EdmAssociationImplProv(final EdmImplProv edm, final Association association, final String namespace)
throws EdmException {
super(edm, association.getName());
this.association = association;
this.namespace = namespace;
}
@Override
public String getNamespace() throws EdmException {
return namespace;
}
@Override
public EdmTypeKind getKind() {
return EdmTypeKind.ASSOCIATION;
}
@Override
public EdmAssociationEnd getEnd(final String role) throws EdmException {
AssociationEnd end = association.getEnd1();
if (end.getRole().equals(role)) {
return new EdmAssociationEndImplProv(edm, end);
}
end = association.getEnd2();
if (end.getRole().equals(role)) {
return new EdmAssociationEndImplProv(edm, end);
}
return null;
}
@Override
public EdmAnnotations getAnnotations() throws EdmException {
if (annotations == null) {
annotations =
new EdmAnnotationsImplProv(association.getAnnotationAttributes(), association.getAnnotationElements());
}
return annotations;
}
public EdmMultiplicity getEndMultiplicity(final String role) {
if (association.getEnd1().getRole().equals(role)) {
return association.getEnd1().getMultiplicity();
}
if (association.getEnd2().getRole().equals(role)) {
return association.getEnd2().getMultiplicity();
}
return null;
}
@Override
public EdmAssociationEnd getEnd1() throws EdmException {
AssociationEnd end = association.getEnd1();
return new EdmAssociationEndImplProv(edm, end);
}
@Override
public EdmAssociationEnd getEnd2() throws EdmException {
AssociationEnd end = association.getEnd2();
return new EdmAssociationEndImplProv(edm, end);
}
@Override
public EdmReferentialConstraint getReferentialConstraint() throws EdmException {
if (referentialConstraint == null) {
ReferentialConstraint refConstraint = association.getReferentialConstraint();
if (refConstraint != null) {
referentialConstraint = new EdmReferentialConstraintImplProv(refConstraint);
}
}
return referentialConstraint;
}
}