org.eclipse.osbp.dsl.entity.xtext/src/org/eclipse/osbp/dsl/entity/xtext/EntityResourceDescriptionStrategy.java

package org.eclipse.osbp.dsl.entity.xtext;

import java.util.Map;

import org.apache.log4j.Logger;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.osbp.dsl.semantic.entity.LEntity;
import org.eclipse.xtext.naming.QualifiedName;
import org.eclipse.xtext.resource.CompilerPhases;
import org.eclipse.xtext.resource.EObjectDescription;
import org.eclipse.xtext.resource.IEObjectDescription;
import org.eclipse.xtext.resource.impl.DefaultResourceDescriptionStrategy;
import org.eclipse.xtext.util.IAcceptor;

import com.google.common.collect.Maps;
import com.google.inject.Inject;
import com.google.inject.Singleton;

@Singleton
public class EntityResourceDescriptionStrategy extends DefaultResourceDescriptionStrategy {

	private static final Logger LOG = Logger.getLogger(EntityResourceDescriptionStrategy.class);

	public static final String ENTITY_FQN = "entityFqn";
	public static final String ENTITY_IS_MAPPED_SUPER_CLASS = "entityIsMappedSuperClass";
	public static final String ENTITY_SUPER_TYPE = "entitySuperType";
	public static final String ENTITY_INHERITED_CLASS = "entityInheritedClass";

	@Inject
	CompilerPhases compilerPhases;

	@Override
	public boolean createEObjectDescriptions(EObject eObject, IAcceptor<IEObjectDescription> acceptor) {
		if (eObject instanceof LEntity) {
			QualifiedName qualifiedName = getQualifiedNameProvider().getFullyQualifiedName(eObject);
			if (qualifiedName != null) {
				if (!qualifiedName.isEmpty()) {
					LEntity entity = (LEntity) eObject;
					Map<String, String> userData = Maps.newHashMapWithExpectedSize(2);
					userData.put(ENTITY_FQN, qualifiedName.toString());
					userData.put(ENTITY_IS_MAPPED_SUPER_CLASS, new Boolean(entity.isMappedSuperclass()).toString());
					IEObjectDescription description = EObjectDescription.create(qualifiedName, eObject, userData);
					acceptor.accept(description);
					LOG.debug("Created Entity-EObjectDescription " + eObject.eClass().getName() + ": " + description.getQualifiedName());
				}
				return true;
			}
		}
		return super.createEObjectDescriptions(eObject, acceptor);

	}
}