CreateDMEORelationship.java example

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openflexo-master
/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.foundation.dm.action;

import java.util.Vector;
import java.util.logging.Logger;

import org.openflexo.foundation.FlexoEditor;
import org.openflexo.foundation.FlexoException;
import org.openflexo.foundation.FlexoModelObject;
import org.openflexo.foundation.action.FlexoAction;
import org.openflexo.foundation.action.FlexoActionType;
import org.openflexo.foundation.dm.DMObject;
import org.openflexo.foundation.dm.DMPropertyImplementationType;
import org.openflexo.foundation.dm.eo.DMEOEntity;
import org.openflexo.foundation.dm.eo.DMEOJoin;
import org.openflexo.foundation.dm.eo.DMEORelationship;
import org.openflexo.foundation.dm.eo.FlattenRelationshipDefinition;
import org.openflexo.foundation.dm.eo.model.InvalidJoinException;

public class CreateDMEORelationship extends FlexoAction<CreateDMEORelationship, DMEOEntity, DMObject> {

	private static final Logger logger = Logger.getLogger(CreateDMEORelationship.class.getPackage().getName());

	public static FlexoActionType<CreateDMEORelationship, DMEOEntity, DMObject> actionType = new FlexoActionType<CreateDMEORelationship, DMEOEntity, DMObject>(
			"add_eo_relationship", FlexoActionType.newMenu, FlexoActionType.defaultGroup, FlexoActionType.ADD_ACTION_TYPE) {

		/**
		 * Factory method
		 */
		@Override
		public CreateDMEORelationship makeNewAction(DMEOEntity focusedObject, Vector<DMObject> globalSelection, FlexoEditor editor) {
			return new CreateDMEORelationship(focusedObject, globalSelection, editor);
		}

		@Override
		public boolean isVisibleForSelection(DMEOEntity object, Vector<DMObject> globalSelection) {
			return true;
		}

		@Override
		public boolean isEnabledForSelection(DMEOEntity object, Vector<DMObject> globalSelection) {
			return object != null && !object.getIsReadOnly();
		}

	};

	static {
		FlexoModelObject.addActionForClass(actionType, DMEOEntity.class);
	}

	private String _newRelationshipName;
	private boolean _isFlattenRelationShip;
	private DMEOEntity _destinationEntity;
	private boolean _isMultipleRelation;
	private Vector<DMEOJoin> _joins;
	private FlattenRelationshipDefinition _flattenRelationshipDefinition;

	private DMEORelationship _newEORelationship;

	CreateDMEORelationship(DMEOEntity focusedObject, Vector<DMObject> globalSelection, FlexoEditor editor) {
		super(actionType, focusedObject, globalSelection, editor);
	}

	@Override
	protected void doAction(Object context) throws FlexoException {
		if (getEntity() != null) {
			if (isFlattenRelationShip()) {
				logger.info("Create flatten DMEORelationship with " + getFlattenRelationshipDefinition().getStringRepresentation());
				_newEORelationship = DMEORelationship.createsNewFlattenDMEORelationship(getEntity().getDMModel(), getEntity(),
						getNewRelationshipName(), getFlattenRelationshipDefinition().getStringRepresentation(), false, // Is
																														// read
																														// only
																														// =
																														// false
						true, // Is settable = true
						DMPropertyImplementationType.PUBLIC_ACCESSORS_PRIVATE_FIELD);
				getEntity().registerProperty(_newEORelationship);
			} else {
				logger.info("Create normal DMEORelationship");
				_newEORelationship = DMEORelationship.createsNewDMEORelationship(getEntity().getDMModel(), getEntity(),
						getNewRelationshipName(), false, // Is read only = false
						true, // Is settable = true
						DMPropertyImplementationType.PUBLIC_ACCESSORS_PRIVATE_FIELD);
				FlexoException exception = null;
				if (getJoins() == null || getJoins().size() == 0) {
					_newEORelationship.setDestinationEntity(getDestinationEntity(), true);
				} else {
					_newEORelationship.setDestinationEntity(getDestinationEntity(), false);
					for (DMEOJoin join : getJoins()) {
						try {
							join.setDMEORelationship(_newEORelationship);
							_newEORelationship.addToDMEOJoins(join);
						} catch (InvalidJoinException e) {
							throw new FlexoException(e.getMessage(), e);
						}

					}
				}
				_newEORelationship.setIsToMany(isMultipleRelation());
				getEntity().registerProperty(_newEORelationship);
			}
		}
	}

	public String getNewRelationshipName() {
		if (_newRelationshipName == null) {
			_newRelationshipName = getEntity().getDMModel().getNextDefautRelationshipName(getEntity());
		}
		return _newRelationshipName;
	}

	public DMEOEntity getEntity() {
		return getFocusedObject();
	}

	public DMEORelationship getNewEORelationship() {
		return _newEORelationship;
	}

	public void setNewRelationshipName(String newRelationshipName) {
		_newRelationshipName = newRelationshipName;
	}

	public DMEOEntity getDestinationEntity() {
		return _destinationEntity;
	}

	public void setDestinationEntity(DMEOEntity destinationEntity) {
		_destinationEntity = destinationEntity;
	}

	public FlattenRelationshipDefinition getFlattenRelationshipDefinition() {
		return _flattenRelationshipDefinition;
	}

	public void setFlattenRelationshipDefinition(FlattenRelationshipDefinition flattenRelationshipDefinition) {
		_flattenRelationshipDefinition = flattenRelationshipDefinition;
	}

	public boolean isFlattenRelationShip() {
		return _isFlattenRelationShip;
	}

	public void setFlattenRelationShip(boolean isFlattenRelationShip) {
		_isFlattenRelationShip = isFlattenRelationShip;
	}

	public Vector<DMEOJoin> getJoins() {
		return _joins;
	}

	public void setJoins(Vector<DMEOJoin> joins) {
		_joins = joins;
	}

	public boolean isMultipleRelation() {
		return _isMultipleRelation;
	}

	public void setMultipleRelation(boolean isMultipleRelation) {
		_isMultipleRelation = isMultipleRelation;
	}

}