flow4jmodelpartfactory.java

一个java写的business process management系统

/*
 * Copyright (c) 2003, Alexander Greif
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Flow4J-Eclipse project nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

package net.orthanc.flow4j.designer.model;

import org.eclipse.gef.requests.CreationFactory;

/**
 * @author agreif
 *
 * TODO
 * 
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class Flow4JModelPartFactory implements CreationFactory {

	private Object templateType;




	/**
	 * TODO
	 * @param template
	 */
	public Flow4JModelPartFactory() {
		super();
	}

	/**
	 * @see org.eclipse.gef.requests.CreationFactory#getNewObject()
	 */
	public Object getNewObject() {
		if (StartFlowletModelPart.class.equals(templateType))
			return new StartFlowletModelPart();
		
		if (JavaTaskFlowletModelPart.class.equals(templateType) || (templateType != null && (templateType instanceof JavaTaskWrapper))) {
			JavaTaskFlowletModelPart flowlet = new JavaTaskFlowletModelPart();
			if (templateType instanceof JavaTaskWrapper)
				flowlet.setTaskWrapper((JavaTaskWrapper)templateType);
			return flowlet;
		}

		if (ScriptTaskFlowletModelPart.class.equals(templateType) || (templateType != null && (templateType instanceof ScriptTaskWrapper))) {
			ScriptTaskFlowletModelPart flowlet = new ScriptTaskFlowletModelPart();
			if (templateType instanceof ScriptTaskWrapper)
				flowlet.setTaskWrapper((ScriptTaskWrapper)templateType);
			return flowlet;
		}
		
		if (DecisionFlowletModelPart.class.equals(templateType))
			return new DecisionFlowletModelPart();
		
		if (JoinFlowletModelPart.class.equals(templateType))
			return new JoinFlowletModelPart();
		
		if (CallFlowletModelPart.class.equals(templateType))
			return new CallFlowletModelPart();
		
		if (JumpFlowletModelPart.class.equals(templateType))
			return new JumpFlowletModelPart();
		
		if (TemplateFlowletModelPart.class.equals(templateType))
			return new TemplateFlowletModelPart();
		
		if (EndFlowletModelPart.class.equals(templateType))
			return new EndFlowletModelPart();
		
		
		
		System.out.println("Flow4JModelPartFactory.getNewObject() unknown template: " + templateType);
		return null;
	}

	/**
	 * @see org.eclipse.gef.requests.CreationFactory#getObjectType()
	 */
	public Object getObjectType() {
		return templateType;
	}

	/**
	 * @param string
	 */
	public void setTemplateType(Object obj) {
		templateType = obj;
	}

	/**
	 * Creates flowlet label.
	 * @param flowletWithLabel the labels parent
	 * @return a newly created label model
	 */
	static public FlowletLabelModelPart createFlowletLabelModelPart(FlowletWithLabelModelPart flowletWithLabel) {
		if (flowletWithLabel instanceof JavaTaskFlowletModelPart)
			return new TaskFlowletLabelModelPart();
		if (flowletWithLabel instanceof DecisionFlowletModelPart)
			return new DecisionFlowletLabelModelPart();
		if (flowletWithLabel instanceof TemplateFlowletModelPart)
			return new TemplateFlowletLabelModelPart();
			
		return new FlowletLabelModelPart();
	}


}