taverna-edits-api/src/main/java/org/apache/taverna/workflow/edits/AddActivityOutputPortMappingEdit.java

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/

package org.apache.taverna.workflow.edits;

import java.util.ArrayList;
import java.util.List;

import org.apache.taverna.scufl2.api.activity.Activity;
import org.apache.taverna.scufl2.api.port.OutputActivityPort;
import org.apache.taverna.scufl2.api.port.OutputProcessorPort;
import org.apache.taverna.scufl2.api.profiles.ProcessorBinding;
import org.apache.taverna.scufl2.api.profiles.ProcessorOutputPortBinding;

public class AddActivityOutputPortMappingEdit extends AbstractEdit<Activity> {
	private final OutputProcessorPort outputProcessorPort;
	private final OutputActivityPort outputActivityPort;
	private List<ProcessorOutputPortBinding> portBindings;

	public AddActivityOutputPortMappingEdit(Activity activity,
			OutputProcessorPort outputProcessorPort,
			OutputActivityPort outputActivityPort) {
		super(activity);
		this.outputProcessorPort = outputProcessorPort;
		this.outputActivityPort = outputActivityPort;
	}

	@Override
	protected void doEditAction(Activity activity) {
		portBindings = new ArrayList<>();
		for (ProcessorBinding binding : scufl2Tools
				.processorBindingsToActivity(activity))
			portBindings.add(new ProcessorOutputPortBinding(binding,
					outputActivityPort, outputProcessorPort));
	}

	@Override
	protected void undoEditAction(Activity activity) {
		for (ProcessorOutputPortBinding binding : portBindings)
			binding.setParent(null);
	}
}