/**
 * Copyright 2010 JBoss Inc
 *
 * Licensed 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.jbpm.task;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

import javax.persistence.DiscriminatorColumn;
import javax.persistence.DiscriminatorType;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Inheritance;
import javax.persistence.InheritanceType;
import javax.persistence.Table;

import org.jbpm.task.service.TaskService;
import org.jbpm.task.service.TaskServiceSession;

/**
 * 
 * @author salaboy
 */

@Entity
@Table(name = "JBPM_SUBTASKSSTRATEGY")
@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorColumn(discriminatorType = DiscriminatorType.STRING, name = "DTYPE", length = 100)
public abstract class SubTasksStrategy implements Externalizable {
	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	private long id;
	private String name;

	public abstract void execute(TaskServiceSession taskServiceSession,
			TaskService service, Task task);

	/**
	 * @return the id
	 */
	public long getId() {
		return id;
	}

	/**
	 * @param id
	 *            the id to set
	 */
	public void setId(final long id) {
		this.id = id;
	}

	public void writeExternal(final ObjectOutput out) throws IOException {
		out.writeLong(id);
		out.writeUTF(name);
	}

	public void readExternal(final ObjectInput in) throws IOException,
			ClassNotFoundException {
		id = in.readLong();
		name = in.readUTF();
	}

	/**
	 * @return the name
	 */
	public String getName() {
		return name;
	}

	/**
	 * @param name
	 *            the name to set
	 */
	public void setName(final String name) {
		this.name = name;
	}
}