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Seam core module for Seam framework integrated with JSF2

There is a newer version: 3.2.26.ayg

package org.jboss.seam.navigation;

import org.jboss.seam.bpm.BusinessProcess;
import org.jboss.seam.core.Expressions.ValueExpression;

public class TaskControl {

	private boolean isBeginTask;

	private boolean isStartTask;

	private boolean isEndTask;

	private ValueExpression taskId;

	private ValueExpression transition;

	public TaskControl() {
		super();
	}
	public void beginOrEndTask() {
		if (endTask()) {
			BusinessProcess.instance().validateTask();
			BusinessProcess.instance().endTask(transition == null ? null : transition.getValue());
		}
		if (beginTask() || startTask()) {
			if (taskId == null || taskId.getValue() == null) {
				throw new NullPointerException("task id may not be null");
			}
			BusinessProcess.instance().resumeTask(taskId.getValue());
		}
		if (startTask()) {
			BusinessProcess.instance().startTask();
		}
	}

	private boolean beginTask() {
		return isBeginTask && taskId.getValue() != null;
	}

	private boolean startTask() {
		return isStartTask && taskId.getValue() != null;
	}

	private boolean endTask() {
		return isEndTask;
	}

	public boolean isBeginTask() {
		return isBeginTask;
	}

	public void setBeginTask(boolean isBeginTask) {
		this.isBeginTask = isBeginTask;
	}

	public boolean isEndTask() {
		return isEndTask;
	}

	public void setEndTask(boolean isEndTask) {
		this.isEndTask = isEndTask;
	}

	public boolean isStartTask() {
		return isStartTask;
	}

	public void setStartTask(boolean isStartTask) {
		this.isStartTask = isStartTask;
	}

	public void setTaskId(ValueExpression taskId) {
		this.taskId = taskId;
	}

	public ValueExpression getTaskId() {
		return taskId;
	}

	public ValueExpression getTransition() {
		return transition;
	}

	public void setTransition(ValueExpression transition) {
		this.transition = transition;
	}

}