package org.eclipse.ui.examples.jobs;

import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.jobs.ISchedulingRule;

/**
 * TestJobRule is a scheduling rules that makes all jobs sequential.
 *
 */
public class TestJobRule implements ISchedulingRule {
	private int jobOrder;

	public TestJobRule(int order) {
		jobOrder = order;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.runtime.jobs.ISchedulingRule#contains(org.eclipse.core.runtime.jobs.ISchedulingRule)
	 */
	public boolean contains(ISchedulingRule rule) {
		if (rule instanceof IResource || rule instanceof TestJobRule)
			return true;
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.runtime.jobs.ISchedulingRule#isConflicting(org.eclipse.core.runtime.jobs.ISchedulingRule)
	 */
	public boolean isConflicting(ISchedulingRule rule) {
		if (!(rule instanceof TestJobRule))
			return false;
		return ((TestJobRule) rule).getJobOrder() >= jobOrder;
	}

	/**
	 * Return the order of this rule.
	 * @return
	 */
	public int getJobOrder() {
		return jobOrder;
	}

}