StartApplicationSchedulingRule.java

/*******************************************************************************
 * Copyright (c) 2015 Pivotal, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Pivotal, Inc. - initial API and implementation
 *******************************************************************************/
package org.springframework.ide.eclipse.boot.dash.cloudfoundry.ops;

import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.springframework.ide.eclipse.boot.dash.model.RunTarget;

public class StartApplicationSchedulingRule extends CloudSchedulingRule {

	private final String appName;

	public StartApplicationSchedulingRule(RunTarget runTarget, String appName) {
		super(runTarget);
		this.appName = appName;
	}

	@Override
	public boolean isConflicting(ISchedulingRule otherRule) {
		if (otherRule instanceof CloudSchedulingRule) {
			CloudSchedulingRule otherCloudRule = (CloudSchedulingRule) otherRule;

			// Possibly in conflict only if the other operation is also on the
			// same run target
			if (otherCloudRule.getRunTarget().getId().equals(this.getRunTarget().getId())) {
				// Application ops for the same target cannot run in parallel
				// with that target's refresh op
				if (otherCloudRule instanceof RefreshSchedulingRule) {
					return true;
				} else if (otherCloudRule instanceof StartApplicationSchedulingRule) {

					StartApplicationSchedulingRule otherApplicationSchedlingRule = (StartApplicationSchedulingRule) otherCloudRule;

					// Only operation per app can be running. Other app
					// operations can run in parallel for other apps
					return otherApplicationSchedlingRule.getAppName().equals(this.getAppName());
				}

			}
		}
		return false;
	}

	public String getAppName() {
		return appName;
	}

}