tests/org.eclipse.core.tests.resources/src/org/eclipse/core/tests/internal/builders/SnowBuilder.java

/*******************************************************************************
 * Copyright (c) 2002 IBM Corporation and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Common Public License v0.5
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v05.html
 * 
 * Contributors:
 * IBM - Initial API and implementation
 ******************************************************************************/
package org.eclipse.core.tests.internal.builders;

import java.util.Map;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
/**
 * Test builder that is associated with the snow nature.
 */
public class SnowBuilder extends TestBuilder {
	private static SnowBuilder singleton;
	private boolean wasDeltaNull = false;
	
	public static final String BUILDER_NAME = "org.eclipse.core.tests.resources.snowbuilder";
	public static final String SNOW_BUILD_EVENT = "SnowBuild";

/**
 * Captures the builder instantiated through reflection
 */
public SnowBuilder() {
	if (singleton != null) {
		//copy interesting data from old singleton
//		expectedEvents.addAll(singleton.expectedEvents);
//		actualEvents.addAll(singleton.actualEvents);
//		wasDeltaNull = singleton.wasDeltaNull;
	}
	singleton = this;	
}
/**
 * Returns the singleton instance
 */
public static SnowBuilder getInstance() {
	if (singleton == null) {
		new SnowBuilder();
	}	
	return singleton;
}
/**
 * @see InternalBuilder#build(int, Map, IProgressMonitor)
 */
protected IProject[] build(int kind, Map args, IProgressMonitor monitor) throws CoreException {
	wasDeltaNull = getDelta(getProject()) == null;
	return super.build(kind, args, monitor);
}
public boolean wasDeltaNull() {
	return wasDeltaNull;
}
}