AOO410/test/testcommon/source/org/openoffice/test/common/Condition.java

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
 * 
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package org.openoffice.test.common;


public abstract class Condition {
	/**
	 * 
	 * @return true, if the condition is true. false, if it's not true.
	 */
	public abstract boolean value();

	
	public boolean test(double iTimeout, double interval) {
		long startTime = System.currentTimeMillis();
		while (System.currentTimeMillis() - startTime < iTimeout * 1000) {
			if (value())
				return true;
			try {
				Thread.sleep((long) (interval * 1000));
			} catch (InterruptedException e) {
			}
		}

		return value();
	}
	
	public void waitForTrue(String message, double iTimeout, double interval) {
		if (!test(iTimeout, interval)) {
  			throw new RuntimeException(message);
  		}
	}
}