org.neo4j.server.webdriver.Condition.java Source code

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Here is the source code for org.neo4j.server.webdriver.Condition.java

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/**
 * Copyright (c) 2002-2011 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package org.neo4j.server.webdriver;

import java.util.Date;

import org.hamcrest.Matcher;
import org.openqa.selenium.TimeoutException;

public class Condition<T> {

    private final T state;
    private final Matcher<T> matcher;

    public Condition(Matcher<T> matcher, T state) {
        this.matcher = matcher;
        this.state = state;
    }

    public boolean isFulfilled() {
        return matcher.matches(state);
    }

    public void waitUntilFulfilled() {
        waitUntilFulfilled(1000 * 10);
    }

    public void waitUntilFulfilled(long timeout) {
        waitUntilFulfilled(timeout, "Condition was not fulfilled within the time limit (" + timeout + "ms).");
    }

    public void waitUntilFulfilled(long timeout, String errorMessage) {
        timeout = new Date().getTime() + timeout;
        while ((new Date().getTime()) < timeout) {
            try {
                Thread.sleep(50);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
            if (matcher.matches(state)) {
                return;
            }
        }

        throw new TimeoutException(errorMessage);
    }

}