com.gu.management.database.checking.TimeoutConnectionChecker.java Source code

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Here is the source code for com.gu.management.database.checking.TimeoutConnectionChecker.java

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/*
 * Copyright 2010 Guardian News and Media
 *
 *    Licensed 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
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package com.gu.management.database.checking;

import org.apache.commons.httpclient.util.TimeoutController;
import org.apache.commons.httpclient.util.TimeoutController.TimeoutException;
import org.apache.log4j.Logger;

public class TimeoutConnectionChecker implements ConnectionChecker {

    private static final Logger LOGGER = Logger.getLogger(TimeoutConnectionChecker.class);

    private int timeout;
    private final ConnectionCheckRunner runner;

    public TimeoutConnectionChecker(ConnectionCheckRunner runner) {
        this.runner = runner;
    }

    public ConnectionCheckResult check() {
        try {
            TimeoutController.execute(runner, timeout);
            return runner.getResult();
        } catch (TimeoutException e) {
            LOGGER.debug("Got timeout exceeding limit of " + timeout + "ms checking database connection", e);
            return new ConnectionCheckResult(new java.util.concurrent.TimeoutException(e.getMessage()));
        }
    }

    public void setTimeout(int timeout) {
        this.timeout = timeout;
    }

}