och.util.ConcurrentUtil.java Source code

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Here is the source code for och.util.ConcurrentUtil.java

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/*
 * Copyright 2015 Evgeny Dolganov (evgenij.dolganov@gmail.com).
 *
 * 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 och.util;

import static och.util.Util.*;

import java.util.Collection;
import java.util.concurrent.Future;

import org.apache.commons.logging.Log;

public class ConcurrentUtil {

    private static Log log = getLog(ConcurrentUtil.class);

    public static void getAndClearAllFutures(Collection<Future<?>> futures) {
        getAndClearAllFutures(futures, true);
    }

    public static void getAndClearAllFutures(Collection<Future<?>> futures, boolean logOnError) {
        if (isEmpty(futures))
            return;
        for (Future<?> future : futures) {
            try {
                future.get();
            } catch (Exception e) {
                if (logOnError)
                    log.error("can't get future", e);
            }
        }
        futures.clear();
    }

}