org.hornetq.core.journal.impl.SimpleWaitIOCallback Maven / Gradle / Ivy

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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * Copyright 2005-2014 Red Hat, Inc.
 * Red Hat 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
 * 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 org.hornetq.core.journal.impl;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import org.hornetq.api.core.HornetQException;
import org.hornetq.api.core.HornetQExceptionType;
import org.hornetq.journal.HornetQJournalLogger;

/**
 * A SimpleWaitIOCallback
 *
 * @author Clebert Suconic
 *
 *
 */
public final class SimpleWaitIOCallback extends SyncIOCompletion
{
   private final CountDownLatch latch = new CountDownLatch(1);

   private volatile String errorMessage;

   private volatile int errorCode = 0;

   @Override
   public String toString()
   {
      return SimpleWaitIOCallback.class.getName();
   }

   public void done()
   {
      latch.countDown();
   }

   public void onError(final int errorCode1, final String errorMessage1)
   {
      this.errorCode = errorCode1;

      this.errorMessage = errorMessage1;

      HornetQJournalLogger.LOGGER.errorOnIOCallback(errorMessage1);

      latch.countDown();
   }

   @Override
   public void waitCompletion() throws InterruptedException, HornetQException
   {
      while (true)
      {
         if (latch.await(2, TimeUnit.SECONDS))
            break;
      }

      if (errorMessage != null)
      {
         throw HornetQExceptionType.createException(errorCode, errorMessage);
      }

      return;
   }

   public boolean waitCompletion(final long timeout) throws InterruptedException, HornetQException
   {
      boolean retValue = latch.await(timeout, TimeUnit.MILLISECONDS);

      if (errorMessage != null)
      {
         throw HornetQExceptionType.createException(errorCode, errorMessage);
      }

      return retValue;
   }

   @Override
   public void storeLineUp()
   {
   }
}