/*
 *  The MIT License
 *
 *   Copyright (c) 2015, Mahmoud Ben Hassine (mahmoud@benhassine.fr)
 *
 *   Permission is hereby granted, free of charge, to any person obtaining a copy
 *   of this software and associated documentation files (the "Software"), to deal
 *   in the Software without restriction, including without limitation the rights
 *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *   copies of the Software, and to permit persons to whom the Software is
 *   furnished to do so, subject to the following conditions:
 *
 *   The above copyright notice and this permission notice shall be included in
 *   all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *   THE SOFTWARE.
 */

package org.easybatch.core.dispatcher;

import org.easybatch.core.job.JobParameters;
import org.easybatch.core.job.JobReport;
import org.easybatch.core.listener.JobListener;
import org.easybatch.core.record.PoisonRecord;
import org.easybatch.core.record.Record;

/**
 * A utility job listener that broadcasts a {@link PoisonRecord} record at the end of the job
 * using a delegate record dispatcher.
 *
 * @author Mahmoud Ben Hassine (mahmoud@benhassine.fr)
 */
public class PoisonRecordBroadcaster implements JobListener {

    private RecordDispatcher<Record> recordDispatcher;

    /**
     * Create a new {@link PoisonRecordBroadcaster}.
     *
     * @param recordDispatcher the delegate record dispatcher used to dispatch the poison record
     */
    public PoisonRecordBroadcaster(RecordDispatcher<Record> recordDispatcher) {
        this.recordDispatcher = recordDispatcher;
    }

    @Override
    public void beforeJobStart(final JobParameters jobParameters) {
        // no op
    }

    @Override
    public void afterJobEnd(final JobReport jobReport) {
        try {
            recordDispatcher.processRecord(new PoisonRecord());
        } catch (Exception e) {
            throw new RuntimeException("Unable to broadcast poison record.", e);
        }
    }

}

@@ -1423,47 +1423,73 @@
 rd;%0A
+%0A
 import 
-org.easybatch.core.record.Record
+java.util.List;%0Aimport java.util.concurrent.BlockingQueue
 ;%0A%0A/
@@ -1588,46 +1588,8 @@
  job
-%0A * using a delegate record dispatcher
 .%0A *
@@ -1648,16 +1648,47 @@
 fr)%0A */%0A
+@SuppressWarnings(%22unchecked%22)%0A
 public c
@@ -1754,16 +1754,25 @@
 private 
+Broadcast
 RecordDi
@@ -1775,32 +1775,24 @@
 rdDispatcher
-%3CRecord%3E
  recordDispa
@@ -1885,89 +1885,77 @@
 ram 
-recordDispatcher the delegate record dispatcher used to dispatch the poison recor
+queues the list of queues to which poison records should be dispatche
 d%0A  
@@ -1999,49 +1999,34 @@
 ter(
-RecordDispatcher%3CRecord%3E recordDispatcher
+List%3CBlockingQueue%3E queues
 ) %7B%0A
@@ -2057,17 +2057,30 @@
 tcher = 
-r
+new BroadcastR
 ecordDis
@@ -2086,16 +2086,24 @@
 spatcher
+(queues)
 ;%0A    %7D%0A

update PoisonRecordBroadcaster to delegate record broadcasting to a BroadcastRecordDispatcher