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Fix for https://issues.apache.org/activemq/browse/AMQ-1799 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@668061 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Davies 2008-06-16 06:30:25 +00:00
parent 086db1b4c6
commit 5441774883
1 changed files with 6 additions and 3 deletions
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9
activemq-core/src/main/java/org/apache/activemq/broker/region/cursors/StoreDurableSubscriberCursor.java
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@ -20,9 +20,9 @@ import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArrayList;
import org.apache.activemq.advisory.AdvisorySupport;
import org.apache.activemq.broker.Broker;
import org.apache.activemq.broker.ConnectionContext;
@ -47,7 +47,7 @@ public class StoreDurableSubscriberCursor extends AbstractPendingMessageCursor {
private String clientId;
private String subscriberName;
private Map<Destination, TopicStorePrefetch> topics = new HashMap<Destination, TopicStorePrefetch>();
private LinkedList<PendingMessageCursor> storePrefetches = new LinkedList<PendingMessageCursor>();
private List<PendingMessageCursor> storePrefetches = new CopyOnWriteArrayList<PendingMessageCursor>();
private boolean started;
private PendingMessageCursor nonPersistent;
private PendingMessageCursor currentCursor;
@ -322,7 +322,10 @@ public class StoreDurableSubscriberCursor extends AbstractPendingMessageCursor {
}
}
// round-robin
storePrefetches.addLast(storePrefetches.removeFirst());
if (storePrefetches.size()>1) {
PendingMessageCursor first = storePrefetches.remove(0);
storePrefetches.add(first);
}
}
return currentCursor;
}