diff options
Diffstat (limited to 'trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/subscription/Subscription.java')
-rw-r--r-- | trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/subscription/Subscription.java | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/subscription/Subscription.java b/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/subscription/Subscription.java new file mode 100644 index 0000000000..408defe453 --- /dev/null +++ b/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/subscription/Subscription.java @@ -0,0 +1,94 @@ +/* + * + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF 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.apache.qpid.server.subscription; + +import org.apache.qpid.AMQException; +import org.apache.qpid.framing.AMQShortString; +import org.apache.qpid.server.AMQChannel; +import org.apache.qpid.server.queue.AMQQueue; +import org.apache.qpid.server.queue.QueueEntry; + +public interface Subscription +{ + + + public static enum State + { + ACTIVE, + SUSPENDED, + CLOSED + } + + public static interface StateListener + { + public void stateChange(Subscription sub, State oldState, State newState); + } + + AMQQueue getQueue(); + + QueueEntry.SubscriptionAcquiredState getOwningState(); + + void setQueue(AMQQueue queue); + + AMQChannel getChannel(); + + AMQShortString getConsumerTag(); + + boolean isSuspended(); + + boolean hasInterest(QueueEntry msg); + + boolean isAutoClose(); + + boolean isClosed(); + + boolean isBrowser(); + + void close(); + + boolean filtersMessages(); + + void send(QueueEntry msg) throws AMQException; + + void queueDeleted(AMQQueue queue); + + + boolean wouldSuspend(QueueEntry msg); + + void getSendLock(); + void releaseSendLock(); + + void resend(final QueueEntry entry) throws AMQException; + + void restoreCredit(final QueueEntry queueEntry); + + void setStateListener(final StateListener listener); + + QueueEntry getLastSeenEntry(); + + boolean setLastSeenEntry(QueueEntry expected, QueueEntry newValue); + + + boolean isActive(); + + + +} |