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/*
*
* 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.logging.LogActor;
import org.apache.qpid.server.queue.AMQQueue;
import org.apache.qpid.server.queue.QueueEntry;
public interface Subscription
{
LogActor getLogActor();
boolean isTransient();
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();
QueueEntry.SubscriptionAssignedState getAssignedState();
void setQueue(AMQQueue queue, boolean exclusive);
void setNoLocal(boolean noLocal);
AMQShortString getConsumerTag();
long getSubscriptionID();
boolean isSuspended();
boolean hasInterest(QueueEntry msg);
boolean isAutoClose();
boolean isClosed();
boolean acquires();
boolean seesRequeues();
void close();
void send(QueueEntry msg) throws AMQException;
void queueDeleted(AMQQueue queue);
boolean wouldSuspend(QueueEntry msg);
void getSendLock();
void releaseSendLock();
void onDequeue(final QueueEntry queueEntry);
void restoreCredit(final QueueEntry queueEntry);
void setStateListener(final StateListener listener);
public State getState();
AMQQueue.Context getQueueContext();
void setQueueContext(AMQQueue.Context queueContext);
boolean isActive();
void confirmAutoClose();
public void set(String key, Object value);
public Object get(String key);
boolean isSessionTransactional();
}
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