| /* |
| * |
| * 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.consumer; |
| |
| import com.google.common.util.concurrent.ListenableFuture; |
| |
| import org.apache.qpid.server.message.MessageInstance; |
| import org.apache.qpid.server.message.MessageInstanceConsumer; |
| import org.apache.qpid.server.message.ServerMessage; |
| import org.apache.qpid.server.model.Queue; |
| import org.apache.qpid.server.session.AMQPSession; |
| |
| public interface ConsumerTarget<T extends ConsumerTarget<T>> |
| { |
| void acquisitionRemoved(MessageInstance node); |
| |
| boolean processPending(); |
| |
| String getTargetAddress(); |
| |
| boolean isMultiQueue(); |
| |
| void notifyWork(); |
| |
| void updateNotifyWorkDesired(); |
| |
| boolean isNotifyWorkDesired(); |
| |
| enum State |
| { |
| OPEN, CLOSED |
| } |
| |
| State getState(); |
| |
| void consumerAdded(MessageInstanceConsumer<T> sub); |
| |
| ListenableFuture<Void> consumerRemoved(MessageInstanceConsumer<T> sub); |
| |
| long getUnacknowledgedBytes(); |
| |
| long getUnacknowledgedMessages(); |
| |
| AMQPSession<?,T> getSession(); |
| |
| void send(final MessageInstanceConsumer<T> consumer, MessageInstance entry, boolean batch); |
| |
| boolean sendNextMessage(); |
| |
| void flushBatched(); |
| |
| void noMessagesAvailable(); |
| |
| boolean allocateCredit(ServerMessage msg); |
| |
| void restoreCredit(ServerMessage queueEntry); |
| |
| boolean isSuspended(); |
| |
| boolean close(); |
| |
| void queueDeleted(Queue queue, MessageInstanceConsumer sub); |
| } |