broker-core/src/main/java/org/apache/qpid/server/queue/QueueConsumer.java

/*
 *
 * 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
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package org.apache.qpid.server.queue;

import org.apache.qpid.server.message.MessageInstance;
import org.apache.qpid.server.model.Consumer;
import org.apache.qpid.server.model.Queue;

public interface QueueConsumer<X extends QueueConsumer<X>> extends Consumer<X>
{
    void flushBatched();

    void queueEmpty();

    boolean hasInterest(QueueEntry node);

    boolean wouldSuspend(QueueEntry entry);

    void restoreCredit(QueueEntry entry);

    void send(QueueEntry entry, boolean batch);

    void acquisitionRemoved(QueueEntry node);

    void queueDeleted();

    Queue<?> getQueue();

    boolean resend(QueueEntry e);

    MessageInstance.StealableConsumerAcquiredState<X> getOwningState();

    QueueContext getQueueContext();

    void awaitCredit(QueueEntry entry);

    boolean hasCredit();

    boolean isPullOnly();
}