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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.message;
import org.apache.qpid.server.consumer.Consumer;
import org.apache.qpid.server.consumer.ConsumerTarget;
import org.apache.qpid.server.filter.FilterManager;
import org.apache.qpid.server.protocol.AMQSessionModel;
import org.apache.qpid.server.security.AuthorizationHolder;
import org.apache.qpid.server.security.QpidSecurityException;
import org.apache.qpid.server.store.TransactionLogResource;
import java.util.Collection;
import java.util.EnumSet;
public interface MessageSource<C extends Consumer, S extends MessageSource<C,S>> extends TransactionLogResource, MessageNode
{
<T extends ConsumerTarget> C addConsumer(T target, FilterManager filters,
Class<? extends ServerMessage> messageClass,
String consumerName, EnumSet<Consumer.Option> options)
throws ExistingExclusiveConsumer, ExistingConsumerPreventsExclusive, QpidSecurityException,
ConsumerAccessRefused;
Collection<C> getConsumers();
void addConsumerRegistrationListener(ConsumerRegistrationListener<S> listener);
void removeConsumerRegistrationListener(ConsumerRegistrationListener<S> listener);
boolean isExclusive();
boolean verifySessionAccess(AMQSessionModel<?,?> session);
interface ConsumerRegistrationListener<Q extends MessageSource<? extends Consumer,?>>
{
void consumerAdded(Q source, Consumer consumer);
void consumerRemoved(Q queue, Consumer consumer);
}
/**
* ExistingExclusiveConsumer signals a failure to create a consumer, because an exclusive consumer
* already exists.
*
* <p/><table id="crc"><caption>CRC Card</caption>
* <tr><th> Responsibilities <th> Collaborations
* <tr><td> Represent failure to create a consumer, because an exclusive consumer already exists.
* </table>
* *
* @todo Move to top level, used outside this class.
*/
static final class ExistingExclusiveConsumer extends Exception
{
public ExistingExclusiveConsumer()
{
}
}
/**
* ExistingConsumerPreventsExclusive signals a failure to create an exclusive consumer, as a consumer
* already exists.
*
* <p/><table id="crc"><caption>CRC Card</caption>
* <tr><th> Responsibilities <th> Collaborations
* <tr><td> Represent failure to create an exclusive consumer, as a consumer already exists.
* </table>
* *
* @todo Move to top level, used outside this class.
*/
static final class ExistingConsumerPreventsExclusive extends Exception
{
public ExistingConsumerPreventsExclusive()
{
}
}
static final class ConsumerAccessRefused extends Exception
{
public ConsumerAccessRefused()
{
}
}
}
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