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The ActiveMQ Message Broker and Client implementations
/**
* 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.activemq.broker;
import java.net.URI;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import org.apache.activemq.broker.region.Destination;
import org.apache.activemq.broker.region.MessageReference;
import org.apache.activemq.broker.region.Subscription;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.BrokerId;
import org.apache.activemq.command.BrokerInfo;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.DestinationInfo;
import org.apache.activemq.command.Message;
import org.apache.activemq.command.MessageAck;
import org.apache.activemq.command.MessageDispatch;
import org.apache.activemq.command.MessageDispatchNotification;
import org.apache.activemq.command.MessagePull;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.command.RemoveSubscriptionInfo;
import org.apache.activemq.command.Response;
import org.apache.activemq.command.SessionInfo;
import org.apache.activemq.command.TransactionId;
import org.apache.activemq.kaha.Store;
import org.apache.activemq.usage.Usage;
/**
* Dumb implementation - used to be overriden by listeners
*
* @version $Revision$
*/
public class EmptyBroker implements Broker {
public BrokerId getBrokerId() {
return null;
}
public String getBrokerName() {
return null;
}
public Broker getAdaptor(Class type) {
if (type.isInstance(this)) {
return this;
}
return null;
}
@SuppressWarnings("unchecked")
public Map getDestinationMap() {
return Collections.EMPTY_MAP;
}
public Set getDestinations(ActiveMQDestination destination) {
return Collections.EMPTY_SET;
}
public void addConnection(ConnectionContext context, ConnectionInfo info) throws Exception {
}
public void removeConnection(ConnectionContext context, ConnectionInfo info, Throwable error) throws Exception {
}
public void addSession(ConnectionContext context, SessionInfo info) throws Exception {
}
public void removeSession(ConnectionContext context, SessionInfo info) throws Exception {
}
public void addProducer(ConnectionContext context, ProducerInfo info) throws Exception {
}
public void removeProducer(ConnectionContext context, ProducerInfo info) throws Exception {
}
public Connection[] getClients() throws Exception {
return null;
}
public ActiveMQDestination[] getDestinations() throws Exception {
return null;
}
public TransactionId[] getPreparedTransactions(ConnectionContext context) throws Exception {
return null;
}
public void beginTransaction(ConnectionContext context, TransactionId xid) throws Exception {
}
public int prepareTransaction(ConnectionContext context, TransactionId xid) throws Exception {
return 0;
}
public void rollbackTransaction(ConnectionContext context, TransactionId xid) throws Exception {
}
public void commitTransaction(ConnectionContext context, TransactionId xid, boolean onePhase) throws Exception {
}
public void forgetTransaction(ConnectionContext context, TransactionId transactionId) throws Exception {
}
public Destination addDestination(ConnectionContext context, ActiveMQDestination destination) throws Exception {
return null;
}
public void removeDestination(ConnectionContext context, ActiveMQDestination destination, long timeout) throws Exception {
}
public Subscription addConsumer(ConnectionContext context, ConsumerInfo info) throws Exception {
return null;
}
public void removeConsumer(ConnectionContext context, ConsumerInfo info) throws Exception {
}
public void removeSubscription(ConnectionContext context, RemoveSubscriptionInfo info) throws Exception {
}
public void send(ProducerBrokerExchange producerExchange, Message message) throws Exception {
}
public void acknowledge(ConsumerBrokerExchange consumerExchange, MessageAck ack) throws Exception {
}
public void gc() {
}
public void start() throws Exception {
}
public void stop() throws Exception {
}
public void addBroker(Connection connection, BrokerInfo info) {
}
public void removeBroker(Connection connection, BrokerInfo info) {
}
public BrokerInfo[] getPeerBrokerInfos() {
return null;
}
public void preProcessDispatch(MessageDispatch messageDispatch) {
}
public void postProcessDispatch(MessageDispatch messageDispatch) {
}
public void processDispatchNotification(MessageDispatchNotification messageDispatchNotification) throws Exception {
}
public boolean isStopped() {
return false;
}
public Set getDurableDestinations() {
return null;
}
public void addDestinationInfo(ConnectionContext context, DestinationInfo info) throws Exception {
}
public void removeDestinationInfo(ConnectionContext context, DestinationInfo info) throws Exception {
}
public boolean isFaultTolerantConfiguration() {
return false;
}
public ConnectionContext getAdminConnectionContext() {
return null;
}
public void setAdminConnectionContext(ConnectionContext adminConnectionContext) {
}
public Response messagePull(ConnectionContext context, MessagePull pull) throws Exception {
return null;
}
public Store getTempDataStore() {
return null;
}
public URI getVmConnectorURI() {
return null;
}
public void brokerServiceStarted() {
}
public BrokerService getBrokerService() {
return null;
}
public boolean isExpired(MessageReference messageReference) {
return false;
}
public void messageExpired(ConnectionContext context, MessageReference message) {
}
public void sendToDeadLetterQueue(ConnectionContext context, MessageReference messageReference) {
}
public Broker getRoot() {
return null;
}
public long getBrokerSequenceId() {
return -1l;
}
public void fastProducer(ConnectionContext context,ProducerInfo producerInfo) {
}
public void isFull(ConnectionContext context, Destination destination,Usage usage) {
}
public void messageConsumed(ConnectionContext context,MessageReference messageReference) {
}
public void messageDelivered(ConnectionContext context,MessageReference messageReference) {
}
public void messageDiscarded(ConnectionContext context,MessageReference messageReference) {
}
public void slowConsumer(ConnectionContext context,Destination destination, Subscription subs) {
}
public void nowMasterBroker() {
}
}