content: /**
   * 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.Map;
  import java.util.Set;
  import java.util.concurrent.ThreadPoolExecutor;
  
  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.broker.region.virtual.VirtualDestination;
  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.ConsumerControl;
  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.store.PListStore;
  import org.apache.activemq.thread.Scheduler;
  import org.apache.activemq.usage.Usage;
  
  /**
   * Allows you to intercept broker operation so that features such as security
   * can be implemented as a pluggable filter.
   *
   *
   */
  public class BrokerFilter implements Broker {
  
      protected final Broker next;
  
      public BrokerFilter(Broker next) {
          this.next = next;
      }
  
      public Broker getNext() {
          return next;
      }
  
      @Override
      public Broker getAdaptor(Class<?> type) {
          return type.isInstance(this) ? this : getNext().getAdaptor(type);
      }
  
      @Override
      public Map<ActiveMQDestination, Destination> getDestinationMap() {
          return getNext().getDestinationMap();
      }
  
      @Override
      public Map<ActiveMQDestination, Destination> getDestinationMap(ActiveMQDestination destination) {
          return getNext().getDestinationMap(destination);
      }
  
      @Override
      public Set<Destination> getDestinations(ActiveMQDestination destination) {
          return getNext().getDestinations(destination);
      }
  
      @Override
      public void acknowledge(ConsumerBrokerExchange consumerExchange, MessageAck ack) throws Exception {
          getNext().acknowledge(consumerExchange, ack);
      }
  
      @Override
      public Response messagePull(ConnectionContext context, MessagePull pull) throws Exception {
          return getNext().messagePull(context, pull);
      }
  
      @Override
      public void addConnection(ConnectionContext context, ConnectionInfo info) throws Exception {
          getNext().addConnection(context, info);
      }
  
      @Override
      public Subscription addConsumer(ConnectionContext context, ConsumerInfo info) throws Exception {
          return getNext().addConsumer(context, info);
      }
  
      @Override
      public void addProducer(ConnectionContext context, ProducerInfo info) throws Exception {
          getNext().addProducer(context, info);
      }
  
      @Override
      public void commitTransaction(ConnectionContext context, TransactionId xid, boolean onePhase) throws Exception {
          getNext().commitTransaction(context, xid, onePhase);
      }
  
      @Override
      public void removeSubscription(ConnectionContext context, RemoveSubscriptionInfo info) throws Exception {
          getNext().removeSubscription(context, info);
      }
  
      @Override
      public TransactionId[] getPreparedTransactions(ConnectionContext context) throws Exception {
          return getNext().getPreparedTransactions(context);
      }
  
      @Override
      public int prepareTransaction(ConnectionContext context, TransactionId xid) throws Exception {
          return getNext().prepareTransaction(context, xid);
      }
  
      @Override
      public void removeConnection(ConnectionContext context, ConnectionInfo info, Throwable error) throws Exception {
          getNext().removeConnection(context, info, error);
      }
  
      @Override
      public void removeConsumer(ConnectionContext context, ConsumerInfo info) throws Exception {
          getNext().removeConsumer(context, info);
      }
  
      @Override
      public void removeProducer(ConnectionContext context, ProducerInfo info) throws Exception {
          getNext().removeProducer(context, info);
      }
  
      @Override
      public void rollbackTransaction(ConnectionContext context, TransactionId xid) throws Exception {
          getNext().rollbackTransaction(context, xid);
      }
  
      @Override
      public void send(ProducerBrokerExchange producerExchange, Message messageSend) throws Exception {
          getNext().send(producerExchange, messageSend);
      }
  
      @Override
      public void beginTransaction(ConnectionContext context, TransactionId xid) throws Exception {
          getNext().beginTransaction(context, xid);
      }
  
      @Override
      public void forgetTransaction(ConnectionContext context, TransactionId transactionId) throws Exception {
          getNext().forgetTransaction(context, transactionId);
      }
  
      @Override
      public Connection[] getClients() throws Exception {
          return getNext().getClients();
      }
  
      @Override
      public Destination addDestination(ConnectionContext context, ActiveMQDestination destination,boolean createIfTemporary) throws Exception {
          return getNext().addDestination(context, destination,createIfTemporary);
      }
  
      @Override
      public void removeDestination(ConnectionContext context, ActiveMQDestination destination, long timeout) throws Exception {
          getNext().removeDestination(context, destination, timeout);
      }
  
      @Override
      public ActiveMQDestination[] getDestinations() throws Exception {
          return getNext().getDestinations();
      }
  
      @Override
      public void start() throws Exception {
          getNext().start();
      }
  
      @Override
      public void stop() throws Exception {
          getNext().stop();
      }
  
      @Override
      public void addSession(ConnectionContext context, SessionInfo info) throws Exception {
          getNext().addSession(context, info);
      }
  
      @Override
      public void removeSession(ConnectionContext context, SessionInfo info) throws Exception {
          getNext().removeSession(context, info);
      }
  
      @Override
      public BrokerId getBrokerId() {
          return getNext().getBrokerId();
      }
  
      @Override
      public String getBrokerName() {
          return getNext().getBrokerName();
      }
  
      @Override
      public void gc() {
          getNext().gc();
      }
  
      @Override
      public void addBroker(Connection connection, BrokerInfo info) {
          getNext().addBroker(connection, info);
      }
  
      @Override
      public void removeBroker(Connection connection, BrokerInfo info) {
          getNext().removeBroker(connection, info);
      }
  
      @Override
      public BrokerInfo[] getPeerBrokerInfos() {
          return getNext().getPeerBrokerInfos();
      }
  
      @Override
      public void preProcessDispatch(MessageDispatch messageDispatch) {
          getNext().preProcessDispatch(messageDispatch);
      }
  
      @Override
      public void postProcessDispatch(MessageDispatch messageDispatch) {
          getNext().postProcessDispatch(messageDispatch);
      }
  
      @Override
      public void processDispatchNotification(MessageDispatchNotification messageDispatchNotification) throws Exception {
          getNext().processDispatchNotification(messageDispatchNotification);
      }
  
      @Override
      public boolean isStopped() {
          return getNext().isStopped();
      }
  
      @Override
      public Set<ActiveMQDestination> getDurableDestinations() {
          return getNext().getDurableDestinations();
      }
  
      @Override
      public void addDestinationInfo(ConnectionContext context, DestinationInfo info) throws Exception {
          getNext().addDestinationInfo(context, info);
      }
  
      @Override
      public void removeDestinationInfo(ConnectionContext context, DestinationInfo info) throws Exception {
          getNext().removeDestinationInfo(context, info);
      }
  
      @Override
      public boolean isFaultTolerantConfiguration() {
          return getNext().isFaultTolerantConfiguration();
      }
  
      @Override
      public ConnectionContext getAdminConnectionContext() {
          return getNext().getAdminConnectionContext();
      }
  
      @Override
      public void setAdminConnectionContext(ConnectionContext adminConnectionContext) {
          getNext().setAdminConnectionContext(adminConnectionContext);
      }
  
      @Override
      public PListStore getTempDataStore() {
          return getNext().getTempDataStore();
      }
  
      @Override
      public URI getVmConnectorURI() {
          return getNext().getVmConnectorURI();
      }
  
      @Override
      public void brokerServiceStarted() {
          getNext().brokerServiceStarted();
      }
  
      @Override
      public BrokerService getBrokerService() {
          return getNext().getBrokerService();
      }
  
      @Override
      public boolean isExpired(MessageReference messageReference) {
          return getNext().isExpired(messageReference);
      }
  
      @Override
      public void messageExpired(ConnectionContext context, MessageReference message, Subscription subscription) {
          getNext().messageExpired(context, message, subscription);
      }
  
      @Override
      public boolean sendToDeadLetterQueue(ConnectionContext context, MessageReference messageReference,
                                           Subscription subscription, Throwable poisonCause) {
          return getNext().sendToDeadLetterQueue(context, messageReference, subscription, poisonCause);
      }
  
      @Override
      public Broker getRoot() {
          return getNext().getRoot();
      }
  
      @Override
      public long getBrokerSequenceId() {
          return getNext().getBrokerSequenceId();
      }
  
  
      @Override
      public void fastProducer(ConnectionContext context,ProducerInfo producerInfo,ActiveMQDestination destination) {
          getNext().fastProducer(context, producerInfo, destination);
      }
  
      @Override
      public void isFull(ConnectionContext context,Destination destination, Usage<?> usage) {
          getNext().isFull(context,destination, usage);
      }
  
      @Override
      public void messageConsumed(ConnectionContext context,MessageReference messageReference) {
          getNext().messageConsumed(context, messageReference);
      }
  
      @Override
      public void messageDelivered(ConnectionContext context,MessageReference messageReference) {
          getNext().messageDelivered(context, messageReference);
      }
  
      @Override
      public void messageDispatched(ConnectionContext context, Subscription sub, MessageReference messageReference) {
          getNext().messageDispatched(context, sub, messageReference);
      }
  
      @Override
      public void messageDiscarded(ConnectionContext context,Subscription sub, MessageReference messageReference) {
          getNext().messageDiscarded(context, sub, messageReference);
      }
  
      @Override
      public void slowConsumer(ConnectionContext context, Destination destination,Subscription subs) {
          getNext().slowConsumer(context, destination,subs);
      }
  
      @Override
      public void virtualDestinationAdded(ConnectionContext context,
              VirtualDestination virtualDestination) {
          getNext().virtualDestinationAdded(context, virtualDestination);
      }
  
      @Override
      public void virtualDestinationRemoved(ConnectionContext context,
              VirtualDestination virtualDestination) {
          getNext().virtualDestinationRemoved(context, virtualDestination);
      }
  
      @Override
      public void nowMasterBroker() {
          getNext().nowMasterBroker();
      }
  
      @Override
      public void processConsumerControl(ConsumerBrokerExchange consumerExchange,
              ConsumerControl control) {
          getNext().processConsumerControl(consumerExchange, control);
      }
  
      @Override
      public void reapplyInterceptor() {
          getNext().reapplyInterceptor();
      }
  
      @Override
      public Scheduler getScheduler() {
         return getNext().getScheduler();
      }
  
      @Override
      public ThreadPoolExecutor getExecutor() {
         return getNext().getExecutor();
      }
  
      @Override
      public void networkBridgeStarted(BrokerInfo brokerInfo, boolean createdByDuplex, String remoteIp) {
          getNext().networkBridgeStarted(brokerInfo, createdByDuplex, remoteIp);
      }
  
      @Override
      public void networkBridgeStopped(BrokerInfo brokerInfo) {
          getNext().networkBridgeStopped(brokerInfo);
      }
  }
  