diff options
Diffstat (limited to 'qpid/java/broker/src/main/java/org/apache/qpid/server/state/AMQStateManager.java')
| -rw-r--r-- | qpid/java/broker/src/main/java/org/apache/qpid/server/state/AMQStateManager.java | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/state/AMQStateManager.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/state/AMQStateManager.java deleted file mode 100644 index c5b3099f58..0000000000 --- a/qpid/java/broker/src/main/java/org/apache/qpid/server/state/AMQStateManager.java +++ /dev/null @@ -1,263 +0,0 @@ -/* - * - * 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.state; - -import java.util.EnumMap; -import java.util.HashMap; -import java.util.Map; -import java.util.concurrent.CopyOnWriteArraySet; - -import org.apache.log4j.Logger; - -import org.apache.qpid.AMQException; -import org.apache.qpid.AMQConnectionException; -import org.apache.qpid.framing.*; -import org.apache.qpid.protocol.AMQMethodEvent; -import org.apache.qpid.protocol.AMQMethodListener; -import org.apache.qpid.protocol.AMQConstant; -import org.apache.qpid.server.handler.BasicAckMethodHandler; -import org.apache.qpid.server.handler.BasicCancelMethodHandler; -import org.apache.qpid.server.handler.BasicConsumeMethodHandler; -import org.apache.qpid.server.handler.BasicGetMethodHandler; -import org.apache.qpid.server.handler.BasicPublishMethodHandler; -import org.apache.qpid.server.handler.BasicQosHandler; -import org.apache.qpid.server.handler.BasicRecoverMethodHandler; -import org.apache.qpid.server.handler.BasicRejectMethodHandler; -import org.apache.qpid.server.handler.ChannelCloseHandler; -import org.apache.qpid.server.handler.ChannelCloseOkHandler; -import org.apache.qpid.server.handler.ChannelFlowHandler; -import org.apache.qpid.server.handler.ChannelOpenHandler; -import org.apache.qpid.server.handler.ConnectionCloseMethodHandler; -import org.apache.qpid.server.handler.ConnectionCloseOkMethodHandler; -import org.apache.qpid.server.handler.ConnectionOpenMethodHandler; -import org.apache.qpid.server.handler.ConnectionSecureOkMethodHandler; -import org.apache.qpid.server.handler.ConnectionStartOkMethodHandler; -import org.apache.qpid.server.handler.ConnectionTuneOkMethodHandler; -import org.apache.qpid.server.handler.ExchangeBoundHandler; -import org.apache.qpid.server.handler.ExchangeDeclareHandler; -import org.apache.qpid.server.handler.ExchangeDeleteHandler; -import org.apache.qpid.server.handler.QueueBindHandler; -import org.apache.qpid.server.handler.QueueDeclareHandler; -import org.apache.qpid.server.handler.QueueDeleteHandler; -import org.apache.qpid.server.handler.QueuePurgeHandler; -import org.apache.qpid.server.handler.TxCommitHandler; -import org.apache.qpid.server.handler.TxRollbackHandler; -import org.apache.qpid.server.handler.TxSelectHandler; -import org.apache.qpid.server.protocol.AMQProtocolSession; -import org.apache.qpid.server.virtualhost.VirtualHostRegistry; - -/** - * The state manager is responsible for managing the state of the protocol session. <p/> For each AMQProtocolHandler - * there is a separate state manager. - */ -public class AMQStateManager implements AMQMethodListener -{ - private static final Logger _logger = Logger.getLogger(AMQStateManager.class); - - private final VirtualHostRegistry _virtualHostRegistry; - private final AMQProtocolSession _protocolSession; - /** The current state */ - private AMQState _currentState; - - /** - * Maps from an AMQState instance to a Map from Class to StateTransitionHandler. The class must be a subclass of - * AMQFrame. - */ -/* private final EnumMap<AMQState, Map<Class<? extends AMQMethodBody>, StateAwareMethodListener<? extends AMQMethodBody>>> _state2HandlersMap = - new EnumMap<AMQState, Map<Class<? extends AMQMethodBody>, StateAwareMethodListener<? extends AMQMethodBody>>>( - AMQState.class); - */ - - - private CopyOnWriteArraySet<StateListener> _stateListeners = new CopyOnWriteArraySet<StateListener>(); - - public AMQStateManager(VirtualHostRegistry virtualHostRegistry, AMQProtocolSession protocolSession) - { - - _virtualHostRegistry = virtualHostRegistry; - _protocolSession = protocolSession; - _currentState = AMQState.CONNECTION_NOT_STARTED; - - } - - /* - protected void registerListeners() - { - Map<Class<? extends AMQMethodBody>, StateAwareMethodListener<? extends AMQMethodBody>> frame2handlerMap; - - frame2handlerMap = new HashMap<Class<? extends AMQMethodBody>, StateAwareMethodListener<? extends AMQMethodBody>>(); - _state2HandlersMap.put(AMQState.CONNECTION_NOT_STARTED, frame2handlerMap); - - frame2handlerMap = new HashMap<Class<? extends AMQMethodBody>, StateAwareMethodListener<? extends AMQMethodBody>>(); - _state2HandlersMap.put(AMQState.CONNECTION_NOT_AUTH, frame2handlerMap); - - frame2handlerMap = new HashMap<Class<? extends AMQMethodBody>, StateAwareMethodListener<? extends AMQMethodBody>>(); - _state2HandlersMap.put(AMQState.CONNECTION_NOT_TUNED, frame2handlerMap); - - frame2handlerMap = new HashMap<Class<? extends AMQMethodBody>, StateAwareMethodListener<? extends AMQMethodBody>>(); - frame2handlerMap.put(ConnectionOpenBody.class, ConnectionOpenMethodHandler.getInstance()); - _state2HandlersMap.put(AMQState.CONNECTION_NOT_OPENED, frame2handlerMap); - - // - // ConnectionOpen handlers - // - frame2handlerMap = new HashMap<Class<? extends AMQMethodBody>, StateAwareMethodListener<? extends AMQMethodBody>>(); - ChannelOpenHandler.getInstance(); - ChannelCloseHandler.getInstance(); - ChannelCloseOkHandler.getInstance(); - ConnectionCloseMethodHandler.getInstance(); - ConnectionCloseOkMethodHandler.getInstance(); - ConnectionTuneOkMethodHandler.getInstance(); - ConnectionSecureOkMethodHandler.getInstance(); - ConnectionStartOkMethodHandler.getInstance(); - ExchangeDeclareHandler.getInstance(); - ExchangeDeleteHandler.getInstance(); - ExchangeBoundHandler.getInstance(); - BasicAckMethodHandler.getInstance(); - BasicRecoverMethodHandler.getInstance(); - BasicConsumeMethodHandler.getInstance(); - BasicGetMethodHandler.getInstance(); - BasicCancelMethodHandler.getInstance(); - BasicPublishMethodHandler.getInstance(); - BasicQosHandler.getInstance(); - QueueBindHandler.getInstance(); - QueueDeclareHandler.getInstance(); - QueueDeleteHandler.getInstance(); - QueuePurgeHandler.getInstance(); - ChannelFlowHandler.getInstance(); - TxSelectHandler.getInstance(); - TxCommitHandler.getInstance(); - TxRollbackHandler.getInstance(); - BasicRejectMethodHandler.getInstance(); - - _state2HandlersMap.put(AMQState.CONNECTION_OPEN, frame2handlerMap); - - frame2handlerMap = new HashMap<Class<? extends AMQMethodBody>, StateAwareMethodListener<? extends AMQMethodBody>>(); - - _state2HandlersMap.put(AMQState.CONNECTION_CLOSING, frame2handlerMap); - - } */ - - public AMQState getCurrentState() - { - return _currentState; - } - - public void changeState(AMQState newState) throws AMQException - { - _logger.debug("State changing to " + newState + " from old state " + _currentState); - final AMQState oldState = _currentState; - _currentState = newState; - - for (StateListener l : _stateListeners) - { - l.stateChanged(oldState, newState); - } - } - - public void error(Exception e) - { - _logger.error("State manager received error notification[Current State:" + _currentState + "]: " + e, e); - for (StateListener l : _stateListeners) - { - l.error(e); - } - } - - public <B extends AMQMethodBody> boolean methodReceived(AMQMethodEvent<B> evt) throws AMQException - { - MethodDispatcher dispatcher = _protocolSession.getMethodDispatcher(); - - final int channelId = evt.getChannelId(); - B body = evt.getMethod(); - - if(channelId != 0 && _protocolSession.getChannel(channelId)== null) - { - - if(! ((body instanceof ChannelOpenBody) - || (body instanceof ChannelCloseOkBody) - || (body instanceof ChannelCloseBody))) - { - throw body.getConnectionException(AMQConstant.CHANNEL_ERROR, "channel is closed"); - } - - } - - return body.execute(dispatcher, channelId); - - } - - private <B extends AMQMethodBody> void checkChannel(AMQMethodEvent<B> evt, AMQProtocolSession protocolSession) - throws AMQException - { - if ((evt.getChannelId() != 0) && !(evt.getMethod() instanceof ChannelOpenBody) - && (protocolSession.getChannel(evt.getChannelId()) == null) - && !protocolSession.channelAwaitingClosure(evt.getChannelId())) - { - throw evt.getMethod().getChannelNotFoundException(evt.getChannelId()); - } - } - -/* - protected <B extends AMQMethodBody> StateAwareMethodListener<B> findStateTransitionHandler(AMQState currentState, - B frame) - // throws IllegalStateTransitionException - { - final Map<Class<? extends AMQMethodBody>, StateAwareMethodListener<? extends AMQMethodBody>> classToHandlerMap = - _state2HandlersMap.get(currentState); - - final StateAwareMethodListener<B> handler = - (classToHandlerMap == null) ? null : (StateAwareMethodListener<B>) classToHandlerMap.get(frame.getClass()); - - if (handler == null) - { - _logger.debug("No state transition handler defined for receiving frame " + frame); - - return null; - } - else - { - return handler; - } - } -*/ - - public void addStateListener(StateListener listener) - { - _logger.debug("Adding state listener"); - _stateListeners.add(listener); - } - - public void removeStateListener(StateListener listener) - { - _stateListeners.remove(listener); - } - - public VirtualHostRegistry getVirtualHostRegistry() - { - return _virtualHostRegistry; - } - - public AMQProtocolSession getProtocolSession() - { - return _protocolSession; - } -} |