| /* |
| * |
| * 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.subscription; |
| |
| import static org.apache.qpid.server.logging.subjects.LogSubjectFormat.SUBSCRIPTION_FORMAT; |
| import static org.apache.qpid.server.logging.subjects.LogSubjectFormat.QUEUE_FORMAT; |
| |
| import org.apache.qpid.server.queue.AMQQueue; |
| import org.apache.qpid.server.queue.QueueEntry; |
| import org.apache.qpid.server.configuration.ConfigStore; |
| import org.apache.qpid.server.configuration.ConfiguredObject; |
| import org.apache.qpid.server.configuration.SessionConfig; |
| import org.apache.qpid.server.configuration.SubscriptionConfig; |
| import org.apache.qpid.server.configuration.SubscriptionConfigType; |
| import org.apache.qpid.server.flow.FlowCreditManager; |
| import org.apache.qpid.server.flow.CreditCreditManager; |
| import org.apache.qpid.server.flow.WindowCreditManager; |
| import org.apache.qpid.server.flow.FlowCreditManager_0_10; |
| import org.apache.qpid.server.filter.FilterManager; |
| import org.apache.qpid.server.logging.actors.CurrentActor; |
| import org.apache.qpid.server.logging.messages.SubscriptionMessages; |
| import org.apache.qpid.server.logging.LogActor; |
| import org.apache.qpid.server.logging.LogSubject; |
| import org.apache.qpid.server.logging.actors.SubscriptionActor; |
| import org.apache.qpid.server.message.ServerMessage; |
| import org.apache.qpid.server.message.MessageTransferMessage; |
| import org.apache.qpid.server.message.AMQMessage; |
| import org.apache.qpid.server.transport.ServerSession; |
| import org.apache.qpid.server.txn.ServerTransaction; |
| import org.apache.qpid.server.txn.AutoCommitTransaction; |
| import org.apache.qpid.transport.DeliveryProperties; |
| import org.apache.qpid.transport.Header; |
| import org.apache.qpid.transport.MessageAcceptMode; |
| import org.apache.qpid.transport.MessageAcquireMode; |
| import org.apache.qpid.transport.MessageCreditUnit; |
| import org.apache.qpid.transport.MessageDeliveryPriority; |
| import org.apache.qpid.transport.MessageFlowMode; |
| import org.apache.qpid.transport.MessageProperties; |
| import org.apache.qpid.transport.MessageTransfer; |
| import org.apache.qpid.transport.Method; |
| import org.apache.qpid.transport.Struct; |
| import org.apache.qpid.framing.AMQShortString; |
| import org.apache.qpid.framing.BasicContentHeaderProperties; |
| import org.apache.qpid.framing.FieldTable; |
| import org.apache.qpid.AMQException; |
| |
| import java.text.MessageFormat; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.UUID; |
| import java.util.concurrent.locks.Lock; |
| import java.util.concurrent.locks.ReentrantLock; |
| import java.util.concurrent.atomic.AtomicReference; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicLong; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.nio.ByteBuffer; |
| |
| public class Subscription_0_10 implements Subscription, FlowCreditManager.FlowCreditManagerListener, SubscriptionConfig, LogSubject |
| { |
| |
| private static final AtomicLong idGenerator = new AtomicLong(0); |
| // Create a simple ID that increments for ever new Subscription |
| private final long _subscriptionID = idGenerator.getAndIncrement(); |
| |
| private final QueueEntry.SubscriptionAcquiredState _owningState = new QueueEntry.SubscriptionAcquiredState(this); |
| private final QueueEntry.SubscriptionAssignedState _assignedState = new QueueEntry.SubscriptionAssignedState(this); |
| |
| private final Lock _stateChangeLock = new ReentrantLock(); |
| |
| private final AtomicReference<State> _state = new AtomicReference<State>(State.ACTIVE); |
| private AMQQueue.Context _queueContext; |
| private final AtomicBoolean _deleted = new AtomicBoolean(false); |
| |
| |
| private FlowCreditManager_0_10 _creditManager; |
| |
| private StateListener _stateListener = new StateListener() |
| { |
| |
| public void stateChange(Subscription sub, State oldState, State newState) |
| { |
| CurrentActor.get().message(SubscriptionMessages.STATE(newState.toString())); |
| } |
| }; |
| private AMQQueue _queue; |
| private final String _destination; |
| private boolean _noLocal; |
| private final FilterManager _filters; |
| private final MessageAcceptMode _acceptMode; |
| private final MessageAcquireMode _acquireMode; |
| private MessageFlowMode _flowMode; |
| private final ServerSession _session; |
| private AtomicBoolean _stopped = new AtomicBoolean(true); |
| private ConcurrentHashMap<Integer, QueueEntry> _sentMap = new ConcurrentHashMap<Integer, QueueEntry>(); |
| private static final Struct[] EMPTY_STRUCT_ARRAY = new Struct[0]; |
| |
| private LogActor _logActor; |
| private Map<String, Object> _properties = new ConcurrentHashMap<String, Object>(); |
| private UUID _id; |
| private String _traceExclude; |
| private String _trace; |
| private long _createTime = System.currentTimeMillis(); |
| private final AtomicLong _deliveredCount = new AtomicLong(0); |
| private final Map<String, Object> _arguments; |
| |
| |
| public Subscription_0_10(ServerSession session, String destination, MessageAcceptMode acceptMode, |
| MessageAcquireMode acquireMode, |
| MessageFlowMode flowMode, |
| FlowCreditManager_0_10 creditManager, |
| FilterManager filters,Map<String, Object> arguments) |
| { |
| _session = session; |
| _destination = destination; |
| _acceptMode = acceptMode; |
| _acquireMode = acquireMode; |
| _creditManager = creditManager; |
| _flowMode = flowMode; |
| _filters = filters; |
| _creditManager.addStateListener(this); |
| _arguments = arguments == null ? Collections.<String, Object> emptyMap() : |
| Collections.<String, Object> unmodifiableMap(arguments); |
| _state.set(_creditManager.hasCredit() ? State.ACTIVE : State.SUSPENDED); |
| |
| } |
| |
| public void setNoLocal(boolean noLocal) |
| { |
| _noLocal = noLocal; |
| } |
| |
| public AMQQueue getQueue() |
| { |
| return _queue; |
| } |
| |
| public QueueEntry.SubscriptionAcquiredState getOwningState() |
| { |
| return _owningState; |
| } |
| |
| public QueueEntry.SubscriptionAssignedState getAssignedState() |
| { |
| return _assignedState; |
| } |
| |
| public void setQueue(AMQQueue queue, boolean exclusive) |
| { |
| if(getQueue() != null) |
| { |
| throw new IllegalStateException("Attempt to set queue for subscription " + this + " to " + queue + "when already set to " + getQueue()); |
| } |
| _queue = queue; |
| Map<String, Object> arguments = queue.getArguments() == null ? Collections.EMPTY_MAP : queue.getArguments(); |
| _traceExclude = (String) arguments.get("qpid.trace.exclude"); |
| _trace = (String) arguments.get("qpid.trace.id"); |
| _id = getConfigStore().createId(); |
| getConfigStore().addConfiguredObject(this); |
| String filterLogString = null; |
| LogActor _logActor = CurrentActor.get(); |
| if (_logActor.getRootMessageLogger().isMessageEnabled(_logActor, this, SubscriptionMessages.CREATE_LOG_HIERARCHY)) |
| { |
| filterLogString = getFilterLogString(); |
| _logActor.message(SubscriptionMessages.CREATE(filterLogString, queue.isDurable() && exclusive, |
| filterLogString.length() > 0)); |
| } |
| |
| } |
| |
| public AMQShortString getConsumerTag() |
| { |
| return new AMQShortString(_destination); |
| } |
| |
| public boolean isSuspended() |
| { |
| return !isActive() || _deleted.get(); // TODO check for Session suspension |
| } |
| |
| public boolean hasInterest(QueueEntry entry) |
| { |
| |
| |
| |
| //check that the message hasn't been rejected |
| if (entry.isRejectedBy(this)) |
| { |
| |
| return false; |
| } |
| |
| |
| |
| if (_noLocal |
| && (entry.getMessage() instanceof MessageTransferMessage) |
| && ((MessageTransferMessage)entry.getMessage()).getSession() == _session) |
| { |
| return false; |
| } |
| |
| |
| return checkFilters(entry); |
| |
| |
| } |
| |
| private boolean checkFilters(QueueEntry entry) |
| { |
| return (_filters == null) || _filters.allAllow(entry); |
| } |
| |
| public boolean isAutoClose() |
| { |
| // no such thing in 0-10 |
| return false; |
| } |
| |
| public boolean isClosed() |
| { |
| return getState() == State.CLOSED; |
| } |
| |
| public boolean isBrowser() |
| { |
| return _acquireMode == MessageAcquireMode.NOT_ACQUIRED; |
| } |
| |
| public boolean seesRequeues() |
| { |
| return _acquireMode != MessageAcquireMode.NOT_ACQUIRED || _acceptMode == MessageAcceptMode.EXPLICIT; |
| } |
| |
| public void close() |
| { |
| boolean closed = false; |
| State state = getState(); |
| |
| _stateChangeLock.lock(); |
| try |
| { |
| while(!closed && state != State.CLOSED) |
| { |
| closed = _state.compareAndSet(state, State.CLOSED); |
| if(!closed) |
| { |
| state = getState(); |
| } |
| else |
| { |
| _stateListener.stateChange(this,state, State.CLOSED); |
| } |
| } |
| _creditManager.removeListener(this); |
| getConfigStore().removeConfiguredObject(this); |
| CurrentActor.get().message(getLogSubject(), SubscriptionMessages.CLOSE()); |
| } |
| finally |
| { |
| _stateChangeLock.unlock(); |
| } |
| |
| |
| |
| } |
| |
| public ConfigStore getConfigStore() |
| { |
| return getQueue().getConfigStore(); |
| } |
| |
| public Long getDelivered() |
| { |
| return _deliveredCount.get(); |
| } |
| |
| public void creditStateChanged(boolean hasCredit) |
| { |
| |
| if(hasCredit) |
| { |
| if(_state.compareAndSet(State.SUSPENDED, State.ACTIVE)) |
| { |
| _stateListener.stateChange(this, State.SUSPENDED, State.ACTIVE); |
| } |
| else |
| { |
| // this is a hack to get round the issue of increasing bytes credit |
| _stateListener.stateChange(this, State.ACTIVE, State.ACTIVE); |
| } |
| } |
| else |
| { |
| if(_state.compareAndSet(State.ACTIVE, State.SUSPENDED)) |
| { |
| _stateListener.stateChange(this, State.ACTIVE, State.SUSPENDED); |
| } |
| } |
| } |
| |
| |
| private class AddMessageDispositionListnerAction implements Runnable |
| { |
| public MessageTransfer _xfr; |
| public ServerSession.MessageDispositionChangeListener _action; |
| |
| public void run() |
| { |
| if(_action != null) |
| { |
| _session.onMessageDispositionChange(_xfr, _action); |
| } |
| } |
| } |
| |
| private final AddMessageDispositionListnerAction _postIdSettingAction = new AddMessageDispositionListnerAction(); |
| |
| public void send(final QueueEntry entry) throws AMQException |
| { |
| ServerMessage serverMsg = entry.getMessage(); |
| |
| |
| MessageTransfer xfr; |
| |
| DeliveryProperties deliveryProps; |
| MessageProperties messageProps = null; |
| |
| if(serverMsg instanceof MessageTransferMessage) |
| { |
| |
| MessageTransferMessage msg = (MessageTransferMessage) serverMsg; |
| |
| |
| Struct[] headers; |
| if(msg.getHeader() == null) |
| { |
| headers = EMPTY_STRUCT_ARRAY; |
| } |
| else |
| { |
| headers = msg.getHeader().getStructs(); |
| } |
| |
| ArrayList<Struct> newHeaders = new ArrayList<Struct>(headers.length); |
| DeliveryProperties origDeliveryProps = null; |
| for(Struct header : headers) |
| { |
| if(header instanceof DeliveryProperties) |
| { |
| origDeliveryProps = (DeliveryProperties) header; |
| } |
| else |
| { |
| if(header instanceof MessageProperties) |
| { |
| messageProps = (MessageProperties) header; |
| } |
| newHeaders.add(header); |
| } |
| } |
| |
| deliveryProps = new DeliveryProperties(); |
| if(origDeliveryProps != null) |
| { |
| if(origDeliveryProps.hasDeliveryMode()) |
| { |
| deliveryProps.setDeliveryMode(origDeliveryProps.getDeliveryMode()); |
| } |
| if(origDeliveryProps.hasExchange()) |
| { |
| deliveryProps.setExchange(origDeliveryProps.getExchange()); |
| } |
| if(origDeliveryProps.hasExpiration()) |
| { |
| deliveryProps.setExpiration(origDeliveryProps.getExpiration()); |
| } |
| if(origDeliveryProps.hasPriority()) |
| { |
| deliveryProps.setPriority(origDeliveryProps.getPriority()); |
| } |
| if(origDeliveryProps.hasRoutingKey()) |
| { |
| deliveryProps.setRoutingKey(origDeliveryProps.getRoutingKey()); |
| } |
| if(origDeliveryProps.hasTimestamp()) |
| { |
| deliveryProps.setTimestamp(origDeliveryProps.getTimestamp()); |
| } |
| |
| |
| } |
| |
| deliveryProps.setRedelivered(entry.isRedelivered()); |
| |
| newHeaders.add(deliveryProps); |
| |
| if(_trace != null && messageProps == null) |
| { |
| messageProps = new MessageProperties(); |
| newHeaders.add(messageProps); |
| } |
| |
| Header header = new Header(newHeaders); |
| |
| xfr = new MessageTransfer(_destination,_acceptMode,_acquireMode,header,msg.getBody()); |
| } |
| else if(serverMsg instanceof AMQMessage) |
| { |
| AMQMessage message_0_8 = (AMQMessage) serverMsg; |
| deliveryProps = new DeliveryProperties(); |
| messageProps = new MessageProperties(); |
| |
| int size = (int) message_0_8.getSize(); |
| ByteBuffer body = ByteBuffer.allocate(size); |
| message_0_8.getContent(body, 0); |
| body.flip(); |
| |
| Struct[] headers = new Struct[] { deliveryProps, messageProps }; |
| |
| BasicContentHeaderProperties properties = |
| (BasicContentHeaderProperties) message_0_8.getContentHeaderBody().properties; |
| final AMQShortString exchange = message_0_8.getMessagePublishInfo().getExchange(); |
| if(exchange != null) |
| { |
| deliveryProps.setExchange(exchange.toString()); |
| } |
| deliveryProps.setExpiration(message_0_8.getExpiration()); |
| deliveryProps.setImmediate(message_0_8.isImmediate()); |
| deliveryProps.setPriority(MessageDeliveryPriority.get(properties.getPriority())); |
| deliveryProps.setRedelivered(entry.isRedelivered()); |
| deliveryProps.setRoutingKey(message_0_8.getRoutingKey()); |
| deliveryProps.setTimestamp(properties.getTimestamp()); |
| |
| messageProps.setContentEncoding(properties.getEncodingAsString()); |
| messageProps.setContentLength(size); |
| if(properties.getAppId() != null) |
| { |
| messageProps.setAppId(properties.getAppId().getBytes()); |
| } |
| messageProps.setContentType(properties.getContentTypeAsString()); |
| if(properties.getCorrelationId() != null) |
| { |
| messageProps.setCorrelationId(properties.getCorrelationId().getBytes()); |
| } |
| |
| // TODO - ReplyTo |
| |
| if(properties.getUserId() != null) |
| { |
| messageProps.setUserId(properties.getUserId().getBytes()); |
| } |
| |
| FieldTable fieldTable = properties.getHeaders(); |
| |
| final Map<String, Object> appHeaders = FieldTable.convertToMap(fieldTable); |
| |
| |
| messageProps.setApplicationHeaders(appHeaders); |
| |
| Header header = new Header(headers); |
| xfr = new MessageTransfer(_destination,_acceptMode,_acquireMode,header, body); |
| } |
| else |
| { |
| |
| deliveryProps = new DeliveryProperties(); |
| messageProps = new MessageProperties(); |
| |
| int size = (int) serverMsg.getSize(); |
| ByteBuffer body = ByteBuffer.allocate(size); |
| serverMsg.getContent(body, 0); |
| body.flip(); |
| |
| Struct[] headers = new Struct[] { deliveryProps, messageProps }; |
| |
| |
| deliveryProps.setExpiration(serverMsg.getExpiration()); |
| deliveryProps.setImmediate(serverMsg.isImmediate()); |
| deliveryProps.setPriority(MessageDeliveryPriority.get(serverMsg.getMessageHeader().getPriority())); |
| deliveryProps.setRedelivered(entry.isRedelivered()); |
| deliveryProps.setRoutingKey(serverMsg.getRoutingKey()); |
| deliveryProps.setTimestamp(serverMsg.getMessageHeader().getTimestamp()); |
| |
| messageProps.setContentEncoding(serverMsg.getMessageHeader().getEncoding()); |
| messageProps.setContentLength(size); |
| messageProps.setContentType(serverMsg.getMessageHeader().getMimeType()); |
| if(serverMsg.getMessageHeader().getCorrelationId() != null) |
| { |
| messageProps.setCorrelationId(serverMsg.getMessageHeader().getCorrelationId().getBytes()); |
| } |
| |
| |
| // TODO - ReplyTo |
| |
| |
| final Map<String, Object> appHeaders = new HashMap<String, Object>(); |
| |
| /*properties.getHeaders().processOverElements( |
| new FieldTable.FieldTableElementProcessor() |
| { |
| |
| public boolean processElement(String propertyName, AMQTypedValue value) |
| { |
| Object val = value.getValue(); |
| if(val instanceof AMQShortString) |
| { |
| val = val.toString(); |
| } |
| appHeaders.put(propertyName, val); |
| return true; |
| } |
| |
| public Object getResult() |
| { |
| return appHeaders; |
| } |
| }); |
| |
| |
| messageProps.setApplicationHeaders(appHeaders); |
| */ |
| Header header = new Header(headers); |
| xfr = new MessageTransfer(_destination,_acceptMode,_acquireMode,header, body); |
| } |
| |
| boolean excludeDueToFederation = false; |
| |
| if(_trace != null) |
| { |
| if(!messageProps.hasApplicationHeaders()) |
| { |
| messageProps.setApplicationHeaders(new HashMap<String,Object>()); |
| } |
| Map<String,Object> appHeaders = messageProps.getApplicationHeaders(); |
| String trace = (String) appHeaders.get("x-qpid.trace"); |
| if(trace == null) |
| { |
| trace = _trace; |
| } |
| else |
| { |
| if(_traceExclude != null) |
| { |
| excludeDueToFederation = Arrays.asList(trace.split(",")).contains(_traceExclude); |
| } |
| trace+=","+_trace; |
| } |
| appHeaders.put("x-qpid.trace",trace); |
| } |
| |
| if(!excludeDueToFederation) |
| { |
| if(_acceptMode == MessageAcceptMode.NONE && _acquireMode != MessageAcquireMode.PRE_ACQUIRED) |
| { |
| xfr.setCompletionListener(new MessageAcceptCompletionListener(this, _session, entry, _flowMode == MessageFlowMode.WINDOW)); |
| } |
| else if(_flowMode == MessageFlowMode.WINDOW) |
| { |
| xfr.setCompletionListener(new Method.CompletionListener() |
| { |
| public void onComplete(Method method) |
| { |
| restoreCredit(entry); |
| } |
| }); |
| } |
| |
| |
| _postIdSettingAction._xfr = xfr; |
| if(_acceptMode == MessageAcceptMode.EXPLICIT) |
| { |
| _postIdSettingAction._action = new ExplicitAcceptDispositionChangeListener(entry, this); |
| } |
| else if(_acquireMode != MessageAcquireMode.PRE_ACQUIRED) |
| { |
| _postIdSettingAction._action = new ImplicitAcceptDispositionChangeListener(entry, this); |
| } |
| else |
| { |
| _postIdSettingAction._action = null; |
| } |
| |
| _session.sendMessage(xfr, _postIdSettingAction); |
| _deliveredCount.incrementAndGet(); |
| if(_acceptMode == MessageAcceptMode.NONE && _acquireMode == MessageAcquireMode.PRE_ACQUIRED) |
| { |
| forceDequeue(entry, false); |
| } |
| } |
| else |
| { |
| forceDequeue(entry, _flowMode == MessageFlowMode.WINDOW); |
| |
| } |
| } |
| |
| private void forceDequeue(final QueueEntry entry, final boolean restoreCredit) |
| { |
| ServerTransaction txn = new AutoCommitTransaction(getQueue().getVirtualHost().getTransactionLog()); |
| txn.dequeue(entry.getQueue(),entry.getMessage(), |
| new ServerTransaction.Action() |
| { |
| public void postCommit() |
| { |
| if(restoreCredit) |
| { |
| restoreCredit(entry); |
| } |
| entry.discard(); |
| } |
| |
| public void onRollback() |
| { |
| |
| } |
| }); |
| } |
| |
| void reject(QueueEntry entry) |
| { |
| entry.setRedelivered(); |
| entry.routeToAlternate(); |
| |
| } |
| |
| void release(QueueEntry entry) |
| { |
| entry.setRedelivered(); |
| entry.release(); |
| } |
| |
| public void queueDeleted(AMQQueue queue) |
| { |
| _deleted.set(true); |
| } |
| |
| public boolean wouldSuspend(QueueEntry msg) |
| { |
| return !_creditManager.useCreditForMessage(msg.getMessage()); |
| } |
| |
| public void getSendLock() |
| { |
| _stateChangeLock.lock(); |
| } |
| |
| public void releaseSendLock() |
| { |
| _stateChangeLock.unlock(); |
| } |
| |
| public void restoreCredit(QueueEntry queueEntry) |
| { |
| _creditManager.restoreCredit(1, queueEntry.getSize()); |
| } |
| |
| public void onDequeue(QueueEntry queueEntry) |
| { |
| |
| } |
| |
| public void setStateListener(StateListener listener) |
| { |
| _stateListener = listener; |
| } |
| |
| public State getState() |
| { |
| return _state.get(); |
| } |
| |
| public AMQQueue.Context getQueueContext() |
| { |
| return _queueContext; |
| } |
| |
| public void setQueueContext(AMQQueue.Context queueContext) |
| { |
| _queueContext = queueContext; |
| } |
| |
| public boolean isActive() |
| { |
| return getState() == State.ACTIVE; |
| } |
| |
| public void confirmAutoClose() |
| { |
| //No such thing in 0-10 |
| } |
| |
| public void set(String key, Object value) |
| { |
| _properties.put(key, value); |
| } |
| |
| public Object get(String key) |
| { |
| return _properties.get(key); |
| } |
| |
| |
| public FlowCreditManager_0_10 getCreditManager() |
| { |
| return _creditManager; |
| } |
| |
| |
| public void stop() |
| { |
| if(_state.compareAndSet(State.ACTIVE, State.SUSPENDED)) |
| { |
| _stateListener.stateChange(this, State.ACTIVE, State.SUSPENDED); |
| } |
| _stopped.set(true); |
| FlowCreditManager_0_10 creditManager = getCreditManager(); |
| creditManager.clearCredit(); |
| } |
| |
| public void addCredit(MessageCreditUnit unit, long value) |
| { |
| FlowCreditManager_0_10 creditManager = getCreditManager(); |
| |
| switch (unit) |
| { |
| case MESSAGE: |
| |
| creditManager.addCredit(value, 0L); |
| break; |
| case BYTE: |
| creditManager.addCredit(0l, value); |
| break; |
| } |
| |
| _stopped.set(false); |
| |
| if(creditManager.hasCredit()) |
| { |
| if(_state.compareAndSet(State.SUSPENDED, State.ACTIVE)) |
| { |
| _stateListener.stateChange(this, State.SUSPENDED, State.ACTIVE); |
| } |
| } |
| |
| } |
| |
| public void setFlowMode(MessageFlowMode flowMode) |
| { |
| |
| |
| _creditManager.removeListener(this); |
| |
| switch(flowMode) |
| { |
| case CREDIT: |
| _creditManager = new CreditCreditManager(0l,0l); |
| break; |
| case WINDOW: |
| _creditManager = new WindowCreditManager(0l,0l); |
| break; |
| default: |
| throw new RuntimeException("Unknown message flow mode: " + flowMode); |
| } |
| _flowMode = flowMode; |
| if(_state.compareAndSet(State.ACTIVE, State.SUSPENDED)) |
| { |
| _stateListener.stateChange(this, State.ACTIVE, State.SUSPENDED); |
| } |
| |
| _creditManager.addStateListener(this); |
| |
| } |
| |
| public boolean isStopped() |
| { |
| return _stopped.get(); |
| } |
| |
| public boolean acquires() |
| { |
| return _acquireMode == MessageAcquireMode.PRE_ACQUIRED; |
| } |
| |
| public void acknowledge(QueueEntry entry) |
| { |
| // TODO Fix Store Context / cleanup |
| if(entry.isAcquiredBy(this)) |
| { |
| entry.discard(); |
| } |
| } |
| |
| public void flush() throws AMQException |
| { |
| _queue.flushSubscription(this); |
| stop(); |
| } |
| |
| public long getSubscriptionID() |
| { |
| return _subscriptionID; |
| } |
| |
| public LogActor getLogActor() |
| { |
| return _logActor; |
| } |
| |
| public boolean isTransient() |
| { |
| return false; |
| } |
| |
| ServerSession getSession() |
| { |
| return _session; |
| } |
| |
| |
| public SessionConfig getSessionConfig() |
| { |
| return getSession(); |
| } |
| |
| public boolean isBrowsing() |
| { |
| return _acquireMode == MessageAcquireMode.NOT_ACQUIRED; |
| } |
| |
| public boolean isExclusive() |
| { |
| return getQueue().hasExclusiveSubscriber(); |
| } |
| |
| public ConfiguredObject getParent() |
| { |
| return getSessionConfig(); |
| } |
| |
| public boolean isDurable() |
| { |
| return false; |
| } |
| |
| public SubscriptionConfigType getConfigType() |
| { |
| return SubscriptionConfigType.getInstance(); |
| } |
| |
| public boolean isExplicitAcknowledge() |
| { |
| return _acceptMode == MessageAcceptMode.EXPLICIT; |
| } |
| |
| public String getCreditMode() |
| { |
| return _flowMode.toString(); |
| } |
| |
| public UUID getId() |
| { |
| return _id; |
| } |
| |
| public String getName() |
| { |
| return _destination; |
| } |
| |
| public Map<String, Object> getArguments() |
| { |
| return _arguments; |
| } |
| |
| public boolean isSessionTransactional() |
| { |
| return _session.isTransactional(); |
| } |
| |
| public long getCreateTime() |
| { |
| return _createTime; |
| } |
| |
| public String toLogString() |
| { |
| String queueInfo = MessageFormat.format(QUEUE_FORMAT, _queue.getVirtualHost().getName(), |
| _queue.getNameShortString()); |
| String result = "[" + MessageFormat.format(SUBSCRIPTION_FORMAT, getSubscriptionID()) + |
| "(" + queueInfo.trim() + ")" + "] "; |
| return result; |
| } |
| |
| private String getFilterLogString() |
| { |
| StringBuilder filterLogString = new StringBuilder(); |
| String delimiter = ", "; |
| boolean hasEntries = false; |
| if (_filters != null && _filters.hasFilters()) |
| { |
| filterLogString.append(_filters.toString()); |
| hasEntries = true; |
| } |
| |
| if (isBrowser()) |
| { |
| if (hasEntries) |
| { |
| filterLogString.append(delimiter); |
| } |
| filterLogString.append("Browser"); |
| hasEntries = true; |
| } |
| |
| if (isDurable()) |
| { |
| if (hasEntries) |
| { |
| filterLogString.append(delimiter); |
| } |
| filterLogString.append("Durable"); |
| hasEntries = true; |
| } |
| |
| return filterLogString.toString(); |
| } |
| |
| public LogSubject getLogSubject() |
| { |
| return (LogSubject) this; |
| } |
| |
| } |
