diff options
Diffstat (limited to 'java/java/broker/src/org/apache/qpid/server/handler/ChannelFlowHandler.java')
-rw-r--r-- | java/java/broker/src/org/apache/qpid/server/handler/ChannelFlowHandler.java | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/java/java/broker/src/org/apache/qpid/server/handler/ChannelFlowHandler.java b/java/java/broker/src/org/apache/qpid/server/handler/ChannelFlowHandler.java new file mode 100644 index 0000000000..8417ada15f --- /dev/null +++ b/java/java/broker/src/org/apache/qpid/server/handler/ChannelFlowHandler.java @@ -0,0 +1,64 @@ +/* + * + * 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.handler; + +import org.apache.log4j.Logger; +import org.apache.qpid.server.state.AMQStateManager; +import org.apache.qpid.server.state.StateAwareMethodListener; +import org.apache.qpid.server.queue.QueueRegistry; +import org.apache.qpid.server.exchange.ExchangeRegistry; +import org.apache.qpid.server.protocol.AMQProtocolSession; +import org.apache.qpid.server.protocol.AMQMethodEvent; +import org.apache.qpid.server.AMQChannel; +import org.apache.qpid.framing.AMQFrame; +import org.apache.qpid.framing.ChannelFlowBody; +import org.apache.qpid.framing.ChannelFlowOkBody; +import org.apache.qpid.framing.ChannelCloseBody; +import org.apache.qpid.AMQException; + +public class ChannelFlowHandler implements StateAwareMethodListener<ChannelFlowBody> +{ + private static final Logger _logger = Logger.getLogger(ChannelFlowHandler.class); + + private static ChannelFlowHandler _instance = new ChannelFlowHandler(); + + public static ChannelFlowHandler getInstance() + { + return _instance; + } + + private ChannelFlowHandler() + { + } + + public void methodReceived(AMQStateManager stateManager, QueueRegistry queueRegistry, + ExchangeRegistry exchangeRegistry, AMQProtocolSession protocolSession, + AMQMethodEvent<ChannelFlowBody> evt) throws AMQException + { + ChannelFlowBody body = evt.getMethod(); + + AMQChannel channel = protocolSession.getChannel(evt.getChannelId()); + channel.setSuspended(!body.active); + _logger.debug("Channel.Flow for channel " + evt.getChannelId() + ", active=" + body.active); + + AMQFrame response = ChannelFlowOkBody.createAMQFrame(evt.getChannelId(), body.active); + protocolSession.writeFrame(response); + }} |