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/*
*
* 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.pool;
import org.apache.log4j.Logger;
import org.apache.mina.common.IoFilter;
import org.apache.mina.common.IoSession;
import org.apache.mina.common.IdleStatus;
/**
* Represents an operation on IoFilter.
*/
enum EventType
{
OPENED, CLOSED, READ, WRITE, WRITTEN, RECEIVED, SENT, IDLE, EXCEPTION
}
class Event
{
private static final Logger _log = Logger.getLogger(Event.class);
private final EventType type;
private final IoFilter.NextFilter nextFilter;
private final Object data;
public Event(IoFilter.NextFilter nextFilter, EventType type, Object data)
{
this.type = type;
this.nextFilter = nextFilter;
this.data = data;
if (type == EventType.EXCEPTION)
{
_log.error("Exception event constructed: " + data, (Throwable) data);
}
}
public Object getData()
{
return data;
}
public IoFilter.NextFilter getNextFilter()
{
return nextFilter;
}
public EventType getType()
{
return type;
}
void process(IoSession session)
{
if (_log.isDebugEnabled())
{
_log.debug("Processing " + this);
}
if (type == EventType.RECEIVED)
{
nextFilter.messageReceived(session, data);
//ByteBufferUtil.releaseIfPossible( data );
}
else if (type == EventType.SENT)
{
nextFilter.messageSent(session, data);
//ByteBufferUtil.releaseIfPossible( data );
}
else if (type == EventType.EXCEPTION)
{
nextFilter.exceptionCaught(session, (Throwable) data);
}
else if (type == EventType.IDLE)
{
nextFilter.sessionIdle(session, (IdleStatus) data);
}
else if (type == EventType.OPENED)
{
nextFilter.sessionOpened(session);
}
else if (type == EventType.WRITE)
{
nextFilter.filterWrite(session, (IoFilter.WriteRequest) data);
}
else if (type == EventType.CLOSED)
{
nextFilter.sessionClosed(session);
}
}
public String toString()
{
return "Event: type " + type + ", data: " + data;
}
}
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