/*
* @(#)EventHandlerBase.java 1.10 05/11/17
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package com.sun.corba.se.impl.transport;
import java.nio.channels.SelectionKey;
import org.omg.CORBA.INTERNAL;
import com.sun.corba.se.pept.transport.Acceptor;
import com.sun.corba.se.pept.transport.Connection;
import com.sun.corba.se.pept.transport.EventHandler;
import com.sun.corba.se.spi.orb.ORB;
import com.sun.corba.se.spi.orbutil.threadpool.NoSuchThreadPoolException;
import com.sun.corba.se.spi.orbutil.threadpool.NoSuchWorkQueueException;
import com.sun.corba.se.spi.orbutil.threadpool.Work;
import com.sun.corba.se.impl.orbutil.ORBUtility;
public abstract class EventHandlerBase
implements
EventHandler
{
protected ORB orb;
protected Work work;
protected boolean useWorkerThreadForEvent;
protected boolean useSelectThreadToWait;
protected SelectionKey selectionKey;
////////////////////////////////////////////////////
//
// EventHandler methods
//
public void setUseSelectThreadToWait(boolean x)
{
useSelectThreadToWait = x;
}
public boolean shouldUseSelectThreadToWait()
{
return useSelectThreadToWait;
}
public void setSelectionKey(SelectionKey selectionKey)
{
this.selectionKey = selectionKey;
}
public SelectionKey getSelectionKey()
{
return selectionKey;
}
/*
* NOTE:
* This is not thread-safe by design.
* Only one thread should call it - a reader/listener/select thread.
* Not stateless: interest ops, registration.
*/
public void handleEvent()
{
if (orb.transportDebugFlag) {
dprint(".handleEvent->: " + this);
}
getSelectionKey().interestOps(getSelectionKey().interestOps() &
(~ getInterestOps()));
if (shouldUseWorkerThreadForEvent()) {
Throwable throwable = null;
try {
if (orb.transportDebugFlag) {
dprint(".handleEvent: addWork to pool: " + 0);
}
orb.getThreadPoolManager().getThreadPool(0)
.getWorkQueue(0).addWork(getWork());
} catch (NoSuchThreadPoolException e) {
throwable = e;
} catch (NoSuchWorkQueueException e) {
throwable = e;
}
// REVISIT: need to close connection.
if (throwable != null) {
if (orb.transportDebugFlag) {
dprint(".handleEvent: " + throwable);
}
INTERNAL i = new INTERNAL("NoSuchThreadPoolException");
i.initCause(throwable);
throw i;
}
} else {
if (orb.transportDebugFlag) {
dprint(".handleEvent: doWork");
}
getWork().doWork();
}
if (orb.transportDebugFlag) {
dprint(".handleEvent<-: " + this);
}
}
public boolean shouldUseWorkerThreadForEvent()
{
return useWorkerThreadForEvent;
}
public void setUseWorkerThreadForEvent(boolean x)
{
useWorkerThreadForEvent = x;
}
public void setWork(Work work)
{
this.work = work;
}
public Work getWork()
{
return work;
}
private void dprint(String msg)
{
ORBUtility.dprint("EventHandlerBase", msg);
}
}
// End of file.
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