| /* |
| * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| 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. |