Mercurial > hg > blitz_stable
view src/com/go/trove/util/tq/TransactionQueueListener.java @ 27:511648fa4d64 Version 2.1
Version to 2.1
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Mon, 04 Jan 2010 13:00:40 +0000 |
parents | 3dc0c5604566 |
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/* ==================================================================== * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group * ==================================================================== * The Tea Software License, Version 1.1 * * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Walt Disney Internet Group (http://opensource.go.com/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must * not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact opensource@dig.com. * * 5. Products derived from this software may not be called "Tea", * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet", * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior * written permission of the Walt Disney Internet Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * For more information about Tea, please see http://opensource.go.com/. */ package com.go.trove.util.tq; import java.util.EventListener; /****************************************************************************** * Interface used to receive events from a {@link TransactionQueue}. * * @author Brian S O'Neill * @version * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 9/25/00 <!-- $--> * @see TransactionQueueAdapter */ public interface TransactionQueueListener extends EventListener { /** * Called if the transaction couldn't be enqueued because the queue is * full. The transaction is not cancelled. * * <p>The stage duration value in the event is zero. */ public void transactionQueueFull(TransactionQueueEvent e); /** * Called when the transaction is successfully enqueued. * * <p>The stage duration value in the event is zero. */ public void transactionEnqueued(TransactionQueueEvent e); /** * Called when the transaction is dequeued and ready to be serviced. * * <p>The stage duration value in the event represents the amount of time * the transaction was queued. */ public void transactionDequeued(TransactionQueueEvent e); /** * Called after the transaction has been serviced, unless an exception * was thrown while trying to service the transaction. * * <p>The stage duration value in the event represents the amount of time * the transaction took to service. */ public void transactionServiced(TransactionQueueEvent e); /** * Called if a transaction couldn't be serviced because it expired. * The transaction is cancelled. * * <p>The stage duration value in the event represents the age of the * expired transaction. */ public void transactionExpired(TransactionQueueEvent e); /** * Called if an exception was thrown while trying to service the * transaction. The transaction is cancelled. * * <p>The stage duration value in the event represents the amount of time * that passed servicing the transaction before an exception was thrown and * after the transaction is cancelled. */ public void transactionException(TransactionQueueEvent e); }