simplepipe.java.svn-base

来自「cqME :java framework for TCK test.」· SVN-BASE 代码 · 共 140 行

/*
 * $Id$
 *
 * Copyright 1996-2007 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 *
 * This program 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.
 *
 * This program 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 at /legal/license.txt).
 *
 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 *
 */
package com.sun.tck.j2me.execution.javatest;

import java.util.LinkedList;
import java.util.Map;

import com.sun.tck.j2me.execution.queue.EventRegistry;
import com.sun.tck.j2me.execution.queue.IncomingQueue;
import com.sun.tck.j2me.execution.queue.OutgoingQueue;
import com.sun.tck.j2me.execution.queue.Request;
import com.sun.tck.j2me.services.ServiceFault;

/**
 * This class is simple Pipe implementation. Each object passed IncomingQueue
 * is available in OutgoingQueue. It does not do any blocking or notifications.
 */
class SimplePipe {
    public static final String DEFAULT_NAME
            = "com.sun.tck.j2me.execution.queue.pipes.SimplePipe:Default";

    LinkedList<Request> list = new LinkedList<Request>();
    private String name;

    private IncomingQueue in = new IncomingQueue() {

        public Request getRequest(Map<String, String> properties) {
            synchronized (list) {
                return (list.isEmpty() ? null : list.removeFirst());
            }
        }

        public void start() throws ServiceFault {
        }

        public void stop() throws ServiceFault {
        }
    };

    private OutgoingQueue out = new OutgoingQueue() {

        public void putRequest(Request request) {
            synchronized (list) {
                list.add(request);
            }
            synchronized (in) {
                in.notifyAll();
            }
        }

        public void start() throws ServiceFault {
        }

        public void stop() throws ServiceFault {
        }

        public boolean isBlocking() {
            return false;
        }
    };

    public SimplePipe() {
        this(DEFAULT_NAME);
    }

    public SimplePipe(String name) {
        this.name = name;
    }

    public IncomingQueue getIncomingQueue() {
        return in;
    }

    public OutgoingQueue getOutgoingQueue() {
        return out;
    }


    public void start() throws ServiceFault {
    }

    public void stop() throws ServiceFault {
//        Exception excp = new Exception("The requests are waiting of the completion.");
        synchronized (list) {
// TODO Next Release
//            if (requestFinalizer != null) {
//                for (Request request : list) {
//                    requestFinalizer.completeRequestAbnormally(request, getName(), excp);
//                }
//            }
            list.clear();
        }
    }

    public String getName() {
        return name;
    }

    public void setEventRegistry(EventRegistry registry) {
    }

// TODO Next Release
//    private RequestFinalizer requestFinalizer;
//
//    public void setRequestFinalizer(RequestFinalizer finalizer) {
//        this.requestFinalizer = finalizer;
//    }

    @Override
    public String toString() {
        synchronized (list) {
            return "SimplePipe(name=" + getName() + ", list=" + list + ")";
        }
    }
}