com.unboundid.util.CommandLineToolShutdownHook Maven / Gradle / Ivy
/*
* Copyright 2013-2021 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright 2013-2021 Ping Identity Corporation
*
* Licensed 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.
*/
/*
* Copyright (C) 2013-2021 Ping Identity Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
package com.unboundid.util;
import java.util.concurrent.atomic.AtomicReference;
import com.unboundid.ldap.sdk.ResultCode;
/**
* This class provides an implementation of a thread that will be invoked as a
* command-line tool shutdown hook for tools in which the
* {@link CommandLineTool#registerShutdownHook()} method is overridden to
* return {@code true}. It will simply invoke the tool's
* {@link CommandLineTool#doShutdownHookProcessing(ResultCode)} method.
*/
final class CommandLineToolShutdownHook
extends Thread
{
// A reference to the result code that will be returned by the tool (if set).
@NotNull private final AtomicReference resultCodeRef;
// The tool whose doShutdownHookProcessing method will be invoked.
@NotNull private final CommandLineTool tool;
/**
* Creates a new instance of this shutdown hook with the provided information.
*
* @param tool The tool whose {@code doShutdownHookProcessing}
* method will be called when this shutdown hook is
* invoked.
* @param resultCodeRef A reference to the result code that will be returned
* by the tool.
*/
CommandLineToolShutdownHook(@NotNull final CommandLineTool tool,
@NotNull final AtomicReference resultCodeRef)
{
this.tool = tool;
this.resultCodeRef = resultCodeRef;
}
/**
* Invokes the associated tool's {@code doShutdownHookProcessing} method.
*/
@Override()
public void run()
{
tool.doShutdownHookProcessing(resultCodeRef.get());
}
}