SuspendableProcess.java :  » Content-Management-System » daisy » org » outerj » daisy » backuplock » spi » Java Open Source

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daisy » org » outerj » daisy » backuplock » spi » SuspendableProcess.java
/*
 * Copyright 2004 Outerthought bvba and Schaubroeck nv
 *
 * 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.
 */
package org.outerj.daisy.backuplock.spi;

/**
 * Interface to be implemented by processes that need to be suspended during backup.
 *
 * <p>The SuspendableProcess should be registered as a plugin with the
 * {@link org.outerj.daisy.plugin.PluginRegistry PluginRegistry}
 */
public interface SuspendableProcess {
    /**
     *
     * @param msecs if suspending doesn't succeeded within this time frame, return false
     * @return true except if suspending didn't succeed within the given time frame
     */
    boolean suspendExecution(long msecs) throws InterruptedException;

    void resumeExecution();
}
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