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/*
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 *
 * Copyright (c) 2006-2018 Oracle and/or its affiliates. All rights reserved.
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 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
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 * or LICENSE.txt.  See the License for the specific
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 * file and include the License file at LICENSE.txt.
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package javax.ejb;

import java.lang.annotation.Target;
import static java.lang.annotation.ElementType.*;
import java.lang.annotation.Retention;
import static java.lang.annotation.RetentionPolicy.*;

import java.util.concurrent.TimeUnit;

/**
 * Specifies the amount of time a stateful session bean can
 * be idle (not receive any client invocations) before it
 * is eligible for removal by the container.
 * 
 * 
 * The semantics of the value element are as follows:
 * 

 * A value >0 indicates a timeout value in the units
 * specified by the unit element.
 * 
A value of 0 means the bean is immediately eligible for removal.
 * 
A value of -1 means the bean will never be removed due to timeout.
 * 

 * Values less than -1 are not valid.
 * 
 * @since EJB 3.1
 */

@Target(TYPE) 
@Retention(RUNTIME)
public @interface StatefulTimeout {

    /**
     * The amount of time the stateful session bean can be idle.
     *
     * The semantics of this element are as follows:
     * 
     * A value >0 indicates a timeout value in the units
     * specified by the unit element.
     * 
A value of 0 means the bean is immediately eligible for removal.
     * 
A value of -1 means the bean will never be removed due to timeout.
     * 
     * Values less than -1 are not valid.
     * 
     */
    long value();

    /**
     * Units used for the specified value.
     */
    TimeUnit unit() default TimeUnit.MINUTES;

}