JDK14/Java14源码在线阅读

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 in the LICENSE file that
 * accompanied this code).
 *
 * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package javax.management.timer;



// java imports
//
import java.util.Date;
import java.util.Vector;
// NPCTE fix for bugId 4464388, esc 0,  MR , to be added after modification of jmx spec
//import java.io.Serializable;
// end of NPCTE fix for bugId 4464388

// jmx imports
//
import javax.management.InstanceNotFoundException;

/**
 * Exposes the management interface of the timer MBean.
 *
 * @since 1.5
 */
public interface TimerMBean {

    /**
     * Starts the timer.
     * <P>
     * If there is one or more timer notifications before the time in the list of notifications, the notification
     * is sent according to the <CODE>sendPastNotifications</CODE> flag and then, updated
     * according to its period and remaining number of occurrences.
     * If the timer notification date remains earlier than the current date, this notification is just removed
     * from the list of notifications.
     */
    public void start();

    /**
     * Stops the timer.
     */
    public void stop();

    /**
     * Creates a new timer notification with the specified <CODE>type</CODE>, <CODE>message</CODE>
     * and <CODE>userData</CODE> and inserts it into the list of notifications with a given date,
     * period and number of occurrences.
     * <P>
     * If the timer notification to be inserted has a date that is before the current date,
     * the method behaves as if the specified date were the current date. <BR>
     * For once-off notifications, the notification is delivered immediately. <BR>
     * For periodic notifications, the first notification is delivered immediately and the
     * subsequent ones are spaced as specified by the period parameter.
     * <P>
     * Note that once the timer notification has been added into the list of notifications,
     * its associated date, period and number of occurrences cannot be updated.
     * <P>
     * In the case of a periodic notification, the value of parameter <i>fixedRate</i> is used to
     * specify the execution scheme, as specified in {@link java.util.Timer}.
     *
     * @param type The timer notification type.
     * @param message The timer notification detailed message.
     * @param userData The timer notification user data object.
     * @param date The date when the notification occurs.
     * @param period The period of the timer notification (in milliseconds).
     * @param nbOccurences The total number the timer notification will be emitted.
     * @param fixedRate If <code>true</code> and if the notification is periodic, the notification
     *                  is scheduled with a <i>fixed-rate</i> execution scheme. If
     *                  <code>false</code> and if the notification is periodic, the notification
     *                  is scheduled with a <i>fixed-delay</i> execution scheme. Ignored if the
     *                  notification is not periodic.
     *
     * @return The identifier of the new created timer notification.
     *
     * @exception java.lang.IllegalArgumentException The date is {@code null} or
     * the period or the number of occurrences is negative.
     *
     * @see #addNotification(String, String, Object, Date, long, long)
     */
// NPCTE fix for bugId 4464388, esc 0,  MR, to be added after modification of jmx spec
//  public synchronized Integer addNotification(String type, String message, Serializable userData,
//                                                Date date, long period, long nbOccurences)
// end of NPCTE fix for bugId 4464388

    public Integer addNotification(String type, String message, Object userData,
                                   Date date, long period, long nbOccurences, boolean fixedRate)
        throws java.lang.IllegalArgumentException;

    /**
     * Creates a new timer notification with the specified <CODE>type</CODE>, <CODE>message</CODE>
     * and <CODE>userData</CODE> and inserts it into the list of notifications with a given date,
     * period and number of occurrences.
     * <P>
     * If the timer notification to be inserted has a date that is before the current date,
     * the method behaves as if the specified date were the current date. <BR>
     * For once-off notifications, the notification is delivered immediately. <BR>
     * For periodic notifications, the first notification is delivered immediately and the
     * subsequent ones are spaced as specified by the period parameter.
     * <P>
     * Note that once the timer notification has been added into the list of notifications,
     * its associated date, period and number of occurrences cannot be updated.
     * <P>
     * In the case of a periodic notification, uses a <i>fixed-delay</i> execution scheme, as specified in
     * {@link java.util.Timer}. In order to use a <i>fixed-rate</i> execution scheme, use
     * {@link #addNotification(String, String, Object, Date, long, long, boolean)} instead.
     *
     * @param type The timer notification type.
     * @param message The timer notification detailed message.
     * @param userData The timer notification user data object.
     * @param date The date when the notification occurs.
     * @param period The period of the timer notification (in milliseconds).
     * @param nbOccurences The total number the timer notification will be emitted.
     *
     * @return The identifier of the new created timer notification.
     *
     * @exception java.lang.IllegalArgumentException The date is {@code null} or
     * the period or the number of occurrences is negative.
     *
     * @see #addNotification(String, String, Object, Date, long, long, boolean)
     */
// NPCTE fix for bugId 4464388, esc 0,  MR , to be added after modification of jmx spec
//  public synchronized Integer addNotification(String type, String message, Serializable userData,
//                                              Date date, long period)
// end of NPCTE fix for bugId 4464388 */

    public Integer addNotification(String type, String message, Object userData,
                                   Date date, long period, long nbOccurences)
        throws java.lang.IllegalArgumentException;

    /**
     * Creates a new timer notification with the specified <CODE>type</CODE>, <CODE>message</CODE>
     * and <CODE>userData</CODE> and inserts it into the list of notifications with a given date
     * and period and a null number of occurrences.
     * <P>
     * The timer notification will repeat continuously using the timer period using a <i>fixed-delay</i>
     * execution scheme, as specified in {@link java.util.Timer}. In order to use a <i>fixed-rate</i>
     * execution scheme, use {@link #addNotification(String, String, Object, Date, long, long,
     * boolean)} instead.
     * <P>
     * If the timer notification to be inserted has a date that is before the current date,
     * the method behaves as if the specified date were the current date. The
     * first notification is delivered immediately and the subsequent ones are
     * spaced as specified by the period parameter.
     *
     * @param type The timer notification type.
     * @param message The timer notification detailed message.
     * @param userData The timer notification user data object.
     * @param date The date when the notification occurs.
     * @param period The period of the timer notification (in milliseconds).
     *
     * @return The identifier of the new created timer notification.
     *
     * @exception java.lang.IllegalArgumentException The date is {@code null} or
     * the period is negative.
     */
// NPCTE fix for bugId 4464388, esc 0,  MR , to be added after modification of jmx spec
//  public synchronized Integer addNotification(String type, String message, Serializable userData,
//                                              Date date, long period)
// end of NPCTE fix for bugId 4464388 */

    public Integer addNotification(String type, String message, Object userData,
                                   Date date, long period)
        throws java.lang.IllegalArgumentException;

    /**
     * Creates a new timer notification with the specified <CODE>type</CODE>, <CODE>message</CODE>
     * and <CODE>userData</CODE> and inserts it into the list of notifications with a given date
     * and a null period and number of occurrences.
     * <P>
     * The timer notification will be handled once at the specified date.
     * <P>
     * If the timer notification to be inserted has a date that is before the current date,
     * the method behaves as if the specified date were the current date and the
     * notification is delivered immediately.
     *
     * @param type The timer notification type.
     * @param message The timer notification detailed message.
     * @param userData The timer notification user data object.
     * @param date The date when the notification occurs.
     *
     * @return The identifier of the new created timer notification.
     *
     * @exception java.lang.IllegalArgumentException The date is {@code null}.
     */
// NPCTE fix for bugId 4464388, esc 0,  MR, to be added after modification of jmx spec
//  public synchronized Integer addNotification(String type, String message, Serializable userData, Date date)
//      throws java.lang.IllegalArgumentException {
// end of NPCTE fix for bugId 4464388

    public Integer addNotification(String type, String message, Object userData, Date date)
        throws java.lang.IllegalArgumentException;

    /**
     * Removes the timer notification corresponding to the specified identifier from the list of notifications.
     *
     * @param id The timer notification identifier.
     *
     * @exception InstanceNotFoundException The specified identifier does not correspond to any timer notification
     * in the list of notifications of this timer MBean.
     */
    public void removeNotification(Integer id) throws InstanceNotFoundException;

    /**
     * Removes all the timer notifications corresponding to the specified type from the list of notifications.
     *
     * @param type The timer notification type.
     *
     * @exception InstanceNotFoundException The specified type does not correspond to any timer notification
     * in the list of notifications of this timer MBean.
     */
    public void removeNotifications(String type) throws InstanceNotFoundException;

    /**
     * Removes all the timer notifications from the list of notifications
     * and resets the counter used to update the timer notification identifiers.
     */
    public void removeAllNotifications();

    // GETTERS AND SETTERS
    //--------------------

    /**
     * Gets the number of timer notifications registered into the list of notifications.
     *
     * @return The number of timer notifications.
     */
    public int getNbNotifications();

    /**
     * Gets all timer notification identifiers registered into the list of notifications.
     *
     * @return A vector of <CODE>Integer</CODE> objects containing all the timer notification identifiers.
     * <BR>The vector is empty if there is no timer notification registered for this timer MBean.
     */
    public Vector<Integer> getAllNotificationIDs();

    /**
     * Gets all the identifiers of timer notifications corresponding to the specified type.
     *
     * @param type The timer notification type.
     *
     * @return A vector of <CODE>Integer</CODE> objects containing all the identifiers of
     * timer notifications with the specified <CODE>type</CODE>.
     * <BR>The vector is empty if there is no timer notifications registered for this timer MBean
     * with the specified <CODE>type</CODE>.
     */
    public Vector<Integer> getNotificationIDs(String type);

    /**
     * Gets the timer notification type corresponding to the specified identifier.
     *
     * @param id The timer notification identifier.
     *
     * @return The timer notification type or null if the identifier is not mapped to any
     * timer notification registered for this timer MBean.
     */
    public String getNotificationType(Integer id);

    /**
     * Gets the timer notification detailed message corresponding to the specified identifier.
     *
     * @param id The timer notification identifier.
     *
     * @return The timer notification detailed message or null if the identifier is not mapped to any
     * timer notification registered for this timer MBean.
     */
    public String getNotificationMessage(Integer id);

    /**
     * Gets the timer notification user data object corresponding to the specified identifier.
     *
     * @param id The timer notification identifier.
     *
     * @return The timer notification user data object or null if the identifier is not mapped to any
     * timer notification registered for this timer MBean.
     */
    // NPCTE fix for bugId 4464388, esc 0 , MR , 03 sept 2001 , to be added after modification of jmx spec
    //public Serializable getNotificationUserData(Integer id);
    // end of NPCTE fix for bugId 4464388
    public Object getNotificationUserData(Integer id);
    /**
     * Gets a copy of the date associated to a timer notification.
     *
     * @param id The timer notification identifier.
     *
     * @return A copy of the date or null if the identifier is not mapped to any
     * timer notification registered for this timer MBean.
     */
    public Date getDate(Integer id);

    /**
     * Gets a copy of the period (in milliseconds) associated to a timer notification.
     *
     * @param id The timer notification identifier.
     *
     * @return A copy of the period or null if the identifier is not mapped to any
     * timer notification registered for this timer MBean.
     */
    public Long getPeriod(Integer id);

    /**
     * Gets a copy of the remaining number of occurrences associated to a timer notification.
     *
     * @param id The timer notification identifier.
     *

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