monitoringfactories.java

来自「JAVA的一些源码 JAVA2 STANDARD EDITION DEVELO」· Java 代码 · 共 94 行

/*
 * @(#)MonitoringFactories.java	1.3 03/12/19
 * 
 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package com.sun.corba.se.spi.monitoring;

import com.sun.corba.se.impl.monitoring.MonitoredObjectFactoryImpl;
import com.sun.corba.se.impl.monitoring.MonitoredAttributeInfoFactoryImpl;
import com.sun.corba.se.impl.monitoring.MonitoringManagerFactoryImpl;

/**
 * <p>
 *
 * @author Hemanth Puttaswamy
 * </p>
 * <p>
 *  This is used for getting the default factories for 
 *  MonitoredObject, MonitoredAttributeInfo and MonitoringManager. We do not
 *  expect users to use the MonitoredAttributeInfo factory most of the time
 *  because the Info is automatically built by StringMonitoredAttributeBase
 *  and LongMonitoredAttributeBase. 
 *  </p>
 */   
public class MonitoringFactories {
    ///////////////////////////////////////
    // attributes
    private static final MonitoredObjectFactoryImpl monitoredObjectFactory =
        new MonitoredObjectFactoryImpl( );
    private static final MonitoredAttributeInfoFactoryImpl 
        monitoredAttributeInfoFactory = 
        new MonitoredAttributeInfoFactoryImpl( );
    private static final MonitoringManagerFactoryImpl monitoringManagerFactory = 
        new MonitoringManagerFactoryImpl( );


    ///////////////////////////////////////
    // operations

/**
 * <p>
 * Gets the MonitoredObjectFactory 
 * </p>
 * <p>
 *
 * @return a MonitoredObjectFactory 
 * </p>
 */
    public static MonitoredObjectFactory getMonitoredObjectFactory( ) {
        return monitoredObjectFactory;
    }

/**
 * <p>
 * Gets the MonitoredAttributeInfoFactory. The user is not expected to use this
 * Factory, since the MonitoredAttributeInfo is internally created by 
 * StringMonitoredAttributeBase, LongMonitoredAttributeBase and 
 * StatisticMonitoredAttribute. If User wants to create a MonitoredAttribute
 * of some other special type like a DoubleMonitoredAttribute, they can
 * build a DoubleMonitoredAttributeBase like LongMonitoredAttributeBase
 * and build a MonitoredAttributeInfo required by MonitoredAttributeBase 
 * internally by using this Factory. 
 * </p>
 * <p>
 *
 * @return a MonitoredAttributeInfoFactory
 * </p>
 */
    public static MonitoredAttributeInfoFactory 
        getMonitoredAttributeInfoFactory( ) 
    {
        return monitoredAttributeInfoFactory;
    }

/**
 * <p>
 * Gets the MonitoredManagerFactory. The user is not expected to use this
 * Factory, since the ORB will be automatically initialized with the 
 * MonitoringManager. 
 *
 * User can get hold of MonitoringManager associated with ORB by calling
 * orb.getMonitoringManager( )
 * </p>
 * <p>
 *
 * @return a MonitoredManagerFactory
 * </p>
 */
    public static MonitoringManagerFactory getMonitoringManagerFactory( ) {
        return monitoringManagerFactory;
    }
}