MBeanServerFactory.java

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package org.glassfish.admin.mbeanserver;

import org.glassfish.hk2.api.Factory;
import org.glassfish.hk2.runlevel.RunLevel;
import org.jvnet.hk2.annotations.Service;

import javax.management.MBeanServer;

import org.glassfish.internal.api.PostStartupRunLevel;

/**
    Factory for the MBeanServer.  Required so that HK2 can find an MBeanServer
    for modules doing @Inject MBeanServer.
 */
@Service
@RunLevel(mode=RunLevel.RUNLEVEL_MODE_NON_VALIDATING, value=PostStartupRunLevel.VAL)
public final class MBeanServerFactory implements Factory<MBeanServer> {
    private static void debug( final String s ) { System.out.println(s); }
    
    private final MBeanServer     mMBeanServer;
    
    public MBeanServerFactory()
    {
        // initialize eagerly; ~20ms
        mMBeanServer = java.lang.management.ManagementFactory.getPlatformMBeanServer();
    }
    
    public void postConstruct()
    {
    }

    /* (non-Javadoc)
     * @see org.glassfish.hk2.api.Factory#provide()
     */
    @Override
    public MBeanServer provide() {
        return mMBeanServer;
    }

    /* (non-Javadoc)
     * @see org.glassfish.hk2.api.Factory#dispose(java.lang.Object)
     */
    @Override
    public void dispose(MBeanServer instance) {
        
    }
    
}