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package com.sun.enterprise.admin.server.core;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.management.MBeanServer;
import javax.management.ObjectInstance;
import javax.management.ObjectName;
import javax.management.InstanceAlreadyExistsException;
import javax.management.MBeanRegistrationException;
import javax.management.NotCompliantMBeanException;
import com.sun.enterprise.admin.meta.MBeanRegistry;
import com.sun.enterprise.admin.meta.MBeanRegistryFactory;
import com.sun.enterprise.server.ApplicationServer;
//Admin imports
import com.sun.enterprise.admin.AdminContext;
import com.sun.enterprise.admin.common.ObjectNames;
import com.sun.enterprise.admin.common.constant.AdminConstants;
/* for checking persistent store */
//import com.sun.enterprise.server.ondemand.entry.*;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.admin.server.core.jmx.InitException;
import com.sun.enterprise.util.FeatureAvailability;
import com.sun.appserv.management.util.misc.RunnableBase;
/**
Loads the com.sun.appserv configuration MBeans in a separate thread.
*/
final class ComSunAppservConfigMBeansIniter extends RunnableBase<String> {
private static final Logger sLogger = Logger.getLogger(AdminConstants.kLoggerName);
private final MBeanServer mServer;
private final String mJMXDomainName;
private final AdminContext mAdminContext;
public ComSunAppservConfigMBeansIniter(final String jmxDomainName, final MBeanServer server, final AdminContext adminContext )
{
super( "ComSunAppservConfigMBeansIniter" );
mServer = server;
mJMXDomainName = jmxDomainName;
mAdminContext = adminContext;
checkAlreadyLoaded();
}
private void
checkAlreadyLoaded()
{
if ( mServer.isRegistered( ObjectNames.getControllerObjectName() ) )
{
throw new IllegalArgumentException();
}
}
protected void
doRun() throws Exception
{
checkAlreadyLoaded();
initialize();
}
protected void
startLoading( final boolean synchronous )
{
checkAlreadyLoaded();
if ( synchronous )
{
run();
}
else
{
new Thread( this ).start();
}
}
/**
Initializes the MBeanServer. This method registers the System MBeans.
The System MBeans are assumed to have default constructor.
@throws InitException if any of the System MBeans can't be initialized.
*/
private void initialize( )
throws InitException {
try {
final ObjectName controllerObjectName = ObjectNames.getControllerObjectName();
final ObjectName configObjectName = ObjectNames.getGenericConfiguratorObjectName();
final ObjectName[] objectNames = { controllerObjectName, configObjectName };
final String controllerClassName =
"com.sun.enterprise.admin.server.core.mbean.config.ServerController";
final String configClassName =
"com.sun.enterprise.admin.server.core.mbean.config.GenericConfigurator";
final String[] clNames = {controllerClassName, configClassName};
for (int i = 0 ; i < clNames.length ; i++) {
createAndRegister( clNames[i], objectNames[ i ] );
}
registerDottedNameSupport();
registerConfigMBeans();
}
catch (Exception e) {
sLogger.log(Level.WARNING, "Error in initialize", e);
throw new InitException(e.getMessage(), e );
}
}
// build dependencies force this form of instantiation
static private final String DottedMBeansIniterClassName =
"com.sun.enterprise.admin.mbeans.DottedNameMBeansIniter";
private void
registerDottedNameSupport()
throws Exception
{
final Class initerClass = Class.forName( DottedMBeansIniterClassName );
// invoke new DottedNamesMBeanIniter( MBeanServer m )
final Class [] signature = new Class [] { MBeanServer.class };
final java.lang.reflect.Constructor constructor = initerClass.getConstructor( signature );
constructor.newInstance( new Object [] { mServer } );
// done--it will have done its job
}
private ObjectInstance createAndRegister( final String className, final ObjectName objectName )
throws InstanceAlreadyExistsException,
MBeanRegistrationException,
NotCompliantMBeanException,
ClassNotFoundException,
InstantiationException,
IllegalAccessException
{
final Class mbeanClass = Class.forName( className );
final Object mbeanImpl = mbeanClass.newInstance();
final ObjectInstance mbeanInstance = this.registerMBean( mbeanImpl, objectName );
return( mbeanInstance );
}
public ObjectInstance registerMBean( final Object object, final ObjectName objectName)
throws InstanceAlreadyExistsException,
MBeanRegistrationException,
NotCompliantMBeanException {
return mServer.registerMBean(object, objectName);
}
/**
* OLD, possibly invalid comments below
* NOTE: I am using runtime configcontext to instantiate configmbeans
*
* FIXME: The current implementation does not load all the mbeans
* while creating elements. Hence, some mbeans may never be
* loaded. This needs to be fixed.
*
* FIXME: Eventual plan is to move this method to AdminService where
* it is initialized once and there is no need to call again.
*
* This method does not throw any exception and is best-effort.
*/
private void registerConfigMBeans()
throws com.sun.enterprise.admin.meta.MBeanMetaException
{
final long start = System.currentTimeMillis();
final MBeanRegistry mr = MBeanRegistryFactory.getAdminMBeanRegistry();
final ConfigContext configContext = mAdminContext.getAdminConfigContext();
final String jmxDomainName = ApplicationServer.getServerContext().getDefaultDomainName();
mr.instantiateAndRegisterAllConfigMBeans(
configContext,
jmxDomainName);
final long elapsed = System.currentTimeMillis() - start;
FeatureAvailability.getInstance().registerFeature( FeatureAvailability.COM_SUN_APPSERV_CONFIG_MBEANS_FEATURE, mServer );
}
}
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