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/*
* InstanceRegistry.java
*
* Created on September 12, 2003, 3:46 PM
*/
package com.sun.enterprise.ee.admin.clientreg;
import javax.management.MBeanServerConnection;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.serverbeans.ServerHelper;
import com.sun.enterprise.admin.util.IAdminConstants;
import com.sun.enterprise.admin.util.JMXConnectorConfig;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.admin.servermgmt.InstanceException;
import com.sun.enterprise.ee.admin.servermgmt.AgentException;
import com.sun.enterprise.admin.server.core.AdminService;
import java.io.IOException;
/**
* @author kebbs
*
* Class NodeAgentRegistry maintains a list of MBeanServer connections to one
* or more Server instances
*/
public class InstanceRegistry extends JMXConnectorRegistry implements IAdminConstants {
private static final boolean DEBUG = true;
private static final StringManager _strMgr =
StringManager.getManager(InstanceRegistry.class);
// There is only one InstanceRegistry
private static InstanceRegistry _registry = null;
private InstanceRegistry () {
super();
_registry = this;
}
/**
* Initialize and return the one and only one static Server Instance Registry.
*/
public synchronized static InstanceRegistry getInstanceRegistry() {
if (_registry == null) {
_registry = new InstanceRegistry();
}
return _registry;
}
/**
* Implementaiton of abstract method to return the system JmxConnector element
* associated with the given server instance.
*/
protected MBeanServerConnectionInfo findConnectionInfo(String instanceName)
throws AgentException
{
return findConnectionInfo(getConfigContext(), instanceName);
}
protected MBeanServerConnectionInfo findConnectionInfo(ConfigContext configContext, String instanceName)
throws AgentException
{
try {
JMXConnectorConfig config = ServerHelper.getJMXConnectorInfo(configContext,
instanceName);
return new MBeanServerConnectionInfo(config);
} catch (Exception ex) {
throw new AgentException(ex);
}
}
private ConfigContext getConfigContext()
{
return AdminService.getAdminService().getAdminContext().getAdminConfigContext();
}
/**
* Return an MBeanServerConnection to the specifiec node agent.
*/
public static synchronized MBeanServerConnection getDASConnection(ConfigContext configContext)
throws InstanceException
{
try {
String dasName = ServerHelper.getDAS(configContext).getName();
return getInstanceConnection(dasName);
} catch (ConfigException ex) {
throw new InstanceException(ex);
}
}
/**
* Remove connection
*/
public static synchronized void removeInstanceConnection(String instanceName)
throws InstanceException
{
try {
getInstanceRegistry().removeConnectorFromCache(instanceName);
} catch (IOException ex) {
throw new InstanceException(ex);
}
}
public static synchronized void disconnectInstanceConnection(String instanceName)
throws InstanceException
{
try {
getInstanceRegistry().disconnectCachedConnector(instanceName);
} catch (IOException ex) {
throw new InstanceException(ex);
}
}
/**
* Return an MBeanServerConnection to the specifiec node agent.
*/
public static synchronized MBeanServerConnection getInstanceConnection(String instanceName)
throws InstanceException
{
try {
return getInstanceRegistry().getConnection(instanceName);
} catch (AgentException ex) {
throw new InstanceException(ex);
}
}
public static synchronized MBeanServerConnectionInfo getDASConnectionInfo(ConfigContext configContext)
throws InstanceException
{
try {
String dasName = ServerHelper.getDAS(configContext).getName();
return getInstanceConnectionInfo(configContext, dasName);
} catch (ConfigException ex) {
throw new InstanceException(ex);
}
}
public static synchronized MBeanServerConnectionInfo getInstanceConnectionInfo(String instanceName)
throws InstanceException
{
try {
return getInstanceRegistry().findConnectionInfo(instanceName);
} catch (AgentException ex) {
throw new InstanceException(ex);
}
}
public static synchronized MBeanServerConnectionInfo getInstanceConnectionInfo(ConfigContext configContext,
String instanceName) throws InstanceException
{
try {
return getInstanceRegistry().findConnectionInfo(configContext, instanceName);
} catch (AgentException ex) {
throw new InstanceException(ex);
}
}
}