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/*
* Copyright 2000-2001 by iPlanet/Sun Microsystems, Inc.,
* 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
* All rights reserved.
*
* This software is the confidential and proprietary information
* of iPlanet/Sun Microsystems, Inc. ("Confidential Information").
* You shall not disclose such Confidential Information and shall
* use it only in accordance with the terms of the license
* agreement you entered into with iPlanet/Sun Microsystems.
*
* $Id: PersistenceManagerFactoryResourceDeployer.java,v 1.5 2007/05/05 05:35:14 tcfujii Exp $
*/
package com.sun.enterprise.resource;
import com.sun.enterprise.server.ResourceDeployer;
import com.sun.enterprise.config.serverbeans.PersistenceManagerFactoryResource;
import com.sun.enterprise.config.serverbeans.Resources;
import com.sun.enterprise.config.ConfigBean;
import com.sun.enterprise.Switch;
import com.sun.enterprise.NamingManager;
import com.sun.enterprise.repository.IASJ2EEResourceFactoryImpl;
import com.sun.enterprise.repository.PMFResource;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.LogDomains;
import com.sun.enterprise.util.i18n.StringManager;
import javax.naming.InitialContext;
/**
* Handles PersistenceManagerFactory resource evnets in the server instance.
* When user adds a pmf resource, the admin instance fires a resource event.
* And the event is propagated to this object.
* The methods may be invoked concurrently, therefore synchronized is used.
*
* @author Shing Wai Chan
*/
public class PersistenceManagerFactoryResourceDeployer implements ResourceDeployer {
/** StringManager for this deployer */
private static final StringManager localStrings =
StringManager.getManager("com.sun.enterprise.resource");
/** logger for this deployer */
private static Logger _logger=LogDomains.getLogger(LogDomains.CORE_LOGGER);
//---- begin implements ResourceDeployer ----
public synchronized void deployResource(Object resource) throws Exception {
PersistenceManagerFactoryResource configPMFRes =
(PersistenceManagerFactoryResource)resource;
if (configPMFRes.isEnabled()) {
// load associated jdbc resource with PMF
loadJdbcResource(configPMFRes);
PMFResource j2eeResource = (PMFResource)
IASJ2EEResourceFactoryImpl.toPMFJ2EEResource(configPMFRes);
ResourceInstaller installer =
Switch.getSwitch().getResourceInstaller();
installer.installPersistenceManagerResource(j2eeResource);
installer.addResource(j2eeResource);
} else {
_logger.log(Level.INFO, "core.resource_disabled",
new Object[] {configPMFRes.getJndiName(),
IASJ2EEResourceFactoryImpl.PMF_RES_TYPE});
}
}
public synchronized void undeployResource(Object resource)
throws Exception {
NamingManager namingMgr = Switch.getSwitch().getNamingManager();
PersistenceManagerFactoryResource configPMFRes =
(PersistenceManagerFactoryResource)resource;
namingMgr.unpublishObject(configPMFRes.getJndiName());
ResourceInstaller installer = Switch.getSwitch().getResourceInstaller();
installer.removeResource(
IASJ2EEResourceFactoryImpl.toPMFJ2EEResource(configPMFRes));
}
public synchronized void redeployResource(Object resource)
throws Exception {
undeployResource(resource);
deployResource(resource);
}
public synchronized void enableResource(Object resource) throws Exception {
deployResource(resource);
}
public synchronized void disableResource(Object resource) throws Exception {
undeployResource(resource);
}
/**
* Utility method to find a resource from a Resource bean and convert
* it to a resource object to be used by ResourceDeployer implementation
*
* @param name resource name (normally the jndi-name)
* @param rbeans Resources config-beans
* @exception Exception thrown if fail
*/
public Object getResource(String name, Resources rbeans) throws Exception {
Object res = rbeans.getPersistenceManagerFactoryResourceByJndiName(name);
if (res == null) {
String msg = localStrings.getString("resource.no_resource",name);
throw new Exception(msg);
}
return res;
}
private void loadJdbcResource(PersistenceManagerFactoryResource cr)
throws Exception {
String resName = cr.getJdbcResourceJndiName();
Resources resources = (Resources) cr.parent();
ConfigBean cb = resources.getJdbcResourceByJndiName(resName);
if (cb != null) {
try {
InitialContext ic = new InitialContext();
ic.lookup(resName);
} catch (Exception e) {
// resource is not loaded
JdbcResourceDeployer deployer =
new JdbcResourceDeployer();
deployer.deployResource(cb);
}
}
}
//---- end implements ResourceDeployer ----
}
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