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ConnectorNamingUtils.java
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ConnectorNamingUtils.java
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/*
* Copyright (c) 2022 Contributors to the Eclipse Foundation
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.enterprise.resource.naming;
import com.sun.enterprise.connectors.ConnectorRuntime;
import com.sun.enterprise.module.bootstrap.StartupContext;
import com.sun.logging.LogDomains;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.api.admin.ProcessEnvironment;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.utilities.ServiceLocatorUtilities;
import org.glassfish.internal.api.Globals;
/**
* Utility class to bootstrap connector-runtime.<br>
* Must be used only for ObjectFactory implementations of connector, only in CLIENT mode<br>
*/
public class ConnectorNamingUtils {
private static Logger _logger = LogDomains.getLogger(ConnectorNamingUtils.class, LogDomains.RSR_LOGGER);
private volatile static ConnectorRuntime runtime;
static {
//making sure that connector-runtime is always initialized.
//This solves the issue of multiple threads doing resource lookup in STANDALONE mode.
getRuntime();
}
public static ConnectorRuntime getRuntime() {
try {
if (runtime == null) {
synchronized(ConnectorNamingUtils.class) {
if(runtime == null) {
runtime = ConnectorRuntime.getRuntime();
}
}
}
} catch (Exception e) {
// Assuming that connector runtime is always available in SERVER and APPCLIENT mode and
// hence this is CLIENT mode
if(_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST, "unable to get Connector Runtime due to the following exception, " +
"trying client mode", e);
}
runtime = getHabitat().getService(ConnectorRuntime.class);
}
return runtime;
}
private static ServiceLocator getHabitat() {
ServiceLocator habitat = Globals.getStaticHabitat();
StartupContext startupContext = new StartupContext();
ServiceLocatorUtilities.addOneConstant(habitat, startupContext);
ServiceLocatorUtilities.addOneConstant(habitat, new ProcessEnvironment(ProcessEnvironment.ProcessType.Other));
return habitat;
}
}