org.glassfish.internal.api.Target Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.internal.api;
import com.sun.enterprise.config.serverbeans.*;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.config.support.CommandTarget;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.annotations.Service;
import javax.inject.Inject;
import java.util.ArrayList;
import java.util.List;
@Service
public class Target {
@Inject
private Domain domain;
@Inject
private ServerEnvironment serverEnv;
@Inject
ServiceLocator habitat;
/**
* Lets caller to know if the caller is in DAS
*/
public boolean isThisDAS() {
return serverEnv.isDas();
}
/**
* Lets caller to know if the caller is in an instance
*/
public boolean isThisInstance() {
return serverEnv.isInstance();
}
/**
* Checks if a given target is cluster or nor
* @param targetName the name of the target
* @return true if the target represents a cluster; false otherwise
*/
public boolean isCluster(String targetName) {
return (domain.getClusterNamed(targetName) != null);
}
/**
* Returns the Cluster element for a given cluster name
* @param targetName the name of the target
* @return Cluster element that represents the cluster
*/
public Cluster getCluster(String targetName) {
return domain.getClusterNamed(targetName);
}
/**
* Returns the config element that represents a given cluster
* @param targetName the name of the target
* @return Config element representing the cluster
*/
public Config getClusterConfig(String targetName) {
Cluster cl = getCluster(targetName);
if(cl == null)
return null;
return(domain.getConfigNamed(cl.getConfigRef()));
}
/**
* Returns config element that represents a given server
* @param targetName the name of the target
* @return Config element representing the server instance
*/
public Config getServerConfig(String targetName) {
Server s = domain.getServerNamed(targetName);
if(s == null)
return null;
return domain.getConfigNamed(s.getConfigRef());
}
/**
* Given a name (of instance or cluster or config), returns the appropriate Config object
* @param targetName name of target
* @return Config element of this target
*/
public Config getConfig(String targetName) {
if(CommandTarget.CONFIG.isValid(habitat, targetName))
return domain.getConfigNamed(targetName);
if(CommandTarget.DAS.isValid(habitat, targetName))
return getServerConfig(targetName);
if(CommandTarget.STANDALONE_INSTANCE.isValid(habitat, targetName))
return getServerConfig(targetName);
if(CommandTarget.CLUSTER.isValid(habitat, targetName))
return getClusterConfig(targetName);
return null;
}
/**
* Given an instance that is part of a cluster, returns the Cluster element of the cluster to which the
* given instance belongs
* @param targetName name of target
* @return Cluster element to which this instance below
*/
public Cluster getClusterForInstance(String targetName) {
return domain.getClusterForInstance(targetName);
}
/**
* Given a list instance names, get List
*/
public List getInstances(List names) {
List instances = new ArrayList();
for(String aName : names)
instances.addAll(getInstances(aName));
return instances;
}
public Node getNode(String targetName) {
return domain.getNodeNamed(targetName);
}
/**
* Given the name of a target, returns a list of Server objects. If given target is a standalone server,
* then the server's Server element is returned in the list. If the target is a cluster, then the list of Server
* elements that represent all server instances of that cluster is returned.
* @param targetName the name of the target
* @return list of Server elements that represent the target
*/
public List getInstances(String targetName) {
List instances = new ArrayList();
if(CommandTarget.DOMAIN.isValid(habitat, targetName))
return instances;
if(CommandTarget.DAS.isValid(habitat, targetName))
return instances;
if(CommandTarget.STANDALONE_INSTANCE.isValid(habitat, targetName)) {
instances.add(domain.getServerNamed(targetName));
}
if(CommandTarget.CLUSTER.isValid(habitat, targetName)) {
instances = getCluster(targetName).getInstances();
}
if(CommandTarget.CONFIG.isValid(habitat, targetName)) {
List targets = domain.getAllTargets();
for(String aTarget : targets) {
if(CommandTarget.CLUSTER.isValid(habitat, aTarget) &&
getCluster(aTarget).getConfigRef().equals(targetName)) {
instances.addAll(getCluster(aTarget).getInstances());
}
if(CommandTarget.STANDALONE_INSTANCE.isValid(habitat, aTarget) &&
domain.getServerNamed(aTarget).getConfigRef().equals(targetName)) {
instances.add(domain.getServerNamed(aTarget));
}
}
}
if(CommandTarget.NODE.isValid(habitat, targetName)) {
List allInstances = getAllInstances();
for(Server s : allInstances) {
if(targetName.equals(s.getNodeRef()))
instances.add(s);
}
}
return instances;
}
/**
* Gets all instances present in the domain
* @return list of Server elements that represent all instances
*/
public List getAllInstances() {
List list = new ArrayList();
for(Server s : domain.getServers().getServer()) {
if(!CommandTarget.DAS.isValid(habitat, s.getName())) {
list.add(s);
}
}
return list;
}
/**
* Given name of a target verifies if it is valid
* @param targetName name of the target
* @return true if the target is a valid cluster or server instance or a config
*/
public boolean isValid(String targetName) {
if(isCluster(targetName))
return true;
if(getInstances(targetName).size() != 0)
return true;
if(domain.getConfigNamed(targetName) != null)
return true;
return false;
}
}