/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.oodt.cas.resource.util;
//JDK imports
import java.util.logging.Level;
import java.util.logging.Logger;
//OODT imports
import org.apache.oodt.cas.resource.batchmgr.Batchmgr;
import org.apache.oodt.cas.resource.batchmgr.BatchmgrFactory;
import org.apache.oodt.cas.resource.jobqueue.JobQueue;
import org.apache.oodt.cas.resource.jobqueue.JobQueueFactory;
import org.apache.oodt.cas.resource.jobrepo.JobRepository;
import org.apache.oodt.cas.resource.jobrepo.JobRepositoryFactory;
import org.apache.oodt.cas.resource.monitor.Monitor;
import org.apache.oodt.cas.resource.monitor.MonitorFactory;
import org.apache.oodt.cas.resource.scheduler.Scheduler;
import org.apache.oodt.cas.resource.scheduler.SchedulerFactory;
import org.apache.oodt.cas.resource.structs.JobInput;
import org.apache.oodt.cas.resource.structs.JobInstance;
/**
* @author mattmann
* @version $Revision$
*
* <p>
* Generic object creation facilities for the Resource Manager.
* </p>
*/
public final class GenericResourceManagerObjectFactory {
/* our log stream */
private static final Logger LOG = Logger
.getLogger(GenericResourceManagerObjectFactory.class.getName());
private GenericResourceManagerObjectFactory() throws InstantiationException {
throw new InstantiationException("Don't construct factory classes!");
}
/**
* Constructs a new {@link JobInput} implementation from the given
* <code>className</code>.
*
* @param className
* The implementation class for the {@link JobInput}
* @return A new {@link JobInput} implementation.
*/
public static JobInput getJobInputFromClassName(String className) {
try {
Class inputClass = Class.forName(className);
return (JobInput) inputClass.newInstance();
} catch (ClassNotFoundException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"ClassNotFoundException when loading job input class " + className
+ " Message: " + e.getMessage());
} catch (InstantiationException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"InstantiationException when loading job input class " + className
+ " Message: " + e.getMessage());
} catch (IllegalAccessException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"IllegalAccessException when loading job input class " + className
+ " Message: " + e.getMessage());
}
return null;
}
/**
* Constructs a new {@link JobInstance} implementation from the given
* <code>className</code>.
*
* @param className
* The name of the implementation class for the {@link JobInstance}
* to construct.
* @return A new {@link JobInstance} implementation.
*/
public static JobInstance getJobInstanceFromClassName(String className) {
try {
Class instClass = Class.forName(className);
return (JobInstance) instClass.newInstance();
} catch (ClassNotFoundException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"ClassNotFoundException when loading job instance class " + className
+ " Message: " + e.getMessage());
} catch (InstantiationException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"InstantiationException when loading job instance class " + className
+ " Message: " + e.getMessage());
} catch (IllegalAccessException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"IllegalAccessException when loading job instance class " + className
+ " Message: " + e.getMessage());
}
return null;
}
/**
* Creates a new {@link JobQueue} implementation from the given
* {@link JobQueueFactory} class name.
*
* @param serviceFactory
* The class name of the {@link JobQueueFactory} to use to create new
* {@link JobQueue}s.
* @return A new implementation of a {@link JobQueue}.
*/
public static JobQueue getJobQueueServiceFromFactory(String serviceFactory) {
Class clazz = null;
JobQueueFactory factory = null;
try {
clazz = Class.forName(serviceFactory);
factory = (JobQueueFactory) clazz.newInstance();
return factory.createQueue();
} catch (ClassNotFoundException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"ClassNotFoundException when loading jobqueue factory class "
+ serviceFactory + " Message: " + e.getMessage());
} catch (InstantiationException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"InstantiationException when loading jobqueue factory class "
+ serviceFactory + " Message: " + e.getMessage());
} catch (IllegalAccessException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"IllegalAccessException when loading jobqueue factory class "
+ serviceFactory + " Message: " + e.getMessage());
}
return null;
}
/**
* Creates a new Batchmgr implementation from a given String name of the
* corresponding {@link BatchmgrFactory}.
*
* @param serviceFactory
* The name of the {@link BatchmgrFactory} class to use to create
* {@link Batchmgr}s.
* @return A new {@link Batchmgr} implementation.
*/
public static Batchmgr getBatchmgrServiceFromFactory(String serviceFactory) {
Class clazz = null;
BatchmgrFactory factory = null;
try {
clazz = Class.forName(serviceFactory);
factory = (BatchmgrFactory) clazz.newInstance();
return factory.createBatchmgr();
} catch (ClassNotFoundException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"ClassNotFoundException when loading batchmgr factory class "
+ serviceFactory + " Message: " + e.getMessage());
} catch (InstantiationException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"InstantiationException when loading batchmgr factory class "
+ serviceFactory + " Message: " + e.getMessage());
} catch (IllegalAccessException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"IllegalAccessException when loading batchmgr factory class "
+ serviceFactory + " Message: " + e.getMessage());
}
return null;
}
/**
* Creates a new {@link Monitor} implementation from the given String name of
* the {@link MonitorFactory}.
*
* @param serviceFactory
* The name of the {@link MonitorFactory} class to use to create
* {@link Monitor}s.
* @return A new {@link Monitor} implementation.
*/
public static Monitor getMonitorServiceFromFactory(String serviceFactory) {
Class clazz = null;
MonitorFactory factory = null;
try {
clazz = Class.forName(serviceFactory);
factory = (MonitorFactory) clazz.newInstance();
return factory.createMonitor();
} catch (ClassNotFoundException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"ClassNotFoundException when loading monitor factory class "
+ serviceFactory + " Message: " + e.getMessage());
} catch (InstantiationException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"InstantiationException when loading monitor factory class "
+ serviceFactory + " Message: " + e.getMessage());
} catch (IllegalAccessException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"IllegalAccessException when loading monitor factory class "
+ serviceFactory + " Message: " + e.getMessage());
}
return null;
}
/**
* Creates a new {@link Scheduler} from the given String name of the
* {@link SchedulerFactory}.
*
* @param serviceFactory
* The class name of the {@link SchedulerFactory} to use to create
* the new {@link Scheduler}.
* @return A new {@link Scheduler} implementation.
*/
public static Scheduler getSchedulerServiceFromFactory(String serviceFactory) {
Class clazz = null;
SchedulerFactory factory = null;
try {
clazz = Class.forName(serviceFactory);
factory = (SchedulerFactory) clazz.newInstance();
return factory.createScheduler();
} catch (ClassNotFoundException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"ClassNotFoundException when loading scheduler factory class "
+ serviceFactory + " Message: " + e.getMessage());
} catch (InstantiationException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"InstantiationException when loading scheduler factory class "
+ serviceFactory + " Message: " + e.getMessage());
} catch (IllegalAccessException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"IllegalAccessException when loading scheduler factory class "
+ serviceFactory + " Message: " + e.getMessage());
}
return null;
}
/**
* Creates a new {@link JobRepository} implementation from the given
* name of the {@link JobRepositoryFactory}.
* @param serviceFactory The class name of the {@link JobRepositoryFactory}
* to use to create a {@link JobRepository}.
* @return A new {@link JobRepository} from the given service factory.
*/
public static JobRepository getJobRepositoryFromServiceFactory(String serviceFactory) {
Class clazz = null;
JobRepositoryFactory factory = null;
try {
clazz = Class.forName(serviceFactory);
factory = (JobRepositoryFactory) clazz.newInstance();
return factory.createRepository();
} catch (ClassNotFoundException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"ClassNotFoundException when loading job repo factory class "
+ serviceFactory + " Message: " + e.getMessage());
} catch (InstantiationException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"InstantiationException when loading job rep factory class "
+ serviceFactory + " Message: " + e.getMessage());
} catch (IllegalAccessException e) {
e.printStackTrace();
LOG.log(Level.WARNING,
"IllegalAccessException when loading job repo factory class "
+ serviceFactory + " Message: " + e.getMessage());
}
return null;
}
}