/*
* 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.pge;
//JDK static imports
import static org.apache.oodt.cas.pge.util.GenericPgeObjectFactory.createPGETaskInstance;
//JDK imports
import java.io.File;
import java.util.logging.Logger;
//OODT imports
import org.apache.oodt.cas.workflow.structs.WorkflowTaskConfiguration;
import org.apache.oodt.cas.workflow.structs.exceptions.WorkflowTaskInstanceException;
import org.apache.oodt.cas.metadata.Metadata;
import org.apache.oodt.cas.metadata.SerializableMetadata;
/**
* Runs a {@link PGETaskInstance} given {@link Metadata} and a
* {@link WorkflowTaskConfiguration}.
*
* @author mattmann (Chris Mattmann)
* @author bfoster (Brian Foster)
*/
public class PGETask {
private static final Logger LOGGER = Logger.getLogger(PGETask.class.getName());
private Metadata metadata;
private WorkflowTaskConfiguration wftConfig;
public PGETask(Metadata metadata, WorkflowTaskConfiguration wftConfig) {
this.metadata = metadata;
this.wftConfig = wftConfig;
}
public void run(String pgeTaskInstanceClasspath)
throws InstantiationException, IllegalAccessException,
ClassNotFoundException, WorkflowTaskInstanceException {
PGETaskInstance pgeTaskInst = createPGETaskInstance(
pgeTaskInstanceClasspath, LOGGER);
pgeTaskInst.run(this.metadata, this.wftConfig);
}
public static void main(String[] args) throws Exception {
String metadataFilePath = null, configPropertiesPath = null;
String pgeTaskInstanceClasspath = null;
String usage = "PGETask --instanceClass <PGETaskInstance> "
+ "--metadata </path/to/metadata/file> "
+ "--config </path/to/task/config/file>\n";
for (int i = 0; i < args.length; i++) {
if (args[i].equals("--metadata")) {
metadataFilePath = args[++i];
} else if (args[i].equals("--config")) {
configPropertiesPath = args[++i];
} else if (args[i].equals("--instanceClass")) {
pgeTaskInstanceClasspath = args[++i];
}
}
if (metadataFilePath == null || configPropertiesPath == null) {
System.err.println(usage);
System.exit(1);
}
SerializableMetadata sm = new SerializableMetadata("UTF-8", false);
sm.loadMetadataFromXmlStream(new File(metadataFilePath).toURL()
.openStream());
WorkflowTaskConfiguration config = new WorkflowTaskConfiguration();
config.getProperties().load(
new File(configPropertiesPath).toURL().openStream());
PGETask task = new PGETask(sm, config);
task.run(pgeTaskInstanceClasspath);
}
}