/*******************************************************************************
* Copyright 2011
* Ubiquitous Knowledge Processing (UKP) Lab
* Technische Universität Darmstadt
*
* Licensed 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.dkpro.lab.engine.reporting;
import org.dkpro.lab.engine.ExecutionException;
import org.dkpro.lab.engine.LifeCycleException;
import org.dkpro.lab.engine.TaskContext;
import org.dkpro.lab.engine.TaskContextFactory;
import org.dkpro.lab.engine.TaskExecutionEngine;
import org.dkpro.lab.task.ReportingTask;
import org.dkpro.lab.task.Task;
/**
* Task execution engine which skips the main execution steps and only executes reports.
*/
public class ReportingEngine
implements TaskExecutionEngine
{
private TaskContextFactory contextFactory;
@Override
public String run(Task aConfiguration)
throws ExecutionException, LifeCycleException
{
if (!(aConfiguration instanceof ReportingTask)) {
throw new ExecutionException("This engine can only execute ["
+ ReportingTask.class.getName() + "]");
}
// Create persistence service for injection into analysis components
TaskContext ctx = null;
try {
ctx = contextFactory.createContext(aConfiguration);
// Now the setup is complete
ctx.getLifeCycleManager().initialize(ctx, aConfiguration);
// Start recording
ctx.getLifeCycleManager().begin(ctx, aConfiguration);
// End recording (here the reports will nbe done)
ctx.getLifeCycleManager().complete(ctx, aConfiguration);
return ctx.getId();
}
finally {
if (ctx != null) {
ctx.getLifeCycleManager().destroy(ctx, aConfiguration);
}
}
}
@Override
public void setContextFactory(TaskContextFactory aContextFactory)
{
contextFactory = aContextFactory;
}
}