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/*******************************************************************************
* Copyright (c) 2013 The University of York, Willink Transformations and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Horacio Hoyos - initial API and implementation
******************************************************************************/
package org.eclipse.qvtd.compiler.internal.etl;
import java.net.URI;
import java.util.ArrayList;
import org.eclipse.epsilon.common.parse.problem.ParseProblem;
import org.eclipse.epsilon.eol.IEolExecutableModule;
import org.eclipse.epsilon.eol.exceptions.EolRuntimeException;
import org.eclipse.epsilon.eol.models.IModel;
import org.eclipse.epsilon.flock.FlockModule;
import org.eclipse.epsilon.flock.FlockResult;
import org.eclipse.epsilon.flock.IFlockContext;
import org.eclipse.epsilon.flock.execution.exceptions.FlockUnsupportedModelException;
/**
* The FlockTask is used to execute Epsilon Flock scripts in standalone mode.
*/
public class FlockTask extends EpsilonTask {
/** The original model. */
private IModel originalModel;
/** The migrated model. */
private IModel migratedModel;
/**
* Instantiates a new flock task.
*
* @param flockSourceURI the etl source uri
*/
public FlockTask(URI flockSourceURI) {
super();
this.sourceURI = flockSourceURI;
models = new ArrayList<IModel>();
}
/**
* Instantiates a new flock task.
*
* @param flockSourcePath the etl source path
*/
public FlockTask(String flockSourcePath) {
super();
this.sourceURI = URI.create(flockSourcePath);
models = new ArrayList<IModel>();
}
/* (non-Javadoc)
* @see org.eclipse.qvtd.build.etl.EpsilonTask#createModule()
*/
@Override
public IEolExecutableModule createModule() {
return new FlockModule();
}
/**
* Gets the original model.
*
* @return the original model
*/
public IModel getOriginalModel() {
return originalModel;
}
/**
* Sets the original model.
*
* @param originalModel the new original model
*/
public void setOriginalModel(IModel originalModel) {
this.originalModel = originalModel;
addModel(originalModel);
}
/**
* Gets the migrated model.
*
* @return the migrated model
*/
public IModel getMigratedModel() {
return migratedModel;
}
/**
* Sets the migrated model.
*
* @param migratedModel the new migrated model
*/
public void setMigratedModel(IModel migratedModel) {
this.migratedModel = migratedModel;
addModel(migratedModel);
}
/* (non-Javadoc)
* @see org.eclipse.qvtd.build.etl.EpsilonTask#execute()
*/
@Override
public void execute() throws QvtMtcExecutionException {
module = createModule();
try {
module.parse(sourceURI);
} catch (Exception e) {
throw new QvtMtcExecutionException("There was an error loading the Flock script.", e.getCause());
}
if (module.getParseProblems().size() > 0) {
StringBuilder sb = new StringBuilder();
for (ParseProblem problem : module.getParseProblems()) {
sb.append(problem.toString() + "\\n");
}
throw new QvtMtcExecutionException("Parse errors occured: " + sb.toString());
}
for (IModel model : getModels()) {
module.getContext().getModelRepository().addModel(model);
}
try {
((IFlockContext)module.getContext()).setOriginalModel(originalModel);
((IFlockContext)module.getContext()).setMigratedModel(migratedModel);
} catch (FlockUnsupportedModelException e) {
throw new QvtMtcExecutionException(e.getMessage(),e.getCause());
}
preProcess();
try {
result = module.execute();
} catch (EolRuntimeException e) {
throw new QvtMtcExecutionException(e.getMessage(),e.getCause());
}
postProcess();
for (IModel model : getModels()) {
if (model.isStoredOnDisposal()) {
try {
model.store();
}
catch (Exception e) {
throw new QvtMtcExecutionException(e.getMessage(),e.getCause());
}
}
module.getContext().getModelRepository().removeModel(model);
}
}
@Override
public void postProcess() {
// TODO Auto-generated method stub
super.postProcess();
((FlockResult)result).printWarnings(System.out);
}
}
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