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/*****************************************************************************
* Copyright (c) 2015 CEA LIST.
*
*
* 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:
* Jeremie Tatibouet
*
*****************************************************************************/
package org.eclipse.papyrus.uml.alf.transaction.commit;
import static org.eclipse.papyrus.uml.alf.transaction.ActivatorTransaction.logger;
import java.sql.Timestamp;
import java.util.Calendar;
import org.eclipse.core.runtime.jobs.IJobChangeEvent;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.jobs.JobChangeAdapter;
import org.eclipse.papyrus.uml.alf.libraries.helper.BackupState;
import org.eclipse.papyrus.uml.alf.libraries.helper.BackupState.EditionStatus;
import org.eclipse.papyrus.uml.alf.transaction.job.AlfCompilationJob;
import org.eclipse.uml2.uml.NamedElement;
/**
* This class describes the process of propagating the state of a particular
* model element in a given UML model
*/
public class CommitScenario extends ChangeScenario {
/**
* Flag use to know if the commit is required. it may change in the before method
*/
private boolean isCommitRequired;
public CommitScenario() {
super();
this.isCommitRequired = true;
}
/**
* Update the user model state edition status
*/
public void before() {
/* 1. Check parent constraints */
super.before();
/* 2. Update user model state meta-data */
BackupState editionState = new BackupState();
editionState.status = EditionStatus.MERGED;
editionState.timestamp = new Timestamp(Calendar.getInstance().getTimeInMillis());
this.userModelState.setEditionState(editionState);
this.modelStateToBeCommitted = this.userModelState;
}
/**
* Propagate the model state specified in text within the model
*
* @param - the model element to update with the specified changes
*/
public void execute(NamedElement target, final String lastEditedVersion) {
/* 1. Load the states of the target */
this.init(target);
if (!this.userModelState.getContent().equals(lastEditedVersion)) {
this.userModelState.setText(lastEditedVersion);
}
/* 2. Realize before actions */
this.before();
if (this.isCommitRequired) {
/* 3.1. Schedule a job in charge of propagated the changes in the model */
Job job = new AlfCompilationJob(this.modelStateToBeCommitted);
job.setPriority(Job.SHORT);
job.addJobChangeListener(new JobChangeAdapter() {
@Override
public void done(IJobChangeEvent event) {
CommitScenario.this.after();
}
});
job.schedule();
} else {
this.isCommitRequired = true;
}
}
/**
* This method is automatically called after the job scheduled by this scenario terminates.
*/
public void after() {
logger.info("Compilation Job Done");
}
}
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