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package edu.harvard.iq.dataverse.engine.command.impl;
import edu.harvard.iq.dataverse.Dataverse;
import edu.harvard.iq.dataverse.Guestbook;
import edu.harvard.iq.dataverse.authorization.Permission;
import edu.harvard.iq.dataverse.engine.command.AbstractCommand;
import edu.harvard.iq.dataverse.engine.command.CommandContext;
import edu.harvard.iq.dataverse.engine.command.DataverseRequest;
import edu.harvard.iq.dataverse.engine.command.RequiredPermissions;
import edu.harvard.iq.dataverse.engine.command.exception.CommandException;
/**
*
* @author skraffmi
*/
@RequiredPermissions( Permission.EditDataverse )
public class DeleteGuestbookCommand extends AbstractCommand<Dataverse>{
private final Guestbook doomed;
private final Dataverse editedDv;
public DeleteGuestbookCommand(DataverseRequest aRequest, Dataverse editedDv , Guestbook doomed) {
super(aRequest, editedDv);
this.editedDv = editedDv;
this.doomed = doomed;
}
@Override
public Dataverse execute(CommandContext ctxt) throws CommandException {
Dataverse merged = ctxt.em().merge(editedDv);
Guestbook doomedAndMerged = ctxt.em().merge(doomed);
ctxt.em().remove(doomedAndMerged);
return merged;
}
}