package es.tid.cim.diagram.edit.commands;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.emf.type.core.commands.EditElementCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import es.tid.cim.ComputerSystem;
import es.tid.cim.FilterList;
import es.tid.cim.diagram.edit.policies.CIMLevelZeroBaseItemSemanticEditPolicy;
/**
* @generated
*/
public class ComputerSystemHostedFilterListCreateCommand extends
EditElementCommand {
/**
* @generated
*/
private final EObject source;
/**
* @generated
*/
private final EObject target;
/**
* @generated
*/
public ComputerSystemHostedFilterListCreateCommand(
CreateRelationshipRequest request, EObject source, EObject target) {
super(request.getLabel(), null, request);
this.source = source;
this.target = target;
}
/**
* @generated
*/
public boolean canExecute() {
if (source == null && target == null) {
return false;
}
if (source != null && false == source instanceof ComputerSystem) {
return false;
}
if (target != null && false == target instanceof FilterList) {
return false;
}
if (getSource() == null) {
return true; // link creation is in progress; source is not defined yet
}
// target may be null here but it's possible to check constraint
return CIMLevelZeroBaseItemSemanticEditPolicy.LinkConstraints
.canCreateComputerSystemHostedFilterList_4051(getSource(),
getTarget());
}
/**
* @generated
*/
protected CommandResult doExecuteWithResult(IProgressMonitor monitor,
IAdaptable info) throws ExecutionException {
if (!canExecute()) {
throw new ExecutionException(
"Invalid arguments in create link command"); //$NON-NLS-1$
}
if (getSource() != null && getTarget() != null) {
getSource().getHostedFilterList().add(getTarget());
}
return CommandResult.newOKCommandResult();
}
/**
* @generated
*/
protected ComputerSystem getSource() {
return (ComputerSystem) source;
}
/**
* @generated
*/
protected FilterList getTarget() {
return (FilterList) target;
}
}