package org.jacorb.notification.filter.etcl;
/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2014 Gerald Brose / The JacORB Team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
import org.jacorb.notification.filter.EvaluationContext;
import org.jacorb.notification.filter.EvaluationException;
import org.jacorb.notification.filter.EvaluationResult;
import org.jacorb.notification.filter.RuntimeVariable;
import antlr.Token;
/**
* @author Alphonse Bendt
*/
public class RuntimeVariableNode
extends AbstractTCLNode
implements RuntimeVariable
{
private final String value_;
private final AbstractTCLNode strategy_;
public RuntimeVariableNode( Token token )
{
super(token);
value_ = token.getText();
strategy_ = newStrategy(value_);
}
public EvaluationResult evaluate(EvaluationContext context)
throws EvaluationException
{
return strategy_.evaluate(context);
}
private AbstractTCLNode newStrategy(String variable) {
if (DomainNameShorthandNode.SHORT_NAME.equals(variable)) {
return new DomainNameShorthandNode();
} else if (TypeNameShorthandNode.SHORT_NAME.equals(variable)) {
return new TypeNameShorthandNode();
} else if (EventNameShorthandNode.SHORT_NAME.equals(variable)) {
return new EventNameShorthandNode();
} else if (CurrentTimeNode.SHORT_NAME.equals(variable)) {
return new CurrentTimeNode();
} else {
return new PropertyShorthandNode(variable);
}
}
public void acceptPostOrder( AbstractTCLVisitor visitor ) throws VisitorException
{
if (getFirstChild() != null) {
( ( AbstractTCLNode ) getFirstChild() ).acceptPostOrder( visitor );
}
visitor.visitRuntimeVariable( this );
}
public void acceptPreOrder( AbstractTCLVisitor visitor ) throws VisitorException
{
visitor.visitRuntimeVariable( this );
if (getFirstChild() != null) {
( ( AbstractTCLNode ) getFirstChild() ).acceptPreOrder( visitor );
}
}
public void acceptInOrder( AbstractTCLVisitor visitor ) throws VisitorException
{
if (getFirstChild() != null) {
( ( AbstractTCLNode ) getFirstChild() ).acceptInOrder( visitor );
}
visitor.visitRuntimeVariable(this);
}
public String toString() {
return value_;
}
public String getIdentifier() {
return value_;
}
}