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.ETCLEvaluator;
import org.jacorb.notification.filter.EvaluationContext;
import org.jacorb.notification.filter.EvaluationException;
import org.jacorb.notification.filter.EvaluationResult;
import org.omg.CORBA.Any;
import antlr.Token;
/**
* @author Alphonse Bendt
*/
public class ImplicitOperatorNode extends AbstractTCLNode
{
static final String TOKEN_DISCRIM = "_d";
static final String TOKEN_LENGTH = "_length";
static final String TOKEN_REPOS_ID = "_repos_id";
static final String TOKEN_TYPE_ID = "_type_id";
public final static ImplicitOperator OPERATOR_DISCRIM = new DiscrimOperator();
public final static ImplicitOperator OPERATOR_LENGTH = new LengthOperator();
public final static ImplicitOperator OPERATOR_REPO_ID = new RepoOperator();
public final static ImplicitOperator OPERATOR_TYPE_ID = new TypeOperator();
private final ImplicitOperator operator_;
public ImplicitOperatorNode(Token token)
{
super(token);
String _tokenText = token.getText();
if (TOKEN_DISCRIM.equals(_tokenText))
{
operator_ = OPERATOR_DISCRIM;
// operatorName_ = DISCRIM;
setName("ImplicitOperator - _d");
}
else if (TOKEN_LENGTH.equals(_tokenText))
{
operator_ = OPERATOR_LENGTH;
// operatorName_ = LENGTH;
setName("ImplicitOperator - _length");
}
else if (TOKEN_REPOS_ID.equals(_tokenText))
{
operator_ = OPERATOR_REPO_ID;
// operatorName_ = REPO_ID;
setName("Implicit - _repos_id");
}
else if (TOKEN_TYPE_ID.equals(_tokenText))
{
operator_ = OPERATOR_TYPE_ID;
// operatorName_ = TYPE_ID;
setName("Implicit - _type_id");
}
else
{
throw new RuntimeException();
}
}
public ImplicitOperator getOperator()
{
return operator_;
}
public EvaluationResult evaluate(EvaluationContext context) throws EvaluationException
{
return null;
}
public void acceptInOrder(AbstractTCLVisitor visitor) throws VisitorException
{
visitor.visitImplicit(this);
}
public void acceptPreOrder(AbstractTCLVisitor visitor) throws VisitorException
{
visitor.visitImplicit(this);
}
public void acceptPostOrder(AbstractTCLVisitor visitor) throws VisitorException
{
visitor.visitImplicit(this);
}
public String toString()
{
return operator_.toString();
}
}
class RepoOperator implements ImplicitOperator
{
public String toString()
{
return ImplicitOperatorNode.TOKEN_REPOS_ID;
}
public Any evaluateImplicit(ETCLEvaluator evaluator, Any value) throws EvaluationException
{
return evaluator.evaluateRepositoryId(value);
}
}
class TypeOperator implements ImplicitOperator
{
public String toString()
{
return ImplicitOperatorNode.TOKEN_TYPE_ID;
}
public Any evaluateImplicit(ETCLEvaluator evaluator, Any value) throws EvaluationException
{
return evaluator.evaluateTypeName(value);
}
}
class DiscrimOperator implements ImplicitOperator
{
public String toString()
{
return ImplicitOperatorNode.TOKEN_DISCRIM;
}
public Any evaluateImplicit(ETCLEvaluator evaluator, Any value) throws EvaluationException
{
return evaluator.evaluateDiscriminator(value);
}
}
class LengthOperator implements ImplicitOperator
{
public String toString()
{
return ImplicitOperatorNode.TOKEN_LENGTH;
}
public Any evaluateImplicit(ETCLEvaluator evaluator, Any value) throws EvaluationException
{
return evaluator.evaluateListLength(value);
}
}