/*
* Copyright 2011 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.lang.api;
import org.drools.lang.descr.AndDescr;
import org.drools.lang.descr.BaseDescr;
import org.drools.lang.descr.ConditionalElementDescr;
import org.drools.lang.descr.ExistsDescr;
import org.drools.lang.descr.NotDescr;
import org.drools.lang.descr.OrDescr;
/**
* An implementation for the CEDescrBuilder
*/
public class CEDescrBuilderImpl<P extends DescrBuilder<?>, T extends BaseDescr> extends BaseDescrBuilderImpl<T>
implements
CEDescrBuilder<P, T> {
private P parent;
public CEDescrBuilderImpl(P parent, T descr) {
super( descr );
this.parent = parent;
}
/**
* {@inheritDoc}
*/
public CEDescrBuilder<CEDescrBuilder<P, T>, AndDescr> and() {
AndDescr andDescr = null;
// if( descr instanceof AndDescr ) {
// andDescr = (AndDescr) descr;
// } else {
andDescr = new AndDescr();
((ConditionalElementDescr) descr).addDescr( andDescr );
// }
CEDescrBuilder<CEDescrBuilder<P, T>, AndDescr> and = new CEDescrBuilderImpl<CEDescrBuilder<P, T>, AndDescr>( this, andDescr );
return and;
}
/**
* {@inheritDoc}
*/
public CEDescrBuilder<CEDescrBuilder<P, T>, OrDescr> or() {
OrDescr orDescr = null;
// if( descr instanceof OrDescr ) {
// orDescr = (OrDescr) descr;
// } else {
orDescr = new OrDescr();
((ConditionalElementDescr) descr).addDescr( orDescr );
// }
CEDescrBuilder<CEDescrBuilder<P, T>, OrDescr> or = new CEDescrBuilderImpl<CEDescrBuilder<P, T>, OrDescr>( this, orDescr );
return or;
}
/**
* {@inheritDoc}
*/
public CEDescrBuilder<CEDescrBuilder<P, T>, NotDescr> not() {
CEDescrBuilder<CEDescrBuilder<P, T>, NotDescr> not = new CEDescrBuilderImpl<CEDescrBuilder<P, T>, NotDescr>( this, new NotDescr() );
((ConditionalElementDescr) descr).addDescr( not.getDescr() );
return not;
}
/**
* {@inheritDoc}
*/
public CEDescrBuilder<CEDescrBuilder<P, T>, ExistsDescr> exists() {
CEDescrBuilder<CEDescrBuilder<P, T>, ExistsDescr> exists = new CEDescrBuilderImpl<CEDescrBuilder<P, T>, ExistsDescr>( this, new ExistsDescr() );
((ConditionalElementDescr) descr).addDescr( exists.getDescr() );
return exists;
}
/**
* {@inheritDoc}
*/
public ForallDescrBuilder<CEDescrBuilder<P, T>> forall() {
ForallDescrBuilder<CEDescrBuilder<P, T>> forall = new ForallDescrBuilderImpl<CEDescrBuilder<P, T>>( this );
((ConditionalElementDescr) descr).addDescr( forall.getDescr() );
return forall;
}
/**
* {@inheritDoc}
*/
public EvalDescrBuilder<CEDescrBuilder<P, T>> eval() {
EvalDescrBuilder<CEDescrBuilder<P, T>> eval = new EvalDescrBuilderImpl<CEDescrBuilder<P,T>>();
((ConditionalElementDescr) descr).addDescr( eval.getDescr() );
return eval;
}
/**
* {@inheritDoc}
*/
public PatternDescrBuilder<CEDescrBuilder<P, T>> pattern( String type ) {
PatternDescrBuilder<CEDescrBuilder<P, T>> pattern = new PatternDescrBuilderImpl<CEDescrBuilder<P, T>>( this, type );
((ConditionalElementDescr) descr).addDescr( pattern.getDescr() );
return pattern;
}
/**
* {@inheritDoc}
*/
public PatternDescrBuilder<CEDescrBuilder<P, T>> pattern() {
PatternDescrBuilder<CEDescrBuilder<P, T>> pattern = new PatternDescrBuilderImpl<CEDescrBuilder<P, T>>( this );
((ConditionalElementDescr) descr).addDescr( pattern.getDescr() );
return pattern;
}
public P end() {
return parent;
}
}