/*
* Copyright 2006 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.rule.builder.dialect.clips;
import org.drools.clips.Appendable;
import org.drools.clips.FunctionHandlers;
import org.drools.clips.LispForm;
import org.drools.clips.StringBuilderAppendable;
import org.drools.lang.descr.BaseDescr;
import org.drools.lang.descr.EvalDescr;
import org.drools.rule.Pattern;
import org.drools.rule.RuleConditionElement;
import org.drools.rule.builder.RuleBuildContext;
import org.drools.rule.builder.RuleConditionBuilder;
import org.drools.rule.builder.dialect.mvel.MVELEvalBuilder;
/**
* @author etirelli
*
*/
public class ClipsEvalBuilder extends MVELEvalBuilder
implements
RuleConditionBuilder {
public RuleConditionElement build(final RuleBuildContext context,
final BaseDescr descr) {
return build( context,
descr,
null );
}
/**
* Builds and returns an Eval Conditional Element
*
* @param context The current build context
* @param utils The current build utils instance
* @param patternBuilder not used by EvalBuilder
* @param descr The Eval Descriptor to build the eval conditional element from
*
* @return the Eval Conditional Element
*/
public RuleConditionElement build(final RuleBuildContext context,
final BaseDescr descr,
final Pattern prefixPattern) {
Appendable builder = new StringBuilderAppendable();
EvalDescr edescr = (EvalDescr) descr;
FunctionHandlers.dump( (LispForm) edescr.getContent(),
builder );
edescr.setContent( builder.toString() );
return super.build(context, descr, prefixPattern);
}
}