org.drools.compiler.lang.api.impl.RuleDescrBuilderImpl Maven / Gradle / Ivy

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/*
 * 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.compiler.lang.api.impl;

import org.drools.compiler.lang.api.AnnotationDescrBuilder;
import org.drools.compiler.lang.api.AttributeDescrBuilder;
import org.drools.compiler.lang.api.CEDescrBuilder;
import org.drools.compiler.lang.api.PackageDescrBuilder;
import org.drools.compiler.lang.descr.AndDescr;
import org.drools.compiler.lang.descr.AttributeDescr;
import org.drools.compiler.lang.api.RuleDescrBuilder;
import org.drools.compiler.lang.descr.RuleDescr;

/**
 * A descr builder for Rules
 */
public class RuleDescrBuilderImpl extends BaseDescrBuilderImpl
    implements
    RuleDescrBuilder {

    protected RuleDescrBuilderImpl(PackageDescrBuilder parent) {
        super( parent,
               new RuleDescr() );
    }

    public AnnotationDescrBuilder newAnnotation( String name ) {
        AnnotationDescrBuilder annotation = new AnnotationDescrBuilderImpl( this,
                                                                                                                name );
        descr.addAnnotation( annotation.getDescr() );
        return annotation;
    }

    public AttributeDescrBuilder attribute( String name ) {
        AttributeDescrBuilder attribute = new AttributeDescrBuilderImpl( this,
                                                                                                             name );
        descr.addAttribute( attribute.getDescr() );
        return attribute;
    }

    public RuleDescrBuilder name( String name ) {
        descr.setName( name );
        return this;
    }

    public RuleDescrBuilder extendsRule( String name ) {
        descr.setParentName( name );
        return this;
    }

    public RuleDescrBuilder rhs( String rhs ) {
        descr.setConsequence( rhs );
        return this;
    }

    public RuleDescrBuilder namedRhs( String name, String rhs ) {
        descr.addNamedConsequences( name, rhs );
        return this;
    }

    public CEDescrBuilder lhs() {
        CEDescrBuilder ce = new CEDescrBuilderImpl( this,
                                                                                                            new AndDescr() );
        descr.setLhs( ce.getDescr() );
        return ce;
    }

    public RuleDescrBuilder attribute( String name,
                                       String value ) {
        descr.addAttribute( new AttributeDescr( name,
                                                value ) );
        return this;
    }

    public RuleDescrBuilder attribute( String name,
                                       String value,
                                       AttributeDescr.Type type ) {
        descr.addAttribute( new AttributeDescr( name,
                                                value,
                                                type ) );
        return this;
    }

}