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/*
 * Copyright 2011 Red Hat, Inc. and/or its affiliates.
 *
 * 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;

import org.drools.compiler.lang.descr.FunctionDescr;

/**
 *  A descriptor builder for functions
 */
public interface FunctionDescrBuilder
    extends
    DescrBuilder,
    ParameterSupportBuilder {

    /**
     * Sets an alternate namespace for the function
     * 
     * @param namespace
     * 
     * @return itself
     */
    public FunctionDescrBuilder namespace( String namespace );

    /**
     * Sets function name
     * 
     * @param name
     * 
     * @return itself
     */
    public FunctionDescrBuilder name( String name );

    /**
     * Sets function return type
     * 
     * @param type
     * 
     * @return itself
     */
    public FunctionDescrBuilder returnType( String type );

    /**
     * Sets the function body
     * 
     * @param body
     * 
     * @return itself
     */
    public FunctionDescrBuilder body( String body );

    /**
     * Sets the function dialect. Default is java.
     * 
     * @param dialect
     * 
     * @return itself
     */
    public FunctionDescrBuilder dialect( String dialect );
}