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/*
 * Copyright 2010 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.builder;

import java.util.Properties;

import org.drools.KnowledgeBase;
import org.drools.Service;

import com.sun.tools.xjc.Options;

/**
 * KnowledgeBuilderFactoryService is used by the KnowledgeBuilderFactory to "provide" it's concrete implementation.
 * 
 * This class is not considered stable and may change, the user is protected from this change by using 
 * the Factory api, which is considered stable.
 */
public interface KnowledgeBuilderFactoryService  extends Service {
    /**
     * Instantiate and return a new KnowledgeBuilderConfiguration
     * @return
     *     the KnowledgeBuilderConfiguration
     */
    public KnowledgeBuilderConfiguration newKnowledgeBuilderConfiguration();

    /**
     * Instantiate and return a new KnowledgeBuilderConfiguration
     * 
     * @param properties
     *     Properties file to process, can be null;
     * @param classLoader
     *     Provided ClassLoader, can be null and then ClassLoader defaults to Thread.currentThread().getContextClassLoader()
     * @return
     */
    public KnowledgeBuilderConfiguration newKnowledgeBuilderConfiguration(Properties properties,
                                                                          ClassLoader... classLoader);

    /**
     * DecisionTables need to take a configuration of the InputType and XLS based
     * ones can also take a Worksheet name.
     * 
     * @return
     *     The DecisionTableConfiguration
     */
    public DecisionTableConfiguration newDecisionTableConfiguration();

    /**
     * Instantiate and return a new KnowledgeBuilder using the default KnowledgeBuilderConfiguration
     * 
     * @return
     *     The KnowledgeBuilder
     */
    public KnowledgeBuilder newKnowledgeBuilder();

    /**
     * Instantiate and return a new KnowledgeBuilder using the given KnowledgeBuilderConfiguration
     * 
     * @param conf
     *     The KnowledgeBuilderConfiguration
     * @return
     *     The KnowledgeBuilder
     */
    public KnowledgeBuilder newKnowledgeBuilder(KnowledgeBuilderConfiguration conf);

    public KnowledgeBuilder newKnowledgeBuilder(KnowledgeBase kbase);

    public KnowledgeBuilder newKnowledgeBuilder(KnowledgeBase kbase,
                                                KnowledgeBuilderConfiguration conf);

    public JaxbConfiguration newJaxbConfiguration(Options xjcOpts,
                                                  String systemId);
}