/**
 * Copyright 2010 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.command;

import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseConfiguration;
import org.drools.KnowledgeBaseFactory;
import org.drools.command.Context;
import org.drools.command.impl.GenericCommand;

public class NewKnowledgeBaseCommand
    implements
    GenericCommand<KnowledgeBase> {

    private KnowledgeBaseConfiguration kbaseConf;

    public NewKnowledgeBaseCommand(KnowledgeBaseConfiguration kbaseConf) {
        this.kbaseConf = kbaseConf;
    }

    public KnowledgeBase execute(Context context) {
        KnowledgeBase kbase = null;
        if ( this.kbaseConf == null ) {
            kbase = KnowledgeBaseFactory.newKnowledgeBase();
        } else {
            kbase = KnowledgeBaseFactory.newKnowledgeBase( this.kbaseConf );
        }

        return kbase;
    }

}