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/**
 * Copyright 2018 Mike Hummel
 *
 * 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 de.mhus.lib.sql;

import java.util.List;

/**
 * A mutable variant of the Metadata to rapid develop extensions.
 *
 * @author mikehummel
 */
public class MutableMetadata extends SqlMetadata {

    public MutableMetadata() {}

    /**
     * This method cleanup the internal index. Manipulate the map before you call a getter, this
     * will recreate the internal index. Changes after it will not affect.
     *
     * @return x
     */
    public List getMap() {
        synchronized (this) {
            index = null;
            return definition;
        }
    }
}