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 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
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package org.apache.cayenne.access.translator.batch;

import org.apache.cayenne.CayenneRuntimeException;
import org.apache.cayenne.dba.DbAdapter;
import org.apache.cayenne.query.BatchQuery;
import org.apache.cayenne.query.DeleteBatchQuery;
import org.apache.cayenne.query.InsertBatchQuery;
import org.apache.cayenne.query.UpdateBatchQuery;

/**
 * Default implementation of {@link BatchTranslatorFactory}.
 * 
 * @since 4.0
 */
public class DefaultBatchTranslatorFactory implements BatchTranslatorFactory {

    @Override
    public BatchTranslator translator(BatchQuery query, DbAdapter adapter, String trimFunction) {
        if (query instanceof InsertBatchQuery) {
            return insertTranslator((InsertBatchQuery) query, adapter);
        } else if (query instanceof UpdateBatchQuery) {
            return updateTranslator((UpdateBatchQuery) query, adapter, trimFunction);
        } else if (query instanceof DeleteBatchQuery) {
            return deleteTranslator((DeleteBatchQuery) query, adapter, trimFunction);
        } else {
            throw new CayenneRuntimeException("Unsupported batch query: %s", query);
        }
    }

    protected BatchTranslator deleteTranslator(DeleteBatchQuery query, DbAdapter adapter, String trimFunction) {
        return new DeleteBatchTranslator(query, adapter, trimFunction);
    }

    protected BatchTranslator insertTranslator(InsertBatchQuery query, DbAdapter adapter) {
        return new InsertBatchTranslator(query, adapter);
    }

    protected BatchTranslator updateTranslator(UpdateBatchQuery query, DbAdapter adapter, String trimFunction) {
        return new UpdateBatchTranslator(query, adapter, trimFunction);
    }

}