/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * 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
 * under the License.
 */
package org.apache.hyracks.storage.am.lsm.common.impls;

import org.apache.hyracks.api.exceptions.HyracksDataException;
import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
import org.apache.hyracks.storage.am.common.impls.AbstractTreeIndex.AbstractTreeIndexBulkLoader;
import org.apache.hyracks.storage.am.lsm.common.api.ILSMTreeTupleWriter;
import org.apache.hyracks.storage.common.IIndexBulkLoader;

public class LSMIndexBulkLoader implements IChainedComponentBulkLoader {
    private final IIndexBulkLoader bulkLoader;

    public LSMIndexBulkLoader(IIndexBulkLoader bulkLoader) {
        this.bulkLoader = bulkLoader;
    }

    @Override
    public ITupleReference delete(ITupleReference tuple) throws HyracksDataException {
        ILSMTreeTupleWriter tupleWriter =
                (ILSMTreeTupleWriter) ((AbstractTreeIndexBulkLoader) bulkLoader).getLeafFrame().getTupleWriter();
        tupleWriter.setAntimatter(true);
        try {
            bulkLoader.add(tuple);
        } finally {
            tupleWriter.setAntimatter(false);
        }
        return tuple;
    }

    @Override
    public void cleanupArtifacts() throws HyracksDataException {
        //Noop
    }

    @Override
    public ITupleReference add(ITupleReference tuple) throws HyracksDataException {
        bulkLoader.add(tuple);
        return tuple;
    }

    @Override
    public void end() throws HyracksDataException {
        bulkLoader.end();
    }

    @Override
    public void abort() throws HyracksDataException {
        bulkLoader.abort();
    }
}
