asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/operators/ExternalDatasetIndexesCommitOperatorDescriptor.java

/*
 * 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
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package org.apache.asterix.external.operators;

import java.util.List;

import org.apache.hyracks.api.context.IHyracksTaskContext;
import org.apache.hyracks.api.exceptions.HyracksDataException;
import org.apache.hyracks.api.io.FileReference;
import org.apache.hyracks.api.io.IIOManager;
import org.apache.hyracks.api.job.IOperatorDescriptorRegistry;
import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
import org.apache.hyracks.storage.am.lsm.common.api.ITwoPCIndex;
import org.apache.hyracks.storage.common.IIndex;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class ExternalDatasetIndexesCommitOperatorDescriptor extends AbstractExternalDatasetIndexesOperatorDescriptor {
    private static final long serialVersionUID = 1L;
    private static final Logger LOGGER = LogManager.getLogger();

    public ExternalDatasetIndexesCommitOperatorDescriptor(IOperatorDescriptorRegistry spec,
            List<IIndexDataflowHelperFactory> indexesDataflowHelperFactories) {
        super(spec, indexesDataflowHelperFactories);
    }

    @Override
    protected void performOpOnIndex(IIndexDataflowHelper indexHelper, IHyracksTaskContext ctx)
            throws HyracksDataException {
        String path = indexHelper.getResource().getPath();
        IIOManager ioManager = ctx.getIoManager();
        FileReference file = ioManager.resolve(path);
        LOGGER.warn("performing the operation on " + file.getFile().getAbsolutePath());
        // Get index
        IIndex index = indexHelper.getIndexInstance();
        // commit transaction
        ((ITwoPCIndex) index).commitTransaction();
        LOGGER.warn("operation on " + file.getFile().getAbsolutePath() + " Succeded");
    }
}