io.cdap.plugin.batch.sink.TimePartitionedFileSetDatasetParquetSink Maven / Gradle / Ivy
/*
* Copyright © 2015, 2016-2019 Cask Data, 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 io.cdap.plugin.batch.sink;
import io.cdap.cdap.api.annotation.Description;
import io.cdap.cdap.api.annotation.Name;
import io.cdap.cdap.api.annotation.Plugin;
import io.cdap.cdap.api.annotation.Requirements;
import io.cdap.cdap.api.dataset.lib.FileSetProperties;
import io.cdap.cdap.api.dataset.lib.TimePartitionedFileSet;
import io.cdap.cdap.etl.api.batch.BatchSink;
import io.cdap.plugin.common.FileSetUtil;
import io.cdap.plugin.format.FileFormat;
import javax.annotation.Nullable;
/**
* A {@link BatchSink} to write Parquet records to a {@link TimePartitionedFileSet}.
*/
@Plugin(type = "batchsink")
@Name("TPFSParquet")
@Description("Sink for a TimePartitionedFileSet that writes data in Parquet format.")
@Requirements(datasetTypes = TimePartitionedFileSet.TYPE)
public class TimePartitionedFileSetDatasetParquetSink extends
TimePartitionedFileSetSink {
private final TPFSParquetSinkConfig config;
public TimePartitionedFileSetDatasetParquetSink(TPFSParquetSinkConfig config) {
super(config);
this.config = config;
}
@Override
protected String getOutputFormatName() {
return FileFormat.PARQUET.name().toLowerCase();
}
@Override
protected void addFileSetProperties(FileSetProperties.Builder properties) {
FileSetUtil.configureParquetFileSet(config.schema, properties);
}
/**
* Config for TimePartitionedFileSetParquetSink
*/
public static class TPFSParquetSinkConfig extends TPFSSinkConfig {
@Nullable
@Description("Used to specify the compression codec to be used for the final dataset.")
private String compressionCodec;
public TPFSParquetSinkConfig(String name, @Nullable String basePath, @Nullable String pathFormat,
@Nullable String timeZone, @Nullable String compressionCodec) {
super(name, basePath, pathFormat, timeZone);
this.compressionCodec = compressionCodec;
}
}
}