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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.test.recordJobs.relational;
import org.apache.flink.api.common.Plan;
import org.apache.flink.api.common.Program;
import org.apache.flink.api.common.ProgramDescription;
import org.apache.flink.api.java.record.operators.FileDataSink;
import org.apache.flink.api.java.record.operators.FileDataSource;
import org.apache.flink.api.java.record.operators.MapOperator;
import org.apache.flink.api.java.record.operators.ReduceOperator;
import org.apache.flink.test.recordJobs.relational.query1Util.GroupByReturnFlag;
import org.apache.flink.test.recordJobs.relational.query1Util.LineItemFilter;
import org.apache.flink.test.recordJobs.util.IntTupleDataInFormat;
import org.apache.flink.test.recordJobs.util.StringTupleDataOutFormat;
import org.apache.flink.types.StringValue;
public class TPCHQuery1 implements Program, ProgramDescription {
private static final long serialVersionUID = 1L;
private int degreeOfParallelism = 1;
private String lineItemInputPath;
private String outputPath;
@Override
public Plan getPlan(String... args) throws IllegalArgumentException {
if(args.length != 3)
{
this.degreeOfParallelism = 1;
this.lineItemInputPath = "";
this.outputPath = "";
}else{
this.degreeOfParallelism = Integer.parseInt(args[0]);
this.lineItemInputPath = args[1];
this.outputPath = args[2];
}
FileDataSource lineItems =
new FileDataSource(new IntTupleDataInFormat(), this.lineItemInputPath, "LineItems");
lineItems.setDegreeOfParallelism(this.degreeOfParallelism);
FileDataSink result =
new FileDataSink(new StringTupleDataOutFormat(), this.outputPath, "Output");
result.setDegreeOfParallelism(this.degreeOfParallelism);
MapOperator lineItemFilter =
MapOperator.builder(new LineItemFilter())
.name("LineItem Filter")
.build();
lineItemFilter.setDegreeOfParallelism(this.degreeOfParallelism);
ReduceOperator groupByReturnFlag =
ReduceOperator.builder(new GroupByReturnFlag(), StringValue.class, 0)
.name("groupyBy")
.build();
lineItemFilter.setInput(lineItems);
groupByReturnFlag.setInput(lineItemFilter);
result.setInput(groupByReturnFlag);
return new Plan(result, "TPC-H 1");
}
@Override
public String getDescription() {
return "Parameters: [dop] [lineitem-input] [output]";
}
}