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* 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
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package org.apache.flink.test.operators;
import org.apache.flink.api.common.Plan;
import org.apache.flink.api.java.record.functions.CrossFunction;
import org.apache.flink.api.java.record.io.DelimitedInputFormat;
import org.apache.flink.api.java.record.operators.CrossOperator;
import org.apache.flink.api.java.record.operators.FileDataSink;
import org.apache.flink.api.java.record.operators.FileDataSource;
import org.apache.flink.compiler.PactCompiler;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.test.operators.io.ContractITCaseIOFormats.ContractITCaseInputFormat;
import org.apache.flink.test.operators.io.ContractITCaseIOFormats.ContractITCaseOutputFormat;
import org.apache.flink.test.util.RecordAPITestBase;
import org.apache.flink.types.IntValue;
import org.apache.flink.types.Record;
import org.apache.flink.types.StringValue;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.Serializable;
import java.util.Collection;
import java.util.LinkedList;
@RunWith(Parameterized.class)
public class CrossITCase extends RecordAPITestBase {
private String leftInPath = null;
private String rightInPath = null;
private String resultPath = null;
public CrossITCase(Configuration testConfig) {
super(testConfig);
}
//private static final String LEFT_IN = "1 1\n2 2\n1 1\n2 2\n3 3\n4 4\n3 3\n4 4\n";
//private static final String RIGHT_IN = "1 1\n1 2\n2 2\n2 4\n3 3\n3 6\n4 4\n4 8\n";
//private static final String RESULT = "4 1\n4 1\n4 2\n4 2\n5 2\n5 2\n5 4\n5 4\n6 3\n6 3\n7 4\n7 4\n"
// + "5 0\n5 0\n5 1\n5 1\n6 1\n6 1\n6 3\n6 3\n7 2\n7 2\n8 3\n8 3\n"
// + "6 -1\n6 -1\n6 0\n6 0\n7 0\n7 0\n8 1\n8 1\n" + "7 -2\n7 -2\n7 -1\n7 -1\n8 -1\n8 -1\n";
//private static final String RESULT = "10 1\n10 1\n10 5\n10 5\n4 1\n4 1\n4 2\n4 2\n5 0\n5 0\n5 1\n," +
// "5 1\n5 2\n5 2\n5 4\n5 4\n6 -1\n6 -1\n6 0\n6 0\n6 1\n6 1\n6 3\n6 3\n6 3\n6 3\n6 6\n6 6\n7 -1\n" +
// "7 -1\n7 -2\n7 -2\n7 0\n7 0\n7 2\n7 2\n7 2\n7 2\n7 4\n7 4\n7 5\n7 5\n7 8\n7 8\n8 -1\n8 -1\n8 1\n" +
// "8 1\n8 1\n8 1\n8 3\n8 3\n8 4\n8 4\n8 7\n8 7\n9 0\n9 0\n9 2\n9 2\n9 3\n9 3\n9 6\n9 6\n";
//private static final String RESULT = "2 2\n4 4\n1 1\n3 3\n2 2\n4 4\n1 1\n3 3\n5 0\n5 1\n6 1\n 6 3\n" +
// "7 2\n7 5\n8 3\n8 7\n7 -2\n7 -1\n8 -1\n8 1\n9 0\n9 3\n10 1\n10 5\n4 1\n4 2\n5 2\n5 4\n6 3\n" +
// "6 6\n7 4\n7 8\n6 -1\n6 0\n7 0\n7 2\n8 1\n8 4\n9 2\n9 6\n5 0\n5 1\n6 1\n6 3\n7 2\n7 5\n 8 3\n" +
// "8 7\n7 -2\n7 -1\n8 -1\n8 1\n9 0\n9 3\n10 1\n10 5\n4 1\n4 2\n5 2\n5 4\n6 3\n6 6\n7 4\n7 8\n" +
// "6 -1\n6 0\n7 0\n7 2\n8 1\n8 4\n9 2\n9 6";
private static final String LEFT_IN = "1 1\n2 2\n3 3\n";
private static final String RIGHT_IN = "3 6\n4 4\n4 8\n";
private static final String RESULT = "6 6\n7 5\n7 8\n7 4\n8 3\n8 7\n8 4\n9 2\n9 6\n";
@Override
protected void preSubmit() throws Exception {
leftInPath = createTempFile("left_in.txt", LEFT_IN);
rightInPath = createTempFile("right_in.txt", RIGHT_IN);
resultPath = getTempDirPath("result");
}
public static class TestCross extends CrossFunction implements Serializable {
private static final long serialVersionUID = 1L;
private StringValue string = new StringValue();
private IntValue integer = new IntValue();
@Override
public Record cross(Record record1, Record record2) throws Exception {
string = record1.getField(1, string);
int val1 = Integer.parseInt(string.toString());
string = record2.getField(1, string);
int val2 = Integer.parseInt(string.toString());
string = record1.getField(0, string);
int key1 = Integer.parseInt(string.toString());
string = record2.getField(0, string);
int key2 = Integer.parseInt(string.toString());
string.setValue((key1 + key2 + 2) + "");
integer.setValue(val2 - val1 + 1);
record1.setField(0, string);
record1.setField(1, integer);
return record1;
}
}
@Override
protected Plan getTestJob() {
FileDataSource input_left = new FileDataSource(
new ContractITCaseInputFormat(), leftInPath);
DelimitedInputFormat.configureDelimitedFormat(input_left)
.recordDelimiter('\n');
input_left.setDegreeOfParallelism(config.getInteger("CrossTest#NoSubtasks", 1));
FileDataSource input_right = new FileDataSource(
new ContractITCaseInputFormat(), rightInPath);
DelimitedInputFormat.configureDelimitedFormat(input_right)
.recordDelimiter('\n');
input_right.setDegreeOfParallelism(config.getInteger("CrossTest#NoSubtasks", 1));
CrossOperator testCross = CrossOperator.builder(new TestCross()).build();
testCross.setDegreeOfParallelism(config.getInteger("CrossTest#NoSubtasks", 1));
testCross.getParameters().setString(PactCompiler.HINT_LOCAL_STRATEGY,
config.getString("CrossTest#LocalStrategy", ""));
if (config.getString("CrossTest#ShipStrategy", "").equals("BROADCAST_FIRST")) {
testCross.getParameters().setString(PactCompiler.HINT_SHIP_STRATEGY_FIRST_INPUT,
PactCompiler.HINT_SHIP_STRATEGY_BROADCAST);
testCross.getParameters().setString(PactCompiler.HINT_SHIP_STRATEGY_SECOND_INPUT,
PactCompiler.HINT_SHIP_STRATEGY_FORWARD);
} else if (config.getString("CrossTest#ShipStrategy", "").equals("BROADCAST_SECOND")) {
testCross.getParameters().setString(PactCompiler.HINT_SHIP_STRATEGY_FIRST_INPUT,
PactCompiler.HINT_SHIP_STRATEGY_BROADCAST);
testCross.getParameters().setString(PactCompiler.HINT_SHIP_STRATEGY_SECOND_INPUT,
PactCompiler.HINT_SHIP_STRATEGY_FORWARD);
} else {
testCross.getParameters().setString(PactCompiler.HINT_SHIP_STRATEGY,
config.getString("CrossTest#ShipStrategy", ""));
}
FileDataSink output = new FileDataSink(
new ContractITCaseOutputFormat(), resultPath);
output.setDegreeOfParallelism(1);
output.setInput(testCross);
testCross.setFirstInput(input_left);
testCross.setSecondInput(input_right);
return new Plan(output);
}
@Override
protected void postSubmit() throws Exception {
compareResultsByLinesInMemory(RESULT, resultPath);
}
@Parameters
public static Collection<Object[]> getConfigurations() throws FileNotFoundException, IOException {
LinkedList<Configuration> tConfigs = new LinkedList<Configuration>();
String[] localStrategies = { PactCompiler.HINT_LOCAL_STRATEGY_NESTEDLOOP_BLOCKED_OUTER_FIRST,
PactCompiler.HINT_LOCAL_STRATEGY_NESTEDLOOP_BLOCKED_OUTER_SECOND,
PactCompiler.HINT_LOCAL_STRATEGY_NESTEDLOOP_STREAMED_OUTER_FIRST,
PactCompiler.HINT_LOCAL_STRATEGY_NESTEDLOOP_STREAMED_OUTER_SECOND };
String[] shipStrategies = { "BROADCAST_FIRST", "BROADCAST_SECOND"
// PactCompiler.HINT_SHIP_STRATEGY_BROADCAST
// PactCompiler.HINT_SHIP_STRATEGY_SFR
};
for (String localStrategy : localStrategies) {
for (String shipStrategy : shipStrategies) {
Configuration config = new Configuration();
config.setString("CrossTest#LocalStrategy", localStrategy);
config.setString("CrossTest#ShipStrategy", shipStrategy);
config.setInteger("CrossTest#NoSubtasks", 4);
tConfigs.add(config);
}
}
return toParameterList(tConfigs);
}
}