/***********************************************************************************************************************
*
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* 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 eu.stratosphere.api.java.operator;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import junit.framework.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import eu.stratosphere.api.java.DataSet;
import eu.stratosphere.api.java.ExecutionEnvironment;
import eu.stratosphere.api.java.tuple.Tuple5;
import eu.stratosphere.api.java.typeutils.BasicTypeInfo;
import eu.stratosphere.api.java.typeutils.TupleTypeInfo;
public class CrossOperatorTest {
// TUPLE DATA
private static final List<Tuple5<Integer, Long, String, Long, Integer>> emptyTupleData =
new ArrayList<Tuple5<Integer, Long, String, Long, Integer>>();
private final TupleTypeInfo<Tuple5<Integer, Long, String, Long, Integer>> tupleTypeInfo = new
TupleTypeInfo<Tuple5<Integer, Long, String, Long, Integer>>(
BasicTypeInfo.INT_TYPE_INFO,
BasicTypeInfo.LONG_TYPE_INFO,
BasicTypeInfo.STRING_TYPE_INFO,
BasicTypeInfo.LONG_TYPE_INFO,
BasicTypeInfo.INT_TYPE_INFO
);
private static List<CustomType> customTypeData = new ArrayList<CustomType>();
@BeforeClass
public static void insertCustomData() {
customTypeData.add(new CustomType());
}
@Test
public void testCrossProjection1() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should work
try {
ds1.cross(ds2)
.projectFirst(0)
.types(Integer.class);
} catch(Exception e) {
Assert.fail();
}
}
@Test
public void testCrossProjection2() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should work
try {
ds1.cross(ds2)
.projectFirst(0,3)
.types(Integer.class, Long.class);
} catch(Exception e) {
Assert.fail();
}
}
@Test
public void testCrossProjection3() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should work
try {
ds1.cross(ds2)
.projectFirst(0)
.projectSecond(3)
.types(Integer.class, Long.class);
} catch(Exception e) {
Assert.fail();
}
}
@Test
public void testCrossProjection4() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should work
try {
ds1.cross(ds2)
.projectFirst(0,2)
.projectSecond(1,4)
.projectFirst(1)
.types(Integer.class, String.class, Long.class, Integer.class, Long.class);
} catch(Exception e) {
Assert.fail();
}
}
@Test
public void testCrossProjection5() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should work
try {
ds1.cross(ds2)
.projectSecond(0,2)
.projectFirst(1,4)
.projectFirst(1)
.types(Integer.class, String.class, Long.class, Integer.class, Long.class);
} catch(Exception e) {
Assert.fail();
}
}
@Test
public void testCrossProjection6() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<CustomType> ds1 = env.fromCollection(customTypeData);
DataSet<CustomType> ds2 = env.fromCollection(customTypeData);
// should work
try {
ds1.cross(ds2)
.projectFirst()
.projectSecond()
.types(CustomType.class, CustomType.class);
} catch(Exception e) {
Assert.fail();
}
}
@Test
public void testCrossProjection7() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should work
try {
ds1.cross(ds2)
.projectSecond()
.projectFirst(1,4)
.types(Tuple5.class, Long.class, Integer.class);
} catch(Exception e) {
Assert.fail();
}
}
@Test(expected=IndexOutOfBoundsException.class)
public void testCrossProjection8() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should not work, index out of range
ds1.cross(ds2)
.projectFirst(5)
.types(Integer.class);
}
@Test(expected=IndexOutOfBoundsException.class)
public void testCrossProjection9() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should not work, index out of range
ds1.cross(ds2)
.projectSecond(5)
.types(Integer.class);
}
@Test(expected=IllegalArgumentException.class)
public void testCrossProjection10() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should not work, type does not match
ds1.cross(ds2)
.projectFirst(2)
.types(Integer.class);
}
@Test(expected=IllegalArgumentException.class)
public void testCrossProjection11() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should not work, type does not match
ds1.cross(ds2)
.projectSecond(2)
.types(Integer.class);
}
@Test(expected=IllegalArgumentException.class)
public void testCrossProjection12() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should not work, number of types and fields does not match
ds1.cross(ds2)
.projectSecond(2)
.projectFirst(1)
.types(String.class);
}
@Test(expected=IndexOutOfBoundsException.class)
public void testCrossProjection13() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should not work, index out of range
ds1.cross(ds2)
.projectSecond(0)
.projectFirst(5)
.types(Integer.class);
}
@Test(expected=IndexOutOfBoundsException.class)
public void testCrossProjection14() {
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
// should not work, index out of range
ds1.cross(ds2)
.projectFirst(0)
.projectSecond(5)
.types(Integer.class);
}
/*
* ####################################################################
*/
public static class CustomType implements Serializable {
private static final long serialVersionUID = 1L;
public int myInt;
public long myLong;
public String myString;
public CustomType() {};
public CustomType(int i, long l, String s) {
myInt = i;
myLong = l;
myString = s;
}
@Override
public String toString() {
return myInt+","+myLong+","+myString;
}
}
}