Package eu.stratosphere.api.java

Examples of eu.stratosphere.api.java.ExecutionEnvironment

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  }
 
  @Test 
  public void testJoinKeyFields1() {
   
    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.join(ds2).where(0).equalTo(0);
    } catch(Exception e) {
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  }
 
  @Test(expected = InvalidProgramException.class)
  public void testJoinKeyFields2() {
   
    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, incompatible join key types
    ds1.join(ds2).where(0).equalTo(2);
  }
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  }
 
  @Test(expected = InvalidProgramException.class)
  public void testJoinKeyFields3() {
   
    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, incompatible number of join keys
    ds1.join(ds2).where(0,1).equalTo(2);
  }
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  }
 
  @Test(expected = IllegalArgumentException.class)
  public void testJoinKeyFields4() {
   
    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, join key out of range
    ds1.join(ds2).where(5).equalTo(0);
  }
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  }
 
  @Test(expected = IllegalArgumentException.class)
  public void testJoinKeyFields5() {
   
    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, empty join key
    ds1.join(ds2).where().equalTo();
  }
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  }
 
  @Test(expected = IllegalArgumentException.class)
  public void testJoinKeyFields6() {
   
    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, negative key field position
    ds1.join(ds2).where(-1).equalTo(-1);
  }
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  }
 
  @Test(expected = IllegalArgumentException.class)
  public void testJoinKeyFields7() {
   
    final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
    DataSet<CustomType> ds2 = env.fromCollection(customTypeData);

    // should not work, join key fields on custom type
    ds1.join(ds2).where(5).equalTo(0);
  }
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  }
 
  @Test
  public void testJoinKeySelectors1() {
   
    final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    DataSet<CustomType> ds1 = env.fromCollection(customTypeData);
    DataSet<CustomType> ds2 = env.fromCollection(customTypeData);

    // should work
    try {
      ds1.join(ds2)
      .where(
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  }
 
  @Test
  public void testJoinKeyMixing1() {
   
    final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    DataSet<CustomType> ds1 = env.fromCollection(customTypeData);
    DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds2 = env.fromCollection(emptyTupleData, tupleTypeInfo);
   

    // should work
    try {
      ds1.join(ds2)
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  }
 
  @Test
  public void testJoinKeyMixing2() {
   
    final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    DataSet<Tuple5<Integer, Long, String, Long, Integer>> ds1 = env.fromCollection(emptyTupleData, tupleTypeInfo);
    DataSet<CustomType> ds2 = env.fromCollection(customTypeData);

    // should work
    try {
      ds1.join(ds2)
      .where(3)
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