Package org.apache.flink.api.common.operators

Examples of org.apache.flink.api.common.operators.SingleInputSemanticProperties

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      Plan plan = env.createProgramPlan();
     
      GenericDataSinkBase<?> sink = plan.getDataSinks().iterator().next();
      MapOperatorBase<?, ?, ?> mapper = (MapOperatorBase<?, ?, ?>) sink.getInput();
     
      SingleInputSemanticProperties semantics = mapper.getSemanticProperties();
     
      FieldSet fw1 = semantics.getForwardedField(0);
      FieldSet fw2 = semantics.getForwardedField(1);
      FieldSet fw3 = semantics.getForwardedField(2);
     
      assertNotNull(fw1);
      assertNotNull(fw2);
      assertNotNull(fw3);
     
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    {
      String[] constantFields = { "0->0,1", "1->2" };
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple3<Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 2);
      Assert.assertTrue(fs.contains(0));
      Assert.assertTrue(fs.contains(1));
 
      fs = sp.getForwardedField(1);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
    }
   
    // with spaces
    {
      String[] constantFields = { "0 -> 0 ,   1 ", " 1     -> 2  " };
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple3<Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 2);
      Assert.assertTrue(fs.contains(0));
      Assert.assertTrue(fs.contains(1));
 
      fs = sp.getForwardedField(1);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
    }
  }
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  public void testConstantWithArrowIndividualStringsSpaces() {
    String[] constantFields = { "  1-> 1 , 2", "2 ->3" };

    TypeInformation<?> type = new TupleTypeInfo<Tuple4<Integer, Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
        BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
    SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);

    FieldSet fs = sp.getForwardedField(1);
    Assert.assertTrue(fs.size() == 2);
    Assert.assertTrue(fs.contains(1));
    Assert.assertTrue(fs.contains(2));

    fs = sp.getForwardedField(2);
    Assert.assertTrue(fs.size() == 1);
    Assert.assertTrue(fs.contains(3));
  }
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    {
      String[] constantFields = { "0->0,1;1->2" };
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple3<Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 2);
      Assert.assertTrue(fs.contains(0));
      Assert.assertTrue(fs.contains(1));
 
      fs = sp.getForwardedField(1);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
    }
   
    // wide (with spaces)
    {
      String[] constantFields = { "  0 ->  0  ,  1  ;   1  -> 2 " };
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple3<Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 2);
      Assert.assertTrue(fs.contains(0));
      Assert.assertTrue(fs.contains(1));
 
      fs = sp.getForwardedField(1);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
    }
  }
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    {
      String[] constantFields = {"2","3","0"};
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple5<Integer, Integer, Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(0));
 
      fs = sp.getForwardedField(2);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
 
      fs = sp.getForwardedField(3);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(3));
 
      Assert.assertNull(sp.getForwardedField(1));
      Assert.assertNull(sp.getForwardedField(4));
    }
   
    // with spaces
    {
      String[] constantFields = {" 2   ","3  ","  0"};
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple5<Integer, Integer, Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(0));
 
      fs = sp.getForwardedField(2);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
 
      fs = sp.getForwardedField(3);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(3));
 
      Assert.assertNull(sp.getForwardedField(1));
      Assert.assertNull(sp.getForwardedField(4));
    }
  }
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    {
      String[] constantFields = {"2;3;0"};
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple5<Integer, Integer, Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(0));
 
      fs = sp.getForwardedField(2);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
 
      fs = sp.getForwardedField(3);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(3));
 
      Assert.assertNull(sp.getForwardedField(1));
      Assert.assertNull(sp.getForwardedField(4));
    }
   
    // no spaces
    {
      String[] constantFields = {"  2  ;   3  ;  0   "};
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple5<Integer, Integer, Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(0));
 
      fs = sp.getForwardedField(2);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
 
      fs = sp.getForwardedField(3);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(3));
 
      Assert.assertNull(sp.getForwardedField(1));
      Assert.assertNull(sp.getForwardedField(4));
    }
  }
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    {
      String[] constantFields = {"2,3;0->1,4;4->0"};
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple5<Integer, Integer, Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 2);
      Assert.assertTrue(fs.contains(1));
      Assert.assertTrue(fs.contains(4));
 
      fs = sp.getForwardedField(2);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
 
      fs = sp.getForwardedField(3);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(3));
 
      fs = sp.getForwardedField(4);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(0));
    }
   
    // with spaces
    {
      String[] constantFields = {" 2  ,  3   ;  0 -> 1  , 4 ; 4 ->  0"};
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple5<Integer, Integer, Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 2);
      Assert.assertTrue(fs.contains(1));
      Assert.assertTrue(fs.contains(4));
 
      fs = sp.getForwardedField(2);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
 
      fs = sp.getForwardedField(3);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(3));
 
      fs = sp.getForwardedField(4);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(0));
    }
  }
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    {
      String[] constantFields = { "*" };
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple3<Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(1);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(1));
 
      fs = sp.getForwardedField(2);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
 
      fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(0));
    }
   
//    // with spaces
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    // no spaces
    {
      String[] constantFields = { "1->*" };
      TypeInformation<?> type = new TupleTypeInfo<Tuple3<Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(constantFields, null, null, type, type);
 
      FieldSet fs = sp.getForwardedField(1);
      Assert.assertTrue(fs.size() == 3);
      Assert.assertTrue(fs.contains(0));
      Assert.assertTrue(fs.contains(1));
      Assert.assertTrue(fs.contains(2));
      Assert.assertTrue(sp.getForwardedField(0) == null);
      Assert.assertTrue(sp.getForwardedField(2) == null);
    }
   
//    // with spaces
//    {
//      String[] constantFields = { "  1  -> * " };
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    {
      String[] constantFieldsExcept = { "1" };
 
      TypeInformation<?> type = new TupleTypeInfo<Tuple3<Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(null, constantFieldsExcept, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(0));
 
      Assert.assertNull(sp.getForwardedField(1));
     
      fs = sp.getForwardedField(2);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
    }
   
    // with spaces
    {
      String[] constantFieldsExcept = { " 1  "};
     
      TypeInformation<?> type = new TupleTypeInfo<Tuple3<Integer, Integer, Integer>>(BasicTypeInfo.INT_TYPE_INFO,
          BasicTypeInfo.INT_TYPE_INFO, BasicTypeInfo.INT_TYPE_INFO);
      SingleInputSemanticProperties sp = SemanticPropUtil.getSemanticPropsSingleFromString(null, constantFieldsExcept, null, type, type);
 
      FieldSet fs = sp.getForwardedField(0);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(0));
 
      Assert.assertNull(sp.getForwardedField(1));
     
      fs = sp.getForwardedField(2);
      Assert.assertTrue(fs.size() == 1);
      Assert.assertTrue(fs.contains(2));
    }
  }
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