Examples with ExecutionEnvironment org.apache.flink.api.java.ExecutionEnvironment used on opensource projects

Example 16 with ExecutionEnvironment

use of org.apache.flink.api.java.ExecutionEnvironment in project flink by apache.

the class GroupingTest method testGroupByKeySelector2.

@Test
@SuppressWarnings("serial")
public void testGroupByKeySelector2() {
    final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    this.customTypeData.add(new CustomType());
    try {
        DataSet<CustomType> customDs = env.fromCollection(customTypeData);
        // should work
        customDs.groupBy(new KeySelector<GroupingTest.CustomType, Tuple2<Integer, Long>>() {

            @Override
            public Tuple2<Integer, Long> getKey(CustomType value) {
                return new Tuple2<Integer, Long>(value.myInt, value.myLong);
            }
        });
    } catch (Exception e) {
        Assert.fail();
    }
}

Example 17 with ExecutionEnvironment

use of org.apache.flink.api.java.ExecutionEnvironment in project flink by apache.

the class GroupingTest method testGroupSortKeyFields1.

@Test
public void testGroupSortKeyFields1() {
    final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    DataSet<Tuple5<Integer, Long, String, Long, Integer>> tupleDs = env.fromCollection(emptyTupleData, tupleTypeInfo);
    // should work
    try {
        tupleDs.groupBy(0).sortGroup(0, Order.ASCENDING);
    } catch (Exception e) {
        Assert.fail();
    }
}

Example 18 with ExecutionEnvironment

use of org.apache.flink.api.java.ExecutionEnvironment in project flink by apache.

the class JoinOperatorTest method testJoinKeyFields6.

@Test(expected = InvalidProgramException.class)
public void testJoinKeyFields6() {
    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(4).equalTo(0);
}

Example 19 with ExecutionEnvironment

use of org.apache.flink.api.java.ExecutionEnvironment in project flink by apache.

the class JoinOperatorTest method testJoinKeyExpressions2Nested.

@Test(expected = InvalidProgramException.class)
public void testJoinKeyExpressions2Nested() {
    final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    DataSet<CustomType> ds1 = env.fromCollection(customTypeData);
    DataSet<CustomType> ds2 = env.fromCollection(customTypeData);
    // should not work, incompatible join key types
    ds1.join(ds2).where("nested.myInt").equalTo("nested.myString");
}

Example 20 with ExecutionEnvironment

use of org.apache.flink.api.java.ExecutionEnvironment in project flink by apache.

the class JoinOperatorTest method testJoinProjection12.

public void testJoinProjection12() {
    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
    ds1.join(ds2).where(0).equalTo(0).projectSecond(2).projectFirst(1);
}