org.apache.flink.api.common.operators.base.MapPartitionOperatorBase Java Examples

The following examples show how to use org.apache.flink.api.common.operators.base.MapPartitionOperatorBase. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: MapPartitionOperator.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Override
protected MapPartitionOperatorBase<IN, OUT, MapPartitionFunction<IN, OUT>> translateToDataFlow(Operator<IN> input) {

	String name = getName() != null ? getName() : "MapPartition at " + defaultName;
	// create operator
	MapPartitionOperatorBase<IN, OUT, MapPartitionFunction<IN, OUT>> po = new MapPartitionOperatorBase<IN, OUT, MapPartitionFunction<IN, OUT>>(function, new UnaryOperatorInformation<IN, OUT>(getInputType(), getResultType()), name);
	// set input
	po.setInput(input);
	// set parallelism
	if (this.getParallelism() > 0) {
		// use specified parallelism
		po.setParallelism(this.getParallelism());
	} else {
		// if no parallelism has been specified, use parallelism of input operator to enable chaining
		po.setParallelism(input.getParallelism());
	}

	return po;
}
Example #2
Source File: MapPartitionOperator.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
protected MapPartitionOperatorBase<IN, OUT, MapPartitionFunction<IN, OUT>> translateToDataFlow(Operator<IN> input) {

	String name = getName() != null ? getName() : "MapPartition at " + defaultName;
	// create operator
	MapPartitionOperatorBase<IN, OUT, MapPartitionFunction<IN, OUT>> po = new MapPartitionOperatorBase<IN, OUT, MapPartitionFunction<IN, OUT>>(function, new UnaryOperatorInformation<IN, OUT>(getInputType(), getResultType()), name);
	// set input
	po.setInput(input);
	// set parallelism
	if (this.getParallelism() > 0) {
		// use specified parallelism
		po.setParallelism(this.getParallelism());
	} else {
		// if no parallelism has been specified, use parallelism of input operator to enable chaining
		po.setParallelism(input.getParallelism());
	}

	return po;
}
Example #3
Source File: MapPartitionOperator.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
protected MapPartitionOperatorBase<IN, OUT, MapPartitionFunction<IN, OUT>> translateToDataFlow(Operator<IN> input) {

	String name = getName() != null ? getName() : "MapPartition at " + defaultName;
	// create operator
	MapPartitionOperatorBase<IN, OUT, MapPartitionFunction<IN, OUT>> po = new MapPartitionOperatorBase<IN, OUT, MapPartitionFunction<IN, OUT>>(function, new UnaryOperatorInformation<IN, OUT>(getInputType(), getResultType()), name);
	// set input
	po.setInput(input);
	// set parallelism
	if (this.getParallelism() > 0) {
		// use specified parallelism
		po.setParallelism(this.getParallelism());
	} else {
		// if no parallelism has been specified, use parallelism of input operator to enable chaining
		po.setParallelism(input.getParallelism());
	}

	return po;
}
Example #4
Source File: MapPartitionNodeTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Test
public void testGetSemanticProperties() {

	SingleInputSemanticProperties origProps = new SingleInputSemanticProperties();
	origProps.addForwardedField(0, 1);
	origProps.addForwardedField(2, 2);
	origProps.addReadFields(new FieldSet(0, 2, 4, 7));

	MapPartitionOperatorBase<?,?,?> op = mock(MapPartitionOperatorBase.class);
	when(op.getSemanticProperties()).thenReturn(origProps);
	when(op.getKeyColumns(0)).thenReturn(new int[]{});

	MapPartitionNode node = new MapPartitionNode(op);

	SemanticProperties filteredProps = node.getSemanticPropertiesForLocalPropertyFiltering();

	assertTrue(filteredProps.getForwardingTargetFields(0, 0).size() == 0);
	assertTrue(filteredProps.getForwardingTargetFields(0, 2).size() == 0);
	assertTrue(filteredProps.getForwardingSourceField(0, 1) < 0);
	assertTrue(filteredProps.getForwardingSourceField(0, 2) < 0);
	assertTrue(filteredProps.getReadFields(0).size() == 4);
	assertTrue(filteredProps.getReadFields(0).contains(0));
	assertTrue(filteredProps.getReadFields(0).contains(2));
	assertTrue(filteredProps.getReadFields(0).contains(4));
	assertTrue(filteredProps.getReadFields(0).contains(7));

}
Example #5
Source File: MapPartitionNodeTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Test
public void testGetSemanticProperties() {

	SingleInputSemanticProperties origProps = new SingleInputSemanticProperties();
	origProps.addForwardedField(0, 1);
	origProps.addForwardedField(2, 2);
	origProps.addReadFields(new FieldSet(0, 2, 4, 7));

	MapPartitionOperatorBase<?,?,?> op = mock(MapPartitionOperatorBase.class);
	when(op.getSemanticProperties()).thenReturn(origProps);
	when(op.getKeyColumns(0)).thenReturn(new int[]{});

	MapPartitionNode node = new MapPartitionNode(op);

	SemanticProperties filteredProps = node.getSemanticPropertiesForLocalPropertyFiltering();

	assertTrue(filteredProps.getForwardingTargetFields(0, 0).size() == 0);
	assertTrue(filteredProps.getForwardingTargetFields(0, 2).size() == 0);
	assertTrue(filteredProps.getForwardingSourceField(0, 1) < 0);
	assertTrue(filteredProps.getForwardingSourceField(0, 2) < 0);
	assertTrue(filteredProps.getReadFields(0).size() == 4);
	assertTrue(filteredProps.getReadFields(0).contains(0));
	assertTrue(filteredProps.getReadFields(0).contains(2));
	assertTrue(filteredProps.getReadFields(0).contains(4));
	assertTrue(filteredProps.getReadFields(0).contains(7));

}
Example #6
Source File: MapPartitionNodeTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Test
public void testGetSemanticProperties() {

	SingleInputSemanticProperties origProps = new SingleInputSemanticProperties();
	origProps.addForwardedField(0, 1);
	origProps.addForwardedField(2, 2);
	origProps.addReadFields(new FieldSet(0, 2, 4, 7));

	MapPartitionOperatorBase<?,?,?> op = mock(MapPartitionOperatorBase.class);
	when(op.getSemanticProperties()).thenReturn(origProps);
	when(op.getKeyColumns(0)).thenReturn(new int[]{});

	MapPartitionNode node = new MapPartitionNode(op);

	SemanticProperties filteredProps = node.getSemanticPropertiesForLocalPropertyFiltering();

	assertTrue(filteredProps.getForwardingTargetFields(0, 0).size() == 0);
	assertTrue(filteredProps.getForwardingTargetFields(0, 2).size() == 0);
	assertTrue(filteredProps.getForwardingSourceField(0, 1) < 0);
	assertTrue(filteredProps.getForwardingSourceField(0, 2) < 0);
	assertTrue(filteredProps.getReadFields(0).size() == 4);
	assertTrue(filteredProps.getReadFields(0).contains(0));
	assertTrue(filteredProps.getReadFields(0).contains(2));
	assertTrue(filteredProps.getReadFields(0).contains(4));
	assertTrue(filteredProps.getReadFields(0).contains(7));

}