Java Code Examples for org.apache.flink.api.common.functions.CrossFunction#cross()

The following examples show how to use org.apache.flink.api.common.functions.CrossFunction#cross() . 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: CrossOperatorBase.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Override
protected List<OUT> executeOnCollections(List<IN1> inputData1, List<IN2> inputData2, RuntimeContext ctx, ExecutionConfig executionConfig) throws Exception {
	CrossFunction<IN1, IN2, OUT> function = this.userFunction.getUserCodeObject();
	
	FunctionUtils.setFunctionRuntimeContext(function, ctx);
	FunctionUtils.openFunction(function, this.parameters);

	ArrayList<OUT> result = new ArrayList<OUT>(inputData1.size() * inputData2.size());
	
	TypeSerializer<IN1> inSerializer1 = getOperatorInfo().getFirstInputType().createSerializer(executionConfig);
	TypeSerializer<IN2> inSerializer2 = getOperatorInfo().getSecondInputType().createSerializer(executionConfig);
	TypeSerializer<OUT> outSerializer = getOperatorInfo().getOutputType().createSerializer(executionConfig);

	for (IN1 element1 : inputData1) {
		for (IN2 element2 : inputData2) {
			IN1 copy1 = inSerializer1.copy(element1);
			IN2 copy2 = inSerializer2.copy(element2);
			OUT o = function.cross(copy1, copy2);
			result.add(outSerializer.copy(o));
		}
	}

	FunctionUtils.closeFunction(function);
	return result;
}
Example 2
Source File: CrossOperatorBase.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
protected List<OUT> executeOnCollections(List<IN1> inputData1, List<IN2> inputData2, RuntimeContext ctx, ExecutionConfig executionConfig) throws Exception {
	CrossFunction<IN1, IN2, OUT> function = this.userFunction.getUserCodeObject();
	
	FunctionUtils.setFunctionRuntimeContext(function, ctx);
	FunctionUtils.openFunction(function, this.parameters);

	ArrayList<OUT> result = new ArrayList<OUT>(inputData1.size() * inputData2.size());
	
	TypeSerializer<IN1> inSerializer1 = getOperatorInfo().getFirstInputType().createSerializer(executionConfig);
	TypeSerializer<IN2> inSerializer2 = getOperatorInfo().getSecondInputType().createSerializer(executionConfig);
	TypeSerializer<OUT> outSerializer = getOperatorInfo().getOutputType().createSerializer(executionConfig);

	for (IN1 element1 : inputData1) {
		for (IN2 element2 : inputData2) {
			IN1 copy1 = inSerializer1.copy(element1);
			IN2 copy2 = inSerializer2.copy(element2);
			OUT o = function.cross(copy1, copy2);
			result.add(outSerializer.copy(o));
		}
	}

	FunctionUtils.closeFunction(function);
	return result;
}
Example 3
Source File: CrossOperatorBase.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
protected List<OUT> executeOnCollections(List<IN1> inputData1, List<IN2> inputData2, RuntimeContext ctx, ExecutionConfig executionConfig) throws Exception {
	CrossFunction<IN1, IN2, OUT> function = this.userFunction.getUserCodeObject();
	
	FunctionUtils.setFunctionRuntimeContext(function, ctx);
	FunctionUtils.openFunction(function, this.parameters);

	ArrayList<OUT> result = new ArrayList<OUT>(inputData1.size() * inputData2.size());
	
	TypeSerializer<IN1> inSerializer1 = getOperatorInfo().getFirstInputType().createSerializer(executionConfig);
	TypeSerializer<IN2> inSerializer2 = getOperatorInfo().getSecondInputType().createSerializer(executionConfig);
	TypeSerializer<OUT> outSerializer = getOperatorInfo().getOutputType().createSerializer(executionConfig);

	for (IN1 element1 : inputData1) {
		for (IN2 element2 : inputData2) {
			IN1 copy1 = inSerializer1.copy(element1);
			IN2 copy2 = inSerializer2.copy(element2);
			OUT o = function.cross(copy1, copy2);
			result.add(outSerializer.copy(o));
		}
	}

	FunctionUtils.closeFunction(function);
	return result;
}