/** * Method for passing user defined operators along with the type * information that will transform the DataStream. * * @param operatorName * name of the operator, for logging purposes * @param outTypeInfo * the output type of the operator * @param operator * the object containing the transformation logic * @param <R> * type of the return stream * @return the data stream constructed */ @PublicEvolving public <R> SingleOutputStreamOperator<R> transform(String operatorName, TypeInformation<R> outTypeInfo, OneInputStreamOperator<T, R> operator) { // read the output type of the input Transform to coax out errors about MissingTypeInfo transformation.getOutputType(); OneInputTransformation<T, R> resultTransform = new OneInputTransformation<>( this.transformation, operatorName, operator, outTypeInfo, environment.getParallelism()); @SuppressWarnings({ "unchecked", "rawtypes" }) SingleOutputStreamOperator<R> returnStream = new SingleOutputStreamOperator(environment, resultTransform); getExecutionEnvironment().addOperator(resultTransform); return returnStream; }
/** * Method for passing user defined operators along with the type * information that will transform the DataStream. * * @param operatorName * name of the operator, for logging purposes * @param outTypeInfo * the output type of the operator * @param operator * the object containing the transformation logic * @param <R> * type of the return stream * @return the data stream constructed */ @PublicEvolving public <R> SingleOutputStreamOperator<R> transform(String operatorName, TypeInformation<R> outTypeInfo, OneInputStreamOperator<T, R> operator) { // read the output type of the input Transform to coax out errors about MissingTypeInfo transformation.getOutputType(); OneInputTransformation<T, R> resultTransform = new OneInputTransformation<>( this.transformation, operatorName, operator, outTypeInfo, environment.getParallelism()); @SuppressWarnings({ "unchecked", "rawtypes" }) SingleOutputStreamOperator<R> returnStream = new SingleOutputStreamOperator(environment, resultTransform); getExecutionEnvironment().addOperator(resultTransform); return returnStream; }
/** * Method for passing user defined operators along with the type * information that will transform the DataStream. * * @param operatorName * name of the operator, for logging purposes * @param outTypeInfo * the output type of the operator * @param operator * the object containing the transformation logic * @param <R> * type of the return stream * @return the data stream constructed */ @PublicEvolving public <R> SingleOutputStreamOperator<R> transform(String operatorName, TypeInformation<R> outTypeInfo, OneInputStreamOperator<T, R> operator) { // read the output type of the input Transform to coax out errors about MissingTypeInfo transformation.getOutputType(); OneInputTransformation<T, R> resultTransform = new OneInputTransformation<>( this.transformation, operatorName, operator, outTypeInfo, environment.getParallelism()); @SuppressWarnings({ "unchecked", "rawtypes" }) SingleOutputStreamOperator<R> returnStream = new SingleOutputStreamOperator(environment, resultTransform); getExecutionEnvironment().addOperator(resultTransform); return returnStream; }
/** * Method for passing user defined operators along with the type * information that will transform the DataStream. * * @param operatorName * name of the operator, for logging purposes * @param outTypeInfo * the output type of the operator * @param operator * the object containing the transformation logic * @param <R> * type of the return stream * @return the data stream constructed */ @PublicEvolving public <R> SingleOutputStreamOperator<R> transform(String operatorName, TypeInformation<R> outTypeInfo, OneInputStreamOperator<T, R> operator) { // read the output type of the input Transform to coax out errors about MissingTypeInfo transformation.getOutputType(); OneInputTransformation<T, R> resultTransform = new OneInputTransformation<>( this.transformation, operatorName, operator, outTypeInfo, environment.getParallelism()); @SuppressWarnings({ "unchecked", "rawtypes" }) SingleOutputStreamOperator<R> returnStream = new SingleOutputStreamOperator(environment, resultTransform); getExecutionEnvironment().addOperator(resultTransform); return returnStream; }