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Java PlanBothUnwrappingCoGroupOperator类代码示例

本文整理汇总了Java中org.apache.flink.api.java.operators.translation.PlanBothUnwrappingCoGroupOperator的典型用法代码示例。如果您正苦于以下问题:Java PlanBothUnwrappingCoGroupOperator类的具体用法?Java PlanBothUnwrappingCoGroupOperator怎么用?Java PlanBothUnwrappingCoGroupOperator使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。


PlanBothUnwrappingCoGroupOperator类属于org.apache.flink.api.java.operators.translation包,在下文中一共展示了PlanBothUnwrappingCoGroupOperator类的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: translateSelectorFunctionCoGroup

import org.apache.flink.api.java.operators.translation.PlanBothUnwrappingCoGroupOperator; //导入依赖的package包/类
private static <I1, I2, K, OUT> PlanBothUnwrappingCoGroupOperator<I1, I2, OUT, K> translateSelectorFunctionCoGroup(
		SelectorFunctionKeys<I1, ?> rawKeys1, SelectorFunctionKeys<I2, ?> rawKeys2,
		CoGroupFunction<I1, I2, OUT> function,
		TypeInformation<OUT> outputType, String name,
		Operator<I1> input1, Operator<I2> input2) {
	@SuppressWarnings("unchecked")
	final SelectorFunctionKeys<I1, K> keys1 = (SelectorFunctionKeys<I1, K>) rawKeys1;
	@SuppressWarnings("unchecked")
	final SelectorFunctionKeys<I2, K> keys2 = (SelectorFunctionKeys<I2, K>) rawKeys2;

	final TypeInformation<Tuple2<K, I1>> typeInfoWithKey1 = KeyFunctions.createTypeWithKey(keys1);
	final TypeInformation<Tuple2<K, I2>> typeInfoWithKey2 = KeyFunctions.createTypeWithKey(keys2);

	final Operator<Tuple2<K, I1>> keyedInput1 = KeyFunctions.appendKeyExtractor(input1, keys1);
	final Operator<Tuple2<K, I2>> keyedInput2 = KeyFunctions.appendKeyExtractor(input2, keys2);

	final PlanBothUnwrappingCoGroupOperator<I1, I2, OUT, K> cogroup =
		new PlanBothUnwrappingCoGroupOperator<>(function, keys1, keys2, name, outputType, typeInfoWithKey1, typeInfoWithKey2);

	cogroup.setFirstInput(keyedInput1);
	cogroup.setSecondInput(keyedInput2);

	return cogroup;
}
 
开发者ID:axbaretto,项目名称:flink,代码行数:25,代码来源:CoGroupOperator.java

示例2: translateSelectorFunctionCoGroup

import org.apache.flink.api.java.operators.translation.PlanBothUnwrappingCoGroupOperator; //导入依赖的package包/类
private static <I1, I2, K, OUT> PlanBothUnwrappingCoGroupOperator<I1, I2, OUT, K> translateSelectorFunctionCoGroup(
		Keys.SelectorFunctionKeys<I1, ?> rawKeys1, Keys.SelectorFunctionKeys<I2, ?> rawKeys2,
		CoGroupFunction<I1, I2, OUT> function,
		TypeInformation<I1> inputType1, TypeInformation<I2> inputType2, TypeInformation<OUT> outputType, String name,
		Operator<I1> input1, Operator<I2> input2)
{
	@SuppressWarnings("unchecked")
	final Keys.SelectorFunctionKeys<I1, K> keys1 = (Keys.SelectorFunctionKeys<I1, K>) rawKeys1;
	@SuppressWarnings("unchecked")
	final Keys.SelectorFunctionKeys<I2, K> keys2 = (Keys.SelectorFunctionKeys<I2, K>) rawKeys2;

	final TypeInformation<Tuple2<K, I1>> typeInfoWithKey1 = new TupleTypeInfo<Tuple2<K, I1>>(keys1.getKeyType(), inputType1);
	final TypeInformation<Tuple2<K, I2>> typeInfoWithKey2 = new TupleTypeInfo<Tuple2<K, I2>>(keys2.getKeyType(), inputType2);

	final KeyExtractingMapper<I1, K> extractor1 = new KeyExtractingMapper<I1, K>(keys1.getKeyExtractor());
	final KeyExtractingMapper<I2, K> extractor2 = new KeyExtractingMapper<I2, K>(keys2.getKeyExtractor());
	
	final MapOperatorBase<I1, Tuple2<K, I1>, MapFunction<I1, Tuple2<K, I1>>> keyMapper1 =
			new MapOperatorBase<I1, Tuple2<K, I1>, MapFunction<I1, Tuple2<K, I1>>>(extractor1, new UnaryOperatorInformation<I1, Tuple2<K, I1>>(inputType1, typeInfoWithKey1), "Key Extractor 1");
	final MapOperatorBase<I2, Tuple2<K, I2>, MapFunction<I2, Tuple2<K, I2>>> keyMapper2 =
			new MapOperatorBase<I2, Tuple2<K, I2>, MapFunction<I2, Tuple2<K, I2>>>(extractor2, new UnaryOperatorInformation<I2, Tuple2<K, I2>>(inputType2, typeInfoWithKey2), "Key Extractor 2");
	final PlanBothUnwrappingCoGroupOperator<I1, I2, OUT, K> cogroup = new PlanBothUnwrappingCoGroupOperator<I1, I2, OUT, K>(function, keys1, keys2, name, outputType, typeInfoWithKey1, typeInfoWithKey2);

	cogroup.setFirstInput(keyMapper1);
	cogroup.setSecondInput(keyMapper2);

	keyMapper1.setInput(input1);
	keyMapper2.setInput(input2);
	// set dop
	keyMapper1.setDegreeOfParallelism(input1.getDegreeOfParallelism());
	keyMapper2.setDegreeOfParallelism(input2.getDegreeOfParallelism());

	return cogroup;
}
 
开发者ID:citlab,项目名称:vs.msc.ws14,代码行数:35,代码来源:CoGroupOperator.java


注:本文中的org.apache.flink.api.java.operators.translation.PlanBothUnwrappingCoGroupOperator类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。