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体验新版 GitCode,发现更多精彩内容 >>
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38ce861f
编写于
5月 15, 2014
作者:
F
Fabian Hueske
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Updated JavaDocs of ReduceFunction
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stratosphere-java/src/main/java/eu/stratosphere/api/java/functions/ReduceFunction.java
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stratosphere-java/src/main/java/eu/stratosphere/api/java/functions/ReduceFunction.java
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@@ -33,11 +33,8 @@ public abstract class ReduceFunction<T> extends AbstractFunction implements Gene
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@@ -33,11 +33,8 @@ public abstract class ReduceFunction<T> extends AbstractFunction implements Gene
* The reduce function is consecutively applied to all values of a group until only a single value remains.
* The reduce function is consecutively applied to all values of a group until only a single value remains.
* In functional programming, this is known as a fold-style aggregation.
* In functional programming, this is known as a fold-style aggregation.
*
*
* Important: It is fine to return the second value object (value2) as result from this function.
* @param value1 The first value to combine.
* You must NOT return the first value object (value1) from this function.
* @param value2 The second value to combine.
*
* @param value1 The first value to combine. This object must NOT be returned as result.
* @param value2 The second value to combine. This object may be returned as result.
* @return The combined value of both input values.
* @return The combined value of both input values.
*
*
* @throws Exception
* @throws Exception
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