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courses:mapreduce-tutorial:step-27 [2012/01/27 20:11] straka vytvořeno |
courses:mapreduce-tutorial:step-27 [2012/01/28 18:23] straka |
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- | ====== MapReduce Tutorial : ====== | + | ====== MapReduce Tutorial : Custom data types ====== |
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+ | An important feature of the Java API is that custom data and format types can be provided. In this step we implement two custom data types. | ||
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+ | ===== BERIntWritable ===== | ||
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+ | We want to implement BERIntWritable, | ||
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+ | The new class must implement the [[http:// | ||
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+ | <code java> | ||
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+ | </ | ||
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+ | ===== PairWritable< |