public ValuesIterator (RawKeyValueIterator in,
RawComparator<KEY> comparator,
Class<KEY> keyClass,
Class<VALUE> valClass, Configuration conf,
Progressable reporter)
throws IOException {
this.in = in;
this.comparator = comparator;
this.reporter = reporter;
SerializationFactory serializationFactory = new SerializationFactory(conf);
this.keyDeserializer = serializationFactory.getDeserializer(keyClass);
this.keyDeserializer.open(keyIn);
this.valDeserializer = serializationFactory.getDeserializer(valClass);
this.valDeserializer.open(this.valueIn);
readNextKey();
key = nextKey;
nextKey = null; // force new instance creation
hasNext = more;
}
Task.java 文件源码
java
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项目:hadoop-2.6.0-cdh5.4.3
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