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public interface RawKeyValueIterator
RawKeyValueIterator is an iterator used to iterate over
the raw keys and values during sort/merge of intermediate data.
| Method Summary | |
|---|---|
void |
close()
Closes the iterator so that the underlying streams can be closed. |
DataInputBuffer |
getKey()
Gets the current raw key. |
Progress |
getProgress()
Gets the Progress object; this has a float (0.0 - 1.0) indicating the bytes processed by the iterator so far |
DataInputBuffer |
getValue()
Gets the current raw value. |
boolean |
next()
Sets up the current key and value (for getKey and getValue). |
| Method Detail |
|---|
DataInputBuffer getKey()
throws IOException
IOException
DataInputBuffer getValue()
throws IOException
IOException
boolean next()
throws IOException
true if there exists a key/value,
false otherwise.
IOException
void close()
throws IOException
IOExceptionProgress getProgress()
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