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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 | |
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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 |
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DataInputBuffer getKey() throws java.io.IOException
java.io.IOException
DataInputBuffer getValue() throws java.io.IOException
java.io.IOException
boolean next() throws java.io.IOException
true
if there exists a key/value,
false
otherwise.
java.io.IOException
void close() throws java.io.IOException
java.io.IOException
Progress getProgress()
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