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Update TaskInputOutputContext.java javadoc #4

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Update TaskInputOutputContext.java javadoc #4

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6 changes: 4 additions & 2 deletions ...preduce-client-core/src/main/java/org/apache/hadoop/mapreduce/TaskInputOutputContext.java
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Original file line number Diff line number Diff line change
Expand Up @@ -37,8 +37,8 @@ public interface TaskInputOutputContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
extends TaskAttemptContext {

/**
* Advance to the next key, value pair, returning null if at end.
* @return the key object that was read into, or null if no more
* Advance to the next key, value pair, returning false if at end.
* @return true if the key object was read, or false if no more
*/
public boolean nextKeyValue() throws IOException, InterruptedException;

Expand All @@ -60,6 +60,8 @@ public interface TaskInputOutputContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

/**
* Generate an output key/value pair.
* @param key the key to write
* @param value the value to write
*/
public void write(KEYOUT key, VALUEOUT value)
throws IOException, InterruptedException;
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