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The superclass changed from org.apache.hadoop.mapred.MapReduceBase
to org.apache.hadoop.mapreduce.Mapper
.
Removed Methods | |
void close() |
Will be called when all the tuples in the input are done. |
void configure(JobConf ) |
Configures the mapper with the map plan and the reproter thread |
Added Methods | |
void cleanup(Context ) |
Will be called when all the tuples in the input are done. |
void runPipeline(PhysicalOperator ) |
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void setup(Context ) |
Configures the mapper with the map plan and the reproter thread |
Changed Methods | ||
void collect(Context, |
Change in signature from (OutputCollector, Tuple ) to (Context, Tuple ).Change in exceptions: org.apache.pig.backend.executionengine.ExecException was removed.
java.lang.InterruptedException was added. |
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void map(Text, |
Change in signature from (Text, Tuple, OutputCollector, Reporter ) to (Text, Tuple, Context ).Change in exceptions thrown from java.io.IOException to (java.io.IOException, java.lang.InterruptedException ).Change of visibility from public to protected. |
The map function that attaches the inpTuple appropriately and executes the map plan if its not empty. |
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