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Class org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase

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)  
void setup(Context) Configures the mapper with the map plan and the reproter thread
 

Changed Methods
void collect(Context, Tuple) 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.
 
void map(Text, Tuple, Context) 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.