org.apache.pig.backend.local.executionengine
Class POLoad

java.lang.Object
  extended by org.apache.pig.impl.physicalLayer.PhysicalOperator
      extended by org.apache.pig.backend.local.executionengine.POLoad
All Implemented Interfaces:
Serializable, ExecPhysicalOperator

public class POLoad
extends PhysicalOperator

See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.pig.impl.physicalLayer.PhysicalOperator
id, inputs, lineageTracer, opTable, outputType, scope
 
Constructor Summary
POLoad(String scope, long id, Map<OperatorKey,ExecPhysicalOperator> opTable, PigContext pigContext, FileSpec fileSpec, int outputType)
           
 
Method Summary
 void close()
           
 Tuple getNext()
           
 boolean open()
           
 void visit(POVisitor v)
           
 
Methods inherited from class org.apache.pig.impl.physicalLayer.PhysicalOperator
getId, getOperatorKey, getOutputType, getScope, setLineageTracer
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

POLoad

public POLoad(String scope,
              long id,
              Map<OperatorKey,ExecPhysicalOperator> opTable,
              PigContext pigContext,
              FileSpec fileSpec,
              int outputType)
Method Detail

open

public boolean open()
             throws IOException
Overrides:
open in class PhysicalOperator
Throws:
IOException

close

public void close()
           throws IOException
Overrides:
close in class PhysicalOperator
Throws:
IOException

getNext

public Tuple getNext()
              throws IOException
Specified by:
getNext in class PhysicalOperator
Throws:
IOException

visit

public void visit(POVisitor v)
Specified by:
visit in class PhysicalOperator


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