org.apache.pig.impl.logicalLayer
Class LOEval

java.lang.Object
  extended by org.apache.pig.impl.logicalLayer.LogicalOperator
      extended by org.apache.pig.impl.logicalLayer.LOEval
All Implemented Interfaces:
Serializable, ExecScopedLogicalOperator

public class LOEval
extends LogicalOperator

See Also:
Serialized Form

Field Summary
protected  EvalSpec spec
           
 
Fields inherited from class org.apache.pig.impl.logicalLayer.LogicalOperator
alias, AMENDABLE, FIXED, id, inputs, MONOTONE, opTable, requestedParallelism, schema, scope, UPDATABLE
 
Constructor Summary
LOEval(Map<OperatorKey,LogicalOperator> opTable, String scope, long id, OperatorKey input, EvalSpec specIn)
           
 
Method Summary
 String arguments()
           
 List<String> getFuncs()
           
 int getOutputType()
           
 EvalSpec getSpec()
           
 String name()
           
 TupleSchema outputSchema()
           
 void visit(LOVisitor v)
          Visit all of the logical operators in a tree, starting with this one.
 
Methods inherited from class org.apache.pig.impl.logicalLayer.LogicalOperator
getAlias, getId, getInputs, getOperatorKey, getOpTable, getRequestedParallelism, getScope, setAlias, setRequestedParallelism, setSchema, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

spec

protected EvalSpec spec
Constructor Detail

LOEval

public LOEval(Map<OperatorKey,LogicalOperator> opTable,
              String scope,
              long id,
              OperatorKey input,
              EvalSpec specIn)
Method Detail

name

public String name()
Overrides:
name in class LogicalOperator

arguments

public String arguments()
Overrides:
arguments in class LogicalOperator

outputSchema

public TupleSchema outputSchema()
Specified by:
outputSchema in class LogicalOperator

getOutputType

public int getOutputType()
Specified by:
getOutputType in class LogicalOperator

getFuncs

public List<String> getFuncs()
Overrides:
getFuncs in class LogicalOperator

getSpec

public EvalSpec getSpec()

visit

public void visit(LOVisitor v)
Description copied from class: LogicalOperator
Visit all of the logical operators in a tree, starting with this one.

Specified by:
visit in class LogicalOperator
Parameters:
v - LOVisitor to visit this logical plan with.


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