org.apache.pig
Class Expression

java.lang.Object
  extended by org.apache.pig.Expression
Direct Known Subclasses:
Expression.BinaryExpression, Expression.Column, Expression.Const

@InterfaceAudience.Public
@InterfaceStability.Evolving
public abstract class Expression
extends Object

A class to communicate Filter expressions to LoadFuncs.

Since:
Pig 0.7

Nested Class Summary
static class Expression.BinaryExpression
           
static class Expression.Column
           
static class Expression.Const
           
static class Expression.OpType
           
 
Field Summary
protected  Expression.OpType opType
           
 
Constructor Summary
Expression()
           
 
Method Summary
 Expression.OpType getOpType()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

opType

protected Expression.OpType opType
Constructor Detail

Expression

public Expression()
Method Detail

getOpType

public Expression.OpType getOpType()
Returns:
the opType


Copyright © ${year} The Apache Software Foundation