org.apache.hadoop.zebra.pig.comparator

Class TupleExpr

java.lang.Object

org.apache.hadoop.zebra.pig.comparator.ComparatorExpr

org.apache.hadoop.zebra.pig.comparator.TupleExpr

public class TupleExpr
extends ComparatorExpr

Field Summary

Fields

Modifier and Type	Field and Description
protected List<ComparatorExpr>	exprs

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TupleExpr(List<ComparatorExpr> exprs)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	appendLeafGenerator(List<LeafGenerator> list, int el, int cel, boolean c, boolean explicitBound)
List<ComparatorExpr>	childrenExpr() Get the children expressions.
static ComparatorExpr	makeTupleComparator(Collection<? extends ComparatorExpr> exprs) Make a tuple expression
static ComparatorExpr	makeTupleExpr(ComparatorExpr... exprs) Make a tuple expression
protected void	toString(PrintStream out)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

exprs

protected final List<ComparatorExpr> exprs

Constructor Detail

TupleExpr

protected TupleExpr(List<ComparatorExpr> exprs)

Method Detail

appendLeafGenerator

protected void appendLeafGenerator(List<LeafGenerator> list,
                       int el,
                       int cel,
                       boolean c,
                       boolean explicitBound)

Specified by:

appendLeafGenerator in class ComparatorExpr

childrenExpr

public List<ComparatorExpr> childrenExpr()

Get the children expressions.

Returns:

The children expressions.

toString

protected void toString(PrintStream out)

Specified by:

toString in class ComparatorExpr

makeTupleExpr

public static ComparatorExpr makeTupleExpr(ComparatorExpr... exprs)

Make a tuple expression

Parameters:

exprs - children expressions

Returns:

a comparator expression

makeTupleComparator

public static ComparatorExpr makeTupleComparator(Collection<? extends ComparatorExpr> exprs)

Make a tuple expression

Parameters:

exprs - children expressions

Returns:

a comparator expression