com.redhat.lightblue.assoc.qrew.rules

Class CombineORsToIN

java.lang.Object

com.redhat.lightblue.assoc.qrew.Rewriter

com.redhat.lightblue.assoc.qrew.rules.CombineORsToIN

public class CombineORsToIN
extends Rewriter

If

   q={$or:{...,{field:x,op:=,rvalue=v},..,{field:x,op:=,rvalue=w}...}}
 

this rewrites q as

   q={$or:{...,{$in:{field:x,values:[v,w]}},...}}
 

Field Summary

Fields

Modifier and Type	Field and Description
static Rewriter	INSTANCE

Constructor Summary

Constructors

Constructor and Description
CombineORsToIN()

Method Summary

Methods

Modifier and Type	Method and Description
QueryExpression	rewrite(QueryExpression q)

Methods inherited from class com.redhat.lightblue.assoc.qrew.Rewriter

dyncast

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final Rewriter INSTANCE

Constructor Detail

CombineORsToIN

public CombineORsToIN()

Method Detail

rewrite

public QueryExpression rewrite(QueryExpression q)

Specified by:

rewrite in class Rewriter