org.calrissian.accumulorecipes.commons.support.criteria

Class QueryOptimizer

java.lang.Object

org.calrissian.accumulorecipes.commons.support.criteria.QueryOptimizer

All Implemented Interfaces:

org.calrissian.mango.criteria.visitor.NodeVisitor

public class QueryOptimizer
extends Object
implements org.calrissian.mango.criteria.visitor.NodeVisitor

Visit criteria to validate and config to perform the criteria against the swift event service.

Field Summary

Fields

Modifier and Type	Field and Description
protected GlobalIndexVisitor	indexVisitor
protected Set<String>	keysInQuery
protected org.calrissian.mango.criteria.domain.Node	node
protected org.calrissian.mango.types.TypeRegistry<String>	typeRegistry

Constructor Summary

Constructors

Constructor and Description
QueryOptimizer(org.calrissian.mango.criteria.domain.Node query, GlobalIndexVisitor indexVisitor, org.calrissian.mango.types.TypeRegistry<String> typeRegistry)
QueryOptimizer(org.calrissian.mango.criteria.domain.Node query, org.calrissian.mango.types.TypeRegistry<String> typeRegistry)

Method Summary

Methods

Modifier and Type	Method and Description
void	begin(org.calrissian.mango.criteria.domain.ParentNode node)
void	end(org.calrissian.mango.criteria.domain.ParentNode parentNode)
Set<String>	getKeysInQuery()
org.calrissian.mango.criteria.domain.Node	getOptimizedQuery()
Set<String>	getShards()
protected void	init()
protected void	runOptimizations(org.calrissian.mango.criteria.domain.Node query)
void	visit(org.calrissian.mango.criteria.domain.Leaf node)

Methods inherited from class java.lang.Object

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

Field Detail

node

protected org.calrissian.mango.criteria.domain.Node node

keysInQuery

protected Set<String> keysInQuery

indexVisitor

protected GlobalIndexVisitor indexVisitor

typeRegistry

protected org.calrissian.mango.types.TypeRegistry<String> typeRegistry

Constructor Detail

QueryOptimizer

public QueryOptimizer(org.calrissian.mango.criteria.domain.Node query,
              GlobalIndexVisitor indexVisitor,
              org.calrissian.mango.types.TypeRegistry<String> typeRegistry)

QueryOptimizer

public QueryOptimizer(org.calrissian.mango.criteria.domain.Node query,
              org.calrissian.mango.types.TypeRegistry<String> typeRegistry)

Method Detail

init

protected void init()

runOptimizations

protected void runOptimizations(org.calrissian.mango.criteria.domain.Node query)

getOptimizedQuery

public org.calrissian.mango.criteria.domain.Node getOptimizedQuery()

getKeysInQuery

public Set<String> getKeysInQuery()

begin

public void begin(org.calrissian.mango.criteria.domain.ParentNode node)

Specified by:

begin in interface org.calrissian.mango.criteria.visitor.NodeVisitor

end

public void end(org.calrissian.mango.criteria.domain.ParentNode parentNode)

Specified by:

end in interface org.calrissian.mango.criteria.visitor.NodeVisitor

visit

public void visit(org.calrissian.mango.criteria.domain.Leaf node)

Specified by:

visit in interface org.calrissian.mango.criteria.visitor.NodeVisitor

getShards

public Set<String> getShards()