org.cloudgraph.hbase.filter

Class PredicateUtil

java.lang.Object

org.cloudgraph.hbase.filter.PredicateUtil

public class PredicateUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
PredicateUtil()

Method Summary

Modifier and Type	Method and Description
void	collectProperties(org.plasma.query.model.Expression expression, List<org.plasma.query.model.Property> list)
org.plasma.query.model.Property[]	findProperties(org.plasma.query.model.Expression expression)
boolean	hasHeterogeneousChildProperties(org.plasma.query.model.Expression expression) Returns true if the given expression has any immediate child property-expressions where the properties are heterogeneous i.e.
boolean	hasHeterogeneousChildProperties(org.plasma.query.model.Where where)
boolean	hasHeterogeneousDescendantProperties(org.plasma.query.model.Expression expression)
boolean	hasHeterogeneousDescendantProperties(org.plasma.query.model.Where where)

Methods inherited from class java.lang.Object

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

Constructor Detail

PredicateUtil

public PredicateUtil()

Method Detail

hasHeterogeneousDescendantProperties

public boolean hasHeterogeneousDescendantProperties(org.plasma.query.model.Where where)

hasHeterogeneousChildProperties

public boolean hasHeterogeneousChildProperties(org.plasma.query.model.Where where)

hasHeterogeneousChildProperties

public boolean hasHeterogeneousChildProperties(org.plasma.query.model.Expression expression)

Returns true if the given expression has any immediate child property-expressions where the properties are heterogeneous i.e. more than one distinct property.

Parameters:

expression - the expression

Returns:

true if the given expression has any immediate child property-expressions where the properties are heterogeneous.

hasHeterogeneousDescendantProperties

public boolean hasHeterogeneousDescendantProperties(org.plasma.query.model.Expression expression)

findProperties

public org.plasma.query.model.Property[] findProperties(org.plasma.query.model.Expression expression)

collectProperties

public void collectProperties(org.plasma.query.model.Expression expression,
                              List<org.plasma.query.model.Property> list)