it.unibz.inf.ontop.iq.node.normalization.impl

Class FilterNormalizerImpl

java.lang.Object

it.unibz.inf.ontop.iq.node.normalization.impl.FilterNormalizerImpl

All Implemented Interfaces:

FilterNormalizer

public class FilterNormalizerImpl
extends Object
implements FilterNormalizer

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	FilterNormalizerImpl.State Immutable Normalization operations are directly done on this structure.

Method Summary

Modifier and Type	Method and Description
IQTree	normalizeForOptimization(FilterNode initialFilterNode, IQTree initialChild, VariableGenerator variableGenerator, IQProperties currentIQProperties) TODO: Optimization: lift direct construction and filter nodes before normalizing them (so as to reduce the recursive pressure)

Methods inherited from class java.lang.Object

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

Method Detail

normalizeForOptimization

public IQTree normalizeForOptimization(FilterNode initialFilterNode,
                                       IQTree initialChild,
                                       VariableGenerator variableGenerator,
                                       IQProperties currentIQProperties)

TODO: Optimization: lift direct construction and filter nodes before normalizing them (so as to reduce the recursive pressure)

Specified by:

normalizeForOptimization in interface FilterNormalizer