org.hypergraphdb.query.impl
Class PredicateBasedFilter

java.lang.Object
  org.hypergraphdb.HGQuery
      org.hypergraphdb.query.impl.PredicateBasedFilter

All Implemented Interfaces:

HGGraphHolder

public final class PredicateBasedFilter
extends HGQuery

A HGQuery whose result is constructed by filtering the result set of another HGQuery according to a HGQueryCondition.

Author:

Borislav Iordanov

Nested Class Summary

Nested classes/interfaces inherited from class org.hypergraphdb.HGQuery

HGQuery.hg

Field Summary

Fields inherited from class org.hypergraphdb.HGQuery

NOP

Constructor Summary

PredicateBasedFilter(HyperGraph hg, HGQuery query, HGAtomPredicate predicate)
Construct a PredicateBasedFilter, filtering the result set of a given query based on a HGQueryCondition.

Method Summary

HGSearchResult

execute()

Methods inherited from class org.hypergraphdb.HGQuery

getHyperGraph, make, setHyperGraph

Methods inherited from class java.lang.Object

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

Constructor Detail

PredicateBasedFilter

public PredicateBasedFilter(HyperGraph hg,
                            HGQuery query,
                            HGAtomPredicate predicate)

Construct a PredicateBasedFilter, filtering the result set of a given query based on a HGQueryCondition.

Parameters:

query - The base query that is being filtered.

predicate - The filtering predicate.

Method Detail

execute

public HGSearchResult execute()

Specified by:

execute in class HGQuery