org.hypergraphdb.query.impl
Class UnionQuery

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

All Implemented Interfaces:

HGGraphHolder

public class UnionQuery
extends HGQuery

An UnionQuery combines the results of two underlying queries and produces a result set containing elements that appear in either of the input result sets.

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

UnionQuery(HGQuery left, HGQuery right)
Construct a union of two queries.

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

UnionQuery

public UnionQuery(HGQuery left,
                  HGQuery right)

Construct a union of two queries.

Parameters:

left - One of the two queries. May not be null.

right - The other of the two queries. May not be null.

Method Detail

execute

public HGSearchResult execute()

Specified by:

execute in class HGQuery