org.hypergraphdb.query.impl

Class ResultMapQuery

java.lang.Object

org.hypergraphdb.HGQuery

org.hypergraphdb.query.impl.ResultMapQuery

All Implemented Interfaces:

Iterable<HGQuery>, HGGraphHolder

public class ResultMapQuery
extends HGQuery
implements Iterable<HGQuery>

A HGQuery that transforms the result of an underlying query by applying a provided mapping.

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

ctx, graph

Constructor Summary

Constructors

Constructor and Description
ResultMapQuery(HGQuery query, Mapping mapping) Create a query that transforms the output of a given query by the specified mapping.

Method Summary

Methods

Modifier and Type	Method and Description
HGSearchResult	execute() Execute the query and return the result set.
Mapping	getMapping()
Iterator<HGQuery>	iterator()
void	setMapping(Mapping mapping)

Methods inherited from class org.hypergraphdb.HGQuery

compile, findAll, findInSet, findOne, getHyperGraph, initialValue, initialVar, make, make, NOP, setHyperGraph, var, var

Methods inherited from class java.lang.Object

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

Constructor Detail

ResultMapQuery

public ResultMapQuery(HGQuery query,
              Mapping mapping)

Create a query that transforms the output of a given query by the specified mapping. You can pass null as the mapping for the identity mapping.

Method Detail

setMapping

public void setMapping(Mapping mapping)

getMapping

public Mapping getMapping()

execute

public HGSearchResult execute()

Description copied from class: HGQuery

Execute the query and return the result set. Note that queries are lazily executed so that results are actually obtained when one iterates (using the next and prev of the returned object).

Specified by:

execute in class HGQuery

iterator

public Iterator<HGQuery> iterator()

Specified by:

iterator in interface Iterable<HGQuery>