eworks.eRQL.model
Class PoiQuery

java.lang.Object
  eworks.eRQL.model.ModelComponent
      eworks.eRQL.model.Value
          eworks.eRQL.model.Query
              eworks.eRQL.model.PoiQuery

public class PoiQuery

extends Query

A specialized query class for socalled "POI" ("Point of interest") queries.

Version:

1.00 (2003-11-03)

Author:

Fabian Wleklinski (fabian@wleklinski.de)

Field Summary

Fields inherited from class eworks.eRQL.model.Query

value

Constructor Summary

PoiQuery()
Creates an empty POI query.

PoiQuery(Value value)
Creates an POI query and encapsulated the given value.

Method Summary

Tuples	query(RqlEngine rqlEngine) Evaluates this query and returns the result using the given rqlEngine.
String	toString() Returns this query's string representation.

Methods inherited from class eworks.eRQL.model.Query

compact

Methods inherited from class java.lang.Object

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

Constructor Detail

PoiQuery

public PoiQuery()

Creates an empty POI query.

PoiQuery

public PoiQuery(Value value)

Creates an POI query and encapsulated the given value.

Method Detail

query

public Tuples query(RqlEngine rqlEngine)
             throws RqlExecutingException

Evaluates this query and returns the result using the given rqlEngine.

Overrides:

query in class Query

Returns:

the query's result.

Throws:

RqlExecutingException - if something goes wrong.

toString

public String toString()

Returns this query's string representation.

Overrides:

toString in class Query

Returns:

this query's string representation.