eworks.eRQL.model
Class StatementQuery

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

public class StatementQuery

extends Query

A specialized query class for socalled "statement 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

StatementQuery()
Creates an empty statement query.

StatementQuery(Value value)
Creates an statement query and encapsulated the given value.

Method Summary

Value	compact() Compacts this query and returns the result.
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 java.lang.Object

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

Constructor Detail

StatementQuery

public StatementQuery()

Creates an empty statement query.

StatementQuery

public StatementQuery(Value value)

Creates an statement query and encapsulated the given value.

Method Detail

toString

public String toString()

Returns this query's string representation.

Overrides:

toString in class Query

Returns:

this query's string representation.

compact

public Value compact()

Compacts this query and returns the result.

Overrides:

compact in class Query

Returns:

the compacted query.

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.