eworks.eRQL.model
Class Literal

java.lang.Object
  eworks.eRQL.model.ModelComponent
      eworks.eRQL.model.Value
          eworks.eRQL.model.Literal

public class Literal

extends Value

Represents literal values.

Version:

1.00 (2003-11-03)

Author:

Fabian Wleklinski (fabian@wleklinski.de)

Constructor Summary

Literal(String value)
Creates a new value with the given string.

Method Summary

Tuples	query(RqlEngine rqlEngine) Evaluates this literal.
Tuples	query(RqlEngine rqlEngine, boolean poiMode) Evaluates this literal.
String	toString() Returns the value's string representation.

Methods inherited from class eworks.eRQL.model.Value

compact

Methods inherited from class java.lang.Object

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

Constructor Detail

Literal

public Literal(String value)

Creates a new value with the given string.

Parameters:

value - The string literal to encapsulate.

Method Detail

toString

public String toString()

Returns the value's string representation.

Overrides:

toString in class ModelComponent

Returns:

the value's string representation.

query

public Tuples query(RqlEngine rqlEngine)
             throws RqlExecutingException

Evaluates this literal.

Specified by:

query in class Value

Parameters:

rqlEngine - The RqlEngine to execute.

Returns:

The subquery's result.

Throws:

RqlExecutingException - if something goes wrong.

query

public Tuples query(RqlEngine rqlEngine,
                    boolean poiMode)
             throws RqlExecutingException

Evaluates this literal.

Throws:

RqlExecutingException