Module org.refcodes.criteria

Package org.refcodes.criteria

Class ExpressionCriteriaFactory

java.lang.Object

org.refcodes.criteria.ExpressionCriteriaFactory

All Implemented Interfaces:

CriteriaFactory<String>

public class ExpressionCriteriaFactory
extends Object
implements CriteriaFactory<String>

Implements a CriteriaFactory which is capable of parsing an expression such as the following one: ( ( ( City = 'Berlin' ) OR ( City = 'Munich' ) ) AND ( Surname = 'Miller' ) ).

Constructor Summary

Constructors

Constructor	Description
ExpressionCriteriaFactory()

Method Summary

Modifier and Type	Method	Description
Criteria	fromQuery(String aQuery)	Parsed the given query and constructs a Criteria (tree).

Methods inherited from class java.lang.Object

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

Constructor Details

ExpressionCriteriaFactory

public ExpressionCriteriaFactory()

Method Details

fromQuery

public Criteria fromQuery(String aQuery)
                   throws ParseException

Parsed the given query and constructs a Criteria (tree). Whether a CriteriaNode or just a CriteriaLeaf is returned depends on the complexity of the query.

Specified by:

fromQuery in interface CriteriaFactory<String>

Parameters:

aQuery - The query to be parsed.

Returns:

A Criteria (tree) representing the query as an object oriented Criteria tree structure.

Throws:

ParseException - Thrown in case the query could not be parsed.