org.hibernate.spatial.criterion
Class SpatialFilter

java.lang.Object
  org.hibernate.spatial.criterion.SpatialFilter

All Implemented Interfaces:

java.io.Serializable, org.hibernate.criterion.Criterion

public class SpatialFilter
extends java.lang.Object
implements org.hibernate.criterion.Criterion

An implementation for a simple spatial filter. This Criterion restricts the resultset to those features whose bounding box overlaps the filter geometry. It is intended for quick, but inexact spatial queries.

See Also:

Serialized Form

Constructor Summary

SpatialFilter(java.lang.String propertyName, com.vividsolutions.jts.geom.Envelope envelope, int SRID)

SpatialFilter(java.lang.String propertyName, com.vividsolutions.jts.geom.Geometry filter)

Method Summary

org.hibernate.engine.spi.TypedValue[]	getTypedValues(org.hibernate.Criteria criteria, org.hibernate.criterion.CriteriaQuery criteriaQuery) Return typed values for all parameters in the rendered SQL fragment
java.lang.String	toSqlString(org.hibernate.Criteria criteria, org.hibernate.criterion.CriteriaQuery criteriaQuery) Render the SQL fragment

Methods inherited from class java.lang.Object

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

Constructor Detail

SpatialFilter

public SpatialFilter(java.lang.String propertyName,
                     com.vividsolutions.jts.geom.Geometry filter)

SpatialFilter

public SpatialFilter(java.lang.String propertyName,
                     com.vividsolutions.jts.geom.Envelope envelope,
                     int SRID)

Method Detail

getTypedValues

public org.hibernate.engine.spi.TypedValue[] getTypedValues(org.hibernate.Criteria criteria,
                                                            org.hibernate.criterion.CriteriaQuery criteriaQuery)
                                                     throws org.hibernate.HibernateException

Description copied from interface: org.hibernate.criterion.Criterion

Return typed values for all parameters in the rendered SQL fragment

Specified by:

getTypedValues in interface org.hibernate.criterion.Criterion

Parameters:

criteria - The local criteria

criteriaQuery - The overal criteria query

Returns:

The types values (for binding)

Throws:

org.hibernate.HibernateException - Problem determining types.

toSqlString

public java.lang.String toSqlString(org.hibernate.Criteria criteria,
                                    org.hibernate.criterion.CriteriaQuery criteriaQuery)
                             throws org.hibernate.HibernateException

Description copied from interface: org.hibernate.criterion.Criterion

Render the SQL fragment

Specified by:

toSqlString in interface org.hibernate.criterion.Criterion

Parameters:

criteria - The local criteria

criteriaQuery - The overal criteria query

Returns:

The generated SQL fragment

Throws:

org.hibernate.HibernateException - Problem during rendering.