org.sensorhub.api.persistence

Class FeatureFilter

java.lang.Object

org.sensorhub.api.persistence.FeatureFilter

All Implemented Interfaces:

IFeatureFilter

Direct Known Subclasses:

FoiFilter

public class FeatureFilter
extends java.lang.Object
implements IFeatureFilter

Default implementation of IFeatureFilter returning null on all filter predicates. It is meant be used as a base to implement your own filter and unlike IFeatureFilter doesn't require implementing all methods.

Since:

May 9, 2015

Constructor Summary

Constructors

Constructor and Description
FeatureFilter()

Method Summary

Modifier and Type	Method and Description
java.util.Collection<java.lang.String>	getFeatureIDs() Gets filter criteria for selecting features by ID. Only features identified with one of the listed IDs will be selected. If the list is null or empty, no filtering on ID will be applied.
com.vividsolutions.jts.geom.Polygon	getRoi() Gets filter criteria for selecting features based on their geometry. Only features whose geometry intersects the polygon will be selected. If the polygon is null, no filtering on location will be applied. The polygon must be expressed in the same coordinate reference system as the one used for storage.

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureFilter

public FeatureFilter()

Method Detail

getFeatureIDs

public java.util.Collection<java.lang.String> getFeatureIDs()

Description copied from interface: IFeatureFilter

Gets filter criteria for selecting features by ID.
Only features identified with one of the listed IDs will be selected.
If the list is null or empty, no filtering on ID will be applied.

Specified by:

getFeatureIDs in interface IFeatureFilter

Returns:

List of desired feature IDs

getRoi

public com.vividsolutions.jts.geom.Polygon getRoi()

Description copied from interface: IFeatureFilter

Gets filter criteria for selecting features based on their geometry.
Only features whose geometry intersects the polygon will be selected.
If the polygon is null, no filtering on location will be applied.
The polygon must be expressed in the same coordinate reference system as the one used for storage.

Specified by:

getRoi in interface IFeatureFilter

Returns:

Polygonal Region of Interest