Module org.opengis.geoapi

Package org.opengis.metadata.extent

Interface Extent

@Classifier(DATATYPE)
@UML(identifier="EX_Extent",
     specification=ISO_19115)
public interface Extent

Information about spatial, vertical, and temporal extent of the resource. This interface has four optional attributes: geographic elements, vertical elements, temporal elements and an element called description. At least one of the four shall be used.

Since:

1.0

Method Summary

Modifier and Type	Method	Description
default InternationalString	getDescription()	The spatial and temporal extent for the referring object.
default Collection<? extends GeographicExtent>	getGeographicElements()	Provides geographic component of the extent of the referring object.
default Collection<? extends TemporalExtent>	getTemporalElements()	Provides temporal component of the extent of the referring object.
default Collection<? extends VerticalExtent>	getVerticalElements()	Provides vertical component of the extent of the referring object.

Method Details

getDescription

@UML(identifier="description",
     obligation=CONDITIONAL,
     specification=ISO_19115)
default InternationalString getDescription()

The spatial and temporal extent for the referring object.

Returns:

the spatial and temporal extent, or null in none.

Condition:

Mandatory if geographic element, vertical element and temporal element are not provided.

getGeographicElements

@Profile(level=CORE)
@UML(identifier="geographicElement",
     obligation=CONDITIONAL,
     specification=ISO_19115)
default Collection<? extends GeographicExtent> getGeographicElements()

Provides geographic component of the extent of the referring object.

Returns:

the geographic extent, or an empty list if none.

Condition:

Mandatory if description, vertical element and temporal element are not provided.

getVerticalElements

@Profile(level=CORE)
@UML(identifier="verticalElement",
     obligation=CONDITIONAL,
     specification=ISO_19115)
default Collection<? extends VerticalExtent> getVerticalElements()

Provides vertical component of the extent of the referring object.

Returns:

the vertical extent, or an empty list if none.

Condition:

Mandatory if description, geographic element and temporal element are not provided.

getTemporalElements

@Profile(level=CORE)
@UML(identifier="temporalElement",
     obligation=CONDITIONAL,
     specification=ISO_19115)
default Collection<? extends TemporalExtent> getTemporalElements()

Provides temporal component of the extent of the referring object.

Returns:

the temporal extent, or an empty list if none.

Condition:

Mandatory if description, geographic element and vertical element are not provided.