/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2011, Open Source Geospatial Foundation (OSGeo)
* (C) 2005, Open Geospatial Consortium Inc.
*
* All Rights Reserved. http://www.opengis.org/legal/
*/
package org.opengis.temporal;
import org.opengis.metadata.Identifier;
import org.opengis.metadata.extent.Extent;
import org.opengis.referencing.ReferenceIdentifier;
import org.opengis.referencing.ReferenceSystem;
import org.opengis.annotation.UML;
import static org.opengis.annotation.Obligation.*;
import static org.opengis.annotation.Specification.*;
/**
* Provides information about a temporal reference system.
* <p>
* This interface is similar to ReferenceSytem and may be deprecated
* in the future. It is made available currently in order to *exactly*
* match this ISO 19108 specification with a "domain of validity"
* association to an Extent.
* </p>
* @author Stephane Fellah (Image Matters)
* @author Alexander Petkov
*
* @source $URL: http://svn.osgeo.org/geotools/branches/2.7.x/modules/library/opengis/src/main/java/org/opengis/temporal/TemporalReferenceSystem.java $
*/
@UML(identifier="TM_ReferenceSystem", specification=ISO_19108)
public interface TemporalReferenceSystem extends ReferenceSystem {
/**
* Provides a name that uniquely identifies the temporal referece system.
*
* Currently returns MD_Identifier, which is defined in ISO 19115, while ISO 19108
* requires that RS_Identifier (defined in ISO 19111 and http://www.opengis.org/docs/03-073r1.zip)
* is returned. From the looks of it, org.opengis.referencing.ReferenceSystem could also fit the bill.
*
* @return {@link ReferenceIdentifier} for the temporal reference system
*/
@UML(identifier="name", obligation=MANDATORY, specification=ISO_19108)
ReferenceIdentifier getName();
/**
* Identifies the space and time within which the reference system is applicable.
* The return type allows for describing both spatial and temporal extent.
* This attribute shall be used whenever an application schema includes
* {@link TemporalPosition}s referenced to a reference system which has a valid extent
* that is less than the extent of a data set containing such values.
* <p>
* Please note this is very similar to ReferenceSystem.getValidArea() from ISO 19115.
*/
@UML(identifier="DomainOfValidity", obligation=MANDATORY, specification=ISO_19108)
Extent getDomainOfValidity();
}