01: /*
02: * GeoTools - OpenSource mapping toolkit
03: * http://geotools.org
04: * (C) 2002-2006, GeoTools Project Managment Committee (PMC)
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation;
09: * version 2.1 of the License.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: */
16: package org.geotools.data;
17:
18: /**
19: * Interface to be implemented by all listeners of FeatureEvents.
20: *
21: * <p>
22: * Event notification is based on p[roviding the Envelope of the modification
23: * (if known).
24: * </p>
25: *
26: * @author Jody Garnett, Refractions Research, Inc.
27: * @since GeoTools 2.0
28: * @source $URL: http://svn.geotools.org/geotools/tags/2.4.1/modules/library/api/src/main/java/org/geotools/data/FeatureListener.java $
29: */
30: public interface FeatureListener extends java.util.EventListener {
31: /**
32: * Gets called when a FeatureEvent is fired.
33: *
34: * <p>
35: * Typically fired to signify that a change has occurred in the DataStore
36: * backing the FeatureSource.
37: * </p>
38: *
39: * @param featureEvent The FeatureEvent being fired
40: */
41: void changed(FeatureEvent featureEvent);
42: }
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