Author: aaime
Date: 2009-10-26 06:08:28 -0400 (Mon, 26 Oct 2009)
New Revision: 34249
Modified:
trunk/modules/library/data/src/main/java/org/geotools/data/store/ContentFeatureCollection.java
Log:
GEOT-2803, ContentFeatureCollection is leaking listeners
Modified: trunk/modules/library/data/src/main/java/org/geotools/data/store/ContentFeatureCollection.java
===================================================================
--- trunk/modules/library/data/src/main/java/org/geotools/data/store/ContentFeatureCollection.java 2009-10-26 08:25:29 UTC (rev 34248)
+++ trunk/modules/library/data/src/main/java/org/geotools/data/store/ContentFeatureCollection.java 2009-10-26 10:08:28 UTC (rev 34249)
@@ -111,9 +111,6 @@
this.featureSource = featureSource;
this.query = query;
- //add the feautre source listener
- featureSource.addFeatureListener(listener);
-
//retype feature type if necessary
if ( query.getPropertyNames() != Query.ALL_NAMES ) {
this.featureType =
@@ -151,7 +148,14 @@
* @param listener The listener to add
*/
public void addListener(CollectionListener listener) {
- listeners.add(listener);
+ // create the bridge only if we have collection listeners around
+ synchronized (listeners) {
+ if(listeners.size() == 0) {
+ featureSource.addFeatureListener(this.listener);
+ }
+
+ listeners.add(listener);
+ }
}
/**
@@ -160,7 +164,13 @@
* @param listener The listener to remove
*/
public void removeListener(CollectionListener listener) {
- listeners.remove(listener);
+ // as soon as the listeners are out we clean up
+ synchronized (listeners) {
+ listeners.remove(listener);
+
+ if(listeners.size() == 0)
+ featureSource.removeFeatureListener(this.listener);
+ }
}
// Iterators
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