package jalview.datamodel.features;
+import jalview.bin.ApplicationSingletonProvider;
+import jalview.bin.ApplicationSingletonProvider.ApplicationSingletonI;
+
import java.util.HashMap;
import java.util.Map;
-/**
- * A singleton to hold metadata about feature attributes, keyed by a unique
- * feature source identifier
- *
- * @author gmcarstairs
- *
- */
-public class FeatureSources
+public class FeatureSources implements ApplicationSingletonI
{
- private static FeatureSources instance = new FeatureSources();
-
- private Map<String, FeatureSourceI> sources;
- /**
- * Answers the singleton instance of this class
- *
- * @return
- */
public static FeatureSources getInstance()
{
- return instance;
+ return (FeatureSources) ApplicationSingletonProvider
+ .getInstance(FeatureSources.class);
}
+ private Map<String, FeatureSourceI> sources;
+
private FeatureSources()
{
sources = new HashMap<>();