allow to access the global node settings in a static manner

Author: kimchy

src/main/java/org/elasticsearch/node/settings/NodeSettingsService.java

@@ -25,6 +25,7 @@
 import org.elasticsearch.common.component.AbstractComponent;
 import org.elasticsearch.common.inject.Inject;
 import org.elasticsearch.common.logging.ESLoggerFactory;
+import org.elasticsearch.common.settings.ImmutableSettings;
 import org.elasticsearch.common.settings.Settings;
 
 import java.util.Map;
@@ -36,13 +37,24 @@
  */
 public class NodeSettingsService extends AbstractComponent implements ClusterStateListener {
 
+ private static volatile Settings globalSettings = ImmutableSettings.Builder.EMPTY_SETTINGS;
+
+ /**
+ * Returns the global (static) settings last updated by a node. Note, if you have multiple
+ * nodes on the same JVM, it will just return the latest one set...
+ */
+ public static Settings getGlobalSettings() {
+ return globalSettings;
+ }
+
  private volatile Settings lastSettingsApplied;
 
  private final CopyOnWriteArrayList<Listener> listeners = new CopyOnWriteArrayList<Listener>();
 
  @Inject
  public NodeSettingsService(Settings settings) {
  super(settings);
+ globalSettings = settings;
  }
 
  // inject it as a member, so we won't get into possible cyclic problems
@@ -91,6 +103,7 @@ public void clusterChanged(ClusterChangedEvent event) {
  }
 
  lastSettingsApplied = event.state().metaData().settings();
+ globalSettings = lastSettingsApplied;
  }
 
  public void addListener(Listener listener) {