import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
-
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
/**
- * {@link Notificator} is responsible to create, remove and find {@link ListenerAdapter} listener.
+ * {@link Notificator} is responsible to create, remove and find
+ * {@link ListenerAdapter} listener.
*/
public class Notificator {
private static Map<String, ListenerAdapter> listenersByStreamName = new ConcurrentHashMap<>();
- private static Map<InstanceIdentifier, ListenerAdapter> listenersByInstanceIdentifier = new ConcurrentHashMap<>();
private static final Lock lock = new ReentrantLock();
private Notificator() {
return listenersByStreamName.keySet();
}
-
/**
* Gets {@link ListenerAdapter} specified by stream name.
*
}
/**
- * Gets {@link ListenerAdapter} listener specified by
- * {@link InstanceIdentifier} path.
- *
- * @param path
- * Path to data in data repository.
- * @return ListenerAdapter
- */
- public static ListenerAdapter getListenerFor(InstanceIdentifier path) {
- return listenersByInstanceIdentifier.get(path);
- }
-
- /**
- * Checks if the listener specified by {@link InstanceIdentifier} path
- * exist.
+ * Checks if the listener specified by {@link YangInstanceIdentifier} path exist.
*
- * @param path
- * Path to data in data repository.
+ * @param streamName
* @return True if the listener exist, false otherwise.
*/
- public static boolean existListenerFor(InstanceIdentifier path) {
- return listenersByInstanceIdentifier.containsKey(path);
+ public static boolean existListenerFor(String streamName) {
+ return listenersByStreamName.containsKey(streamName);
}
/**
- * Creates new {@link ListenerAdapter} listener from
- * {@link InstanceIdentifier} path and stream name.
+ * Creates new {@link ListenerAdapter} listener from {@link YangInstanceIdentifier} path and stream name.
*
* @param path
* Path to data in data repository.
* @param streamName
* The name of the stream.
- * @return New {@link ListenerAdapter} listener from
- * {@link InstanceIdentifier} path and stream name.
+ * @return New {@link ListenerAdapter} listener from {@link YangInstanceIdentifier} path and stream name.
*/
- public static ListenerAdapter createListener(InstanceIdentifier path,
- String streamName) {
+ public static ListenerAdapter createListener(YangInstanceIdentifier path, String streamName) {
ListenerAdapter listener = new ListenerAdapter(path, streamName);
try {
lock.lock();
- listenersByInstanceIdentifier.put(path, listener);
listenersByStreamName.put(streamName, listener);
} finally {
lock.unlock();
}
/**
- * Looks for listener determined by {@link InstanceIdentifier} path and
- * removes it.
- *
- * @param path
- * InstanceIdentifier
- */
- public static void removeListener(InstanceIdentifier path) {
- ListenerAdapter listener = listenersByInstanceIdentifier.get(path);
- deleteListener(listener);
- }
-
- /**
- * Creates String representation of stream name from URI. Removes slash from
- * URI in start and end position.
+ * Looks for listener determined by {@link YangInstanceIdentifier} path and removes it.
+ * Creates String representation of stream name from URI. Removes slash from URI in start and end position.
*
* @param uri
* URI for creation stream name.
result = result.substring(1);
}
if (result.endsWith("/")) {
- result = result.substring(0, result.length());
+ result = result.substring(0, result.length()-1);
}
return result;
}
* Removes all listeners.
*/
public static void removeAllListeners() {
- for (ListenerAdapter listener : listenersByInstanceIdentifier.values()) {
+ for (ListenerAdapter listener : listenersByStreamName.values()) {
try {
listener.close();
} catch (Exception e) {
try {
lock.lock();
listenersByStreamName = new ConcurrentHashMap<>();
- listenersByInstanceIdentifier = new ConcurrentHashMap<>();
} finally {
lock.unlock();
}
}
/**
- * Checks if listener has at least one subscriber. In case it doesn't have any, delete
- * listener.
+ * Checks if listener has at least one subscriber. In case it doesn't have any, delete listener.
*
* @param listener
* ListenerAdapter
*/
- public static void removeListenerIfNoSubscriberExists(
- ListenerAdapter listener) {
+ public static void removeListenerIfNoSubscriberExists(ListenerAdapter listener) {
if (!listener.hasSubscribers()) {
deleteListener(listener);
}
}
try {
lock.lock();
- listenersByInstanceIdentifier.remove(listener.getPath());
listenersByStreamName.remove(listener.getStreamName());
} finally {
lock.unlock();