Delete restconf

[controller.git] / opendaylight / md-sal / sal-rest-connector / src / main / java / org / opendaylight / controller / sal / streams / listeners / Notificator.java

diff --git a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/streams/listeners/Notificator.java b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/streams/listeners/Notificator.java
deleted file mode 100644 (file)
index 17565a6..0000000
--- a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/streams/listeners/Notificator.java
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.sal.streams.listeners;
-
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.locks.Lock;
-import java.util.concurrent.locks.ReentrantLock;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-
-/**
- * {@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 final Lock lock = new ReentrantLock();
-
-    private Notificator() {
-    }
-
-    /**
-     * Returns list of all stream names
-     */
-    public static Set<String> getStreamNames() {
-        return listenersByStreamName.keySet();
-    }
-
-    /**
-     * Gets {@link ListenerAdapter} specified by stream name.
-     *
-     * @param streamName
-     *            The name of the stream.
-     * @return {@link ListenerAdapter} specified by stream name.
-     */
-    public static ListenerAdapter getListenerFor(String streamName) {
-        return listenersByStreamName.get(streamName);
-    }
-
-    /**
-     * Checks if the listener specified by {@link YangInstanceIdentifier} path exist.
-     *
-     * @param streamName
-     * @return True if the listener exist, false otherwise.
-     */
-    public static boolean existListenerFor(String streamName) {
-        return listenersByStreamName.containsKey(streamName);
-    }
-
-    /**
-     * 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 YangInstanceIdentifier} path and stream name.
-     */
-    public static ListenerAdapter createListener(YangInstanceIdentifier path, String streamName) {
-        ListenerAdapter listener = new ListenerAdapter(path, streamName);
-        try {
-            lock.lock();
-            listenersByStreamName.put(streamName, listener);
-        } finally {
-            lock.unlock();
-        }
-        return listener;
-    }
-
-    /**
-     * 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.
-     * @return String representation of stream name.
-     */
-    public static String createStreamNameFromUri(String uri) {
-        if (uri == null) {
-            return null;
-        }
-        String result = uri;
-        if (result.startsWith("/")) {
-            result = result.substring(1);
-        }
-        if (result.endsWith("/")) {
-            result = result.substring(0, result.length()-1);
-        }
-        return result;
-    }
-
-    /**
-     * Removes all listeners.
-     */
-    public static void removeAllListeners() {
-        for (ListenerAdapter listener : listenersByStreamName.values()) {
-            try {
-                listener.close();
-            } catch (Exception e) {
-            }
-        }
-        try {
-            lock.lock();
-            listenersByStreamName = new ConcurrentHashMap<>();
-        } finally {
-            lock.unlock();
-        }
-    }
-
-    /**
-     * 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) {
-        if (!listener.hasSubscribers()) {
-            deleteListener(listener);
-        }
-    }
-
-    /**
-     * Delete {@link ListenerAdapter} listener specified in parameter.
-     *
-     * @param listener
-     *            ListenerAdapter
-     */
-    private static void deleteListener(ListenerAdapter listener) {
-        if (listener != null) {
-            try {
-                listener.close();
-            } catch (Exception e) {
-            }
-            try {
-                lock.lock();
-                listenersByStreamName.remove(listener.getStreamName());
-            } finally {
-                lock.unlock();
-            }
-        }
-    }
-
-}