1 files changed, 0 insertions, 99 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/event/ListenerRegistry.java b/framework/src/onos/core/api/src/main/java/org/onosproject/event/ListenerRegistry.java
deleted file mode 100644
index ef02af06..00000000
--- a/framework/src/onos/core/api/src/main/java/org/onosproject/event/ListenerRegistry.java
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.event;
-
-import org.slf4j.Logger;
-
-import java.util.Set;
-import java.util.concurrent.CopyOnWriteArraySet;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-import static org.slf4j.LoggerFactory.getLogger;
-
-/**
- * Base implementation of an event sink and a registry capable of tracking
- * listeners and dispatching events to them as part of event sink processing.
- */
-public class ListenerRegistry<E extends Event, L extends EventListener<E>>
-        implements ListenerService<E, L>, EventSink<E> {
-
-    private static final long LIMIT = 1_800; // ms
-
-    private final Logger log = getLogger(getClass());
-
-    private long lastStart;
-    private L lastListener;
-
-    /**
-     * Set of listeners that have registered.
-     */
-    protected final Set<L> listeners = new CopyOnWriteArraySet<>();
-
-    @Override
-    public void addListener(L listener) {
-        checkNotNull(listener, "Listener cannot be null");
-        listeners.add(listener);
-    }
-
-    @Override
-    public void removeListener(L listener) {
-        checkNotNull(listener, "Listener cannot be null");
-        if (!listeners.remove(listener)) {
-            log.warn("Listener {} not registered", listener);
-        }
-    }
-
-    @Override
-    public void process(E event) {
-        for (L listener : listeners) {
-            try {
-                lastListener = listener;
-                lastStart = System.currentTimeMillis();
-                if (listener.isRelevant(event)) {
-                    listener.event(event);
-                }
-                lastStart = 0;
-            } catch (Exception error) {
-                reportProblem(event, error);
-            }
-        }
-    }
-
-    @Override
-    public void onProcessLimit() {
-        if (lastStart > 0) {
-            long duration = System.currentTimeMillis() - lastStart;
-            if (duration > LIMIT) {
-                log.error("Listener {} exceeded execution time limit: {} ms; ejected",
-                          lastListener.getClass().getName(),
-                          duration);
-                removeListener(lastListener);
-            }
-            lastStart = 0;
-        }
-    }
-
-    /**
-     * Reports a problem encountered while processing an event.
-     *
-     * @param event event being processed
-     * @param error error encountered while processing
-     */
-    protected void reportProblem(E event, Throwable error) {
-        log.warn("Exception encountered while processing event " + event, error);
-    }
-
-}