Bug 1484 - StatisticManager performance improvement refactoring

[controller.git] / opendaylight / md-sal / statistics-manager / src / main / java / org / opendaylight / controller / md / statistics / manager / AbstractListeningStatsTracker.java

diff --git a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/AbstractListeningStatsTracker.java b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/AbstractListeningStatsTracker.java
deleted file mode 100644 (file)
index 167fb21..0000000
--- a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/AbstractListeningStatsTracker.java
+++ /dev/null
@@ -1,48 +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.md.statistics.manager;
-
-import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
-import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.base.Preconditions;
-
-abstract class AbstractListeningStatsTracker<I, K> extends AbstractStatsTracker<I, K> implements AutoCloseable, DataChangeListener {
-    private static final Logger logger = LoggerFactory.getLogger(AbstractListeningStatsTracker.class);
-    private ListenerRegistration<?> reg;
-
-    protected AbstractListeningStatsTracker(FlowCapableContext context) {
-        super(context);
-    }
-
-    protected abstract InstanceIdentifier<?> listenPath();
-    protected abstract String statName();
-
-    public void start(final DataBrokerService dbs) {
-        Preconditions.checkState(reg == null);
-
-        reg = dbs.registerDataChangeListener(listenPath(), this);
-        logger.debug("{} Statistics tracker for node {} started", statName(), getNodeIdentifier());
-    }
-
-    @Override
-    public final void close() {
-        if (reg != null) {
-            try {
-                reg.close();
-            } catch (Exception e) {
-                logger.warn("Failed to stop {} Statistics tracker for node {}", statName(), getNodeIdentifier(), e);
-            }
-            reg = null;
-        }
-    }
-}