2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.frm.meter;
10 import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
11 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
12 import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
13 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.SalMeterService;
18 import org.opendaylight.yangtools.concepts.ListenerRegistration;
19 import org.opendaylight.yangtools.yang.binding.DataObject;
20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
25 public class MeterProvider implements AutoCloseable {
27 private final static Logger LOG = LoggerFactory.getLogger(MeterProvider.class);
29 private DataProviderService dataService;
30 private SalMeterService salMeterService;
32 /* DataChangeListener */
33 private MeterChangeListener meterDataChangeListener;
34 ListenerRegistration<DataChangeListener> meterDataChangeListenerRegistration;
38 InstanceIdentifierBuilder<Nodes> nodesBuilder = InstanceIdentifier.<Nodes> builder(Nodes.class);
39 InstanceIdentifierBuilder<Node> nodeChild = nodesBuilder.<Node> child(Node.class);
40 InstanceIdentifierBuilder<FlowCapableNode> augmentFlowCapNode = nodeChild.<FlowCapableNode> augmentation(FlowCapableNode.class);
41 InstanceIdentifierBuilder<Meter> meterChild = augmentFlowCapNode.<Meter> child(Meter.class);
42 final InstanceIdentifier<? extends DataObject> meterDataObjectPath = meterChild.toInstance();
44 /* DataChangeListener registration */
45 this.meterDataChangeListener = new MeterChangeListener(this.salMeterService);
46 this.meterDataChangeListenerRegistration = this.dataService.registerDataChangeListener(meterDataObjectPath, meterDataChangeListener);
47 LOG.info("Meter Config Provider started.");
50 protected DataModificationTransaction startChange() {
51 return this.dataService.beginTransaction();
54 public void close() throws Exception {
55 if(meterDataChangeListenerRegistration != null){
56 meterDataChangeListenerRegistration.close();
60 public void setDataService(final DataProviderService dataService) {
61 this.dataService = dataService;
64 public void setSalMeterService(final SalMeterService salMeterService) {
65 this.salMeterService = salMeterService;