itm/itm-impl/src/main/java/org/opendaylight/genius/itm/listeners/TunnelMonitorIntervalListener.java

   1 /*
   2  * Copyright (c) 2016, 2017 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.genius.itm.listeners;
   9
  10 import com.google.common.base.Optional;
  11 import javax.annotation.PostConstruct;
  12 import javax.annotation.PreDestroy;
  13 import javax.inject.Inject;
  14 import javax.inject.Singleton;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  19 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  20 import org.opendaylight.genius.itm.confighelpers.ItmMonitorIntervalWorker;
  21 import org.opendaylight.genius.itm.impl.ItmUtils;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.config.rev160406.TunnelMonitorInterval;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.TransportZones;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.TransportZone;
  25 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 @Singleton
  31 public class TunnelMonitorIntervalListener
  32         extends AsyncDataTreeChangeListenerBase<TunnelMonitorInterval, TunnelMonitorIntervalListener>
  33         implements  AutoCloseable {
  34     private static final Logger LOG = LoggerFactory.getLogger(TunnelMonitorIntervalListener.class);
  35     private ListenerRegistration<DataChangeListener> monitorIntervalListenerRegistration;
  36     private final DataBroker broker;
  37
  38     @Inject
  39     public TunnelMonitorIntervalListener(DataBroker dataBroker) {
  40         super(TunnelMonitorInterval.class, TunnelMonitorIntervalListener.class);
  41         this.broker = dataBroker;
  42     }
  43
  44     @PostConstruct
  45     public void start() {
  46         registerListener(LogicalDatastoreType.CONFIGURATION, this.broker);
  47         LOG.info("TunnelMonitorIntervalListener Started");
  48     }
  49
  50     @Override
  51     @PreDestroy
  52     public void close() {
  53         LOG.info("TunnelMonitorIntervalListener Closed");
  54     }
  55
  56     @Override protected InstanceIdentifier<TunnelMonitorInterval> getWildCardPath() {
  57         return InstanceIdentifier.create(TunnelMonitorInterval.class);
  58     }
  59
  60     @Override
  61     protected void remove(InstanceIdentifier<TunnelMonitorInterval> key, TunnelMonitorInterval dataObjectModification) {
  62         LOG.debug("remove TunnelMonitorIntervalListener called with {}",dataObjectModification.getInterval());
  63         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  64         InstanceIdentifier<TransportZones> path = InstanceIdentifier.builder(TransportZones.class).build();
  65         Optional<TransportZones> transportZonesOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION,
  66                 path, broker);
  67         if (transportZonesOptional.isPresent()) {
  68             TransportZones tzones = transportZonesOptional.get();
  69             for (TransportZone tzone : tzones.getTransportZone()) {
  70                 //if you remove configuration, the last configured interval is only set i.e no change
  71                 LOG.debug("Remove:Calling TunnelMonitorIntervalWorker with tzone = {} and {}",
  72                         tzone.getZoneName(),dataObjectModification.getInterval());
  73                 ItmMonitorIntervalWorker toggleWorker = new ItmMonitorIntervalWorker(tzone.getZoneName(),
  74                         dataObjectModification.getInterval(), broker);
  75                 coordinator.enqueueJob(tzone.getZoneName(), toggleWorker);
  76             }
  77         }
  78     }
  79
  80     @Override protected void update(InstanceIdentifier<TunnelMonitorInterval> key,
  81                                     TunnelMonitorInterval dataObjectModificationBefore,
  82                                     TunnelMonitorInterval dataObjectModificationAfter) {
  83         LOG.debug("update TunnelMonitorIntervalListener called with {}",dataObjectModificationAfter.getInterval());
  84         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  85         InstanceIdentifier<TransportZones> path = InstanceIdentifier.builder(TransportZones.class).build();
  86         Optional<TransportZones> transportZonesOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION,
  87                 path, broker);
  88         if (transportZonesOptional.isPresent()) {
  89             TransportZones tzones = transportZonesOptional.get();
  90             for (TransportZone tzone : tzones.getTransportZone()) {
  91                 LOG.debug("Update:Calling TunnelMonitorIntervalWorker with tzone = {} and {}",
  92                         tzone.getZoneName(),dataObjectModificationAfter.getInterval());
  93                 ItmMonitorIntervalWorker intervalWorker = new ItmMonitorIntervalWorker(tzone.getZoneName(),
  94                         dataObjectModificationAfter.getInterval(), broker);
  95                 coordinator.enqueueJob(tzone.getZoneName(), intervalWorker);
  96             }
  97         }
  98     }
  99
 100     @Override
 101     protected void add(InstanceIdentifier<TunnelMonitorInterval> key, TunnelMonitorInterval dataObjectModification) {
 102         LOG.debug("Add TunnelMonitorIntervalListener called with {}",dataObjectModification.getInterval());
 103         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
 104         InstanceIdentifier<TransportZones> path = InstanceIdentifier.builder(TransportZones.class).build();
 105         Optional<TransportZones> transportZonesOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION,
 106                 path, broker);
 107         if (transportZonesOptional.isPresent()) {
 108             TransportZones tzones = transportZonesOptional.get();
 109             for (TransportZone tzone : tzones.getTransportZone()) {
 110                 LOG.debug("Add:Calling TunnelMonitorIntervalWorker with tzone = {} and {}",
 111                         tzone.getZoneName(),dataObjectModification.getInterval());
 112                 ItmMonitorIntervalWorker intervalWorker = new ItmMonitorIntervalWorker(tzone.getZoneName(),
 113                         dataObjectModification.getInterval(), broker);
 114                 //conversion to milliseconds done while writing to i/f-mgr config DS
 115                 coordinator.enqueueJob(tzone.getZoneName(), intervalWorker);
 116             }
 117         }
 118     }
 119
 120     @Override protected TunnelMonitorIntervalListener getDataTreeChangeListener() {
 121         return TunnelMonitorIntervalListener.this;
 122     }
 123 }