opendaylight/md-sal/sal-restconf-broker/src/main/java/org/opendaylight/controller/sal/restconf/broker/impl/DataBrokerServiceImpl.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. 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.controller.sal.restconf.broker.impl;
   9
  10 import com.google.common.base.Optional;
  11 import java.util.Map;
  12 import java.util.concurrent.ExecutionException;
  13 import java.util.concurrent.Future;
  14 import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
  15 import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
  16 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
  17 import org.opendaylight.controller.sal.common.DataStoreIdentifier;
  18 import org.opendaylight.controller.sal.restconf.broker.listeners.RemoteDataChangeNotificationListener;
  19 import org.opendaylight.controller.sal.restconf.broker.tools.RemoteStreamTools;
  20 import org.opendaylight.controller.sal.restconf.broker.transactions.RemoteDataModificationTransaction;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.BeginTransactionOutput;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.CreateDataChangeEventSubscriptionInputBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.CreateDataChangeEventSubscriptionOutput;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.SalRemoteService;
  25 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  26 import org.opendaylight.yangtools.restconf.client.api.RestconfClientContext;
  27 import org.opendaylight.yangtools.restconf.client.api.event.EventStreamInfo;
  28 import org.opendaylight.yangtools.restconf.client.api.event.ListenableEventStreamContext;
  29 import org.opendaylight.yangtools.yang.binding.DataObject;
  30 import org.opendaylight.yangtools.yang.binding.DataRoot;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.opendaylight.yangtools.yang.common.RpcResult;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 public class DataBrokerServiceImpl implements DataBrokerService  {
  37
  38     private static final Logger logger = LoggerFactory.getLogger(DataBrokerServiceImpl.class.toString());
  39     private RestconfClientContext restconfClientContext;
  40     private SalRemoteService salRemoteService;
  41
  42     public DataBrokerServiceImpl(RestconfClientContext restconfClientContext) {
  43         this.restconfClientContext = restconfClientContext;
  44         this.salRemoteService =  this.restconfClientContext.getRpcServiceContext(SalRemoteService.class).getRpcService();
  45     }
  46     @Override
  47     public <T extends DataRoot> T getData(DataStoreIdentifier store, Class<T> rootType) {
  48         throw new UnsupportedOperationException("Deprecated");
  49     }
  50
  51     @Override
  52     public <T extends DataRoot> T getData(DataStoreIdentifier store, T filter) {
  53         throw new UnsupportedOperationException("Deprecated");
  54     }
  55
  56     @Override
  57     public <T extends DataRoot> T getCandidateData(DataStoreIdentifier store, Class<T> rootType) {
  58         throw new UnsupportedOperationException("Deprecated");
  59     }
  60
  61     @Override
  62     public <T extends DataRoot> T getCandidateData(DataStoreIdentifier store, T filter) {
  63         throw new UnsupportedOperationException("Deprecated");
  64     }
  65
  66     @Override
  67     public RpcResult<DataRoot> editCandidateData(DataStoreIdentifier store, DataRoot changeSet) {
  68         throw new UnsupportedOperationException("Deprecated");
  69     }
  70
  71     @Override
  72     public Future<RpcResult<Void>> commit(DataStoreIdentifier store) {
  73         throw new UnsupportedOperationException("Deprecated");
  74     }
  75
  76     @Override
  77     public DataObject getData(InstanceIdentifier<? extends DataObject> data) {
  78         throw new UnsupportedOperationException("Deprecated");
  79     }
  80
  81     @Override
  82     public DataObject getConfigurationData(InstanceIdentifier<?> data) {
  83         throw new UnsupportedOperationException("Deprecated");
  84     }
  85
  86     @Override
  87     public DataModificationTransaction beginTransaction() {
  88         Future<RpcResult<BeginTransactionOutput>> rpcResultFuture = this.salRemoteService.beginTransaction();
  89         //TODO finish yang model for proper remoteDataModificationTransaction setup
  90         RemoteDataModificationTransaction remoteDataModificationTransaction = new RemoteDataModificationTransaction();
  91         return remoteDataModificationTransaction;
  92     }
  93
  94     @Override
  95     public void registerChangeListener(InstanceIdentifier<? extends DataObject> path, DataChangeListener changeListener) {
  96         throw new UnsupportedOperationException("Deprecated");
  97     }
  98
  99     @Override
 100     public void unregisterChangeListener(InstanceIdentifier<? extends DataObject> path, DataChangeListener changeListener) {
 101         throw new UnsupportedOperationException("Deprecated");
 102     }
 103
 104     @Override
 105     public DataObject readConfigurationData(InstanceIdentifier<? extends DataObject> path) {
 106         try {
 107             Optional<DataObject> optDataObject = (Optional<DataObject>) this.restconfClientContext.getConfigurationDatastore().readData(path).get();
 108             if (optDataObject.isPresent()){
 109                 return optDataObject.get();
 110             }
 111         } catch (InterruptedException e) {
 112             logger.trace("Reading configuration data interrupted {}",e);
 113         } catch (ExecutionException e) {
 114             logger.trace("Reading configuration execution exception {}",e);
 115         }
 116         throw new IllegalStateException("No data to return.");
 117     }
 118
 119     @Override
 120     public DataObject readOperationalData(InstanceIdentifier<? extends DataObject> path) {
 121         try {
 122             Optional<DataObject> optDataObject = (Optional<DataObject>) this.restconfClientContext.getOperationalDatastore().readData(path).get();
 123             if (optDataObject.isPresent()){
 124                 return optDataObject.get();
 125             }
 126         } catch (InterruptedException e) {
 127             logger.trace("Reading configuration data interrupted {}",e);
 128         } catch (ExecutionException e) {
 129             logger.trace("Reading configuration execution exception {}",e);
 130         }
 131         throw new IllegalStateException("No data to return.");
 132     }
 133     @Override
 134     public ListenerRegistration<DataChangeListener> registerDataChangeListener(InstanceIdentifier<? extends DataObject> path, DataChangeListener listener) {
 135         CreateDataChangeEventSubscriptionInputBuilder inputBuilder = new CreateDataChangeEventSubscriptionInputBuilder();
 136         Future<RpcResult<CreateDataChangeEventSubscriptionOutput>> rpcResultFuture =  salRemoteService.createDataChangeEventSubscription(inputBuilder.setPath(path).build());
 137         String streamName = "";
 138         try {
 139             if (rpcResultFuture.get().isSuccessful()){
 140                 streamName = rpcResultFuture.get().getResult().getStreamName();
 141             }
 142         } catch (InterruptedException e) {
 143             logger.trace("Interupted while getting rpc result due to {}",e);
 144         } catch (ExecutionException e) {
 145             logger.trace("Execution exception while getting rpc result due to {}",e);
 146         }
 147         final Map<String,EventStreamInfo> desiredEventStream = RemoteStreamTools.createEventStream(restconfClientContext,streamName);
 148         ListenableEventStreamContext restConfListenableEventStreamContext = restconfClientContext.getEventStreamContext(desiredEventStream.get(streamName));
 149         RemoteDataChangeNotificationListener remoteDataChangeNotificationListener = new RemoteDataChangeNotificationListener(listener);
 150         restConfListenableEventStreamContext.registerNotificationListener(remoteDataChangeNotificationListener);
 151         return new SalRemoteDataListenerRegistration(listener);
 152     }
 153
 154     private class SalRemoteDataListenerRegistration implements ListenerRegistration<DataChangeListener> {
 155         private DataChangeListener dataChangeListener;
 156         public SalRemoteDataListenerRegistration(DataChangeListener dataChangeListener){
 157             this.dataChangeListener = dataChangeListener;
 158         }
 159         @Override
 160         public DataChangeListener getInstance() {
 161             return this.dataChangeListener;
 162         }
 163         @Override
 164         public void close() throws Exception {
 165             //noop
 166         }
 167     }
 168 }