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 java.util.Map;
  11 import java.util.concurrent.ExecutionException;
  12 import java.util.concurrent.Future;
  13
  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 import com.google.common.base.Optional;
  37
  38 public class DataBrokerServiceImpl implements DataBrokerService  {
  39
  40     private static final Logger logger = LoggerFactory.getLogger(DataBrokerServiceImpl.class.toString());
  41     private final RestconfClientContext restconfClientContext;
  42     private final SalRemoteService salRemoteService;
  43
  44     public DataBrokerServiceImpl(RestconfClientContext restconfClientContext) {
  45         this.restconfClientContext = restconfClientContext;
  46         this.salRemoteService =  this.restconfClientContext.getRpcServiceContext(SalRemoteService.class).getRpcService();
  47     }
  48     @Override
  49     public <T extends DataRoot> T getData(DataStoreIdentifier store, Class<T> rootType) {
  50         throw new UnsupportedOperationException("Deprecated");
  51     }
  52
  53     @Override
  54     public <T extends DataRoot> T getData(DataStoreIdentifier store, T filter) {
  55         throw new UnsupportedOperationException("Deprecated");
  56     }
  57
  58     @Override
  59     public <T extends DataRoot> T getCandidateData(DataStoreIdentifier store, Class<T> rootType) {
  60         throw new UnsupportedOperationException("Deprecated");
  61     }
  62
  63     @Override
  64     public <T extends DataRoot> T getCandidateData(DataStoreIdentifier store, T filter) {
  65         throw new UnsupportedOperationException("Deprecated");
  66     }
  67
  68     @Override
  69     public RpcResult<DataRoot> editCandidateData(DataStoreIdentifier store, DataRoot changeSet) {
  70         throw new UnsupportedOperationException("Deprecated");
  71     }
  72
  73     @Override
  74     public Future<RpcResult<Void>> commit(DataStoreIdentifier store) {
  75         throw new UnsupportedOperationException("Deprecated");
  76     }
  77
  78     @Override
  79     public DataObject getData(InstanceIdentifier<? extends DataObject> data) {
  80         throw new UnsupportedOperationException("Deprecated");
  81     }
  82
  83     @Override
  84     public DataObject getConfigurationData(InstanceIdentifier<?> data) {
  85         throw new UnsupportedOperationException("Deprecated");
  86     }
  87
  88     @Override
  89     public DataModificationTransaction beginTransaction() {
  90         Future<RpcResult<BeginTransactionOutput>> rpcResultFuture = this.salRemoteService.beginTransaction();
  91         //TODO finish yang model for proper remoteDataModificationTransaction setup
  92         RemoteDataModificationTransaction remoteDataModificationTransaction = new RemoteDataModificationTransaction();
  93         return remoteDataModificationTransaction;
  94     }
  95
  96     @Override
  97     public void registerChangeListener(InstanceIdentifier<? extends DataObject> path, DataChangeListener changeListener) {
  98         throw new UnsupportedOperationException("Deprecated");
  99     }
 100
 101     @Override
 102     public void unregisterChangeListener(InstanceIdentifier<? extends DataObject> path, DataChangeListener changeListener) {
 103         throw new UnsupportedOperationException("Deprecated");
 104     }
 105
 106     @Override
 107     public DataObject readConfigurationData(InstanceIdentifier<? extends DataObject> path) {
 108         try {
 109             Optional<DataObject> optDataObject = (Optional<DataObject>) this.restconfClientContext.getConfigurationDatastore().readData(path).get();
 110             if (optDataObject.isPresent()){
 111                 return optDataObject.get();
 112             }
 113         } catch (InterruptedException e) {
 114             logger.trace("Reading configuration data interrupted {}",e);
 115         } catch (ExecutionException e) {
 116             logger.trace("Reading configuration execution exception {}",e);
 117         }
 118         throw new IllegalStateException("No data to return.");
 119     }
 120
 121     @Override
 122     public DataObject readOperationalData(InstanceIdentifier<? extends DataObject> path) {
 123         try {
 124             Optional<DataObject> optDataObject = (Optional<DataObject>) this.restconfClientContext.getOperationalDatastore().readData(path).get();
 125             if (optDataObject.isPresent()){
 126                 return optDataObject.get();
 127             }
 128         } catch (InterruptedException e) {
 129             logger.trace("Reading configuration data interrupted {}",e);
 130         } catch (ExecutionException e) {
 131             logger.trace("Reading configuration execution exception {}",e);
 132         }
 133         throw new IllegalStateException("No data to return.");
 134     }
 135     @Override
 136     public ListenerRegistration<DataChangeListener> registerDataChangeListener(InstanceIdentifier<? extends DataObject> path, DataChangeListener listener) {
 137         CreateDataChangeEventSubscriptionInputBuilder inputBuilder = new CreateDataChangeEventSubscriptionInputBuilder();
 138         Future<RpcResult<CreateDataChangeEventSubscriptionOutput>> rpcResultFuture =  salRemoteService.createDataChangeEventSubscription(inputBuilder.setPath(path).build());
 139         String streamName = "";
 140         try {
 141             if (rpcResultFuture.get().isSuccessful()){
 142                 streamName = rpcResultFuture.get().getResult().getStreamName();
 143             }
 144         } catch (InterruptedException e) {
 145             logger.trace("Interupted while getting rpc result due to {}",e);
 146         } catch (ExecutionException e) {
 147             logger.trace("Execution exception while getting rpc result due to {}",e);
 148         }
 149         final Map<String,EventStreamInfo> desiredEventStream = RemoteStreamTools.createEventStream(restconfClientContext,streamName);
 150         ListenableEventStreamContext restConfListenableEventStreamContext = restconfClientContext.getEventStreamContext(desiredEventStream.get(streamName));
 151         RemoteDataChangeNotificationListener remoteDataChangeNotificationListener = new RemoteDataChangeNotificationListener(listener);
 152         restConfListenableEventStreamContext.registerNotificationListener(remoteDataChangeNotificationListener);
 153         return new SalRemoteDataListenerRegistration(listener);
 154     }
 155
 156     private class SalRemoteDataListenerRegistration implements ListenerRegistration<DataChangeListener> {
 157         private final DataChangeListener dataChangeListener;
 158         public SalRemoteDataListenerRegistration(DataChangeListener dataChangeListener){
 159             this.dataChangeListener = dataChangeListener;
 160         }
 161         @Override
 162         public DataChangeListener getInstance() {
 163             return this.dataChangeListener;
 164         }
 165         @Override
 166         public void close() {
 167             //noop
 168         }
 169     }
 170 }