sal-restconf-broker initial implementation
[controller.git] / opendaylight / md-sal / sal-restconf-broker / src / main / java / org / opendaylight / controller / sal / restconf / broker / impl / DataBrokerServiceImpl.java
diff --git a/opendaylight/md-sal/sal-restconf-broker/src/main/java/org/opendaylight/controller/sal/restconf/broker/impl/DataBrokerServiceImpl.java b/opendaylight/md-sal/sal-restconf-broker/src/main/java/org/opendaylight/controller/sal/restconf/broker/impl/DataBrokerServiceImpl.java
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+/*
+ * Copyright (c) 2013 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.sal.restconf.broker.impl;
+
+import com.google.common.base.Optional;
+import java.util.Map;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
+import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
+import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
+import org.opendaylight.controller.sal.common.DataStoreIdentifier;
+import org.opendaylight.controller.sal.restconf.broker.listeners.RemoteDataChangeNotificationListener;
+import org.opendaylight.controller.sal.restconf.broker.tools.RemoteStreamTools;
+import org.opendaylight.controller.sal.restconf.broker.transactions.RemoteDataModificationTransaction;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.BeginTransactionOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.CreateDataChangeEventSubscriptionInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.CreateDataChangeEventSubscriptionOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.SalRemoteService;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.restconf.client.api.RestconfClientContext;
+import org.opendaylight.yangtools.restconf.client.api.event.EventStreamInfo;
+import org.opendaylight.yangtools.restconf.client.api.event.ListenableEventStreamContext;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.DataRoot;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class DataBrokerServiceImpl implements DataBrokerService  {
+
+    private static final Logger logger = LoggerFactory.getLogger(DataBrokerServiceImpl.class.toString());
+    private RestconfClientContext restconfClientContext;
+    private SalRemoteService salRemoteService;
+
+    public DataBrokerServiceImpl(RestconfClientContext restconfClientContext) {
+        this.restconfClientContext = restconfClientContext;
+        this.salRemoteService =  this.restconfClientContext.getRpcServiceContext(SalRemoteService.class).getRpcService();
+    }
+    @Override
+    public <T extends DataRoot> T getData(DataStoreIdentifier store, Class<T> rootType) {
+        throw new UnsupportedOperationException("Deprecated");
+    }
+
+    @Override
+    public <T extends DataRoot> T getData(DataStoreIdentifier store, T filter) {
+        throw new UnsupportedOperationException("Deprecated");
+    }
+
+    @Override
+    public <T extends DataRoot> T getCandidateData(DataStoreIdentifier store, Class<T> rootType) {
+        throw new UnsupportedOperationException("Deprecated");
+    }
+
+    @Override
+    public <T extends DataRoot> T getCandidateData(DataStoreIdentifier store, T filter) {
+        throw new UnsupportedOperationException("Deprecated");
+    }
+
+    @Override
+    public RpcResult<DataRoot> editCandidateData(DataStoreIdentifier store, DataRoot changeSet) {
+        throw new UnsupportedOperationException("Deprecated");
+    }
+
+    @Override
+    public Future<RpcResult<Void>> commit(DataStoreIdentifier store) {
+        throw new UnsupportedOperationException("Deprecated");
+    }
+
+    @Override
+    public DataObject getData(InstanceIdentifier<? extends DataObject> data) {
+        throw new UnsupportedOperationException("Deprecated");
+    }
+
+    @Override
+    public DataObject getConfigurationData(InstanceIdentifier<?> data) {
+        throw new UnsupportedOperationException("Deprecated");
+    }
+
+    @Override
+    public DataModificationTransaction beginTransaction() {
+        Future<RpcResult<BeginTransactionOutput>> rpcResultFuture = this.salRemoteService.beginTransaction();
+        //TODO finish yang model for proper remoteDataModificationTransaction setup
+        RemoteDataModificationTransaction remoteDataModificationTransaction = new RemoteDataModificationTransaction();
+        return remoteDataModificationTransaction;
+    }
+
+    @Override
+    public void registerChangeListener(InstanceIdentifier<? extends DataObject> path, DataChangeListener changeListener) {
+        throw new UnsupportedOperationException("Deprecated");
+    }
+
+    @Override
+    public void unregisterChangeListener(InstanceIdentifier<? extends DataObject> path, DataChangeListener changeListener) {
+        throw new UnsupportedOperationException("Deprecated");
+    }
+
+    @Override
+    public DataObject readConfigurationData(InstanceIdentifier<? extends DataObject> path) {
+        try {
+            Optional<DataObject> optDataObject = (Optional<DataObject>) this.restconfClientContext.getConfigurationDatastore().readData(path).get();
+            if (optDataObject.isPresent()){
+                return optDataObject.get();
+            }
+        } catch (InterruptedException e) {
+            logger.trace("Reading configuration data interrupted {}",e);
+        } catch (ExecutionException e) {
+            logger.trace("Reading configuration execution exception {}",e);
+        }
+        throw new IllegalStateException("No data to return.");
+    }
+
+    @Override
+    public DataObject readOperationalData(InstanceIdentifier<? extends DataObject> path) {
+        try {
+            Optional<DataObject> optDataObject = (Optional<DataObject>) this.restconfClientContext.getOperationalDatastore().readData(path).get();
+            if (optDataObject.isPresent()){
+                return optDataObject.get();
+            }
+        } catch (InterruptedException e) {
+            logger.trace("Reading configuration data interrupted {}",e);
+        } catch (ExecutionException e) {
+            logger.trace("Reading configuration execution exception {}",e);
+        }
+        throw new IllegalStateException("No data to return.");
+    }
+    @Override
+    public ListenerRegistration<DataChangeListener> registerDataChangeListener(InstanceIdentifier<? extends DataObject> path, DataChangeListener listener) {
+        CreateDataChangeEventSubscriptionInputBuilder inputBuilder = new CreateDataChangeEventSubscriptionInputBuilder();
+        Future<RpcResult<CreateDataChangeEventSubscriptionOutput>> rpcResultFuture =  salRemoteService.createDataChangeEventSubscription(inputBuilder.setPath(path).build());
+        String streamName = "";
+        try {
+            if (rpcResultFuture.get().isSuccessful()){
+                streamName = rpcResultFuture.get().getResult().getStreamName();
+            }
+        } catch (InterruptedException e) {
+            logger.trace("Interupted while getting rpc result due to {}",e);
+        } catch (ExecutionException e) {
+            logger.trace("Execution exception while getting rpc result due to {}",e);
+        }
+        final Map<String,EventStreamInfo> desiredEventStream = RemoteStreamTools.createEventStream(restconfClientContext,streamName);
+        ListenableEventStreamContext restConfListenableEventStreamContext = restconfClientContext.getEventStreamContext(desiredEventStream.get(streamName));
+        RemoteDataChangeNotificationListener remoteDataChangeNotificationListener = new RemoteDataChangeNotificationListener(listener);
+        restConfListenableEventStreamContext.registerNotificationListener(remoteDataChangeNotificationListener);
+        return new SalRemoteDataListenerRegistration(listener);
+    }
+
+    private class SalRemoteDataListenerRegistration implements ListenerRegistration<DataChangeListener> {
+        private DataChangeListener dataChangeListener;
+        public SalRemoteDataListenerRegistration(DataChangeListener dataChangeListener){
+            this.dataChangeListener = dataChangeListener;
+        }
+        @Override
+        public DataChangeListener getInstance() {
+            return this.dataChangeListener;
+        }
+        @Override
+        public void close() throws Exception {
+            //noop
+        }
+    }
+}