sal-restconf-broker initial implementation

[controller.git] / opendaylight / md-sal / sal-restconf-broker / src / main / java / org / opendaylight / controller / sal / restconf / broker / tools / RemoteStreamTools.java

diff --git a/opendaylight/md-sal/sal-restconf-broker/src/main/java/org/opendaylight/controller/sal/restconf/broker/tools/RemoteStreamTools.java b/opendaylight/md-sal/sal-restconf-broker/src/main/java/org/opendaylight/controller/sal/restconf/broker/tools/RemoteStreamTools.java
new file mode 100644 (file)
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--- /dev/null
+++ b/opendaylight/md-sal/sal-restconf-broker/src/main/java/org/opendaylight/controller/sal/restconf/broker/tools/RemoteStreamTools.java
@@ -0,0 +1,71 @@
+/*
+ * 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.tools;
+
+import com.google.common.util.concurrent.ListenableFuture;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.CreateNotificationStreamInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.CreateNotificationStreamOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.QName;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.remote.rev140114.SalRemoteService;
+import org.opendaylight.yangtools.restconf.client.api.RestconfClientContext;
+import org.opendaylight.yangtools.restconf.client.api.event.EventStreamInfo;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class RemoteStreamTools {
+    private static final Logger logger = LoggerFactory.getLogger(RemoteStreamTools.class.toString());
+
+    public static String createNotificationStream(SalRemoteService salRemoteService,List<QName> notifications){
+        CreateNotificationStreamInputBuilder notificationStreamInputBuilder = new CreateNotificationStreamInputBuilder();
+
+        if (null == notifications){
+            notificationStreamInputBuilder.setNotifications(notifications);
+        }
+
+        Future<RpcResult<CreateNotificationStreamOutput>> notificationStream = salRemoteService.createNotificationStream(notificationStreamInputBuilder.build());
+
+        String nofiticationStreamIdentifier = "";
+        try {
+            if (notificationStream.get().isSuccessful()){
+                nofiticationStreamIdentifier  = notificationStream.get().getResult().getNotificationStreamIdentifier();
+            }
+        } catch (InterruptedException e) {
+            logger.trace("Interrupted while resolving notification stream identifier due to {}",e);
+        } catch (ExecutionException e) {
+            logger.trace("Execution exception while resolving notification stream identifier due to {}",e);
+        }
+        return nofiticationStreamIdentifier;
+    }
+
+    public static Map<String,EventStreamInfo> createEventStream(RestconfClientContext restconfClientContext, String desiredStreamName){
+        ListenableFuture<Set<EventStreamInfo>> availableEventStreams = restconfClientContext.getAvailableEventStreams();
+        final Map<String,EventStreamInfo> desiredEventStream = new HashMap<String,EventStreamInfo>();
+
+        try {
+            Iterator<EventStreamInfo> it = availableEventStreams.get().iterator();
+            while (it.hasNext()){
+                if (it.next().getIdentifier().equals(desiredStreamName)){
+                    desiredEventStream.put(desiredStreamName,it.next());
+                }
+            }
+        } catch (InterruptedException e) {
+            logger.trace("Resolving of event stream interrupted due to  {}",e);
+        } catch (ExecutionException e) {
+            logger.trace("Resolving of event stream failed due to {}",e);
+        }
+        return desiredEventStream;
+    }
+}