Change RpcImplementation contract to asynchronous

[controller.git] / opendaylight / md-sal / sal-netconf-connector / src / main / java / org / opendaylight / controller / sal / connect / netconf / NetconfRemoteSchemaSourceProvider.java

diff --git a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/NetconfRemoteSchemaSourceProvider.java b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/NetconfRemoteSchemaSourceProvider.java
index 12be689cb94fdd94f9df329d9cf7162ca250625c..193272660031d8d62d59942290349c900231cf2c 100644 (file)
--- a/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/NetconfRemoteSchemaSourceProvider.java
+++ b/opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/NetconfRemoteSchemaSourceProvider.java
@@ -1,8 +1,15 @@
+/*
+ * Copyright (c) 2014 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.connect.netconf;
 
 import java.util.Set;
+import java.util.concurrent.ExecutionException;
 
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.NetconfState;
 import org.opendaylight.yangtools.yang.common.QName;
 import org.opendaylight.yangtools.yang.common.RpcResult;
 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
@@ -12,7 +19,6 @@ import org.opendaylight.yangtools.yang.data.impl.util.CompositeNodeBuilder;
 import org.opendaylight.yangtools.yang.model.util.repo.SchemaSourceProvider;
 
 import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
 
 class NetconfRemoteSchemaSourceProvider implements SchemaSourceProvider<String> {
 
@@ -38,16 +44,20 @@ class NetconfRemoteSchemaSourceProvider implements SchemaSourceProvider<String>
             request.addLeaf("version", revision.get());
         }
 
-        device.logger.info("Loading YANG schema source for {}:{}", moduleName, revision);
-        RpcResult<CompositeNode> schemaReply = device.invokeRpc(GET_SCHEMA_QNAME, request.toInstance());
-        if (schemaReply.isSuccessful()) {
-            String schemaBody = getSchemaFromRpc(schemaReply.getResult());
-            if (schemaBody != null) {
-                device.logger.info("YANG Schema successfully retrieved from remote for {}:{}", moduleName, revision);
-                return Optional.of(schemaBody);
+        device.logger.trace("Loading YANG schema source for {}:{}", moduleName, revision);
+        try {
+            RpcResult<CompositeNode> schemaReply = device.invokeRpc(GET_SCHEMA_QNAME, request.toInstance()).get();
+            if (schemaReply.isSuccessful()) {
+                String schemaBody = getSchemaFromRpc(schemaReply.getResult());
+                if (schemaBody != null) {
+                    device.logger.trace("YANG Schema successfully retrieved from remote for {}:{}", moduleName, revision);
+                    return Optional.of(schemaBody);
+                }
             }
+            device.logger.warn("YANG shcema was not successfully retrieved.");
+        } catch (InterruptedException | ExecutionException e) {
+            device.logger.warn("YANG shcema was not successfully retrieved.", e);
         }
-        device.logger.info("YANG shcema was not successfully retrieved.");
         return Optional.absent();
     }
 
@@ -62,7 +72,7 @@ class NetconfRemoteSchemaSourceProvider implements SchemaSourceProvider<String>
         }
         return null;
     }
-    
+
     public static final boolean isSupportedFor(Set<QName> capabilities) {
         return capabilities.contains(IETF_NETCONF_MONITORING);
     }