Merge "Bug 460 - Fix warning throughout netconf subsystem"
[controller.git] / opendaylight / netconf / netconf-impl / src / main / java / org / opendaylight / controller / netconf / impl / osgi / NetconfOperationRouterImpl.java
index 80ba8388efe6671275bdfadc67d7b07979d1f6f2..ff96ad779fbc974539ced455494129381bb09635 100644 (file)
@@ -11,16 +11,15 @@ import com.google.common.base.Preconditions;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
 import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
-import org.opendaylight.controller.netconf.api.NetconfOperationRouter;
-import org.opendaylight.controller.netconf.api.NetconfSession;
 import org.opendaylight.controller.netconf.impl.DefaultCommitNotificationProducer;
+import org.opendaylight.controller.netconf.impl.NetconfServerSession;
 import org.opendaylight.controller.netconf.impl.mapping.CapabilityProvider;
 import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultCloseSession;
 import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultCommit;
 import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultGetSchema;
+import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultNetconfOperation;
 import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultStartExi;
 import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultStopExi;
-import org.opendaylight.controller.netconf.mapping.api.DefaultNetconfOperation;
 import org.opendaylight.controller.netconf.mapping.api.HandlingPriority;
 import org.opendaylight.controller.netconf.mapping.api.NetconfOperation;
 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationChainedExecution;
@@ -34,6 +33,7 @@ import org.w3c.dom.Document;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Map;
+import java.util.NavigableMap;
 import java.util.Set;
 import java.util.TreeMap;
 
@@ -84,7 +84,7 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
         for (NetconfOperationService netconfOperationService : netconfOperationServiceSnapshot.getServices()) {
             final Set<NetconfOperation> netOpsFromService = netconfOperationService.getNetconfOperations();
             for (NetconfOperation netconfOperation : netOpsFromService) {
-                Preconditions.checkState(result.contains(netconfOperation) == false,
+                Preconditions.checkState(!result.contains(netconfOperation),
                         "Netconf operation %s already present", netconfOperation);
                 result.add(netconfOperation);
             }
@@ -94,13 +94,14 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
 
     @Override
     public synchronized Document onNetconfMessage(Document message,
-            NetconfSession session) throws NetconfDocumentedException {
+            NetconfServerSession session) throws NetconfDocumentedException {
         Preconditions.checkNotNull(allNetconfOperations, "Operation router was not initialized properly");
 
         NetconfOperationExecution netconfOperationExecution;
-        String messageAsString = XmlUtil.toString(message);
 
+        String messageAsString = "";
         try {
+            messageAsString = XmlUtil.toString(message);
             netconfOperationExecution = getNetconfOperationWithHighestPriority(message, session);
         } catch (IllegalArgumentException | IllegalStateException e) {
             logger.warn("Unable to handle rpc {} on session {}", messageAsString, session, e);
@@ -154,20 +155,20 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
     }
 
     private NetconfOperationExecution getNetconfOperationWithHighestPriority(
-            Document message, NetconfSession session) {
+            Document message, NetconfServerSession session) throws NetconfDocumentedException {
 
-        TreeMap<HandlingPriority, NetconfOperation> sortedByPriority = getSortedNetconfOperationsWithCanHandle(
+        NavigableMap<HandlingPriority, NetconfOperation> sortedByPriority = getSortedNetconfOperationsWithCanHandle(
                 message, session);
 
         Preconditions.checkArgument(sortedByPriority.isEmpty() == false,
-                "No %s available to handleWithNoSubsequentOperations message %s", NetconfOperation.class.getName(),
+                "No %s available to handle message %s", NetconfOperation.class.getName(),
                 XmlUtil.toString(message));
 
         return NetconfOperationExecution.createExecutionChain(sortedByPriority, sortedByPriority.lastKey());
     }
 
     private TreeMap<HandlingPriority, NetconfOperation> getSortedNetconfOperationsWithCanHandle(Document message,
-            NetconfSession session) {
+            NetconfServerSession session) throws NetconfDocumentedException {
         TreeMap<HandlingPriority, NetconfOperation> sortedPriority = Maps.newTreeMap();
 
         for (NetconfOperation netconfOperation : allNetconfOperations) {
@@ -175,9 +176,9 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
             if (netconfOperation instanceof DefaultNetconfOperation) {
                 ((DefaultNetconfOperation) netconfOperation).setNetconfSession(session);
             }
-            if (handlingPriority.equals(HandlingPriority.CANNOT_HANDLE) == false) {
+            if (!handlingPriority.equals(HandlingPriority.CANNOT_HANDLE)) {
 
-                Preconditions.checkState(sortedPriority.containsKey(handlingPriority) == false,
+                Preconditions.checkState(!sortedPriority.containsKey(handlingPriority),
                         "Multiple %s available to handle message %s with priority %s",
                         NetconfOperation.class.getName(), message, handlingPriority);
                 sortedPriority.put(handlingPriority, netconfOperation);
@@ -186,6 +187,21 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
         return sortedPriority;
     }
 
+    public static final NetconfOperationChainedExecution EXECUTION_TERMINATION_POINT = new NetconfOperationChainedExecution() {
+        @Override
+        public boolean isExecutionTermination() {
+            return true;
+        }
+
+        @Override
+        public Document execute(Document requestMessage) throws NetconfDocumentedException {
+            throw new NetconfDocumentedException("This execution represents the termination point in operation execution and cannot be executed itself",
+                    NetconfDocumentedException.ErrorType.application,
+                    NetconfDocumentedException.ErrorTag.operation_failed,
+                    NetconfDocumentedException.ErrorSeverity.error);
+        }
+    };
+
     private static class NetconfOperationExecution implements NetconfOperationChainedExecution {
         private final NetconfOperation netconfOperation;
         private NetconfOperationChainedExecution subsequentExecution;
@@ -206,7 +222,7 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
         }
 
         public static NetconfOperationExecution createExecutionChain(
-                TreeMap<HandlingPriority, NetconfOperation> sortedByPriority, HandlingPriority handlingPriority) {
+                NavigableMap<HandlingPriority, NetconfOperation> sortedByPriority, HandlingPriority handlingPriority) {
             NetconfOperation netconfOperation = sortedByPriority.get(handlingPriority);
             HandlingPriority subsequentHandlingPriority = sortedByPriority.lowerKey(handlingPriority);