X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-rest-connector%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fsal%2Frestconf%2Fimpl%2FBrokerFacade.java;h=a2c228788f3a27659ae5a2db56f31dfb136d8886;hp=062d03a49f56e12ca6bb178fa39303b78fc059da;hb=484151212f586dd533984a11063c92799c414ec8;hpb=ec82a960337ba51c2e896863a668dcf8fbcfcb6b

diff --git a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/BrokerFacade.java b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/BrokerFacade.java
index 062d03a49f..a2c228788f 100644
--- a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/BrokerFacade.java
+++ b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/BrokerFacade.java
@@ -7,12 +7,13 @@
  */
 package org.opendaylight.controller.sal.restconf.impl;
 
+import com.google.common.util.concurrent.Futures;
+import java.util.Collections;
 import java.util.concurrent.Future;
-
 import javax.ws.rs.core.Response.Status;
-
 import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
 import org.opendaylight.controller.md.sal.common.api.data.DataReader;
+import org.opendaylight.controller.sal.common.util.Rpcs;
 import org.opendaylight.controller.sal.core.api.Broker.ConsumerSession;
 import org.opendaylight.controller.sal.core.api.data.DataBrokerService;
 import org.opendaylight.controller.sal.core.api.data.DataChangeListener;
@@ -23,6 +24,7 @@ import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorType;
 import org.opendaylight.controller.sal.streams.listeners.ListenerAdapter;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
 import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.RpcError;
 import org.opendaylight.yangtools.yang.common.RpcResult;
 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
@@ -30,7 +32,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public class BrokerFacade implements DataReader<InstanceIdentifier, CompositeNode> {
-    private final static Logger LOG = LoggerFactory.getLogger( BrokerFacade.class );
+    private final static Logger LOG = LoggerFactory.getLogger(BrokerFacade.class);
 
     private final static BrokerFacade INSTANCE = new BrokerFacade();
 
@@ -40,11 +42,11 @@ public class BrokerFacade implements DataReader<InstanceIdentifier, CompositeNod
     private BrokerFacade() {
     }
 
-    public void setContext( final ConsumerSession context ) {
+    public void setContext(final ConsumerSession context) {
         this.context = context;
     }
 
-    public void setDataService( final DataBrokerService dataService ) {
+    public void setDataService(final DataBrokerService dataService) {
         this.dataService = dataService;
     }
 
@@ -53,141 +55,145 @@ public class BrokerFacade implements DataReader<InstanceIdentifier, CompositeNod
     }
 
     private void checkPreconditions() {
-        if( context == null || dataService == null ) {
-            throw new RestconfDocumentedException( Status.SERVICE_UNAVAILABLE );
+        if (context == null || dataService == null) {
+            throw new RestconfDocumentedException(Status.SERVICE_UNAVAILABLE);
         }
     }
 
     @Override
-    public CompositeNode readConfigurationData( final InstanceIdentifier path ) {
+    public CompositeNode readConfigurationData(final InstanceIdentifier path) {
         this.checkPreconditions();
 
-        LOG.trace( "Read Configuration via Restconf: {}", path );
+        LOG.trace("Read Configuration via Restconf: {}", path);
 
-        return dataService.readConfigurationData( path );
+        return dataService.readConfigurationData(path);
     }
 
-    public CompositeNode readConfigurationDataBehindMountPoint( final MountInstance mountPoint,
-                                                                final InstanceIdentifier path ) {
+    public CompositeNode readConfigurationDataBehindMountPoint(final MountInstance mountPoint,
+            final InstanceIdentifier path) {
         this.checkPreconditions();
 
-        LOG.trace( "Read Configuration via Restconf: {}", path );
+        LOG.trace("Read Configuration via Restconf: {}", path);
 
-        return mountPoint.readConfigurationData( path );
+        return mountPoint.readConfigurationData(path);
     }
 
     @Override
-    public CompositeNode readOperationalData( final InstanceIdentifier path ) {
+    public CompositeNode readOperationalData(final InstanceIdentifier path) {
         this.checkPreconditions();
 
-        BrokerFacade.LOG.trace( "Read Operational via Restconf: {}", path );
+        BrokerFacade.LOG.trace("Read Operational via Restconf: {}", path);
 
-        return dataService.readOperationalData( path );
+        return dataService.readOperationalData(path);
     }
 
-    public CompositeNode readOperationalDataBehindMountPoint( final MountInstance mountPoint,
-                                                              final InstanceIdentifier path ) {
+    public CompositeNode readOperationalDataBehindMountPoint(final MountInstance mountPoint,
+            final InstanceIdentifier path) {
         this.checkPreconditions();
 
-        BrokerFacade.LOG.trace( "Read Operational via Restconf: {}", path );
+        BrokerFacade.LOG.trace("Read Operational via Restconf: {}", path);
 
-        return mountPoint.readOperationalData( path );
+        return mountPoint.readOperationalData(path);
     }
 
-    public Future<RpcResult<CompositeNode>> invokeRpc( final QName type, final CompositeNode payload ) {
+    public Future<RpcResult<CompositeNode>> invokeRpc(final QName type, final CompositeNode payload) {
         this.checkPreconditions();
 
-        return context.rpc( type, payload );
+        return context.rpc(type, payload);
     }
 
-    public Future<RpcResult<TransactionStatus>> commitConfigurationDataPut( final InstanceIdentifier path,
-                                                                            final CompositeNode payload ) {
+    public Future<RpcResult<TransactionStatus>> commitConfigurationDataPut(final InstanceIdentifier path,
+            final CompositeNode payload) {
         this.checkPreconditions();
 
         final DataModificationTransaction transaction = dataService.beginTransaction();
-        BrokerFacade.LOG.trace( "Put Configuration via Restconf: {}", path );
-        transaction.putConfigurationData( path, payload );
+        BrokerFacade.LOG.trace("Put Configuration via Restconf: {}", path);
+        transaction.putConfigurationData(path, payload);
         return transaction.commit();
     }
 
     public Future<RpcResult<TransactionStatus>> commitConfigurationDataPutBehindMountPoint(
-            final MountInstance mountPoint, final InstanceIdentifier path, final CompositeNode payload ) {
+            final MountInstance mountPoint, final InstanceIdentifier path, final CompositeNode payload) {
         this.checkPreconditions();
 
         final DataModificationTransaction transaction = mountPoint.beginTransaction();
-        BrokerFacade.LOG.trace( "Put Configuration via Restconf: {}", path );
-        transaction.putConfigurationData( path, payload );
+        BrokerFacade.LOG.trace("Put Configuration via Restconf: {}", path);
+        transaction.putConfigurationData(path, payload);
         return transaction.commit();
     }
 
-    public Future<RpcResult<TransactionStatus>> commitConfigurationDataPost( final InstanceIdentifier path,
-                                                                             final CompositeNode payload) {
+    public Future<RpcResult<TransactionStatus>> commitConfigurationDataPost(final InstanceIdentifier path,
+            final CompositeNode payload) {
         this.checkPreconditions();
 
         final DataModificationTransaction transaction = dataService.beginTransaction();
         /* check for available Node in Configuration DataStore by path */
-        CompositeNode availableNode = transaction.readConfigurationData( path );
+        CompositeNode availableNode = transaction.readConfigurationData(path);
         if (availableNode != null) {
             String errMsg = "Post Configuration via Restconf was not executed because data already exists";
             BrokerFacade.LOG.warn((new StringBuilder(errMsg)).append(" : ").append(path).toString());
 
-            throw new RestconfDocumentedException(
-                    "Data already exists for path: " + path, ErrorType.PROTOCOL, ErrorTag.DATA_EXISTS );
+            throw new RestconfDocumentedException("Data already exists for path: " + path, ErrorType.PROTOCOL,
+                    ErrorTag.DATA_EXISTS);
         }
-        BrokerFacade.LOG.trace( "Post Configuration via Restconf: {}", path );
-        transaction.putConfigurationData( path, payload );
+        BrokerFacade.LOG.trace("Post Configuration via Restconf: {}", path);
+        transaction.putConfigurationData(path, payload);
         return transaction.commit();
     }
 
     public Future<RpcResult<TransactionStatus>> commitConfigurationDataPostBehindMountPoint(
-            final MountInstance mountPoint, final InstanceIdentifier path, final CompositeNode payload ) {
+            final MountInstance mountPoint, final InstanceIdentifier path, final CompositeNode payload) {
         this.checkPreconditions();
 
         final DataModificationTransaction transaction = mountPoint.beginTransaction();
         /* check for available Node in Configuration DataStore by path */
-        CompositeNode availableNode = transaction.readConfigurationData( path );
+        CompositeNode availableNode = transaction.readConfigurationData(path);
         if (availableNode != null) {
             String errMsg = "Post Configuration via Restconf was not executed because data already exists";
             BrokerFacade.LOG.warn((new StringBuilder(errMsg)).append(" : ").append(path).toString());
 
-            throw new RestconfDocumentedException(
-                    "Data already exists for path: " + path, ErrorType.PROTOCOL, ErrorTag.DATA_EXISTS );
+            throw new RestconfDocumentedException("Data already exists for path: " + path, ErrorType.PROTOCOL,
+                    ErrorTag.DATA_EXISTS);
         }
-        BrokerFacade.LOG.trace( "Post Configuration via Restconf: {}", path );
-        transaction.putConfigurationData( path, payload );
+        BrokerFacade.LOG.trace("Post Configuration via Restconf: {}", path);
+        transaction.putConfigurationData(path, payload);
         return transaction.commit();
     }
 
-    public Future<RpcResult<TransactionStatus>> commitConfigurationDataDelete( final InstanceIdentifier path ) {
+    public Future<RpcResult<TransactionStatus>> commitConfigurationDataDelete(final InstanceIdentifier path) {
         this.checkPreconditions();
-
-        final DataModificationTransaction transaction = dataService.beginTransaction();
-        LOG.info( "Delete Configuration via Restconf: {}", path );
-        transaction.removeConfigurationData( path );
-        return transaction.commit();
+        return deleteDataAtTarget(path, dataService.beginTransaction());
     }
 
     public Future<RpcResult<TransactionStatus>> commitConfigurationDataDeleteBehindMountPoint(
-                                          final MountInstance mountPoint, final InstanceIdentifier path ) {
+            final MountInstance mountPoint, final InstanceIdentifier path) {
         this.checkPreconditions();
+        return deleteDataAtTarget(path, mountPoint.beginTransaction());
+    }
 
-        final DataModificationTransaction transaction = mountPoint.beginTransaction();
-        LOG.info( "Delete Configuration via Restconf: {}", path );
-        transaction.removeConfigurationData( path );
+    private Future<RpcResult<TransactionStatus>> deleteDataAtTarget(final InstanceIdentifier path,
+            final DataModificationTransaction transaction) {
+        LOG.info("Delete Configuration via Restconf: {}", path);
+        CompositeNode redDataAtPath = transaction.readConfigurationData(path);
+        if (redDataAtPath == null) {
+            return Futures.immediateFuture(Rpcs.<TransactionStatus> getRpcResult(true, TransactionStatus.COMMITED,
+                    Collections.<RpcError> emptyList()));
+        }
+        transaction.removeConfigurationData(path);
         return transaction.commit();
     }
 
-    public void registerToListenDataChanges( final ListenerAdapter listener ) {
+    public void registerToListenDataChanges(final ListenerAdapter listener) {
         this.checkPreconditions();
 
-        if( listener.isListening() ) {
+        if (listener.isListening()) {
             return;
         }
 
         InstanceIdentifier path = listener.getPath();
-        final ListenerRegistration<DataChangeListener> registration =
-                                             dataService.registerDataChangeListener( path, listener );
+        final ListenerRegistration<DataChangeListener> registration = dataService.registerDataChangeListener(path,
+                listener);
 
-        listener.setRegistration( registration );
+        listener.setRegistration(registration);
     }
 }