BUG 1211 - deletion non existing target returns 500
[controller.git] / opendaylight / md-sal / sal-rest-connector / src / main / java / org / opendaylight / controller / sal / restconf / impl / BrokerFacade.java
index 062d03a..3d047dd 100644 (file)
@@ -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;
@@ -160,20 +162,24 @@ public class BrokerFacade implements DataReader<InstanceIdentifier, CompositeNod
 
     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 ) {
         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();
     }
 

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