Bug 509: Improve logging in InMemoryDataStore.

[controller.git] / opendaylight / md-sal / sal-dom-broker / src / main / java / org / opendaylight / controller / md / sal / dom / store / impl / SchemaAwareApplyOperation.java

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/SchemaAwareApplyOperation.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/SchemaAwareApplyOperation.java
index 00727347eea95f7378ebc53fc9cf97d3cc7fc7f5..dd7eb3f71b68012b497bee6b5fb2119bcf9455c9 100644 (file)
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/SchemaAwareApplyOperation.java
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/SchemaAwareApplyOperation.java
@@ -45,6 +45,7 @@ import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
 
 import com.google.common.base.Function;
 import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
@@ -153,6 +154,7 @@ public abstract class SchemaAwareApplyOperation implements ModificationApplyOper
         case DELETE:
             return modification.storeSnapshot(Optional.<StoreMetadataNode>absent());
         case SUBTREE_MODIFIED:
+            Preconditions.checkArgument(currentMeta.isPresent(),"Metadata not available for modification",modification);
             return modification.storeSnapshot(Optional.of(applySubtreeChange(modification, currentMeta.get(), subtreeVersion)));
         case WRITE:
             return modification.storeSnapshot(Optional.of(applyWrite(modification, currentMeta, subtreeVersion)));