BUG-2138: Add shard DTO classes to spi

[mdsal.git] / dom / mdsal-dom-broker / src / main / java / org / opendaylight / mdsal / dom / broker / ProducerLayout.java

diff --git a/dom/mdsal-dom-broker/src/main/java/org/opendaylight/mdsal/dom/broker/ProducerLayout.java b/dom/mdsal-dom-broker/src/main/java/org/opendaylight/mdsal/dom/broker/ProducerLayout.java
index fccf22ddb8d6d6ded0ccddce39eaa343d42abf8b..059b322436d1106d9d86d62235daa8e4730cc1da 100644 (file)
--- a/dom/mdsal-dom-broker/src/main/java/org/opendaylight/mdsal/dom/broker/ProducerLayout.java
+++ b/dom/mdsal-dom-broker/src/main/java/org/opendaylight/mdsal/dom/broker/ProducerLayout.java
@@ -23,9 +23,9 @@ import java.util.Set;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeProducer;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeShard;
-import org.opendaylight.mdsal.dom.store.inmemory.DOMDataTreeShardProducer;
-import org.opendaylight.mdsal.dom.store.inmemory.DOMDataTreeShardWriteTransaction;
-import org.opendaylight.mdsal.dom.store.inmemory.WriteableDOMDataTreeShard;
+import org.opendaylight.mdsal.dom.spi.shard.DOMDataTreeShardProducer;
+import org.opendaylight.mdsal.dom.spi.shard.DOMDataTreeShardWriteTransaction;
+import org.opendaylight.mdsal.dom.spi.shard.WriteableDOMDataTreeShard;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
 import org.slf4j.Logger;
@@ -130,6 +130,8 @@ final class ProducerLayout {
     }
 
     Map<DOMDataTreeIdentifier, DOMDataTreeShardWriteTransaction> createTransactions() {
+        Preconditions.checkState(!idToProducer.isEmpty(),
+                "Cannot create transaction since the producer is not mapped to any shard");
         return Maps.transformValues(idToProducer, DOMDataTreeShardProducer::createTransaction);
     }
 }