BUG-5280: implement backend message handling

[controller.git] / opendaylight / md-sal / cds-access-api / src / main / java / org / opendaylight / controller / cluster / access / commands / LocalHistoryRequest.java

diff --git a/opendaylight/md-sal/cds-access-api/src/main/java/org/opendaylight/controller/cluster/access/commands/LocalHistoryRequest.java b/opendaylight/md-sal/cds-access-api/src/main/java/org/opendaylight/controller/cluster/access/commands/LocalHistoryRequest.java
index c74711618cd9533b23119ff50b5ba3feb402eaf4..2955ed2b65eeac88e8dd9dd8d28a2ad42ff774d9 100644 (file)
--- a/opendaylight/md-sal/cds-access-api/src/main/java/org/opendaylight/controller/cluster/access/commands/LocalHistoryRequest.java
+++ b/opendaylight/md-sal/cds-access-api/src/main/java/org/opendaylight/controller/cluster/access/commands/LocalHistoryRequest.java
@@ -9,6 +9,7 @@ package org.opendaylight.controller.cluster.access.commands;
 
 import akka.actor.ActorRef;
 import com.google.common.annotations.Beta;
+import com.google.common.base.Preconditions;
 import org.opendaylight.controller.cluster.access.ABIVersion;
 import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier;
 import org.opendaylight.controller.cluster.access.concepts.Request;
@@ -28,6 +29,7 @@ public abstract class LocalHistoryRequest<T extends LocalHistoryRequest<T>> exte
 
     LocalHistoryRequest(final LocalHistoryIdentifier target, final long sequence, final ActorRef replyTo) {
         super(target, sequence, replyTo);
+        Preconditions.checkArgument(target.getHistoryId() != 0, "History identifier must be non-zero");
     }
 
     LocalHistoryRequest(final T request, final ABIVersion version) {