X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FStandaloneFrontendHistory.java;h=4ac3f9c1ed324d8c629c1f774866cdd618da8c80;hb=f0e8f9a9547dca1e232a7e8d3912a86de69bcc6a;hp=3d4e373f33b926309236beb0c29ff2f146524651;hpb=731e7284cf0895fdb1b89427f91762e80e67c2ff;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/StandaloneFrontendHistory.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/StandaloneFrontendHistory.java
index 3d4e373f33..4ac3f9c1ed 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/StandaloneFrontendHistory.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/StandaloneFrontendHistory.java
@@ -7,7 +7,8 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.RangeSet;
 import com.google.common.collect.TreeRangeSet;
@@ -16,9 +17,9 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;
 import java.util.SortedSet;
+import org.eclipse.jdt.annotation.NonNull;
 import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
 import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier;
-import org.opendaylight.controller.cluster.access.concepts.RequestException;
 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
 
@@ -37,16 +38,16 @@ final class StandaloneFrontendHistory extends AbstractFrontendHistory {
             final RangeSet<UnsignedLong> purgedTransactions) {
         super(persistenceId, tree, closedTransactions, purgedTransactions);
         this.identifier = new LocalHistoryIdentifier(clientId, 0);
-        this.tree = Preconditions.checkNotNull(tree);
+        this.tree = requireNonNull(tree);
     }
 
-    static StandaloneFrontendHistory create(final String persistenceId, final ClientIdentifier clientId,
+    static @NonNull StandaloneFrontendHistory create(final String persistenceId, final ClientIdentifier clientId,
             final ShardDataTree tree) {
         return new StandaloneFrontendHistory(persistenceId, clientId, tree, ImmutableMap.of(),
             TreeRangeSet.create());
     }
 
-    static StandaloneFrontendHistory recreate(final String persistenceId, final ClientIdentifier clientId,
+    static @NonNull StandaloneFrontendHistory recreate(final String persistenceId, final ClientIdentifier clientId,
             final ShardDataTree tree, final Map<UnsignedLong, Boolean> closedTransactions,
             final RangeSet<UnsignedLong> purgedTransactions) {
         return new StandaloneFrontendHistory(persistenceId, clientId, tree, new HashMap<>(closedTransactions),
@@ -59,18 +60,17 @@ final class StandaloneFrontendHistory extends AbstractFrontendHistory {
     }
 
     @Override
-    FrontendTransaction createOpenSnapshot(final TransactionIdentifier id) throws RequestException {
+    FrontendTransaction createOpenSnapshot(final TransactionIdentifier id) {
         return FrontendReadOnlyTransaction.create(this, tree.newReadOnlyTransaction(id));
     }
 
     @Override
-    FrontendTransaction createOpenTransaction(final TransactionIdentifier id) throws RequestException {
+    FrontendTransaction createOpenTransaction(final TransactionIdentifier id) {
         return FrontendReadWriteTransaction.createOpen(this, tree.newReadWriteTransaction(id));
     }
 
     @Override
-    FrontendTransaction createReadyTransaction(final TransactionIdentifier id, final DataTreeModification mod)
-            throws RequestException {
+    FrontendTransaction createReadyTransaction(final TransactionIdentifier id, final DataTreeModification mod) {
         return FrontendReadWriteTransaction.createReady(this, id, mod);
     }