Extend applicability of one-phase commit optimization

Author: brfrn169

core/src/main/java/com/scalar/db/transaction/consensuscommit/CommitHandler.java

@@ -60,9 +60,10 @@ public void commit(TransactionContext context)
   }
 
   @Override
-  boolean canOnePhaseCommit(TransactionContext context) throws CommitException {
+  boolean canOnePhaseCommit(ValidationInfo validationInfo, TransactionContext context)
+      throws CommitException {
     try {
-      return super.canOnePhaseCommit(context);
+      return super.canOnePhaseCommit(validationInfo, context);
     } catch (CommitException e) {
       cancelGroupCommitIfNeeded(context.transactionId);
       throw e;

core/src/main/java/com/scalar/db/transaction/consensuscommit/CommitHandlerWithGroupCommit.java

@@ -263,7 +263,7 @@ DistributedTransaction begin(
           "Setting different isolation level from the one in DatabaseConfig might cause unexpected "
               + "anomalies");
     }
-    Snapshot snapshot = new Snapshot(txId, isolation, tableMetadataManager, parallelExecutor);
+    Snapshot snapshot = new Snapshot(txId, tableMetadataManager);
     TransactionContext context =
         new TransactionContext(txId, snapshot, isolation, readOnly, oneOperation);
     DistributedTransaction transaction =