Add methods to MutationExecutorStandard for Hibernate reactive

Author: dreab8

hibernate-core/src/main/java/org/hibernate/engine/jdbc/mutation/internal/MutationExecutorStandard.java

@@ -170,11 +170,21 @@ public MutationExecutorStandard(
 		}
 	}
 
+	//Used by Hibernate Reactive
+	protected PreparedStatementGroup getBatchedPreparedStatementGroup() {
+		return this.batch != null ? this.batch.getStatementGroup() : null;
+	}
+
 	//Used by Hibernate Reactive
 	protected PreparedStatementGroup getNonBatchedStatementGroup() {
 		return nonBatchedStatementGroup;
 	}
 
+	//Used by Hibernate Reactive
+	protected List<SelfExecutingUpdateOperation> getSelfExecutingMutations() {
+		return selfExecutingMutations;
+	}
+
 	@Override
 	public JdbcValueBindings getJdbcValueBindings() {
 		return valueBindings;