content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.datastax.oss.driver.api.core.cql;
  
  /**
   * The type of a batch.
   *
   * <p>The only reason to model this as an interface (as opposed to an enum type) is to accommodate
   * for custom protocol extensions. If you're connecting to a standard Apache Cassandra cluster, all
   * {@code BatchType}s are {@link DefaultBatchType} instances.
   */
  public interface BatchType {
  
    BatchType LOGGED = DefaultBatchType.LOGGED;
    BatchType UNLOGGED = DefaultBatchType.UNLOGGED;
    BatchType COUNTER = DefaultBatchType.COUNTER;
  
    /** The numerical value that the batch type is encoded to. */
    byte getProtocolCode();
  
    // Implementation note: we don't have a "BatchTypeRegistry" because we never decode batch types.
    // This can be added later if needed (see ConsistencyLevelRegistry for an example).
  }
  