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.type.codec.registry;
  
  import com.datastax.oss.driver.api.core.type.codec.TypeCodec;
  
  /**
   * A codec registry that can be extended with new user codecs at runtime.
   *
   * <p>This interface only exists to preserve backward compatibility. In practice, the default {@link
   * CodecRegistry} implementation returned by the driver implements this interface, so it can safely
   * be cast.
   *
   * <p>However {@link CodecRegistry#DEFAULT} is immutable. It implements this interface, but {@link
   * #register(TypeCodec)} throws an {@link UnsupportedOperationException}.
   *
   * @since 4.3.0
   */
  public interface MutableCodecRegistry extends CodecRegistry {
  
    /**
     * Adds the given codec to the registry.
     *
     * <p>This method will log a warning and ignore the codec if it collides with one already present
     * in the registry. Note that the driver's built-in implementation uses internal synchronization
     * to guarantee that two threads cannot register colliding codecs concurrently; registration is
     * not expected to happen in a very concurrent manner, so this should not pose a performance
     * issue.
     */
    void register(TypeCodec<?> codec);
  
    /** Invokes {@link #register(TypeCodec)} for every codec in the given list. */
    default void register(TypeCodec<?>... codecs) {
      for (TypeCodec<?> codec : codecs) {
        register(codec);
      }
    }
  
    /** Invokes {@link #register(TypeCodec)} for every codec in the given list. */
    default void register(Iterable<TypeCodec<?>> codecs) {
      for (TypeCodec<?> codec : codecs) {
        register(codec);
      }
    }
  }
  