content: package org.apache.solr.schema;
  /**
   * 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.
   */
  
  
  /**
  * An interface that can be extended to provide a callback mechanism for
  * informing an {@link IndexSchema} instance of changes to it, dynamically
  * performed at runtime.
  *
  * @since SOLR-1131
   *
   **/
  public interface SchemaAware {
    /**
     * Informs the {@link IndexSchema} provided by the <code>schema</code>
     * parameter of an event (e.g., a new {@link FieldType} was added, etc.
     *
     * @param schema
     *          The {@link IndexSchema} instance that inform of the update to.
     *
     * @since SOLR-1131
     */
    public void inform(IndexSchema schema);
  }
  