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 org.apache.distributedlog.selector;
  
  import org.apache.distributedlog.LogRecordWithDLSN;
  
  /**
   * Visitor interface to process a set of records, and return some result.
   */
  public interface LogRecordSelector {
      /**
       * Process a given <code>record</code>.
       *
       * @param record
       *          log record to process
       */
      void process(LogRecordWithDLSN record);
  
      /**
       * Returned the selected log record after processing a set of records.
       *
       * @return the selected log record.
       */
      LogRecordWithDLSN result();
  }
  