content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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.alibaba.csp.sentinel.datasource;
  
  /**
   * Interface of writable data source support.
   *
   * @author Eric Zhao
   * @since 0.2.0
   */
  public interface WritableDataSource<T> {
  
      /**
       * Write the {@code value} to the data source.
       *
       * @param value value to write
       * @throws Exception IO or other error occurs
       */
      void write(T value) throws Exception;
  
      /**
       * Close the data source.
       *
       * @throws Exception IO or other error occurs
       */
      void close() throws Exception;
  }
  