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.weex.appfram.storage;
  
  import java.util.Map;
  import org.apache.weex.InitConfig;
  
  /**
   * interface for {@link WXStorageModule} class.
   * this interface works as an adapter for different storage strategy.
   * the default is use {@link android.database.sqlite.SQLiteDatabase} to store k-v pairs.
   * You can call {@link InitConfig.Builder#setStorageAdapter(IWXStorageAdapter)} to inject your own
   * storage implementation.
   * */
  public interface IWXStorageAdapter {
      void setItem(String key, String value,OnResultReceivedListener listener);
  
      void getItem(String key,OnResultReceivedListener listener);
  
      void removeItem(String key,OnResultReceivedListener listener);
  
      void length(OnResultReceivedListener listener);
  
      void getAllKeys(OnResultReceivedListener listener);
  
      void setItemPersistent(String key, String value, OnResultReceivedListener listener);
  
      void close();
  
      /**
       * the callback of storage operation.
       * */
      interface OnResultReceivedListener {
          void onReceived(Map<String,Object> data);
      }
  
  }
  