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.alibaba.wasp.storage;
  
  import com.alibaba.wasp.PrimaryKeyAlreadyExistsException;
  import com.alibaba.wasp.plan.action.DeleteAction;
  import com.alibaba.wasp.plan.action.InsertAction;
  import com.alibaba.wasp.plan.action.UpdateAction;
  import org.apache.hadoop.hbase.client.Delete;
  import org.apache.hadoop.hbase.client.Get;
  import org.apache.hadoop.hbase.client.Put;
  import org.apache.hadoop.hbase.client.Result;
  import org.apache.hadoop.hbase.util.Bytes;
  
  import java.io.IOException;
  
  /**
   * 
  */
  public class StorageServicesImpl implements StorageServices {
  
    StorageActionManager actionManager;
  
    public StorageServicesImpl(StorageActionManager actionManager) {
      this.actionManager = actionManager;
    }
  
    @Override
    public Result getRow(String entityTableName, Get get) throws IOException,
        StorageTableNotFoundException {
      return actionManager.get(entityTableName, get);
    }
  
    @Override
    public void putRow(String entityTableName, Put put) throws IOException,
        StorageTableNotFoundException {
      actionManager.put(entityTableName, put);
    }
  
    @Override
    public void deleteRow(String entityTableName, Delete delete)
        throws IOException, StorageTableNotFoundException {
      actionManager.delete(entityTableName, delete);
    }
  
    @Override
    public void checkRowExistsBeforeInsert(InsertAction insert,
        String entityTableName, Put entityPut) throws IOException,
        StorageTableNotFoundException {
      if (actionManager.exits(entityTableName, new Get(entityPut.getRow()))) {
        throw new PrimaryKeyAlreadyExistsException(Bytes.toString(insert
            .getCombinedPrimaryKey()));
      }
    }
  
    @Override
    public Result getRowBeforeUpdate(UpdateAction update, String entityTableName,
        Get get) throws IOException, StorageTableNotFoundException {
      Result result = actionManager.get(entityTableName, get);
      return result;
    }
  
    /*
     * (non-Javadoc)
     * 
     * @see
     * com.alibaba.wasp.storage.StorageServices#getRowBeforeDelete(com.alibaba.wasp
     * .plan.action.DeleteAction, java.lang.String,
     * org.apache.hadoop.hbase.client.Get)
     */
    @Override
    public Result getRowBeforeDelete(DeleteAction delete, String entityTableName,
        Get get) throws IOException, StorageTableNotFoundException {
      Result result = actionManager.get(entityTableName, get);
      return result;
    }
  }