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.session;
  
  import com.alibaba.wasp.ReadModel;
  import com.alibaba.wasp.client.FClient;
  import com.alibaba.wasp.jdbc.command.CommandInterface;
  
  import java.io.Closeable;
  import java.io.IOException;
  import java.util.List;
  
  /**
   * A local or remote session. A session represents a database connection.
   */
  public interface SessionInterface extends Closeable {
  
    /**
     * Roll back pending transactions and close the session.
     */
    public void close() throws IOException;
  
    /**
     * Check if close was called.
     * 
     * @return if the session has been closed
     */
    public boolean isClosed();
  
    CommandInterface prepareCommand(FClient fClient, String sql, int fetchSize,
                                    ReadModel readModel, boolean autoCommit, ExecuteSession statementSession);
  
    CommandInterface prepareCommand(FClient fClient, List<String> sqls, boolean autoCommit,
                                    ExecuteSession statementSession);
  
    public void afterWriting();
  
    public String getSessionId();
  
    public void setSessionId(String sessionId);
  
  }
  