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.hive.service.cli;
  
  import java.util.Collections;
  
  import org.apache.hive.service.auth.HiveAuthFactory;
  
  
  /**
   * CLIServiceClient.
   *
   */
  public abstract class CLIServiceClient implements ICLIService {
    private static final long DEFAULT_MAX_ROWS = 1000;
  
    public SessionHandle openSession(String username, String password)
        throws HiveSQLException {
      return openSession(username, password, Collections.<String, String>emptyMap());
    }
  
    @Override
    public RowSet fetchResults(OperationHandle opHandle) throws HiveSQLException {
      // TODO: provide STATIC default value
      return fetchResults(opHandle, FetchOrientation.FETCH_NEXT, DEFAULT_MAX_ROWS, FetchType.QUERY_OUTPUT);
    }
  
    @Override
    public abstract String getDelegationToken(SessionHandle sessionHandle, HiveAuthFactory authFactory,
        String owner, String renewer) throws HiveSQLException;
  
    @Override
    public abstract void cancelDelegationToken(SessionHandle sessionHandle, HiveAuthFactory authFactory,
        String tokenStr) throws HiveSQLException;
  
    @Override
    public abstract void renewDelegationToken(SessionHandle sessionHandle, HiveAuthFactory authFactory,
        String tokenStr) throws HiveSQLException;
  
  }
  