service/cli/CLIServiceClient.java

0001 /**
0002  * Licensed to the Apache Software Foundation (ASF) under one
0003  * or more contributor license agreements.  See the NOTICE file
0004  * distributed with this work for additional information
0005  * regarding copyright ownership.  The ASF licenses this file
0006  * to you under the Apache License, Version 2.0 (the
0007  * "License"); you may not use this file except in compliance
0008  * with the License.  You may obtain a copy of the License at
0009  *
0010  *     http://www.apache.org/licenses/LICENSE-2.0
0011  *
0012  * Unless required by applicable law or agreed to in writing, software
0013  * distributed under the License is distributed on an "AS IS" BASIS,
0014  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0015  * See the License for the specific language governing permissions and
0016  * limitations under the License.
0017  */
0018
0019 package org.apache.hive.service.cli;
0020
0021 import java.util.Collections;
0022
0023 import org.apache.hive.service.auth.HiveAuthFactory;
0024
0025
0026 /**
0027  * CLIServiceClient.
0028  *
0029  */
0030 public abstract class CLIServiceClient implements ICLIService {
0031   private static final long DEFAULT_MAX_ROWS = 1000;
0032
0033   public SessionHandle openSession(String username, String password)
0034       throws HiveSQLException {
0035     return openSession(username, password, Collections.<String, String>emptyMap());
0036   }
0037
0038   @Override
0039   public RowSet fetchResults(OperationHandle opHandle) throws HiveSQLException {
0040     // TODO: provide STATIC default value
0041     return fetchResults(opHandle, FetchOrientation.FETCH_NEXT, DEFAULT_MAX_ROWS, FetchType.QUERY_OUTPUT);
0042   }
0043
0044   @Override
0045   public abstract String getDelegationToken(SessionHandle sessionHandle, HiveAuthFactory authFactory,
0046       String owner, String renewer) throws HiveSQLException;
0047
0048   @Override
0049   public abstract void cancelDelegationToken(SessionHandle sessionHandle, HiveAuthFactory authFactory,
0050       String tokenStr) throws HiveSQLException;
0051
0052   @Override
0053   public abstract void renewDelegationToken(SessionHandle sessionHandle, HiveAuthFactory authFactory,
0054       String tokenStr) throws HiveSQLException;
0055
0056 }