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/**
* 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.session;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.hive.metastore.IMetaStoreClient;
import org.apache.hive.service.auth.HiveAuthFactory;
import org.apache.hive.service.cli.*;
public interface HiveSession extends HiveSessionBase {
void open(Map<String, String> sessionConfMap) throws Exception;
IMetaStoreClient getMetaStoreClient() throws HiveSQLException;
/**
* getInfo operation handler
* @param getInfoType
* @return
* @throws HiveSQLException
*/
GetInfoValue getInfo(GetInfoType getInfoType) throws HiveSQLException;
/**
* execute operation handler
* @param statement
* @param confOverlay
* @return
* @throws HiveSQLException
*/
OperationHandle executeStatement(String statement,
Map<String, String> confOverlay) throws HiveSQLException;
/**
* execute operation handler
* @param statement
* @param confOverlay
* @return
* @throws HiveSQLException
*/
OperationHandle executeStatementAsync(String statement,
Map<String, String> confOverlay) throws HiveSQLException;
/**
* getTypeInfo operation handler
* @return
* @throws HiveSQLException
*/
OperationHandle getTypeInfo() throws HiveSQLException;
/**
* getCatalogs operation handler
* @return
* @throws HiveSQLException
*/
OperationHandle getCatalogs() throws HiveSQLException;
/**
* getSchemas operation handler
* @param catalogName
* @param schemaName
* @return
* @throws HiveSQLException
*/
OperationHandle getSchemas(String catalogName, String schemaName)
throws HiveSQLException;
/**
* getTables operation handler
* @param catalogName
* @param schemaName
* @param tableName
* @param tableTypes
* @return
* @throws HiveSQLException
*/
OperationHandle getTables(String catalogName, String schemaName,
String tableName, List<String> tableTypes) throws HiveSQLException;
/**
* getTableTypes operation handler
* @return
* @throws HiveSQLException
*/
OperationHandle getTableTypes() throws HiveSQLException ;
/**
* getColumns operation handler
* @param catalogName
* @param schemaName
* @param tableName
* @param columnName
* @return
* @throws HiveSQLException
*/
OperationHandle getColumns(String catalogName, String schemaName,
String tableName, String columnName) throws HiveSQLException;
/**
* getFunctions operation handler
* @param catalogName
* @param schemaName
* @param functionName
* @return
* @throws HiveSQLException
*/
OperationHandle getFunctions(String catalogName, String schemaName,
String functionName) throws HiveSQLException;
/**
* close the session
* @throws HiveSQLException
*/
void close() throws HiveSQLException;
void cancelOperation(OperationHandle opHandle) throws HiveSQLException;
void closeOperation(OperationHandle opHandle) throws HiveSQLException;
TableSchema getResultSetMetadata(OperationHandle opHandle)
throws HiveSQLException;
RowSet fetchResults(OperationHandle opHandle, FetchOrientation orientation,
long maxRows, FetchType fetchType) throws HiveSQLException;
String getDelegationToken(HiveAuthFactory authFactory, String owner,
String renewer) throws HiveSQLException;
void cancelDelegationToken(HiveAuthFactory authFactory, String tokenStr)
throws HiveSQLException;
void renewDelegationToken(HiveAuthFactory authFactory, String tokenStr)
throws HiveSQLException;
void closeExpiredOperations();
long getNoOperationTime();
}
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