| /* |
| * 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. |
| */ |
| |
| #ifndef _IGNITE_ODBC_ENVIRONMENT |
| #define _IGNITE_ODBC_ENVIRONMENT |
| |
| #include <set> |
| |
| #include "ignite/odbc/diagnostic/diagnosable_adapter.h" |
| |
| namespace ignite |
| { |
| namespace odbc |
| { |
| class Connection; |
| |
| /** |
| * ODBC environment. |
| */ |
| class Environment : public diagnostic::DiagnosableAdapter |
| { |
| public: |
| /** Connection set type. */ |
| typedef std::set<Connection*> ConnectionSet; |
| |
| /** |
| * Constructor. |
| */ |
| Environment(); |
| |
| /** |
| * Destructor. |
| */ |
| ~Environment(); |
| |
| /** |
| * Create connection associated with the environment. |
| * |
| * @return Pointer to valid instance on success or NULL on failure. |
| */ |
| Connection* CreateConnection(); |
| |
| /** |
| * Deregister connection. |
| * |
| * @param conn Connection to deregister. |
| */ |
| void DeregisterConnection(Connection* conn); |
| |
| /** |
| * Perform transaction commit on all the associated connections. |
| */ |
| void TransactionCommit(); |
| |
| /** |
| * Perform transaction rollback on all the associated connections. |
| */ |
| void TransactionRollback(); |
| |
| /** |
| * Set attribute. |
| * |
| * @param attr Attribute to set. |
| * @param value Value. |
| * @param len Value length if the attribute is of string type. |
| */ |
| void SetAttribute(int32_t attr, void* value, int32_t len); |
| |
| /** |
| * Get attribute. |
| * |
| * @param attr Attribute to set. |
| * @param buffer Buffer to put value to. |
| */ |
| void GetAttribute(int32_t attr, app::ApplicationDataBuffer& buffer); |
| |
| private: |
| IGNITE_NO_COPY_ASSIGNMENT(Environment); |
| |
| /** |
| * Create connection associated with the environment. |
| * Internal call. |
| * |
| * @return Pointer to valid instance on success or NULL on failure. |
| * @return Operation result. |
| */ |
| SqlResult::Type InternalCreateConnection(Connection*& connection); |
| |
| /** |
| * Perform transaction commit on all the associated connections. |
| * Internal call. |
| * |
| * @return Operation result. |
| */ |
| SqlResult::Type InternalTransactionCommit(); |
| |
| /** |
| * Perform transaction rollback on all the associated connections. |
| * Internal call. |
| * |
| * @return Operation result. |
| */ |
| SqlResult::Type InternalTransactionRollback(); |
| |
| /** |
| * Set attribute. |
| * Internal call. |
| * |
| * @param attr Attribute to set. |
| * @param value Value. |
| * @param len Value length if the attribute is of string type. |
| * @return Operation result. |
| */ |
| SqlResult::Type InternalSetAttribute(int32_t attr, void* value, int32_t len); |
| |
| /** |
| * Get attribute. |
| * Internal call. |
| * |
| * @param attr Attribute to set. |
| * @param buffer Buffer to put value to. |
| * @return Operation result. |
| */ |
| SqlResult::Type InternalGetAttribute(int32_t attr, app::ApplicationDataBuffer& buffer); |
| |
| /** Assotiated connections. */ |
| ConnectionSet connections; |
| |
| /** ODBC version. */ |
| int32_t odbcVersion; |
| |
| /** ODBC null-termintaion of string behaviour. */ |
| int32_t odbcNts; |
| }; |
| } |
| } |
| |
| #endif //_IGNITE_ODBC_ENVIRONMENT |