| /************************************************************** |
| * |
| * 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 CONNECTIVITY_GLOBALREF_HXX |
| #define CONNECTIVITY_GLOBALREF_HXX |
| |
| #include "java/LocalRef.hxx" |
| #include "java/lang/Object.hxx" |
| |
| /** === begin UNO includes === **/ |
| /** === end UNO includes === **/ |
| |
| #include <jvmaccess/virtualmachine.hxx> |
| |
| //........................................................................ |
| namespace connectivity { namespace jdbc |
| { |
| //........................................................................ |
| |
| //==================================================================== |
| //= GlobalRef |
| //==================================================================== |
| /** helper class to hold a local ref to a JNI object |
| */ |
| template< typename T > |
| class GlobalRef |
| { |
| public: |
| GlobalRef() |
| :m_object( NULL ) |
| { |
| } |
| |
| GlobalRef( const GlobalRef& _source ) |
| :m_object( NULL ) |
| { |
| *this = _source; |
| } |
| |
| GlobalRef& operator=( const GlobalRef& _source ) |
| { |
| if ( &_source == this ) |
| return *this; |
| |
| SDBThreadAttach t; |
| set( t.env(), _source.get() ); |
| return *this; |
| } |
| |
| ~GlobalRef() |
| { |
| reset(); |
| } |
| |
| void reset() |
| { |
| if ( m_object != NULL ) |
| { |
| SDBThreadAttach t; |
| t.env().DeleteGlobalRef( m_object ); |
| m_object = NULL; |
| } |
| } |
| |
| void set( JNIEnv& _environment, T _object ) |
| { |
| if ( m_object != NULL ) |
| _environment.DeleteGlobalRef( m_object ); |
| m_object = _object; |
| if ( m_object ) |
| m_object = static_cast< T >( _environment.NewGlobalRef( m_object ) ); |
| } |
| |
| void set( LocalRef< T >& _object ) |
| { |
| set( _object.env(), _object.release() ); |
| } |
| |
| T get() const |
| { |
| return m_object; |
| } |
| |
| bool is() const |
| { |
| return m_object != NULL; |
| } |
| |
| private: |
| T m_object; |
| }; |
| |
| |
| //........................................................................ |
| } } // namespace connectivity::jdbc |
| //........................................................................ |
| |
| #endif // CONNECTIVITY_GLOBALREF_HXX |