1*caf5cd79SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*caf5cd79SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*caf5cd79SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*caf5cd79SAndrew Rist * distributed with this work for additional information 6*caf5cd79SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*caf5cd79SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*caf5cd79SAndrew Rist * "License"); you may not use this file except in compliance 9*caf5cd79SAndrew Rist * with the License. You may obtain a copy of the License at 10*caf5cd79SAndrew Rist * 11*caf5cd79SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*caf5cd79SAndrew Rist * 13*caf5cd79SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*caf5cd79SAndrew Rist * software distributed under the License is distributed on an 15*caf5cd79SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*caf5cd79SAndrew Rist * KIND, either express or implied. See the License for the 17*caf5cd79SAndrew Rist * specific language governing permissions and limitations 18*caf5cd79SAndrew Rist * under the License. 19*caf5cd79SAndrew Rist * 20*caf5cd79SAndrew Rist *************************************************************/ 21*caf5cd79SAndrew Rist 22*caf5cd79SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef CONNECTIVITY_GLOBALREF_HXX 25cdf0e10cSrcweir #define CONNECTIVITY_GLOBALREF_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include "java/LocalRef.hxx" 28cdf0e10cSrcweir #include "java/lang/Object.hxx" 29cdf0e10cSrcweir 30cdf0e10cSrcweir /** === begin UNO includes === **/ 31cdf0e10cSrcweir /** === end UNO includes === **/ 32cdf0e10cSrcweir 33cdf0e10cSrcweir #include <jvmaccess/virtualmachine.hxx> 34cdf0e10cSrcweir 35cdf0e10cSrcweir //........................................................................ 36cdf0e10cSrcweir namespace connectivity { namespace jdbc 37cdf0e10cSrcweir { 38cdf0e10cSrcweir //........................................................................ 39cdf0e10cSrcweir 40cdf0e10cSrcweir //==================================================================== 41cdf0e10cSrcweir //= GlobalRef 42cdf0e10cSrcweir //==================================================================== 43cdf0e10cSrcweir /** helper class to hold a local ref to a JNI object 44cdf0e10cSrcweir */ 45cdf0e10cSrcweir template< typename T > 46cdf0e10cSrcweir class GlobalRef 47cdf0e10cSrcweir { 48cdf0e10cSrcweir public: GlobalRef()49cdf0e10cSrcweir GlobalRef() 50cdf0e10cSrcweir :m_object( NULL ) 51cdf0e10cSrcweir { 52cdf0e10cSrcweir } 53cdf0e10cSrcweir GlobalRef(const GlobalRef & _source)54cdf0e10cSrcweir GlobalRef( const GlobalRef& _source ) 55cdf0e10cSrcweir :m_object( NULL ) 56cdf0e10cSrcweir { 57cdf0e10cSrcweir *this = _source; 58cdf0e10cSrcweir } 59cdf0e10cSrcweir operator =(const GlobalRef & _source)60cdf0e10cSrcweir GlobalRef& operator=( const GlobalRef& _source ) 61cdf0e10cSrcweir { 62cdf0e10cSrcweir if ( &_source == this ) 63cdf0e10cSrcweir return *this; 64cdf0e10cSrcweir 65cdf0e10cSrcweir SDBThreadAttach t; 66cdf0e10cSrcweir set( t.env(), _source.get() ); 67cdf0e10cSrcweir return *this; 68cdf0e10cSrcweir } 69cdf0e10cSrcweir ~GlobalRef()70cdf0e10cSrcweir ~GlobalRef() 71cdf0e10cSrcweir { 72cdf0e10cSrcweir reset(); 73cdf0e10cSrcweir } 74cdf0e10cSrcweir reset()75cdf0e10cSrcweir void reset() 76cdf0e10cSrcweir { 77cdf0e10cSrcweir if ( m_object != NULL ) 78cdf0e10cSrcweir { 79cdf0e10cSrcweir SDBThreadAttach t; 80cdf0e10cSrcweir t.env().DeleteGlobalRef( m_object ); 81cdf0e10cSrcweir m_object = NULL; 82cdf0e10cSrcweir } 83cdf0e10cSrcweir } 84cdf0e10cSrcweir set(JNIEnv & _environment,T _object)85cdf0e10cSrcweir void set( JNIEnv& _environment, T _object ) 86cdf0e10cSrcweir { 87cdf0e10cSrcweir if ( m_object != NULL ) 88cdf0e10cSrcweir _environment.DeleteGlobalRef( m_object ); 89cdf0e10cSrcweir m_object = _object; 90cdf0e10cSrcweir if ( m_object ) 91cdf0e10cSrcweir m_object = static_cast< T >( _environment.NewGlobalRef( m_object ) ); 92cdf0e10cSrcweir } 93cdf0e10cSrcweir set(LocalRef<T> & _object)94cdf0e10cSrcweir void set( LocalRef< T >& _object ) 95cdf0e10cSrcweir { 96cdf0e10cSrcweir set( _object.env(), _object.release() ); 97cdf0e10cSrcweir } 98cdf0e10cSrcweir get() const99cdf0e10cSrcweir T get() const 100cdf0e10cSrcweir { 101cdf0e10cSrcweir return m_object; 102cdf0e10cSrcweir } 103cdf0e10cSrcweir is() const104cdf0e10cSrcweir bool is() const 105cdf0e10cSrcweir { 106cdf0e10cSrcweir return m_object != NULL; 107cdf0e10cSrcweir } 108cdf0e10cSrcweir 109cdf0e10cSrcweir private: 110cdf0e10cSrcweir T m_object; 111cdf0e10cSrcweir }; 112cdf0e10cSrcweir 113cdf0e10cSrcweir 114cdf0e10cSrcweir //........................................................................ 115cdf0e10cSrcweir } } // namespace connectivity::jdbc 116cdf0e10cSrcweir //........................................................................ 117cdf0e10cSrcweir 118cdf0e10cSrcweir #endif // CONNECTIVITY_GLOBALREF_HXX 119