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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include "cachedrowset.hxx"
22 : #include "services.hxx"
23 : #include "frm_strings.hxx"
24 :
25 : #include <com/sun/star/lang/XComponent.hpp>
26 : #include <com/sun/star/beans/XPropertySet.hpp>
27 : #include <com/sun/star/sdb/XQueriesSupplier.hpp>
28 : #include <com/sun/star/sdbc/ResultSetType.hpp>
29 :
30 : #include <tools/diagnose_ex.h>
31 :
32 :
33 : namespace frm
34 : {
35 :
36 :
37 : using ::com::sun::star::uno::Reference;
38 : using ::com::sun::star::uno::UNO_QUERY;
39 : using ::com::sun::star::uno::UNO_QUERY_THROW;
40 : using ::com::sun::star::uno::UNO_SET_THROW;
41 : using ::com::sun::star::uno::Exception;
42 : using ::com::sun::star::uno::RuntimeException;
43 : using ::com::sun::star::uno::XComponentContext;
44 : using ::com::sun::star::sdbc::XConnection;
45 : using ::com::sun::star::lang::XComponent;
46 : using ::com::sun::star::beans::XPropertySet;
47 : using ::com::sun::star::uno::makeAny;
48 : using ::com::sun::star::sdbc::SQLException;
49 : using ::com::sun::star::uno::Any;
50 : using ::com::sun::star::sdb::XQueriesSupplier;
51 : using ::com::sun::star::container::XNameAccess;
52 : using ::com::sun::star::sdbc::XResultSet;
53 : using ::com::sun::star::sdbc::XStatement;
54 :
55 : namespace ResultSetType = ::com::sun::star::sdbc::ResultSetType;
56 :
57 92 : struct CachedRowSet_Data
58 : {
59 : OUString sCommand;
60 : bool bEscapeProcessing;
61 : Reference< XConnection > xConnection;
62 :
63 : bool bStatementDirty;
64 :
65 96 : CachedRowSet_Data()
66 : :sCommand()
67 : ,bEscapeProcessing( false )
68 : ,xConnection()
69 96 : ,bStatementDirty( true )
70 : {
71 96 : }
72 : };
73 :
74 50 : CachedRowSet::CachedRowSet()
75 50 : :m_pData( new CachedRowSet_Data )
76 : {
77 50 : }
78 :
79 :
80 92 : CachedRowSet::~CachedRowSet()
81 : {
82 46 : dispose();
83 46 : }
84 :
85 :
86 0 : void CachedRowSet::setCommand( const OUString& _rCommand )
87 : {
88 0 : if ( m_pData->sCommand == _rCommand )
89 0 : return;
90 :
91 0 : m_pData->sCommand = _rCommand;
92 0 : m_pData->bStatementDirty = true;
93 : }
94 :
95 :
96 0 : void CachedRowSet::setCommandFromQuery( const OUString& _rQueryName )
97 : {
98 0 : Reference< XQueriesSupplier > xSupplyQueries( m_pData->xConnection, UNO_QUERY_THROW );
99 0 : Reference< XNameAccess > xQueries ( xSupplyQueries->getQueries(), UNO_QUERY_THROW );
100 0 : Reference< XPropertySet > xQuery ( xQueries->getByName( _rQueryName ), UNO_QUERY_THROW );
101 :
102 0 : bool bEscapeProcessing( false );
103 0 : OSL_VERIFY( xQuery->getPropertyValue( PROPERTY_ESCAPE_PROCESSING ) >>= bEscapeProcessing );
104 0 : setEscapeProcessing( bEscapeProcessing );
105 :
106 0 : OUString sCommand;
107 0 : OSL_VERIFY( xQuery->getPropertyValue( PROPERTY_COMMAND ) >>= sCommand );
108 0 : setCommand( sCommand );
109 0 : }
110 :
111 :
112 0 : void CachedRowSet::setEscapeProcessing ( const bool _bEscapeProcessing )
113 : {
114 0 : if ( m_pData->bEscapeProcessing == _bEscapeProcessing )
115 0 : return;
116 :
117 0 : m_pData->bEscapeProcessing = _bEscapeProcessing;
118 0 : m_pData->bStatementDirty = true;
119 : }
120 :
121 :
122 0 : void CachedRowSet::setConnection( const Reference< XConnection >& _rxConnection )
123 : {
124 0 : if ( m_pData->xConnection == _rxConnection )
125 0 : return;
126 :
127 0 : m_pData->xConnection = _rxConnection;
128 0 : m_pData->bStatementDirty = true;
129 : }
130 :
131 :
132 0 : Reference< XResultSet > CachedRowSet::execute()
133 : {
134 0 : Reference< XResultSet > xResult;
135 : try
136 : {
137 : OSL_PRECOND( m_pData->xConnection.is(), "CachedRowSet::execute: how am I expected to do this without a connection?" );
138 0 : if ( !m_pData->xConnection.is() )
139 0 : return xResult;
140 :
141 0 : Reference< XStatement > xStatement( m_pData->xConnection->createStatement(), UNO_SET_THROW );
142 0 : Reference< XPropertySet > xStatementProps( xStatement, UNO_QUERY_THROW );
143 0 : xStatementProps->setPropertyValue( PROPERTY_ESCAPE_PROCESSING, makeAny( m_pData->bEscapeProcessing ) );
144 0 : xStatementProps->setPropertyValue( PROPERTY_RESULTSET_TYPE, makeAny( ResultSetType::FORWARD_ONLY ) );
145 :
146 0 : xResult.set( xStatement->executeQuery( m_pData->sCommand ), UNO_SET_THROW );
147 0 : m_pData->bStatementDirty = false;
148 : }
149 0 : catch( const SQLException& )
150 : {
151 0 : throw;
152 : }
153 0 : catch( const Exception& )
154 : {
155 : DBG_UNHANDLED_EXCEPTION();
156 : }
157 0 : return xResult;
158 : }
159 :
160 :
161 0 : bool CachedRowSet::isDirty() const
162 : {
163 0 : return m_pData->bStatementDirty;
164 : }
165 :
166 :
167 46 : void CachedRowSet::dispose()
168 : {
169 : try
170 : {
171 46 : m_pData.reset( new CachedRowSet_Data );
172 : }
173 0 : catch( const Exception& )
174 : {
175 : DBG_UNHANDLED_EXCEPTION();
176 : }
177 46 : }
178 :
179 :
180 : } // namespace frm
181 :
182 :
183 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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