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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 :
58 : //= CachedRowSet_Data
59 :
60 0 : struct CachedRowSet_Data
61 : {
62 : OUString sCommand;
63 : sal_Bool bEscapeProcessing;
64 : Reference< XConnection > xConnection;
65 :
66 : bool bStatementDirty;
67 :
68 0 : CachedRowSet_Data()
69 : :sCommand()
70 : ,bEscapeProcessing( sal_False )
71 : ,xConnection()
72 0 : ,bStatementDirty( true )
73 : {
74 0 : }
75 : };
76 :
77 :
78 : //= CachedRowSet
79 :
80 :
81 0 : CachedRowSet::CachedRowSet()
82 0 : :m_pData( new CachedRowSet_Data )
83 : {
84 0 : }
85 :
86 :
87 0 : CachedRowSet::~CachedRowSet()
88 : {
89 0 : dispose();
90 0 : }
91 :
92 :
93 0 : void CachedRowSet::setCommand( const OUString& _rCommand )
94 : {
95 0 : if ( m_pData->sCommand == _rCommand )
96 0 : return;
97 :
98 0 : m_pData->sCommand = _rCommand;
99 0 : m_pData->bStatementDirty = true;
100 : }
101 :
102 :
103 0 : void CachedRowSet::setCommandFromQuery( const OUString& _rQueryName )
104 : {
105 0 : Reference< XQueriesSupplier > xSupplyQueries( m_pData->xConnection, UNO_QUERY_THROW );
106 0 : Reference< XNameAccess > xQueries ( xSupplyQueries->getQueries(), UNO_QUERY_THROW );
107 0 : Reference< XPropertySet > xQuery ( xQueries->getByName( _rQueryName ), UNO_QUERY_THROW );
108 :
109 0 : sal_Bool bEscapeProcessing( sal_False );
110 0 : OSL_VERIFY( xQuery->getPropertyValue( PROPERTY_ESCAPE_PROCESSING ) >>= bEscapeProcessing );
111 0 : setEscapeProcessing( bEscapeProcessing );
112 :
113 0 : OUString sCommand;
114 0 : OSL_VERIFY( xQuery->getPropertyValue( PROPERTY_COMMAND ) >>= sCommand );
115 0 : setCommand( sCommand );
116 0 : }
117 :
118 :
119 0 : void CachedRowSet::setEscapeProcessing ( const sal_Bool _bEscapeProcessing )
120 : {
121 0 : if ( m_pData->bEscapeProcessing == _bEscapeProcessing )
122 0 : return;
123 :
124 0 : m_pData->bEscapeProcessing = _bEscapeProcessing;
125 0 : m_pData->bStatementDirty = true;
126 : }
127 :
128 :
129 0 : void CachedRowSet::setConnection( const Reference< XConnection >& _rxConnection )
130 : {
131 0 : if ( m_pData->xConnection == _rxConnection )
132 0 : return;
133 :
134 0 : m_pData->xConnection = _rxConnection;
135 0 : m_pData->bStatementDirty = true;
136 : }
137 :
138 :
139 0 : Reference< XResultSet > CachedRowSet::execute()
140 : {
141 0 : Reference< XResultSet > xResult;
142 : try
143 : {
144 : OSL_PRECOND( m_pData->xConnection.is(), "CachedRowSet::execute: how am I expected to do this without a connection?" );
145 0 : if ( !m_pData->xConnection.is() )
146 0 : return xResult;
147 :
148 0 : Reference< XStatement > xStatement( m_pData->xConnection->createStatement(), UNO_SET_THROW );
149 0 : Reference< XPropertySet > xStatementProps( xStatement, UNO_QUERY_THROW );
150 0 : xStatementProps->setPropertyValue( PROPERTY_ESCAPE_PROCESSING, makeAny( m_pData->bEscapeProcessing ) );
151 0 : xStatementProps->setPropertyValue( PROPERTY_RESULTSET_TYPE, makeAny( ResultSetType::FORWARD_ONLY ) );
152 :
153 0 : xResult.set( xStatement->executeQuery( m_pData->sCommand ), UNO_SET_THROW );
154 0 : m_pData->bStatementDirty = false;
155 : }
156 0 : catch( const SQLException& )
157 : {
158 0 : throw;
159 : }
160 0 : catch( const Exception& )
161 : {
162 : DBG_UNHANDLED_EXCEPTION();
163 : }
164 0 : return xResult;
165 : }
166 :
167 :
168 0 : bool CachedRowSet::isDirty() const
169 : {
170 0 : return m_pData->bStatementDirty;
171 : }
172 :
173 :
174 0 : void CachedRowSet::dispose()
175 : {
176 : try
177 : {
178 0 : m_pData.reset( new CachedRowSet_Data );
179 : }
180 0 : catch( const Exception& )
181 : {
182 : DBG_UNHANDLED_EXCEPTION();
183 : }
184 0 : }
185 :
186 :
187 : } // namespace frm
188 :
189 :
190 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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