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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: ?Description |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include "mderelation.h" |
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20 |
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21 #include "mdcitem.h" |
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22 #include "mdcserializationbuffer.h" |
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23 #include "mderelationdef.h" |
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24 #include "mdenamespacedef.h" |
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25 |
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26 |
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27 //---------------------------------------------------------- |
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28 // TMdERelation |
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29 //---------------------------------------------------------- |
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30 |
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31 TMdERelation::TMdERelation() |
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32 : iId( KNoId ), iLeftObjectId( KNoId ), |
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33 iRightObjectId( KNoId ), iDef( NULL ) |
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34 { |
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35 } |
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36 |
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37 EXPORT_C TItemId TMdERelation::Id() const |
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38 { |
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39 return iId; |
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40 } |
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41 |
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42 EXPORT_C CMdERelationDef& TMdERelation::DefL() const |
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43 { |
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44 if ( !iDef ) |
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45 { |
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46 User::Leave( KErrNotFound ); |
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47 } |
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48 return *iDef; |
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49 } |
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50 |
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51 EXPORT_C TItemId TMdERelation::LeftObjectId() const |
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52 { |
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53 return iLeftObjectId; |
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54 } |
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55 |
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56 EXPORT_C TItemId TMdERelation::RightObjectId() const |
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57 { |
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58 return iRightObjectId; |
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59 } |
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60 |
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61 TUint32 TMdERelation::RequiredBufferSize() const |
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62 { |
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63 return sizeof(TMdCRelation); |
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64 } |
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65 |
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66 void TMdERelation::DeSerializeL(CMdCSerializationBuffer& aBuffer, CMdENamespaceDef& aNamespaceDef) |
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67 { |
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68 const TMdCRelation& relation = TMdCRelation::GetFromBufferL( aBuffer ); |
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69 iId = relation.iId; |
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70 iLeftObjectId = relation.iLeftObjectId; |
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71 iRightObjectId = relation.iRightObjectId; |
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72 if (iId == KNoId || iLeftObjectId == KNoId || iRightObjectId == KNoId) |
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73 { |
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74 User::Leave(KErrNotFound); |
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75 } |
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76 if(iLeftObjectId == iRightObjectId ) |
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77 { |
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78 User::Leave( KErrArgument ); |
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79 } |
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80 iDef = aNamespaceDef.GetRelationDefL( relation.iDefId ); |
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81 } |
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82 |
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83 //---------------------------------------------------------- |
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84 // CMdERelation |
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85 //---------------------------------------------------------- |
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86 |
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87 CMdERelation::CMdERelation(CMdESession* aSession, TItemId aId, |
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88 CMdERelationDef& aDef, TItemId aLeftObjectId, |
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89 TItemId aRightObjectId, TInt32 aParameter) |
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90 : CMdEInstanceItem(aSession, aId), iDef(aDef), |
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91 iLeftObjectId(aLeftObjectId), iRightObjectId(aRightObjectId), |
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92 iParameter(aParameter), iGuidHigh( 0 ), iGuidLow( 0 ), iLastModifiedDate( 0 ) |
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93 { |
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94 } |
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95 |
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96 |
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97 void CMdERelation::ConstructL() |
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98 { |
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99 // Same object cannot be on both side of the relation |
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100 if(iLeftObjectId == iRightObjectId ) |
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101 { |
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102 User::Leave( KErrArgument ); |
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103 } |
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104 |
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105 InstanceItemBaseConstruct(); |
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106 } |
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107 |
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108 |
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109 CMdERelation::~CMdERelation() |
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110 { |
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111 } |
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112 |
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113 CMdERelation* CMdERelation::NewL(CMdERelationDef& aDef, TItemId aLeftObjectId, |
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114 TItemId aRightObjectId, TInt32 aParameter) |
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115 { |
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116 CMdERelation* ret = CMdERelation::NewLC( aDef, aLeftObjectId, aRightObjectId, aParameter ); |
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117 CleanupStack::Pop( ret ); |
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118 return ret; |
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119 } |
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120 |
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121 CMdERelation* CMdERelation::NewLC(CMdERelationDef& aDef, TItemId aLeftObjectId, |
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122 TItemId aRightObjectId, TInt32 aParameter) |
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123 { |
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124 CMdERelation* ret = new (ELeave) CMdERelation( NULL, KNoId, aDef, aLeftObjectId, aRightObjectId, aParameter ); |
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125 CleanupStack::PushL( ret ); |
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126 ret->ConstructL(); |
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127 return ret; |
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128 } |
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129 |
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130 CMdERelation* CMdERelation::NewL(CMdESession* aSession, CMdCSerializationBuffer& aBuffer, CMdENamespaceDef& aNamespaceDef) |
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131 { |
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132 CMdERelation* ret = CMdERelation::NewLC( aSession, aBuffer, aNamespaceDef ); |
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133 CleanupStack::Pop( ret ); |
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134 return ret; |
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135 } |
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136 |
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137 CMdERelation* CMdERelation::NewLC(CMdESession* aSession, CMdCSerializationBuffer& aBuffer, CMdENamespaceDef& aNamespaceDef) |
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138 { |
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139 const TMdCRelation& serializedRelation = TMdCRelation::GetFromBufferL( aBuffer ); |
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140 if (serializedRelation.iId == KNoId) |
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141 { |
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142 User::Leave( KErrNotFound ); |
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143 } |
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144 if (serializedRelation.iDefId == KNoDefId) |
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145 { |
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146 User::Leave( KErrNotFound ); |
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147 } |
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148 CMdERelationDef* relationDef = aNamespaceDef.GetRelationDefL( serializedRelation.iDefId ); |
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149 if ( !relationDef ) |
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150 { |
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151 User::Leave( KErrNotFound ); |
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152 } |
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153 if (serializedRelation.iLeftObjectId == KNoId) |
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154 { |
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155 User::Leave( KErrNotFound ); |
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156 } |
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157 if (serializedRelation.iRightObjectId == KNoId) |
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158 { |
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159 User::Leave( KErrNotFound ); |
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160 } |
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161 |
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162 CMdERelation* relation = new (ELeave) CMdERelation( aSession, serializedRelation.iId, *relationDef, |
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163 serializedRelation.iLeftObjectId, serializedRelation.iRightObjectId, serializedRelation.iParameter ); |
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164 CleanupStack::PushL( relation ); |
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165 |
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166 relation->SetGuid( serializedRelation.iGuidHigh, serializedRelation.iGuidLow ); |
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167 |
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168 relation->SetLastModifiedDate( serializedRelation.iLastModifiedDate ); |
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169 |
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170 return relation; |
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171 } |
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172 |
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173 EXPORT_C CMdERelationDef& CMdERelation::Def() const |
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174 { |
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175 return iDef; |
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176 } |
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177 |
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178 |
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179 EXPORT_C TItemId CMdERelation::LeftObjectId() const |
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180 { |
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181 return iLeftObjectId; |
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182 } |
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183 |
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184 |
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185 EXPORT_C TItemId CMdERelation::RightObjectId() const |
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186 { |
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187 return iRightObjectId; |
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188 } |
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189 |
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190 EXPORT_C TInt32 CMdERelation::Parameter() const |
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191 { |
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192 return iParameter; |
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193 } |
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194 |
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195 EXPORT_C void CMdERelation::SetParameter(TInt32 aParameter) |
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196 { |
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197 iParameter = aParameter; |
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198 } |
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199 |
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200 EXPORT_C void CMdERelation::SetLeftObjectIdL( TItemId aLeftObjectId ) |
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201 { |
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202 // Same object cannot be on both side of the relation |
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203 if( aLeftObjectId == iRightObjectId ) |
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204 { |
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205 User::Leave( KErrArgument ); |
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206 } |
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207 |
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208 iLeftObjectId = aLeftObjectId; |
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209 } |
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210 |
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211 EXPORT_C void CMdERelation::SetRightObjectIdL( TItemId aRightObjectId ) |
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212 { |
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213 // Same object cannot be on both side of the relation |
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214 if( aRightObjectId == iLeftObjectId ) |
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215 { |
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216 User::Leave( KErrArgument ); |
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217 } |
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218 |
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219 iRightObjectId = aRightObjectId; |
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220 } |
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221 |
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222 EXPORT_C void CMdERelation::Guid(TInt64& aGuidHigh, TInt64& aGuidLow) const |
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223 { |
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224 aGuidHigh = iGuidHigh; |
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225 aGuidLow = iGuidLow; |
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226 } |
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227 |
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228 EXPORT_C void CMdERelation::SetGuid(const TInt64& aGuidHigh, const TInt64& aGuidLow) |
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229 { |
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230 iGuidHigh = aGuidHigh; |
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231 iGuidLow = aGuidLow; |
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232 } |
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233 |
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234 EXPORT_C TTime CMdERelation::LastModifiedDate() const |
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235 { |
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236 return iLastModifiedDate; |
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237 } |
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238 |
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239 EXPORT_C void CMdERelation::SetLastModifiedDate(TTime aLastModifiedDate) |
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240 { |
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241 iLastModifiedDate = aLastModifiedDate; |
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242 } |
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243 |
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244 TUint32 CMdERelation::RequiredBufferSize() const |
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245 { |
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246 return sizeof(TMdCRelation); |
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247 } |
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248 |
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249 TMdCOffset CMdERelation::SerializeL(CMdCSerializationBuffer& aBuffer, TMdCOffset aFreespaceOffset) const |
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250 { |
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251 TMdCRelation relation; |
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252 relation.iId = Id(); |
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253 relation.iDefId = iDef.Id(); |
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254 relation.iLeftObjectId = iLeftObjectId; |
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255 relation.iRightObjectId = iRightObjectId; |
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256 relation.iParameter = iParameter; |
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257 relation.iGuidHigh = iGuidHigh; |
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258 relation.iGuidLow = iGuidLow; |
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259 relation.iLastModifiedDate = iLastModifiedDate; |
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260 |
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261 relation.SerializeL( aBuffer ); |
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262 return aFreespaceOffset; |
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263 } |
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264 |
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265 TMdEInstanceType CMdERelation::InstanceType() const |
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266 { |
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267 return EMdETypeRelation; |
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268 } |