Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like MappingException often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use MappingException, and based on these observations, apply Extract Interface, too.
1 | <?php |
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27 | class MappingException extends \Doctrine\ORM\ORMException |
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28 | { |
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29 | /** |
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30 | * @return MappingException |
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31 | */ |
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32 | public static function pathRequired() |
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33 | { |
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34 | return new self("Specifying the paths to your entities is required ". |
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35 | "in the AnnotationDriver to retrieve all class names."); |
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36 | } |
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37 | |||
38 | /** |
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39 | * @param string $entityName |
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40 | * |
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41 | * @return MappingException |
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42 | */ |
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43 | 6 | View Code Duplication | public static function identifierRequired($entityName) |
44 | { |
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45 | 6 | if (false !== ($parent = get_parent_class($entityName))) { |
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46 | 6 | return new self(sprintf( |
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47 | 6 | 'No identifier/primary key specified for Entity "%s" sub class of "%s". Every Entity must have an identifier/primary key.', |
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48 | 6 | $entityName, $parent |
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49 | )); |
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50 | } |
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51 | |||
52 | return new self(sprintf( |
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53 | 'No identifier/primary key specified for Entity "%s". Every Entity must have an identifier/primary key.', |
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54 | $entityName |
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55 | )); |
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56 | |||
57 | } |
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58 | |||
59 | /** |
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60 | * @param string $entityName |
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61 | * @param string $type |
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62 | * |
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63 | * @return MappingException |
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64 | */ |
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65 | public static function invalidInheritanceType($entityName, $type) |
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66 | { |
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67 | return new self("The inheritance type '$type' specified for '$entityName' does not exist."); |
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68 | } |
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69 | |||
70 | /** |
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71 | * @return MappingException |
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72 | */ |
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73 | public static function generatorNotAllowedWithCompositeId() |
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74 | { |
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75 | return new self("Id generators can't be used with a composite id."); |
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76 | } |
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77 | |||
78 | /** |
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79 | * @param string $entity |
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80 | * |
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81 | * @return MappingException |
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82 | */ |
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83 | 1 | public static function missingFieldName($entity) |
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87 | |||
88 | /** |
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89 | * @param string $fieldName |
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90 | * |
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91 | * @return MappingException |
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92 | */ |
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93 | public static function missingTargetEntity($fieldName) |
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94 | { |
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95 | return new self("The association mapping '$fieldName' misses the 'targetEntity' attribute."); |
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96 | } |
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97 | |||
98 | /** |
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99 | * @param string $fieldName |
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100 | * |
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101 | * @return MappingException |
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102 | */ |
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103 | public static function missingSourceEntity($fieldName) |
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104 | { |
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105 | return new self("The association mapping '$fieldName' misses the 'sourceEntity' attribute."); |
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106 | } |
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107 | |||
108 | /** |
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109 | * @param string $fieldName |
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110 | * |
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111 | * @return MappingException |
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112 | */ |
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113 | 1 | public static function missingEmbeddedClass($fieldName) |
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117 | |||
118 | /** |
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119 | * @param string $entityName |
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120 | * @param string $fileName |
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121 | * |
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122 | * @return MappingException |
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123 | */ |
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124 | public static function mappingFileNotFound($entityName, $fileName) |
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125 | { |
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126 | return new self("No mapping file found named '$fileName' for class '$entityName'."); |
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127 | } |
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128 | |||
129 | /** |
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130 | * Exception for invalid property name override. |
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131 | * |
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132 | * @param string $className The entity's name. |
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133 | * @param string $fieldName |
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134 | * |
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135 | * @return MappingException |
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136 | */ |
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137 | 2 | public static function invalidOverrideFieldName($className, $fieldName) |
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141 | |||
142 | /** |
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143 | * Exception for invalid property type override. |
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144 | * |
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145 | * @param string $className The entity's name. |
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146 | * @param string $fieldName |
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147 | * |
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148 | * @return MappingException |
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149 | */ |
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150 | 1 | public static function invalidOverrideFieldType($className, $fieldName) |
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154 | |||
155 | /** |
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156 | * @param string $className |
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157 | * @param string $fieldName |
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158 | * |
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159 | * @return MappingException |
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160 | */ |
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161 | 1 | public static function mappingNotFound($className, $fieldName) |
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165 | |||
166 | /** |
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167 | * @param string $className |
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168 | * @param string $queryName |
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169 | * |
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170 | * @return MappingException |
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171 | */ |
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172 | 1 | public static function queryNotFound($className, $queryName) |
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176 | |||
177 | /** |
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178 | * @param string $className |
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179 | * @param string $resultName |
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180 | * |
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181 | * @return MappingException |
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182 | */ |
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183 | public static function resultMappingNotFound($className, $resultName) |
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184 | { |
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185 | return new self("No result set mapping found named '$resultName' on class '$className'."); |
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186 | } |
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187 | |||
188 | /** |
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189 | * @param string $entity |
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190 | * @param string $queryName |
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191 | * |
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192 | * @return MappingException |
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193 | */ |
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194 | public static function emptyQueryMapping($entity, $queryName) |
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195 | { |
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196 | return new self('Query named "'.$queryName.'" in "'.$entity.'" could not be empty.'); |
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197 | } |
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198 | |||
199 | /** |
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200 | * @param string $className |
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201 | * |
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202 | * @return MappingException |
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203 | */ |
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204 | 2 | public static function nameIsMandatoryForQueryMapping($className) |
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208 | |||
209 | /** |
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210 | * @param string $entity |
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211 | * @param string $queryName |
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212 | * |
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213 | * @return MappingException |
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214 | */ |
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215 | public static function missingQueryMapping($entity, $queryName) |
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216 | { |
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217 | return new self('Query named "'.$queryName.'" in "'.$entity.' requires a result class or result set mapping.'); |
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218 | } |
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219 | |||
220 | /** |
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221 | * @param string $entity |
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222 | * @param string $resultName |
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223 | * |
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224 | * @return MappingException |
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225 | */ |
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226 | 1 | public static function missingResultSetMappingEntity($entity, $resultName) |
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230 | |||
231 | /** |
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232 | * @param string $entity |
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233 | * @param string $resultName |
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234 | * |
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235 | * @return MappingException |
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236 | */ |
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237 | public static function missingResultSetMappingFieldName($entity, $resultName) |
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238 | { |
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239 | return new self('Result set mapping named "'.$resultName.'" in "'.$entity.' requires a field name.'); |
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240 | } |
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241 | |||
242 | /** |
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243 | * @param string $className |
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244 | * |
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245 | * @return MappingException |
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246 | */ |
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247 | public static function nameIsMandatoryForSqlResultSetMapping($className) |
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248 | { |
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249 | return new self("Result set mapping name on entity class '$className' is not defined."); |
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250 | } |
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251 | |||
252 | /** |
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253 | * @param string $fieldName |
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254 | * |
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255 | * @return MappingException |
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256 | */ |
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257 | public static function oneToManyRequiresMappedBy($fieldName) |
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258 | { |
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259 | return new self("OneToMany mapping on field '$fieldName' requires the 'mappedBy' attribute."); |
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260 | } |
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261 | |||
262 | /** |
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263 | * @param string $fieldName |
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264 | * |
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265 | * @return MappingException |
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266 | */ |
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267 | public static function joinTableRequired($fieldName) |
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268 | { |
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269 | return new self("The mapping of field '$fieldName' requires an the 'joinTable' attribute."); |
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270 | } |
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271 | |||
272 | /** |
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273 | * Called if a required option was not found but is required |
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274 | * |
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275 | * @param string $field Which field cannot be processed? |
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276 | * @param string $expectedOption Which option is required |
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277 | * @param string $hint Can optionally be used to supply a tip for common mistakes, |
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278 | * e.g. "Did you think of the plural s?" |
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279 | * |
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280 | * @return MappingException |
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281 | */ |
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282 | static function missingRequiredOption($field, $expectedOption, $hint = '') |
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283 | { |
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284 | $message = "The mapping of field '{$field}' is invalid: The option '{$expectedOption}' is required."; |
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285 | |||
286 | if ( ! empty($hint)) { |
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287 | $message .= ' (Hint: ' . $hint . ')'; |
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288 | } |
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289 | |||
290 | return new self($message); |
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291 | } |
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292 | |||
293 | /** |
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294 | * Generic exception for invalid mappings. |
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295 | * |
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296 | * @param string $fieldName |
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297 | * |
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298 | * @return MappingException |
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299 | */ |
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300 | public static function invalidMapping($fieldName) |
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301 | { |
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302 | return new self("The mapping of field '$fieldName' is invalid."); |
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303 | } |
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304 | |||
305 | /** |
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306 | * Exception for reflection exceptions - adds the entity name, |
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307 | * because there might be long classnames that will be shortened |
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308 | * within the stacktrace |
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309 | * |
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310 | * @param string $entity The entity's name |
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311 | * @param \ReflectionException $previousException |
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312 | * |
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313 | * @return MappingException |
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314 | */ |
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315 | public static function reflectionFailure($entity, \ReflectionException $previousException) |
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316 | { |
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317 | return new self('An error occurred in ' . $entity, 0, $previousException); |
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318 | } |
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319 | |||
320 | /** |
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321 | * @param string $className |
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322 | * @param string $joinColumn |
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323 | * |
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324 | * @return MappingException |
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325 | */ |
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326 | public static function joinColumnMustPointToMappedField($className, $joinColumn) |
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327 | { |
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328 | return new self('The column ' . $joinColumn . ' must be mapped to a field in class ' |
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329 | . $className . ' since it is referenced by a join column of another class.'); |
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330 | } |
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331 | |||
332 | /** |
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333 | * @param string $className |
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334 | * |
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335 | * @return MappingException |
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336 | */ |
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337 | 5 | View Code Duplication | public static function classIsNotAValidEntityOrMappedSuperClass($className) |
338 | { |
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339 | 5 | if (false !== ($parent = get_parent_class($className))) { |
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340 | 3 | return new self(sprintf( |
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341 | 3 | 'Class "%s" sub class of "%s" is not a valid entity or mapped super class.', |
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342 | 3 | $className, $parent |
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343 | )); |
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344 | } |
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345 | |||
346 | 2 | return new self(sprintf( |
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347 | 2 | 'Class "%s" is not a valid entity or mapped super class.', |
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348 | 2 | $className |
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349 | )); |
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350 | } |
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351 | |||
352 | /** |
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353 | * @param string $className |
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354 | * @param string $propertyName |
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355 | * |
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356 | * @return MappingException |
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357 | */ |
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358 | public static function propertyTypeIsRequired($className, $propertyName) |
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359 | { |
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360 | return new self("The attribute 'type' is required for the column description of property ".$className."::\$".$propertyName."."); |
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361 | } |
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362 | |||
363 | /** |
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364 | * @param string $className |
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365 | * |
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366 | * @return MappingException |
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367 | */ |
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368 | public static function tableIdGeneratorNotImplemented($className) |
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369 | { |
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370 | return new self("TableIdGenerator is not yet implemented for use with class ".$className); |
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371 | } |
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372 | |||
373 | /** |
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374 | * @param string $entity The entity's name. |
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375 | * @param string $fieldName The name of the field that was already declared. |
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376 | * |
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377 | * @return MappingException |
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378 | */ |
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379 | 2 | public static function duplicateFieldMapping($entity, $fieldName) |
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383 | |||
384 | /** |
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385 | * @param string $entity |
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386 | * @param string $fieldName |
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387 | * |
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388 | * @return MappingException |
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389 | */ |
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390 | 1 | public static function duplicateAssociationMapping($entity, $fieldName) |
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394 | |||
395 | /** |
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396 | * @param string $entity |
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397 | * @param string $queryName |
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398 | * |
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399 | * @return MappingException |
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400 | */ |
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401 | 2 | public static function duplicateQueryMapping($entity, $queryName) |
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405 | |||
406 | /** |
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407 | * @param string $entity |
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408 | * @param string $resultName |
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409 | * |
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410 | * @return MappingException |
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411 | */ |
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412 | 1 | public static function duplicateResultSetMapping($entity, $resultName) |
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416 | |||
417 | /** |
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418 | * @param string $entity |
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419 | * |
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420 | * @return MappingException |
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421 | */ |
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422 | 1 | public static function singleIdNotAllowedOnCompositePrimaryKey($entity) |
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426 | |||
427 | /** |
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428 | * @param string $entity |
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429 | * |
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430 | * @return MappingException |
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431 | */ |
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432 | 1 | public static function noIdDefined($entity) |
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433 | { |
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434 | 1 | return new self('No ID defined for entity ' . $entity); |
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435 | } |
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436 | |||
437 | /** |
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438 | * @param string $entity |
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439 | * @param string $fieldName |
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440 | * @param string $unsupportedType |
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441 | * |
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442 | * @return MappingException |
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443 | */ |
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444 | 1 | public static function unsupportedOptimisticLockingType($entity, $fieldName, $unsupportedType) |
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445 | { |
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446 | 1 | return new self('Locking type "'.$unsupportedType.'" (specified in "'.$entity.'", field "'.$fieldName.'") ' |
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450 | |||
451 | /** |
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452 | * @param string|null $path |
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453 | * |
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454 | * @return MappingException |
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455 | */ |
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456 | public static function fileMappingDriversRequireConfiguredDirectoryPath($path = null) |
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457 | { |
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458 | if ( ! empty($path)) { |
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459 | $path = '[' . $path . ']'; |
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460 | } |
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461 | |||
462 | return new self( |
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463 | 'File mapping drivers must have a valid directory path, ' . |
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464 | 'however the given path ' . $path . ' seems to be incorrect!' |
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465 | ); |
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466 | } |
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467 | |||
468 | /** |
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469 | * Returns an exception that indicates that a class used in a discriminator map does not exist. |
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470 | * An example would be an outdated (maybe renamed) classname. |
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471 | * |
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472 | * @param string $className The class that could not be found |
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473 | * @param string $owningClass The class that declares the discriminator map. |
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474 | * |
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475 | * @return MappingException |
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476 | */ |
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477 | public static function invalidClassInDiscriminatorMap($className, $owningClass) |
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478 | { |
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479 | return new self( |
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480 | "Entity class '$className' used in the discriminator map of class '$owningClass' ". |
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481 | "does not exist." |
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482 | ); |
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483 | } |
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484 | |||
485 | /** |
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486 | * @param string $className |
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487 | * @param array $entries |
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488 | * @param array $map |
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489 | * |
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490 | * @return MappingException |
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491 | */ |
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492 | public static function duplicateDiscriminatorEntry($className, array $entries, array $map) |
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493 | { |
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494 | return new self( |
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495 | "The entries " . implode(', ', $entries) . " in discriminator map of class '" . $className . "' is duplicated. " . |
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496 | "If the discriminator map is automatically generated you have to convert it to an explicit discriminator map now. " . |
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497 | "The entries of the current map are: @DiscriminatorMap({" . implode(', ', array_map( |
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498 | function($a, $b) { return "'$a': '$b'"; }, array_keys($map), array_values($map) |
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499 | )) . "})" |
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500 | ); |
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501 | } |
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502 | |||
503 | /** |
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504 | * @param string $className |
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505 | * |
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506 | * @return MappingException |
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507 | */ |
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508 | public static function missingDiscriminatorMap($className) |
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509 | { |
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510 | return new self("Entity class '$className' is using inheritance but no discriminator map was defined."); |
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511 | } |
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512 | |||
513 | /** |
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514 | * @param string $className |
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515 | * |
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516 | * @return MappingException |
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517 | */ |
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518 | public static function missingDiscriminatorColumn($className) |
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519 | { |
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520 | return new self("Entity class '$className' is using inheritance but no discriminator column was defined."); |
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521 | } |
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522 | |||
523 | /** |
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524 | * @param string $className |
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525 | * @param string $type |
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526 | * |
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527 | * @return MappingException |
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528 | */ |
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529 | public static function invalidDiscriminatorColumnType($className, $type) |
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530 | { |
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531 | return new self("Discriminator column type on entity class '$className' is not allowed to be '$type'. 'string' or 'integer' type variables are suggested!"); |
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532 | } |
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533 | |||
534 | /** |
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535 | * @param string $className |
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536 | * |
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537 | * @return MappingException |
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538 | */ |
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539 | 1 | public static function nameIsMandatoryForDiscriminatorColumns($className) |
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543 | |||
544 | /** |
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545 | * @param string $className |
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546 | * @param string $fieldName |
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547 | * |
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548 | * @return MappingException |
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549 | */ |
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550 | public static function cannotVersionIdField($className, $fieldName) |
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551 | { |
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552 | return new self("Setting Id field '$fieldName' as versionable in entity class '$className' is not supported."); |
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553 | } |
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554 | |||
555 | /** |
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556 | * @param string $className |
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557 | * @param string $fieldName |
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558 | * @param string $type |
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559 | * |
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560 | * @return MappingException |
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561 | */ |
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562 | public static function sqlConversionNotAllowedForIdentifiers($className, $fieldName, $type) |
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563 | { |
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564 | return new self("It is not possible to set id field '$fieldName' to type '$type' in entity class '$className'. The type '$type' requires conversion SQL which is not allowed for identifiers."); |
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565 | } |
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566 | |||
567 | /** |
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568 | * @param string $className |
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569 | * @param string $columnName |
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570 | * |
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571 | * @return MappingException |
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572 | */ |
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573 | 3 | public static function duplicateColumnName($className, $columnName) |
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577 | |||
578 | /** |
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579 | * @param string $className |
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580 | * @param string $field |
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581 | * |
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582 | * @return MappingException |
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583 | */ |
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584 | 1 | public static function illegalToManyAssociationOnMappedSuperclass($className, $field) |
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588 | |||
589 | /** |
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590 | * @param string $className |
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591 | * @param string $targetEntity |
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592 | * @param string $targetField |
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593 | * |
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594 | * @return MappingException |
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595 | */ |
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596 | public static function cannotMapCompositePrimaryKeyEntitiesAsForeignId($className, $targetEntity, $targetField) |
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597 | { |
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598 | return new self("It is not possible to map entity '".$className."' with a composite primary key ". |
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599 | "as part of the primary key of another entity '".$targetEntity."#".$targetField."'."); |
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600 | } |
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601 | |||
602 | /** |
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603 | * @param string $className |
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604 | * @param string $field |
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605 | * |
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606 | * @return MappingException |
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607 | */ |
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608 | public static function noSingleAssociationJoinColumnFound($className, $field) |
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609 | { |
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610 | return new self("'$className#$field' is not an association with a single join column."); |
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611 | } |
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612 | |||
613 | /** |
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614 | * @param string $className |
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615 | * @param string $column |
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616 | * |
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617 | * @return MappingException |
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618 | */ |
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619 | public static function noFieldNameFoundForColumn($className, $column) |
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620 | { |
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621 | return new self("Cannot find a field on '$className' that is mapped to column '$column'. Either the ". |
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622 | "field does not exist or an association exists but it has multiple join columns."); |
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623 | } |
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624 | |||
625 | /** |
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626 | * @param string $className |
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627 | * @param string $field |
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628 | * |
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629 | * @return MappingException |
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630 | */ |
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631 | 1 | public static function illegalOrphanRemovalOnIdentifierAssociation($className, $field) |
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636 | |||
637 | /** |
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638 | * @param string $className |
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639 | * @param string $field |
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640 | * |
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641 | * @return MappingException |
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642 | */ |
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643 | 1 | public static function illegalOrphanRemoval($className, $field) |
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648 | |||
649 | /** |
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650 | * @param string $className |
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651 | * @param string $field |
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652 | * |
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653 | * @return MappingException |
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654 | */ |
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655 | 2 | public static function illegalInverseIdentifierAssociation($className, $field) |
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659 | |||
660 | /** |
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661 | * @param string $className |
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662 | * @param string $field |
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663 | * |
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664 | * @return MappingException |
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665 | */ |
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666 | 3 | public static function illegalToManyIdentifierAssociation($className, $field) |
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670 | |||
671 | /** |
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672 | * @param string $className |
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673 | * |
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674 | * @return MappingException |
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675 | */ |
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676 | 1 | public static function noInheritanceOnMappedSuperClass($className) |
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680 | |||
681 | /** |
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682 | * @param string $className |
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683 | * @param string $rootClassName |
||
684 | * |
||
685 | * @return MappingException |
||
686 | */ |
||
687 | 1 | public static function mappedClassNotPartOfDiscriminatorMap($className, $rootClassName) |
|
695 | |||
696 | /** |
||
697 | * @param string $className |
||
698 | * @param string $methodName |
||
699 | * |
||
700 | * @return MappingException |
||
701 | */ |
||
702 | 1 | public static function lifecycleCallbackMethodNotFound($className, $methodName) |
|
706 | |||
707 | /** |
||
708 | * @param string $listenerName |
||
709 | * @param string $className |
||
710 | * |
||
711 | * @return \Doctrine\ORM\Mapping\MappingException |
||
712 | */ |
||
713 | 1 | public static function entityListenerClassNotFound($listenerName, $className) |
|
717 | |||
718 | /** |
||
719 | * @param string $listenerName |
||
720 | * @param string $methodName |
||
721 | * @param string $className |
||
722 | * |
||
723 | * @return \Doctrine\ORM\Mapping\MappingException |
||
724 | */ |
||
725 | 1 | public static function entityListenerMethodNotFound($listenerName, $methodName, $className) |
|
729 | |||
730 | /** |
||
731 | * @param string $listenerName |
||
732 | * @param string $methodName |
||
733 | * @param string $className |
||
734 | * |
||
735 | * @return \Doctrine\ORM\Mapping\MappingException |
||
736 | */ |
||
737 | 1 | public static function duplicateEntityListener($listenerName, $methodName, $className) |
|
741 | |||
742 | /** |
||
743 | * @param string $className |
||
744 | * @param string $annotation |
||
745 | * |
||
746 | * @return MappingException |
||
747 | */ |
||
748 | public static function invalidFetchMode($className, $annotation) |
||
749 | { |
||
750 | return new self("Entity '" . $className . "' has a mapping with invalid fetch mode '" . $annotation . "'"); |
||
751 | } |
||
752 | |||
753 | /** |
||
754 | * @param string $className |
||
755 | * |
||
756 | * @return MappingException |
||
757 | */ |
||
758 | public static function compositeKeyAssignedIdGeneratorRequired($className) |
||
759 | { |
||
760 | return new self("Entity '". $className . "' has a composite identifier but uses an ID generator other than manually assigning (Identity, Sequence). This is not supported."); |
||
761 | } |
||
762 | |||
763 | /** |
||
764 | * @param string $targetEntity |
||
765 | * @param string $sourceEntity |
||
766 | * @param string $associationName |
||
767 | * |
||
768 | * @return MappingException |
||
769 | */ |
||
770 | 1 | public static function invalidTargetEntityClass($targetEntity, $sourceEntity, $associationName) |
|
774 | |||
775 | /** |
||
776 | * @param array $cascades |
||
777 | * @param string $className |
||
778 | * @param string $propertyName |
||
779 | * |
||
780 | * @return MappingException |
||
781 | */ |
||
782 | public static function invalidCascadeOption(array $cascades, $className, $propertyName) |
||
783 | { |
||
784 | $cascades = implode(", ", array_map(function ($e) { return "'" . $e . "'"; }, $cascades)); |
||
785 | |||
786 | 1 | return new self(sprintf( |
|
787 | 1 | "You have specified invalid cascade options for %s::$%s: %s; available options: 'remove', 'persist', 'refresh', 'merge', and 'detach'", |
|
788 | 1 | $className, |
|
789 | 1 | $propertyName, |
|
790 | 1 | $cascades |
|
791 | )); |
||
792 | } |
||
793 | |||
794 | /** |
||
795 | * @param string $className |
||
796 | * |
||
797 | * @return MappingException |
||
798 | */ |
||
799 | 1 | public static function missingSequenceName($className) |
|
805 | |||
806 | /** |
||
807 | * @param string $className |
||
808 | * @param string $propertyName |
||
809 | * |
||
810 | * @return MappingException |
||
811 | */ |
||
812 | 2 | public static function infiniteEmbeddableNesting($className, $propertyName) |
|
813 | { |
||
814 | 2 | return new self( |
|
815 | 2 | sprintf( |
|
816 | 'Infinite nesting detected for embedded property %s::%s. ' . |
||
817 | 2 | 'You cannot embed an embeddable from the same type inside an embeddable.', |
|
818 | 2 | $className, |
|
819 | 2 | $propertyName |
|
820 | ) |
||
821 | ); |
||
823 | } |
||
824 |
Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.