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Added generation of builders that will be used for shallow copying in…
… persist method TODO: Generate shallow copy extension function
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141 changes: 141 additions & 0 deletions
141
...lin/com/beeproduced/bee/persistent/blaze/processor/codegen/BeePersistentBuilderCodegen.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| package com.beeproduced.bee.persistent.blaze.processor.codegen | ||
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||
| import com.beeproduced.bee.generative.util.PoetMap | ||
| import com.beeproduced.bee.generative.util.PoetMap.Companion.addNStatementBuilder | ||
| import com.beeproduced.bee.generative.util.toPoetClassName | ||
| import com.beeproduced.bee.persistent.blaze.processor.codegen.BeePersistentBuilderCodegen.PoetConstants.CLAZZ | ||
| import com.beeproduced.bee.persistent.blaze.processor.codegen.BeePersistentBuilderCodegen.PoetConstants.FIELD | ||
| import com.beeproduced.bee.persistent.blaze.processor.info.EntityInfo | ||
| import com.beeproduced.bee.persistent.blaze.processor.info.EntityProperty | ||
| import com.beeproduced.bee.persistent.blaze.processor.info.RepoInfo | ||
| import com.beeproduced.bee.persistent.blaze.processor.utils.* | ||
| import com.google.devtools.ksp.processing.CodeGenerator | ||
| import com.google.devtools.ksp.processing.Dependencies | ||
| import com.google.devtools.ksp.processing.KSPLogger | ||
| import com.squareup.kotlinpoet.* | ||
| import com.squareup.kotlinpoet.ksp.toClassName | ||
| import com.squareup.kotlinpoet.ksp.toTypeName | ||
| import com.squareup.kotlinpoet.ksp.writeTo | ||
|
|
||
| /** | ||
| * | ||
| * | ||
| * @author Kacper Urbaniec | ||
| * @version 2024-01-13 | ||
| */ | ||
| typealias FullyQualifiedName = String | ||
|
|
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| class BeePersistentBuilderCodegen( | ||
| private val codeGenerator: CodeGenerator, | ||
| private val dependencies: Dependencies, | ||
| private val logger: KSPLogger, | ||
| private val views: ViewInfo, | ||
| private val entities: Map<FullyQualifiedName, EntityInfo>, | ||
| private val config: BeePersistentBlazeConfig | ||
| ) { | ||
| private val packageName = config.builderPackageName | ||
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| private val poetMap: PoetMap = PoetMap() | ||
| private fun FunSpec.Builder.addNamedStmt(format: String) | ||
| = addNStatementBuilder(format, poetMap) | ||
| private fun CodeBlock.Builder.addNamedStmt(format: String) | ||
| = addNStatementBuilder(format, poetMap) | ||
|
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| object PoetConstants { | ||
| const val FIELD = "%field:T" | ||
| const val CLAZZ = "%clazz:T" | ||
| } | ||
|
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| init { | ||
| poetMap.addMapping(FIELD, ClassName("java.lang.reflect", "Field")) | ||
| } | ||
|
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| fun processRepoBuilder(repos: List<RepoInfo>) { | ||
| for (repo in repos) | ||
| processRepoBuilder(repo) | ||
| } | ||
|
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| private fun processRepoBuilder(repo: RepoInfo) { | ||
| logger.info("processRepoBuilder($repo)") | ||
| val view = views.findViewFromRepo(repo) | ||
| val entity = view.entity | ||
|
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|
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| val className = "${entity.uniqueName}Builder" | ||
|
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| val file = FileSpec.builder(packageName, className) | ||
| if (entity.subClasses == null) file.buildBuilderModule(entity) | ||
| else { | ||
| val subEntities = entity.subClasses.map { entities.getValue(it) } | ||
| for (subEntity in subEntities) file.buildBuilderModule(subEntity) | ||
| } | ||
|
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| file | ||
| .build() | ||
| .writeTo(codeGenerator, dependencies) | ||
| } | ||
|
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| private fun FileSpec.Builder.buildBuilderModule(entity: EntityInfo) = apply { | ||
| poetMap.addMapping(CLAZZ, entity.qualifiedName.toPoetClassName()) | ||
| buildInfo(entity) // Generate reflection info | ||
| buildBuilder(entity) // Generate builder for cloning | ||
| // Gerate clone extension function | ||
| } | ||
|
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| private fun FileSpec.Builder.buildBuilder(entity: EntityInfo) = apply { | ||
| val entityBuilder = TypeSpec.classBuilder(entity.builderName()) | ||
|
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| val instance = "instance" | ||
| val constructor = FunSpec.constructorBuilder() | ||
| .addParameter(instance, poetMap.classMapping(CLAZZ)) | ||
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| entityBuilder.primaryConstructor(constructor.build()) | ||
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| val accessInfo = entity.accessInfo(false) | ||
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| for (prop in accessInfo.props) { | ||
| val propType = prop.type.toTypeName() | ||
| val builderProperty = PropertySpec.builder(prop.simpleName, propType) | ||
| .initializer("$instance.${prop.simpleName}") | ||
| .mutable(true) | ||
| entityBuilder.addProperty(builderProperty.build()) | ||
| } | ||
|
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| val infoObjName = entity.infoName() | ||
| for (prop in accessInfo.reflectionProps) { | ||
| val propType = prop.type.toTypeName() | ||
| val getterName = prop.type.reflectionGettterName() | ||
| val builderProperty = PropertySpec.builder(prop.simpleName, propType) | ||
| .initializer("${infoObjName}.${prop.infoField()}.${getterName}(instance) as %T", propType) | ||
| .mutable(true) | ||
| entityBuilder.addProperty(builderProperty.build()) | ||
| } | ||
|
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| addType(entityBuilder.build()) | ||
| } | ||
|
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| private fun FileSpec.Builder.buildInfo(entity: EntityInfo) = apply { | ||
| val construction = entity.accessInfo(false) | ||
| if (construction.reflectionProps.isEmpty()) return@apply | ||
|
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| val infoObj = TypeSpec.objectBuilder(entity.infoName()) | ||
| val entityClassName = entity.declaration.toClassName() | ||
| for (property in construction.reflectionProps) { | ||
| val reflectionField = PropertySpec | ||
| .builder(property.infoField(), poetMap.classMapping(FIELD)) | ||
| .initializer( | ||
| "%T::class.java.getDeclaredField(\"${property.simpleName}\").apply { isAccessible = true }", | ||
| entityClassName | ||
| ) | ||
| infoObj.addProperty(reflectionField.build()) | ||
| } | ||
| addType(infoObj.build()) | ||
| } | ||
|
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| private fun EntityInfo.builderName(): String = "${uniqueName}Builder" | ||
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| private fun EntityInfo.infoName(): String = "${uniqueName}BuilderInfo" | ||
|
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| private fun EntityProperty.infoField(): String = "${simpleName}Field" | ||
|
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||
| } |
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120 changes: 120 additions & 0 deletions
120
...aze-processor/kotlin/com/beeproduced/bee/persistent/blaze/processor/utils/Construction.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| package com.beeproduced.bee.persistent.blaze.processor.utils | ||
|
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| import com.beeproduced.bee.persistent.blaze.processor.info.BaseInfo | ||
| import com.beeproduced.bee.persistent.blaze.processor.info.EntityProperty | ||
| import com.google.devtools.ksp.symbol.KSType | ||
| import com.google.devtools.ksp.symbol.Modifier | ||
|
|
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| /** | ||
| * | ||
| * | ||
| * @author Kacper Urbaniec | ||
| * @version 2024-01-13 | ||
| */ | ||
|
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|
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| data class AccessInfo( | ||
| val props: List<EntityProperty>, | ||
| val reflectionProps: List<EntityProperty> | ||
| ) | ||
|
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| fun BaseInfo.accessInfo(jpaPropsOnly: Boolean = true): AccessInfo { | ||
| val propsToUse = if (jpaPropsOnly) jpaProperties else properties | ||
|
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| val props = mutableListOf<EntityProperty>() | ||
| val reflectionProps = mutableListOf<EntityProperty>() | ||
|
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| for (prop in propsToUse) { | ||
| val modifiers = prop.declaration.modifiers | ||
| if ( | ||
| modifiers.contains(Modifier.PRIVATE) || | ||
| modifiers.contains(Modifier.PROTECTED) || | ||
| modifiers.contains(Modifier.INTERNAL) | ||
| ) { | ||
| reflectionProps.add(prop) | ||
| } else | ||
| props.add(prop) | ||
| } | ||
|
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| return AccessInfo(props, reflectionProps) | ||
| } | ||
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| data class ConstructionInfo( | ||
| val constructorProps: List<EntityProperty>, | ||
| val setterProps: List<EntityProperty>, | ||
| val reflectionProps: List<EntityProperty> | ||
| ) | ||
|
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| fun BaseInfo.constructionInfo(jpaPropsOnly: Boolean = true): ConstructionInfo { | ||
| val constructor = declaration.primaryConstructor | ||
| ?: throw IllegalArgumentException("Class [${qualifiedName}] has no primary constructor.") | ||
|
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| val propsToUse = if (jpaPropsOnly) jpaProperties else properties | ||
| val props = propsToUse | ||
| .associateByTo(HashMap(propsToUse.count())) { | ||
| it.simpleName | ||
| } | ||
|
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| val constructorProperties = constructor.parameters.map { parameter -> | ||
| val pName = requireNotNull(parameter.name).asString() | ||
| if (!parameter.isVal && !parameter.isVar) { | ||
| throw IllegalArgumentException("Class [${qualifiedName}] has non managed constructor parameter type [$pName]") | ||
| } | ||
| val jpaProp = props.remove(pName) | ||
| ?: throw IllegalArgumentException("Class [${qualifiedName}] has non managed constructor parameter type [$pName]") | ||
|
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| jpaProp | ||
| } | ||
|
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| val setterProperties = mutableListOf<EntityProperty>() | ||
| val reflectionProperties = mutableListOf<EntityProperty>() | ||
| for (jpaProp in props.values) { | ||
| val modifiers = jpaProp.declaration.modifiers | ||
| if ( | ||
| modifiers.contains(Modifier.PRIVATE) || | ||
| modifiers.contains(Modifier.PROTECTED) || | ||
| modifiers.contains(Modifier.INTERNAL) | ||
| ) { | ||
| reflectionProperties.add(jpaProp) | ||
| } else if (!jpaProp.declaration.isMutable) { | ||
| reflectionProperties.add(jpaProp) | ||
| } else setterProperties.add(jpaProp) | ||
| } | ||
|
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| return ConstructionInfo( | ||
| constructorProperties, | ||
| setterProperties, | ||
| reflectionProperties | ||
| ) | ||
| } | ||
|
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| fun KSType.reflectionSetterName(): String { | ||
| val rpType = declaration.simpleName.asString() | ||
| return when (rpType) { | ||
| "Double" -> "setDouble" | ||
| "Float" -> "setFloat" | ||
| "Long" -> "setLong" | ||
| "Int" -> "setInt" | ||
| "Short" -> "setShort" | ||
| "Byte" -> "setByte" | ||
| "Boolean" -> "setBoolean" | ||
| "Char" -> "setChar" | ||
| else -> "set" | ||
| } | ||
| } | ||
|
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| fun KSType.reflectionGettterName(): String { | ||
| val rpType = declaration.simpleName.asString() | ||
| return when (rpType) { | ||
| "Double" -> "getDouble" | ||
| "Float" -> "getFloat" | ||
| "Long" -> "getLong" | ||
| "Int" -> "getInt" | ||
| "Short" -> "getShort" | ||
| "Byte" -> "getByte" | ||
| "Boolean" -> "getBoolean" | ||
| "Char" -> "getChar" | ||
| else -> "get" | ||
| } | ||
| } |
18 changes: 18 additions & 0 deletions
18
...t/src/blaze-processor/kotlin/com/beeproduced/bee/persistent/blaze/processor/utils/View.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| package com.beeproduced.bee.persistent.blaze.processor.utils | ||
|
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| import com.beeproduced.bee.persistent.blaze.processor.codegen.EntityViewInfo | ||
| import com.beeproduced.bee.persistent.blaze.processor.codegen.ViewInfo | ||
| import com.beeproduced.bee.persistent.blaze.processor.info.RepoInfo | ||
|
|
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| /** | ||
| * | ||
| * | ||
| * @author Kacper Urbaniec | ||
| * @version 2024-01-13 | ||
| */ | ||
|
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| fun ViewInfo.findViewFromRepo(repo: RepoInfo) : EntityViewInfo { | ||
| val qualifiedName = repo.entityType.declaration.qualifiedName?.asString() | ||
| return coreEntityViewsByQualifiedName[qualifiedName] | ||
| ?: throw IllegalArgumentException("No view for [$qualifiedName] found") | ||
| } |