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daugeldauge#2 Lazy/provider injection
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Ivan Samoylenko
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Jan 7, 2024
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5 changes: 3 additions & 2 deletions
5
...sor/src/jvmMain/kotlin/com/daugeldauge/kinzhal/processor/generation/ComponentGenerator.kt
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77 changes: 77 additions & 0 deletions
77
...ssor/src/jvmMain/kotlin/com/daugeldauge/kinzhal/processor/generation/FactoryDependency.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package com.daugeldauge.kinzhal.processor.generation | ||
|
|
||
| import com.daugeldauge.kinzhal.annotations.Assisted | ||
| import com.daugeldauge.kinzhal.processor.model.Key | ||
| import com.daugeldauge.kinzhal.processor.requireQualifiedName | ||
| import com.daugeldauge.kinzhal.processor.resolveToUnderlying | ||
| import com.daugeldauge.kinzhal.processor.toKey | ||
| import com.google.devtools.ksp.symbol.KSValueParameter | ||
| import com.squareup.kotlinpoet.CodeBlock | ||
| import com.squareup.kotlinpoet.LambdaTypeName | ||
|
|
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| internal data class FactoryDependency( | ||
| val parameterName: String, | ||
| val key: Key, | ||
| val isAssisted: Boolean, | ||
| val laziness: Laziness, | ||
| ) { | ||
| enum class Laziness { | ||
| None, | ||
| Lazy, | ||
| Provider, | ||
| } | ||
|
|
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| companion object { | ||
| fun fromParameter(parameter: KSValueParameter): FactoryDependency { | ||
| val resolvedParameter = parameter.type.resolveToUnderlying() | ||
| val isAssisted = parameter.isAssisted | ||
|
|
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| val (laziness, adjustedType) = when { | ||
| isAssisted -> Laziness.None to parameter.type | ||
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| resolvedParameter.declaration.qualifiedName?.asString() == Lazy::class.java.name -> { | ||
| Laziness.Lazy to resolvedParameter.arguments.first().type!! | ||
| } | ||
|
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| resolvedParameter.declaration.qualifiedName?.asString() == "kotlin.Function0" -> { | ||
| Laziness.Provider to resolvedParameter.arguments.first().type!! | ||
| } | ||
|
|
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| else -> Laziness.None to parameter.type | ||
| } | ||
| return FactoryDependency( | ||
| parameterName = parameter.name!!.asString(), | ||
| key = adjustedType.toKey(parameter.annotations), | ||
| laziness = laziness, | ||
| isAssisted = isAssisted, | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
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| internal val FactoryDependency.providerName: String | ||
| get() = if (isAssisted) { | ||
| parameterName | ||
| } else { | ||
| "${parameterName}Provider" | ||
| } | ||
|
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| internal val FactoryDependency.providerType: LambdaTypeName | ||
| get() = LambdaTypeName.get(returnType = key.asTypeName()) | ||
|
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| internal fun CodeBlock.Builder.addProviderCodeBlock(dependency: FactoryDependency, transitiveProvider: Boolean) { | ||
| if (transitiveProvider) { | ||
| add("%N", dependency.providerName) | ||
| } else { | ||
| when (dependency.laziness) { | ||
| FactoryDependency.Laziness.None -> add("%N()", dependency.providerName) | ||
| FactoryDependency.Laziness.Lazy -> add("lazy { %N() }", dependency.providerName) | ||
| FactoryDependency.Laziness.Provider -> add("%N", dependency.providerName) | ||
| } | ||
| } | ||
| } | ||
|
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| private val KSValueParameter.isAssisted: Boolean | ||
| get() = annotations.any { | ||
| it.annotationType.resolve().declaration.qualifiedName?.asString() == Assisted::class.requireQualifiedName() | ||
| } |
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