Modify annotation.

build.gradle.kts

@@ -30,7 +30,7 @@ repositories {
 dependencies {
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
     implementation(kotlin("reflect"))
-    implementation("com.github.ProjectMapK:Shared:0.2")
+    implementation("com.github.ProjectMapK:Shared:0.3")
 
     // https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter
     testImplementation(group = "org.junit.jupiter", name = "junit-jupiter", version = "5.6.0") {

src/main/kotlin/com/mapk/annotations/KGetterAlias.kt

@@ -1,5 +1,5 @@
 package com.mapk.annotations
 
-@Target(AnnotationTarget.PROPERTY)
+@Target(AnnotationTarget.PROPERTY_GETTER)
 @Retention(AnnotationRetention.RUNTIME)
 annotation class KGetterAlias(val value: String)

src/main/kotlin/com/mapk/annotations/KPropertyIgnore.kt → src/main/kotlin/com/mapk/annotations/KGetterIgnore.kt

@@ -1,6 +1,6 @@
 package com.mapk.annotations
 
-@Target(AnnotationTarget.PROPERTY)
+@Target(AnnotationTarget.PROPERTY_GETTER)
 @Retention(AnnotationRetention.RUNTIME)
 @MustBeDocumented
-annotation class KPropertyIgnore
+annotation class KGetterIgnore

src/main/kotlin/com/mapk/kmapper/KMapper.kt

@@ -2,8 +2,8 @@ package com.mapk.kmapper
 
 import com.mapk.annotations.KConstructor
 import com.mapk.annotations.KGetterAlias
-import com.mapk.annotations.KPropertyAlias
-import com.mapk.annotations.KPropertyIgnore
+import com.mapk.annotations.KGetterIgnore
+import com.mapk.annotations.KParameterAlias
 import com.mapk.core.ArgumentBucket
 import com.mapk.core.EnumMapper
 import com.mapk.core.KFunctionForCall
@@ -35,7 +35,7 @@ class KMapper<T : Any> private constructor(
     private val parameterMap: Map<String, ParameterForMap<*>> = function.parameters
         .filter { it.kind != KParameter.Kind.INSTANCE }
         .associate {
-            (it.findAnnotation<KPropertyAlias>()?.value ?: propertyNameConverter(it.name!!)) to
+            (it.findAnnotation<KParameterAlias>()?.value ?: propertyNameConverter(it.name!!)) to
                     ParameterForMap.newInstance(it)
         }
 
@@ -51,21 +51,26 @@ class KMapper<T : Any> private constructor(
     }
 
     private fun bindArguments(argumentBucket: ArgumentBucket, src: Any) {
-        src::class.memberProperties.forEach { property ->
-            val javaGetter: Method? = property.javaGetter
-            if (javaGetter != null && property.visibility == KVisibility.PUBLIC && property.annotations.none { annotation -> annotation is KPropertyIgnore }) {
-                parameterMap[property.findAnnotation<KGetterAlias>()?.value ?: property.name]?.let {
-                    // javaGetterを呼び出す方が高速
-                    javaGetter.isAccessible = true
-                    argumentBucket.setArgument(javaGetter.invoke(src)?.let { value ->
-                        mapObject(
-                            it,
-                            value
-                        )
-                    }, it.index)
-                    // 終了判定
-                    if (argumentBucket.isInitialized) return
-                }
+        src::class.memberProperties.forEach outer@{ property ->
+            // propertyが公開されていない場合は処理を行わない
+            if (property.visibility != KVisibility.PUBLIC) return@outer
+
+            // ゲッターが取れない場合は処理を行わない
+            val javaGetter: Method = property.javaGetter ?: return@outer
+
+            var alias: String? = null
+            // NOTE: IgnoreとAliasが同時に指定されるようなパターンを考慮してaliasが取れてもbreakしていない
+            javaGetter.annotations.forEach {
+                if (it is KGetterIgnore) return@outer // ignoreされている場合は処理を行わない
+                if (it is KGetterAlias) alias = it.value
+            }
+
+            parameterMap[alias ?: property.name]?.let {
+                // javaGetterを呼び出す方が高速
+                javaGetter.isAccessible = true
+                argumentBucket.setArgument(javaGetter.invoke(src)?.let { value -> mapObject(it, value) }, it.index)
+                // 終了判定
+                if (argumentBucket.isInitialized) return
             }
         }
     }

src/test/kotlin/com/mapk/kmapper/KGetterIgnoreTest.kt

@@ -0,0 +1,29 @@
+package com.mapk.kmapper
+
+import com.mapk.annotations.KGetterIgnore
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+
+class KGetterIgnoreTest {
+    data class Src1(val arg1: Int, val arg2: String, @get:KGetterIgnore val arg3: Short)
+    data class Src2(@get:KGetterIgnore val arg2: String, val arg3: Int, val arg4: String)
+
+    data class Dst(val arg1: Int, val arg2: String, val arg3: Int, val arg4: String)
+
+    @Test
+    @DisplayName("フィールドを無視するテスト")
+    fun test() {
+        val src1 = Src1(1, "2-1", 31)
+        val src2 = Src2("2-2", 32, "4")
+
+        val mapper = KMapper(::Dst)
+
+        val dst1 = mapper.map(src1, src2)
+        val dst2 = mapper.map(src2, src1)
+
+        assertTrue(dst1 == dst2)
+        assertEquals(Dst(1, "2-1", 32, "4"), dst1)
+    }
+}

src/test/kotlin/com/mapk/kmapper/ParamAliasTest.kt → src/test/kotlin/com/mapk/kmapper/PropertyAliasTest.kt

@@ -1,24 +1,24 @@
 package com.mapk.kmapper
 
 import com.mapk.annotations.KGetterAlias
-import com.mapk.annotations.KPropertyAlias
+import com.mapk.annotations.KParameterAlias
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
 
 private data class AliasedDst(
     val arg1: Double,
-    @param:KPropertyAlias("arg3") val arg2: Int
+    @param:KParameterAlias("arg3") val arg2: Int
 )
 
 private data class AliasedSrc(
-    @KGetterAlias("arg1")
+    @get:KGetterAlias("arg1")
     val arg2: Double,
     val arg3: Int
 )
 
 @DisplayName("エイリアスを貼った場合のテスト")
-class ParamAliasTest {
+class PropertyAliasTest {
     @Test
     @DisplayName("パラメータにエイリアスを貼った場合")
     fun paramAliasTest() {