PojoProcessor.kt revision 1a74519922de68e007027d56aae9370ee21f31f9
113a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar/* 213a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * Copyright (C) 2017 The Android Open Source Project 313a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * 413a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * Licensed under the Apache License, Version 2.0 (the "License"); 513a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * you may not use this file except in compliance with the License. 613a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * You may obtain a copy of the License at 713a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * 813a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * http://www.apache.org/licenses/LICENSE-2.0 913a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * 1013a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * Unless required by applicable law or agreed to in writing, software 1113a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * distributed under the License is distributed on an "AS IS" BASIS, 1213a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1313a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * See the License for the specific language governing permissions and 1413a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * limitations under the License. 1513a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar */ 1613a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar 1764db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarpackage android.arch.persistence.room.processor 1813a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar 1964db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.Relation 2064db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.ColumnInfo 214d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyarimport android.arch.persistence.room.Embedded 2264db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.Ignore 2364db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.ext.getAllFieldsIncludingPrivateSupers 2464db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.ext.getAnnotationValue 2564db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.ext.getAsString 2664db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.ext.getAsStringList 2764db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.ext.hasAnnotation 2864db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.ext.hasAnyOf 2964db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.ext.isCollection 3064db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.ext.toClassType 3164db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.processor.ProcessorErrors.CANNOT_FIND_GETTER_FOR_FIELD 3264db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.processor.ProcessorErrors.CANNOT_FIND_SETTER_FOR_FIELD 3364db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.processor.ProcessorErrors.CANNOT_FIND_TYPE 3464db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.processor.ProcessorErrors.POJO_FIELD_HAS_DUPLICATE_COLUMN_NAME 3564db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.processor.cache.Cache 3664db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.vo.CallType 3764db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.vo.Constructor 3864db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.vo.Field 3964db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.vo.FieldGetter 404d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyarimport android.arch.persistence.room.vo.EmbeddedField 4164db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.vo.Entity 4264db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.vo.FieldSetter 4364db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyarimport android.arch.persistence.room.vo.Pojo 44092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyarimport com.google.auto.common.AnnotationMirrors 4513a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyarimport com.google.auto.common.MoreElements 4613a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyarimport com.google.auto.common.MoreTypes 4713a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyarimport javax.lang.model.element.ExecutableElement 4813a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyarimport javax.lang.model.element.Modifier 4913a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyarimport javax.lang.model.element.Modifier.ABSTRACT 5013a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyarimport javax.lang.model.element.Modifier.PRIVATE 515bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyarimport javax.lang.model.element.Modifier.PROTECTED 525bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyarimport javax.lang.model.element.Modifier.PUBLIC 5313a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyarimport javax.lang.model.element.Modifier.STATIC 54a3a639f77c2d82b09b5cbcd4125b1d3b2a8ed252Yigit Boyarimport javax.lang.model.element.Modifier.TRANSIENT 551a74519922de68e007027d56aae9370ee21f31f9shepshapardimport javax.lang.model.element.Name 5613a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyarimport javax.lang.model.element.TypeElement 57092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyarimport javax.lang.model.element.VariableElement 5896cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyarimport javax.lang.model.type.DeclaredType 5913a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyarimport javax.lang.model.type.TypeKind 605bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyarimport javax.lang.model.type.TypeMirror 61f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyarimport javax.lang.model.util.ElementFilter 6213a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar 6313a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar/** 6413a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar * Processes any class as if it is a Pojo. 6513a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar */ 661a74519922de68e007027d56aae9370ee21f31f9shepshapardclass PojoProcessor(baseContext: Context, 671a74519922de68e007027d56aae9370ee21f31f9shepshapard val element: TypeElement, 6896cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar val bindingScope: FieldProcessor.BindingScope, 691a74519922de68e007027d56aae9370ee21f31f9shepshapard val parent: EmbeddedField?, 701a74519922de68e007027d56aae9370ee21f31f9shepshapard val referenceStack: LinkedHashSet<Name> = LinkedHashSet<Name>()) { 71aa82fce1d73394bdc7f4c2510cf94a3572032b24Yigit Boyar val context = baseContext.fork(element) 72092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar companion object { 734d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar val PROCESSED_ANNOTATIONS = listOf(ColumnInfo::class, Embedded::class, 74092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar Relation::class) 75092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 765124503104860e68981cc3e3092b95932586f66fYigit Boyar fun process() : Pojo { 775124503104860e68981cc3e3092b95932586f66fYigit Boyar return context.cache.pojos.get(Cache.PojoKey(element, bindingScope, parent), { 781a74519922de68e007027d56aae9370ee21f31f9shepshapard referenceStack.add(element.qualifiedName) 791a74519922de68e007027d56aae9370ee21f31f9shepshapard try { 801a74519922de68e007027d56aae9370ee21f31f9shepshapard doProcess() 811a74519922de68e007027d56aae9370ee21f31f9shepshapard } 821a74519922de68e007027d56aae9370ee21f31f9shepshapard finally { 831a74519922de68e007027d56aae9370ee21f31f9shepshapard referenceStack.remove(element.qualifiedName) 841a74519922de68e007027d56aae9370ee21f31f9shepshapard } 855124503104860e68981cc3e3092b95932586f66fYigit Boyar }) 865124503104860e68981cc3e3092b95932586f66fYigit Boyar } 875124503104860e68981cc3e3092b95932586f66fYigit Boyar 885124503104860e68981cc3e3092b95932586f66fYigit Boyar private fun doProcess(): Pojo { 8913a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar val declaredType = MoreTypes.asDeclared(element.asType()) 9096cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar // TODO handle conflicts with super: b/35568142 9196cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar val allFields = element.getAllFieldsIncludingPrivateSupers(context.processingEnv) 9213a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar .filter { 93a3a639f77c2d82b09b5cbcd4125b1d3b2a8ed252Yigit Boyar !it.hasAnnotation(Ignore::class) 94a3a639f77c2d82b09b5cbcd4125b1d3b2a8ed252Yigit Boyar && !it.hasAnyOf(STATIC) 95a3a639f77c2d82b09b5cbcd4125b1d3b2a8ed252Yigit Boyar && (!it.hasAnyOf(TRANSIENT) 96a3a639f77c2d82b09b5cbcd4125b1d3b2a8ed252Yigit Boyar || it.hasAnnotation(ColumnInfo::class) 97a3a639f77c2d82b09b5cbcd4125b1d3b2a8ed252Yigit Boyar || it.hasAnnotation(Embedded::class) 98a3a639f77c2d82b09b5cbcd4125b1d3b2a8ed252Yigit Boyar || it.hasAnnotation(Relation::class)) 9996cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar } 100092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar .groupBy { field -> 101092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar context.checker.check( 102092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar PROCESSED_ANNOTATIONS.count { field.hasAnnotation(it) } < 2, field, 103092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar ProcessorErrors.CANNOT_USE_MORE_THAN_ONE_POJO_FIELD_ANNOTATION 104092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar ) 1054d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar if (field.hasAnnotation(Embedded::class)) { 1064d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar Embedded::class 107092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } else if (field.hasAnnotation(Relation::class)) { 108092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar Relation::class 109092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } else { 110092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar null 111092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 112092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 1131a74519922de68e007027d56aae9370ee21f31f9shepshapard 114092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val myFields = allFields[null] 115092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar ?.map { 11696cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar FieldProcessor( 11796cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar baseContext = context, 11896cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar containing = declaredType, 11996cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar element = it, 12096cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar bindingScope = bindingScope, 12196cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar fieldParent = parent).process() 122092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } ?: emptyList() 123092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 1241a74519922de68e007027d56aae9370ee21f31f9shepshapard val embeddedFields = 1251a74519922de68e007027d56aae9370ee21f31f9shepshapard allFields[Embedded::class] 1261a74519922de68e007027d56aae9370ee21f31f9shepshapard ?.map { 1271a74519922de68e007027d56aae9370ee21f31f9shepshapard processEmbeddedField(declaredType, it) 1281a74519922de68e007027d56aae9370ee21f31f9shepshapard } 1291a74519922de68e007027d56aae9370ee21f31f9shepshapard ?.filterNotNull() 1301a74519922de68e007027d56aae9370ee21f31f9shepshapard ?: emptyList() 13113a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar 1321a74519922de68e007027d56aae9370ee21f31f9shepshapard val subFields = embeddedFields.flatMap { it.pojo.fields } 13396cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar val fields = myFields + subFields 134092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 135092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val myRelationsList = allFields[Relation::class] 136092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar ?.map { 137092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar processRelationField(fields, declaredType, it) 138092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 1391a74519922de68e007027d56aae9370ee21f31f9shepshapard ?.filterNotNull() 1401a74519922de68e007027d56aae9370ee21f31f9shepshapard ?: emptyList() 141092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 1424d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar val subRelations = embeddedFields.flatMap { it.pojo.relations } 143092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val relations = myRelationsList + subRelations 144092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 14596cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar fields.groupBy { it.columnName } 14696cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar .filter { it.value.size > 1 } 14796cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar .forEach { 14896cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar context.logger.e(element, ProcessorErrors.pojoDuplicateFieldNames( 14996cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar it.key, it.value.map(Field::getPath) 15096cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar )) 15196cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar it.value.forEach { 15296cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar context.logger.e(it.element, POJO_FIELD_HAS_DUPLICATE_COLUMN_NAME) 15396cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar } 15496cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar } 1551a74519922de68e007027d56aae9370ee21f31f9shepshapard 15696cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar val methods = MoreElements.getLocalAndInheritedMethods(element, 15796cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar context.processingEnv.elementUtils) 15813a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar .filter { 15996cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar !it.hasAnyOf(PRIVATE, ABSTRACT, STATIC) 16013a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar && !it.hasAnnotation(Ignore::class) 16113a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar } 16213a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar .map { MoreElements.asExecutable(it) } 16313a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar 16413a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar val getterCandidates = methods.filter { 16513a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar it.parameters.size == 0 && it.returnType.kind != TypeKind.VOID 16613a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar } 16713a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar 16813a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar val setterCandidates = methods.filter { 16913a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar it.parameters.size == 1 && it.returnType.kind == TypeKind.VOID 17013a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar } 1711a74519922de68e007027d56aae9370ee21f31f9shepshapard 172f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar // don't try to find a constructor for binding to statement. 173f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val constructor = if (bindingScope == FieldProcessor.BindingScope.BIND_TO_STMT) { 174f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar // we don't need to construct this POJO. 175f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar null 176f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } else { 1774d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar chooseConstructor(myFields, embeddedFields) 178f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 17913a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar 18096cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar assignGetters(myFields, getterCandidates) 181f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar assignSetters(myFields, setterCandidates, constructor) 182092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 1834d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar embeddedFields.forEach { 184092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar assignGetter(it.field, getterCandidates) 185f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar assignSetter(it.field, setterCandidates, constructor) 186092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 187092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 188092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar myRelationsList.forEach { 189092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar assignGetter(it.field, getterCandidates) 190f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar assignSetter(it.field, setterCandidates, constructor) 191092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 192092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 1931a74519922de68e007027d56aae9370ee21f31f9shepshapard return Pojo(element = element, 19496cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar type = declaredType, 19596cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar fields = fields, 1964d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar embeddedFields = embeddedFields, 197f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar relations = relations, 198f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar constructor = constructor) 19913a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar } 20013a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar 2014d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar private fun chooseConstructor(myFields: List<Field>, embedded: List<EmbeddedField>) 202f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar : Constructor? { 203f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val constructors = ElementFilter.constructorsIn(element.enclosedElements) 204f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar .filterNot { it.hasAnnotation(Ignore::class) || it.hasAnyOf(PRIVATE) } 205f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val fieldMap = myFields.associateBy { it.name } 2064d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar val embeddedMap = embedded.associateBy { it.field.name } 207f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val typeUtils = context.processingEnv.typeUtils 208f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val failedConstructors = mutableMapOf<ExecutableElement, List<Constructor.Param?>>() 209f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val goodConstructors = constructors.map { constructor -> 210f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val params = constructor.parameters.map param@ { param -> 211f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val paramName = param.simpleName.toString() 212f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val paramType = param.asType() 213f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar 214f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val matches = fun(field: Field?): Boolean { 215f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar return if (field == null) { 216f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar false 217f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } else if (!field.nameWithVariations.contains(paramName)) { 218f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar false 219f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } else { 220f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar typeUtils.isAssignable(paramType, field.type) 221f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 222f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 223f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar 224f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val exactFieldMatch = fieldMap[paramName] 225f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar 226f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar if (matches(exactFieldMatch)) { 227f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar return@param Constructor.FieldParam(exactFieldMatch!!) 228f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 2294d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar val exactEmbeddedMatch = embeddedMap[paramName] 2304d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar if (matches(exactEmbeddedMatch?.field)) { 2314d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar return@param Constructor.EmbeddedParam(exactEmbeddedMatch!!) 232f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 233f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar 234f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val matchingFields = myFields.filter { 235f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar matches(it) 236f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 2374d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar val embeddedMatches = embedded.filter { 238f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar matches(it.field) 239f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 2404d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar if (matchingFields.isEmpty() && embeddedMatches.isEmpty()) { 241f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar null 2424d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar } else if (matchingFields.size + embeddedMatches.size == 1) { 243f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar if (matchingFields.isNotEmpty()) { 244f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar Constructor.FieldParam(matchingFields.first()) 245f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } else { 2464d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar Constructor.EmbeddedParam(embeddedMatches.first()) 247f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 248f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } else { 249f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar context.logger.e(param, ProcessorErrors.ambigiousConstructor( 250f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar pojo = element.qualifiedName.toString(), 251f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar paramName = param.simpleName.toString(), 252f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar matchingFields = matchingFields.map { it.getPath() } 2534d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar + embedded.map { it.field.getPath() } 254f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar )) 255f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar null 256f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 257f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 258f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar if (params.any { it == null }) { 259f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar failedConstructors.put(constructor, params) 260f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar null 261f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } else { 262f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar @Suppress("UNCHECKED_CAST") 263f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar Constructor(constructor, params as List<Constructor.Param>) 264f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 265f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar }.filterNotNull() 266f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar if (goodConstructors.isEmpty()) { 267f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar if (failedConstructors.isNotEmpty()) { 268f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val failureMsg = failedConstructors.entries.joinToString("\n") { entry -> 269f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar val paramsMatching = entry.key.parameters.withIndex().joinToString(", ") { 270f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar "${it.value.simpleName} : ${entry.value[it.index]?.log()}" 271f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 272f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar "${entry.key} : [$paramsMatching]" 273f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 274f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar context.logger.e(element, ProcessorErrors.MISSING_POJO_CONSTRUCTOR + 275f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar "\nTried the following constructors but they failed to match:\n$failureMsg") 276f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 277f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar context.logger.e(element, ProcessorErrors.MISSING_POJO_CONSTRUCTOR) 278f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar return null 279f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 280f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar if (goodConstructors.size > 1) { 281f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar goodConstructors.forEach { 282f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar context.logger.e(it.element, ProcessorErrors.TOO_MANY_POJO_CONSTRUCTORS) 283f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 284f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar return null 285f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 286f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar return goodConstructors.first() 287f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 288f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar 2891a74519922de68e007027d56aae9370ee21f31f9shepshapard private fun processEmbeddedField(declaredType: DeclaredType?, variableElement: VariableElement) 2901a74519922de68e007027d56aae9370ee21f31f9shepshapard : EmbeddedField? { 2911a74519922de68e007027d56aae9370ee21f31f9shepshapard 2921a74519922de68e007027d56aae9370ee21f31f9shepshapard val asTypeElement = MoreTypes.asTypeElement(variableElement.asType()) 2931a74519922de68e007027d56aae9370ee21f31f9shepshapard 2941a74519922de68e007027d56aae9370ee21f31f9shepshapard if (detectReferenceRecursion(asTypeElement)) { 2951a74519922de68e007027d56aae9370ee21f31f9shepshapard return null 2961a74519922de68e007027d56aae9370ee21f31f9shepshapard } 2971a74519922de68e007027d56aae9370ee21f31f9shepshapard 2981a74519922de68e007027d56aae9370ee21f31f9shepshapard val fieldPrefix = variableElement 2991a74519922de68e007027d56aae9370ee21f31f9shepshapard .getAnnotationValue(Embedded::class.java, "prefix") 3001a74519922de68e007027d56aae9370ee21f31f9shepshapard ?.toString() 3011a74519922de68e007027d56aae9370ee21f31f9shepshapard ?: "" 30296cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar val inheritedPrefix = parent?.prefix ?: "" 3031a74519922de68e007027d56aae9370ee21f31f9shepshapard val embeddedField = Field(variableElement, 3041a74519922de68e007027d56aae9370ee21f31f9shepshapard variableElement.simpleName.toString(), 3051a74519922de68e007027d56aae9370ee21f31f9shepshapard type = context 3061a74519922de68e007027d56aae9370ee21f31f9shepshapard .processingEnv 3071a74519922de68e007027d56aae9370ee21f31f9shepshapard .typeUtils 3081a74519922de68e007027d56aae9370ee21f31f9shepshapard .asMemberOf(declaredType, variableElement), 3091a74519922de68e007027d56aae9370ee21f31f9shepshapard affinity = null, 3101a74519922de68e007027d56aae9370ee21f31f9shepshapard parent = parent) 3114d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar val subParent = EmbeddedField( 3124d4bae3f216e55f824d7d7fbfe2f8861906ee3e2Yigit Boyar field = embeddedField, 31396cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar prefix = inheritedPrefix + fieldPrefix, 31496cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar parent = parent) 3151a74519922de68e007027d56aae9370ee21f31f9shepshapard subParent.pojo = PojoProcessor( 3161a74519922de68e007027d56aae9370ee21f31f9shepshapard baseContext = context.fork(variableElement), 3171a74519922de68e007027d56aae9370ee21f31f9shepshapard element = asTypeElement, 31896cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar bindingScope = bindingScope, 3191a74519922de68e007027d56aae9370ee21f31f9shepshapard parent = subParent, 3201a74519922de68e007027d56aae9370ee21f31f9shepshapard referenceStack = referenceStack).process() 32196cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar return subParent 32296cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar } 32396cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar 324092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar private fun processRelationField(myFields : List<Field>, container: DeclaredType?, 325092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar relationElement: VariableElement) 32664db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyar : android.arch.persistence.room.vo.Relation? { 3271a74519922de68e007027d56aae9370ee21f31f9shepshapard 3281a74519922de68e007027d56aae9370ee21f31f9shepshapard val asTypeElement = MoreTypes.asTypeElement(MoreElements.asVariable(relationElement).asType()) 3291a74519922de68e007027d56aae9370ee21f31f9shepshapard 3301a74519922de68e007027d56aae9370ee21f31f9shepshapard if (detectReferenceRecursion(asTypeElement)) { 3311a74519922de68e007027d56aae9370ee21f31f9shepshapard return null 3321a74519922de68e007027d56aae9370ee21f31f9shepshapard } 3331a74519922de68e007027d56aae9370ee21f31f9shepshapard 334092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val annotation = MoreElements.getAnnotationMirror(relationElement, Relation::class.java) 335092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar .orNull()!! 336f385ca501bbfd3ccaf6b412f8f09c64d9ee742f2Yigit Boyar val parentColumnInput = AnnotationMirrors.getAnnotationValue(annotation, "parentColumn") 337092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar .getAsString("") ?: "" 338092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 339092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val parentField = myFields.firstOrNull { 340f385ca501bbfd3ccaf6b412f8f09c64d9ee742f2Yigit Boyar it.columnName == parentColumnInput 341092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 342092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar if (parentField == null) { 343092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar context.logger.e(relationElement, 344092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar ProcessorErrors.relationCannotFindParentEntityField( 345092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar entityName = element.qualifiedName.toString(), 346f385ca501bbfd3ccaf6b412f8f09c64d9ee742f2Yigit Boyar columnName = parentColumnInput, 347f385ca501bbfd3ccaf6b412f8f09c64d9ee742f2Yigit Boyar availableColumns = myFields.map { it.columnName })) 348092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar return null 349092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 350092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar // parse it as an entity. 351092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val asMember = MoreTypes 352092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar .asMemberOf(context.processingEnv.typeUtils, container, relationElement) 353092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar if (asMember.kind == TypeKind.ERROR) { 354092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar context.logger.e(ProcessorErrors.CANNOT_FIND_TYPE, element) 355092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar return null 356092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 357092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val declared = MoreTypes.asDeclared(asMember) 358092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar if (!declared.isCollection()) { 359092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar context.logger.e(relationElement, ProcessorErrors.RELATION_NOT_COLLECTION) 360092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar return null 361092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 362092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val typeArg = declared.typeArguments.first() 363092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar if (typeArg.kind == TypeKind.ERROR) { 364092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar context.logger.e(MoreTypes.asTypeElement(typeArg), CANNOT_FIND_TYPE) 365092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar return null 366092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 367092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val typeArgElement = MoreTypes.asTypeElement(typeArg) 368092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val entityClassInput = AnnotationMirrors 369092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar .getAnnotationValue(annotation, "entity").toClassType() 370092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val pojo : Pojo 371092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val entity : Entity 372092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar if (entityClassInput == null 373092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar || MoreTypes.isTypeOf(Any::class.java, entityClassInput)) { 3741a74519922de68e007027d56aae9370ee21f31f9shepshapard entity = EntityProcessor(context, typeArgElement, referenceStack).process() 375092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar pojo = entity 376092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } else { 3771a74519922de68e007027d56aae9370ee21f31f9shepshapard entity = EntityProcessor(context, MoreTypes.asTypeElement(entityClassInput), 3781a74519922de68e007027d56aae9370ee21f31f9shepshapard referenceStack).process() 3791a74519922de68e007027d56aae9370ee21f31f9shepshapard pojo = PojoProcessor( 3801a74519922de68e007027d56aae9370ee21f31f9shepshapard baseContext = context, 381092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar element = typeArgElement, 382092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar bindingScope = FieldProcessor.BindingScope.READ_FROM_CURSOR, 3831a74519922de68e007027d56aae9370ee21f31f9shepshapard parent = parent, 3841a74519922de68e007027d56aae9370ee21f31f9shepshapard referenceStack = referenceStack).process() 385092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 386092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar // now find the field in the entity. 387f385ca501bbfd3ccaf6b412f8f09c64d9ee742f2Yigit Boyar val entityColumnInput = AnnotationMirrors.getAnnotationValue(annotation, "entityColumn") 388092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar .getAsString() ?: "" 389092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val entityField = entity.fields.firstOrNull { 390f385ca501bbfd3ccaf6b412f8f09c64d9ee742f2Yigit Boyar it.columnName == entityColumnInput 391092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 392092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 393092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar if (entityField == null) { 394092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar context.logger.e(relationElement, 395092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar ProcessorErrors.relationCannotFindEntityField( 396092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar entityName = entity.typeName.toString(), 397f385ca501bbfd3ccaf6b412f8f09c64d9ee742f2Yigit Boyar columnName = entityColumnInput, 398f385ca501bbfd3ccaf6b412f8f09c64d9ee742f2Yigit Boyar availableColumns = entity.fields.map { it.columnName })) 399092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar return null 400092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 401092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 402092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val field = Field( 403092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar element = relationElement, 404092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar name = relationElement.simpleName.toString(), 405092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar type = context.processingEnv.typeUtils.asMemberOf(container, relationElement), 406092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar affinity = null, 407092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar parent = parent) 408092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 409092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val projection = AnnotationMirrors.getAnnotationValue(annotation, "projection") 410092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar .getAsStringList() 411092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar if(projection.isNotEmpty()) { 412092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val missingColumns = projection.filterNot { columnName -> 413092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar entity.fields.any { columnName == it.columnName } 414092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 415092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar if (missingColumns.isNotEmpty()) { 416092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar context.logger.e(relationElement, 417092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar ProcessorErrors.relationBadProject(entity.typeName.toString(), 418092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar missingColumns, entity.fields.map { it.columnName })) 419092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 420092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 421092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 422092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar // if types don't match, row adapter prints a warning 42364db0cc15b78b62a1d44a70fc8b4552e660d952cYigit Boyar return android.arch.persistence.room.vo.Relation( 424092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar entity = entity, 425092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar pojo = pojo, 426092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar field = field, 427092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar parentField = parentField, 428092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar entityField = entityField, 429092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar projection = projection 430092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar ) 431092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 432092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 4331a74519922de68e007027d56aae9370ee21f31f9shepshapard private fun detectReferenceRecursion(typeElement: TypeElement): Boolean { 4341a74519922de68e007027d56aae9370ee21f31f9shepshapard if (referenceStack.contains(typeElement.qualifiedName)) { 4351a74519922de68e007027d56aae9370ee21f31f9shepshapard context.logger.e( 4361a74519922de68e007027d56aae9370ee21f31f9shepshapard typeElement, 4371a74519922de68e007027d56aae9370ee21f31f9shepshapard ProcessorErrors 4381a74519922de68e007027d56aae9370ee21f31f9shepshapard .RECURSIVE_REFERENCE_DETECTED 4391a74519922de68e007027d56aae9370ee21f31f9shepshapard .format(computeReferenceRecursionString(typeElement))) 4401a74519922de68e007027d56aae9370ee21f31f9shepshapard return true 4411a74519922de68e007027d56aae9370ee21f31f9shepshapard } 4421a74519922de68e007027d56aae9370ee21f31f9shepshapard return false 4431a74519922de68e007027d56aae9370ee21f31f9shepshapard } 4441a74519922de68e007027d56aae9370ee21f31f9shepshapard 4451a74519922de68e007027d56aae9370ee21f31f9shepshapard private fun computeReferenceRecursionString(typeElement: TypeElement): String { 4461a74519922de68e007027d56aae9370ee21f31f9shepshapard val recursiveTailTypeName = typeElement.qualifiedName 4471a74519922de68e007027d56aae9370ee21f31f9shepshapard 4481a74519922de68e007027d56aae9370ee21f31f9shepshapard val referenceRecursionList = mutableListOf<Name>() 4491a74519922de68e007027d56aae9370ee21f31f9shepshapard with (referenceRecursionList) { 4501a74519922de68e007027d56aae9370ee21f31f9shepshapard add(recursiveTailTypeName) 4511a74519922de68e007027d56aae9370ee21f31f9shepshapard addAll(referenceStack.toList().takeLastWhile { it != recursiveTailTypeName }) 4521a74519922de68e007027d56aae9370ee21f31f9shepshapard add(recursiveTailTypeName) 4531a74519922de68e007027d56aae9370ee21f31f9shepshapard } 4541a74519922de68e007027d56aae9370ee21f31f9shepshapard 4551a74519922de68e007027d56aae9370ee21f31f9shepshapard return referenceRecursionList.joinToString(" -> ") 4561a74519922de68e007027d56aae9370ee21f31f9shepshapard } 4571a74519922de68e007027d56aae9370ee21f31f9shepshapard 45813a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar private fun assignGetters(fields: List<Field>, getterCandidates: List<ExecutableElement>) { 45913a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar fields.forEach { field -> 460092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar assignGetter(field, getterCandidates) 46113a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar } 46213a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar } 46313a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar 464092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar private fun assignGetter(field: Field, getterCandidates: List<ExecutableElement>) { 465092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val success = chooseAssignment(field = field, 466092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar candidates = getterCandidates, 467092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar nameVariations = field.getterNameWithVariations, 468092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar getType = { method -> 469092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar method.returnType 470092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar }, 471092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar assignFromField = { 472092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar field.getter = FieldGetter( 473092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar name = field.name, 474092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar type = field.type, 475092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar callType = CallType.FIELD) 476092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar }, 477092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar assignFromMethod = { match -> 478092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar field.getter = FieldGetter( 479092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar name = match.simpleName.toString(), 480092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar type = match.returnType, 481092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar callType = CallType.METHOD) 482092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar }, 483092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar reportAmbiguity = { matching -> 484092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar context.logger.e(field.element, 485092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar ProcessorErrors.tooManyMatchingGetters(field, matching)) 486092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar }) 487092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar context.checker.check(success, field.element, CANNOT_FIND_GETTER_FOR_FIELD) 488092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 489092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 490f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar private fun assignSetters(fields: List<Field>, setterCandidates: List<ExecutableElement>, 491f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar constructor : Constructor?) { 49213a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar fields.forEach { field -> 493f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar assignSetter(field, setterCandidates, constructor) 4945bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar } 4955bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar } 4965bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar 497f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar private fun assignSetter(field: Field, setterCandidates: List<ExecutableElement>, 498f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar constructor: Constructor?) { 499f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar if (constructor != null && constructor.hasField(field)) { 500f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar field.setter = FieldSetter(field.name, field.type, CallType.CONSTRUCTOR) 501f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar return 502f8c3624579d5761a2d34a7199932492d267f5f85Yigit Boyar } 503092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val success = chooseAssignment(field = field, 504092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar candidates = setterCandidates, 505092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar nameVariations = field.setterNameWithVariations, 506092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar getType = { method -> 507092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar method.parameters.first().asType() 508092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar }, 509092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar assignFromField = { 510092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar field.setter = FieldSetter( 511092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar name = field.name, 512092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar type = field.type, 513092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar callType = CallType.FIELD) 514092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar }, 515092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar assignFromMethod = { match -> 516092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar val paramType = match.parameters.first().asType() 517092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar field.setter = FieldSetter( 518092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar name = match.simpleName.toString(), 519092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar type = paramType, 520092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar callType = CallType.METHOD) 521092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar }, 522092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar reportAmbiguity = { matching -> 523092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar context.logger.e(field.element, 524092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar ProcessorErrors.tooManyMatchingSetter(field, matching)) 525092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar }) 526092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar context.checker.check(success, field.element, CANNOT_FIND_SETTER_FOR_FIELD) 527092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar } 528092164e5501d0a254001225acd9dca42e5fa57e9Yigit Boyar 5295bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar /** 5305bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar * Finds a setter/getter from available list of methods. 5315bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar * It returns true if assignment is successful, false otherwise. 5325bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar * At worst case, it sets to the field as if it is accessible so that the rest of the 5335bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar * compilation can continue. 5345bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar */ 5355bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar private fun chooseAssignment(field: Field, candidates: List<ExecutableElement>, 53696cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar nameVariations: List<String>, 53796cc740203eaa752fc85ca7ca722a8de550ae88cYigit Boyar getType: (ExecutableElement) -> TypeMirror, 5385bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar assignFromField: () -> Unit, 5395bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar assignFromMethod: (ExecutableElement) -> Unit, 5405bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar reportAmbiguity: (List<String>) -> Unit): Boolean { 5415bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar if (field.element.hasAnyOf(PUBLIC)) { 5425bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar assignFromField() 5435bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar return true 5445bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar } 5455bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar val types = context.processingEnv.typeUtils 5466d6fe7fde68c1285107cedd5fc18d4c02232a4a6Yigit Boyar 5475bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar val matching = candidates 5485bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar .filter { 5496d6fe7fde68c1285107cedd5fc18d4c02232a4a6Yigit Boyar types.isAssignable(getType(it), field.element.asType()) 5506d6fe7fde68c1285107cedd5fc18d4c02232a4a6Yigit Boyar && (field.nameWithVariations.contains(it.simpleName.toString()) 5516d6fe7fde68c1285107cedd5fc18d4c02232a4a6Yigit Boyar || nameVariations.contains(it.simpleName.toString())) 55213a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar } 5535bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar .groupBy { 5545bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar if (it.hasAnyOf(PUBLIC)) PUBLIC else PROTECTED 5555bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar } 5565bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar if (matching.isEmpty()) { 5575bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar // we always assign to avoid NPEs in the rest of the compilation. 5585bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar assignFromField() 5595bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar // if field is not private, assume it works (if we are on the same package). 5605bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar // if not, compiler will tell, we didn't have any better alternative anyways. 5615bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar return !field.element.hasAnyOf(PRIVATE) 5625bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar } 5635bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar val match = verifyAndChooseOneFrom(matching[PUBLIC], reportAmbiguity) ?: 5645bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar verifyAndChooseOneFrom(matching[PROTECTED], reportAmbiguity) 5655bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar if (match == null) { 5665bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar assignFromField() 5675bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar return false 5685bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar } else { 5695bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar assignFromMethod(match) 5705bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar return true 5715bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar } 5725bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar } 5735bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar 5745bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar private fun verifyAndChooseOneFrom(candidates: List<ExecutableElement>?, 5755bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar reportAmbiguity: (List<String>) -> Unit) 5765bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar : ExecutableElement? { 5775bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar if (candidates == null) { 5785bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar return null 5795bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar } 5805bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar if (candidates.size > 1) { 5815bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar reportAmbiguity(candidates.map { it.simpleName.toString() }) 58213a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar } 5835bd1d1b032b37561f015985ca8854b89214bbcb3Yigit Boyar return candidates.first() 58413a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar } 58513a2048db98b1cc2dbd1692b73b794527975a446Yigit Boyar} 586