separate cache repos to read and read/write

This commit is contained in:
InsanusMokrassar 2021-06-05 20:29:59 +06:00
parent b90cab318e
commit e0d5eb45b7
4 changed files with 48 additions and 24 deletions

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@ -2,6 +2,10 @@
## 0.5.7
* `Repos`
* `Cache`
* All standard cache repos have been separated to read and read/write repos
## 0.5.6
* `Versions`

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@ -6,19 +6,29 @@ import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.onEach
open class CRUDCacheRepo<ObjectType, IdType, InputValueType>(
protected val parentRepo: CRUDRepo<ObjectType, IdType, InputValueType>,
open class ReadCRUDCacheRepo<ObjectType, IdType>(
protected val parentRepo: ReadCRUDRepo<ObjectType, IdType>,
protected val kvCache: KVCache<IdType, ObjectType>,
scope: CoroutineScope = CoroutineScope(Dispatchers.Default),
protected val idGetter: (ObjectType) -> IdType
) : CRUDRepo<ObjectType, IdType, InputValueType> by parentRepo {
protected val onNewJob = parentRepo.newObjectsFlow.onEach { kvCache.set(idGetter(it), it) }.launchIn(scope)
protected val onUpdatedJob = parentRepo.updatedObjectsFlow.onEach { kvCache.set(idGetter(it), it) }.launchIn(scope)
protected val onRemoveJob = parentRepo.deletedObjectsIdsFlow.onEach { kvCache.unset(it) }.launchIn(scope)
) : ReadCRUDRepo<ObjectType, IdType> by parentRepo {
override suspend fun getById(id: IdType): ObjectType? = kvCache.get(id) ?: (parentRepo.getById(id) ?.also {
kvCache.set(id, it)
})
override suspend fun contains(id: IdType): Boolean = kvCache.contains(id) || parentRepo.contains(id)
}
open class CRUDCacheRepo<ObjectType, IdType, InputValueType>(
parentRepo: CRUDRepo<ObjectType, IdType, InputValueType>,
kvCache: KVCache<IdType, ObjectType>,
scope: CoroutineScope = CoroutineScope(Dispatchers.Default),
idGetter: (ObjectType) -> IdType
) : ReadCRUDCacheRepo<ObjectType, IdType>(
parentRepo,
kvCache,
idGetter
), CRUDRepo<ObjectType, IdType, InputValueType>, WriteCRUDRepo<ObjectType, IdType, InputValueType> by parentRepo {
protected val onNewJob = parentRepo.newObjectsFlow.onEach { kvCache.set(idGetter(it), it) }.launchIn(scope)
protected val onUpdatedJob = parentRepo.updatedObjectsFlow.onEach { kvCache.set(idGetter(it), it) }.launchIn(scope)
protected val onRemoveJob = parentRepo.deletedObjectsIdsFlow.onEach { kvCache.unset(it) }.launchIn(scope)
}

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@ -7,14 +7,19 @@ import kotlinx.coroutines.flow.*
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock
open class KeyValueCacheRepo<Key,Value>(
protected val parentRepo: KeyValueRepo<Key, Value>,
open class ReadKeyValueCacheRepo<Key,Value>(
protected val parentRepo: ReadKeyValueRepo<Key, Value>,
protected val kvCache: KVCache<Key, Value>,
scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
) : KeyValueRepo<Key,Value> by parentRepo {
protected val onNewJob = parentRepo.onNewValue.onEach { kvCache.set(it.first, it.second) }.launchIn(scope)
protected val onRemoveJob = parentRepo.onValueRemoved.onEach { kvCache.unset(it) }.launchIn(scope)
) : ReadKeyValueRepo<Key,Value> by parentRepo {
override suspend fun get(k: Key): Value? = kvCache.get(k) ?: parentRepo.get(k) ?.also { kvCache.set(k, it) }
override suspend fun contains(key: Key): Boolean = kvCache.contains(key) || parentRepo.contains(key)
}
open class KeyValueCacheRepo<Key,Value>(
parentRepo: KeyValueRepo<Key, Value>,
kvCache: KVCache<Key, Value>,
scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
) : ReadKeyValueCacheRepo<Key,Value>(parentRepo, kvCache), KeyValueRepo<Key,Value>, WriteKeyValueRepo<Key, Value> by parentRepo {
protected val onNewJob = parentRepo.onNewValue.onEach { kvCache.set(it.first, it.second) }.launchIn(scope)
protected val onRemoveJob = parentRepo.onValueRemoved.onEach { kvCache.unset(it) }.launchIn(scope)
}

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@ -11,15 +11,10 @@ import kotlinx.coroutines.flow.*
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock
open class KeyValuesCacheRepo<Key,Value>(
protected val parentRepo: KeyValuesRepo<Key, Value>,
protected val kvCache: KVCache<Key, List<Value>>,
scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
) : KeyValuesRepo<Key,Value> by parentRepo {
protected val onNewJob = parentRepo.onNewValue.onEach { kvCache.set(it.first, kvCache.get(it.first) ?.plus(it.second) ?: listOf(it.second)) }.launchIn(scope)
protected val onRemoveJob = parentRepo.onValueRemoved.onEach { kvCache.set(it.first, kvCache.get(it.first) ?.minus(it.second) ?: return@onEach) }.launchIn(scope)
protected val onDataClearedJob = parentRepo.onDataCleared.onEach { kvCache.unset(it) }.launchIn(scope)
open class ReadKeyValuesCacheRepo<Key,Value>(
protected val parentRepo: ReadKeyValuesRepo<Key, Value>,
protected val kvCache: KVCache<Key, List<Value>>
) : ReadKeyValuesRepo<Key,Value> by parentRepo {
override suspend fun get(k: Key, pagination: Pagination, reversed: Boolean): PaginationResult<Value> {
return kvCache.get(k) ?.paginate(
pagination.let { if (reversed) it.reverse(count(k)) else it }
@ -35,3 +30,13 @@ open class KeyValuesCacheRepo<Key,Value>(
override suspend fun contains(k: Key, v: Value): Boolean = kvCache.get(k) ?.contains(v) ?: parentRepo.contains(k, v)
override suspend fun contains(k: Key): Boolean = kvCache.contains(k) || parentRepo.contains(k)
}
open class KeyValuesCacheRepo<Key,Value>(
parentRepo: KeyValuesRepo<Key, Value>,
kvCache: KVCache<Key, List<Value>>,
scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
) : ReadKeyValuesCacheRepo<Key,Value>(parentRepo, kvCache), KeyValuesRepo<Key,Value>, WriteKeyValuesRepo<Key,Value> by parentRepo {
protected val onNewJob = parentRepo.onNewValue.onEach { kvCache.set(it.first, kvCache.get(it.first) ?.plus(it.second) ?: listOf(it.second)) }.launchIn(scope)
protected val onRemoveJob = parentRepo.onValueRemoved.onEach { kvCache.set(it.first, kvCache.get(it.first) ?.minus(it.second) ?: return@onEach) }.launchIn(scope)
protected val onDataClearedJob = parentRepo.onDataCleared.onEach { kvCache.unset(it) }.launchIn(scope)
}