bdoyle0182 commented on a change in pull request #4986:
URL: https://github.com/apache/openwhisk/pull/4986#discussion_r506727492
##########
File path:
common/scala/src/main/scala/org/apache/openwhisk/core/entity/WhiskAction.scala
##########
@@ -346,6 +358,74 @@ case class ExecutableWhiskActionMetaData(namespace:
EntityPath,
}
+case class WhiskActionVersion(id: String, namespace: EntityPath, name:
EntityName, version: SemVer)
+
+object WhiskActionVersion {
+ val serdes = jsonFormat4(WhiskActionVersion.apply)
+}
+
+case class WhiskActionVersionList(namespace: EntityPath, name: EntityName,
versions: Map[SemVer, String]) {
+ def matchedDocId(version: Option[SemVer]): Option[DocId] = {
+ version match {
+ case Some(ver) =>
+ versions.get(ver).map(DocId(_))
+ case None if versions.nonEmpty =>
+ Some(DocId(versions.maxBy(_._1.toString)._2))
+ case _ =>
+ None
+ }
+ }
+}
+
+object WhiskActionVersionList extends
MultipleReadersSingleWriterCache[WhiskActionVersionList, DocInfo] {
+ lazy val viewName = WhiskQueries.entitiesView(collection =
"action-versions").name
+
+ def cacheKey(action: FullyQualifiedEntityName): CacheKey = {
+ CacheKey(action.fullPath.asString)
+ }
+
+ def get(action: FullyQualifiedEntityName, datastore: EntityStore)(
+ implicit transId: TransactionId): Future[WhiskActionVersionList] = {
+ implicit val logger: Logging = datastore.logging
+ implicit val ec = datastore.executionContext
+
+ val key = List(action.fullPath.asString)
+ cacheLookup(
+ cacheKey(action),
+ datastore
+ .query(
+ viewName,
+ startKey = key,
+ endKey = key,
+ skip = 0,
+ limit = 0,
+ includeDocs = false,
+ descending = false,
+ reduce = false,
+ stale = StaleParameter.No)
+ .map { result =>
+ val values = result.map { row =>
+ row.fields("value").asJsObject()
+ }
+ val mappings = values
+ .map(WhiskActionVersion.serdes.read(_))
+ .map { actionVersion =>
+ (actionVersion.version, actionVersion.id)
+ }
+ .toMap
+ WhiskActionVersionList(action.namespace.toPath, action.name,
mappings)
+ })
+ }
+
+ // delete cache
+ def deleteCache(action: FullyQualifiedEntityName)(implicit transId:
TransactionId,
Review comment:
Is there any possibility that this call fails which results in
inconsistent data in the cache with what's in the db?
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