markusthoemmes commented on a change in pull request #2338: Prepare cache to
change it by configuration
URL:
https://github.com/apache/incubator-openwhisk/pull/2338#discussion_r131658957
##########
File path:
common/scala/src/main/scala/whisk/core/database/CouchDbStoreProvider.scala
##########
@@ -23,20 +23,25 @@ import whisk.common.Logging
import whisk.core.WhiskConfig
import whisk.spi.Dependencies
import whisk.spi.SpiFactory
+import whisk.core.entity.DocInfo
/**
* A CouchDB implementation of ArtifactStoreProvider
*/
class CouchDbStoreProvider extends ArtifactStoreProvider {
- def makeStore[D <: DocumentSerializer](config: WhiskConfig, name:
WhiskConfig => String)(
+ def makeStore[D <: DocumentSerializer, CacheAbstraction](config:
WhiskConfig, name: WhiskConfig => String, cache:
Option[WhiskCache[CacheAbstraction, DocInfo]])(
implicit jsonFormat: RootJsonFormat[D],
actorSystem: ActorSystem,
- logging: Logging): ArtifactStore[D] = {
+ logging: Logging): ArtifactStore[D, CacheAbstraction] = {
require(config != null && config.isValid, "config is undefined or not
valid")
require(config.dbProvider == "Cloudant" || config.dbProvider ==
"CouchDB", "Unsupported db.provider: " + config.dbProvider)
assume(Set(config.dbProtocol, config.dbHost, config.dbPort,
config.dbUsername, config.dbPassword, name(config)).forall(_.nonEmpty), "At
least one expected property is missing")
- new CouchDbRestStore[D](config.dbProtocol, config.dbHost,
config.dbPort.toInt, config.dbUsername, config.dbPassword, name(config))
+ new CouchDbRestStore[D, CacheAbstraction](config.dbProtocol,
config.dbHost, config.dbPort.toInt, config.dbUsername, config.dbPassword,
name(config), cache)
+ }
+
+ def makeCache[CacheAbstraction](): WhiskCache[CacheAbstraction, DocInfo] =
{
+ new MultipleReadersSingleWriterCache[CacheAbstraction, DocInfo]()
Review comment:
Should we move this implementation to `ArtifactStoreProvider`? After all,
it's not relying on implementation details.
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