Scheduled cache refresh.

src/main/kotlin/io/github/reactivecircus/kstreamlined/backend/KSBackendApplication.kt

@@ -2,8 +2,10 @@ package io.github.reactivecircus.kstreamlined.backend
 
 import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.runApplication
+import org.springframework.scheduling.annotation.EnableScheduling
 
 @SpringBootApplication
+@EnableScheduling
 class KSBackendApplication
 
 fun main(args: Array<String>) {

src/main/kotlin/io/github/reactivecircus/kstreamlined/backend/scheduling/ScheduledCacheRefresh.kt

@@ -0,0 +1,21 @@
+package io.github.reactivecircus.kstreamlined.backend.scheduling
+
+import io.github.reactivecircus.kstreamlined.backend.datafetcher.FeedEntryDataFetcher
+import io.github.reactivecircus.kstreamlined.backend.schema.generated.types.FeedSourceKey
+import kotlinx.coroutines.runBlocking
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.scheduling.annotation.Scheduled
+import org.springframework.stereotype.Component
+import java.util.concurrent.TimeUnit
+
+@Component
+class ScheduledCacheRefresh {
+
+    @Autowired
+    private lateinit var feedEntryDataFetcher: FeedEntryDataFetcher
+
+    @Scheduled(fixedDelay = 1, timeUnit = TimeUnit.HOURS)
+    fun refreshFeedEntryCache() = runBlocking {
+        feedEntryDataFetcher.feedEntries(FeedSourceKey.entries)
+    }
+}