X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=sources%2Fhv-collector-utils%2Fsrc%2Fmain%2Fkotlin%2Forg%2Fonap%2Fdcae%2Fcollectors%2Fveshv%2Futils%2Flogging%2Freactive_logging.kt;fp=sources%2Fhv-collector-utils%2Fsrc%2Fmain%2Fkotlin%2Forg%2Fonap%2Fdcae%2Fcollectors%2Fveshv%2Futils%2Flogging%2Freactive_logging.kt;h=e8ec2549ba149de5c3455b97378a93b7c89cbadd;hb=d632aef8303701a1802f817c3d6fdcd4064c32b2;hp=714702d370ee2f6f6cb90119f07c77f69d27e0c4;hpb=dde383a2aa75f94c26d7949665b79cc95486a223;p=dcaegen2%2Fcollectors%2Fhv-ves.git

diff --git a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/reactive_logging.kt b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/reactive_logging.kt
index 714702d3..e8ec2549 100644
--- a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/reactive_logging.kt
+++ b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/reactive_logging.kt
@@ -19,10 +19,48 @@
  */
 package org.onap.dcae.collectors.veshv.utils.logging
 
+import arrow.core.Either
+import arrow.core.Option
+import arrow.core.Try
 import reactor.core.publisher.Flux
+import reactor.core.publisher.Mono
 
 fun <T> Logger.handleReactiveStreamError(ex: Throwable, returnFlux: Flux<T> = Flux.empty()): Flux<T> {
-    logger.warn("Error while handling message stream: ${ex::class.qualifiedName} (${ex.message})")
+    logger.warn("Error while handling message stream: ${ex::class.qualifiedName} (${ex.localizedMessage})")
     logger.debug("Detailed stack trace", ex)
     return returnFlux
 }
+
+
+fun <T> Try<T>.filterFailedWithLog(logger: Logger,
+                                   acceptedMsg: (T) -> String,
+                                   rejectedMsg: (Throwable) -> String): Flux<T> =
+        fold({
+            logger.warn(rejectedMsg(it))
+            Flux.empty<T>()
+        }, {
+            logger.trace { acceptedMsg(it) }
+            Flux.just(it)
+        })
+
+fun <T> Option<T>.filterEmptyWithLog(logger: Logger,
+                                     acceptedMsg: (T) -> String,
+                                     rejectedMsg: () -> String): Flux<T> =
+        fold({
+            logger.warn(rejectedMsg)
+            Flux.empty<T>()
+        }, {
+            logger.trace { acceptedMsg(it) }
+            Flux.just(it)
+        })
+
+fun <T> Flux<T>.filterFailedWithLog(logger: Logger, predicate: (T) -> Either<() -> String, () -> String>) =
+        flatMap { t ->
+            predicate(t).fold({
+                logger.warn(it)
+                Mono.empty<T>()
+            }, {
+                logger.trace(it)
+                Mono.just<T>(t)
+            })
+        }