2 * ============LICENSE_START=======================================================
3 * dcaegen2-collectors-veshv
4 * ================================================================================
5 * Copyright (C) 2018 NOKIA
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
20 package org.onap.dcae.collectors.veshv.utils.logging
22 import arrow.core.Either
23 import arrow.core.Option
25 import reactor.core.publisher.Flux
26 import reactor.core.publisher.Mono
28 typealias MessageEither = Either<() -> String, () -> String>
30 fun <T> Logger.handleReactiveStreamError(
31 context: MappedDiagnosticContext,
33 returnFlux: Flux<T> = Flux.empty()): Flux<T> {
34 warn(context) { "Error while handling message stream: ${ex::class.qualifiedName} (${ex.localizedMessage})" }
35 withDebug(context) { log("Detailed stack trace", ex) }
39 fun <T> Try<T>.filterFailedWithLog(logger: Logger,
40 context: MappedDiagnosticContext,
41 acceptedMsg: (T) -> String,
42 rejectedMsg: (Throwable) -> String): Flux<T> =
44 logger.withWarn(context) { log(rejectedMsg(ex)) }
47 logger.trace(context) { acceptedMsg(obj) }
51 fun <T> Option<T>.filterEmptyWithLog(logger: Logger,
52 context: MappedDiagnosticContext,
53 acceptedMsg: (T) -> String,
54 rejectedMsg: () -> String): Flux<T> =
56 logger.warn(context, rejectedMsg)
59 logger.trace(context) { acceptedMsg(it) }
63 fun <T> Flux<T>.filterFailedWithLog(logger: Logger,
64 context: MappedDiagnosticContext,
65 predicate: (T) -> MessageEither): Flux<T> =
68 logger.warn(context, it)
71 logger.trace(context, it)