sources/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/boundary/adapters.kt


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/*
 * ============LICENSE_START=======================================================
 * dcaegen2-collectors-veshv
 * ================================================================================
 * Copyright (C) 2018 NOKIA
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */
package org.onap.dcae.collectors.veshv.boundary

import org.onap.dcae.collectors.veshv.domain.RoutedMessage
import org.onap.dcae.collectors.veshv.domain.WireFrameMessage
import org.onap.dcae.collectors.veshv.model.ClientContext
import org.onap.dcae.collectors.veshv.model.ClientRejectionCause
import org.onap.dcae.collectors.veshv.model.ConsumedMessage
import org.onap.dcae.collectors.veshv.model.MessageDropCause
import org.onap.dcae.collectors.veshv.utils.Closeable
import org.onap.dcaegen2.services.sdk.model.streams.dmaap.KafkaSink
import reactor.core.publisher.Flux

interface Sink {
    fun send(messages: Flux<RoutedMessage>): Flux<ConsumedMessage>
}

interface Metrics {
    fun notifyBytesReceived(size: Int)
    fun notifyMessageReceived(msg: WireFrameMessage)
    fun notifyMessageSent(msg: RoutedMessage)
    fun notifyMessageDropped(cause: MessageDropCause)
    fun notifyClientDisconnected()
    fun notifyClientConnected()
    fun notifyClientRejected(cause: ClientRejectionCause)
}

interface SinkProvider : Closeable {
    operator fun invoke(ctx: ClientContext): Sink
}

interface ConfigurationProvider {
    operator fun invoke(): Flux<Sequence<KafkaSink>>
}