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/*
* Copyright © 2017-2019 AT&T, Bell Canada, Nordix Foundation
* Modifications Copyright © 2018-2019 IBM.
* Modifications Copyright © 2019 Huawei.
* Modifications Copyright © 2022 Deutsche Telekom AG.
*
* 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.
*/
package org.onap.ccsdk.cds.blueprintsprocessor.rest.service
import org.apache.http.message.BasicHeader
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintRetryException
import org.onap.ccsdk.cds.controllerblueprints.core.utils.BluePrintIOUtils
interface BlueprintWebClientService {
fun defaultHeaders(): Map<String, String>
fun convertToBasicHeaders(
mergedDefaultAndSuppliedHeaders: Map<String, String>
): Array<BasicHeader>
fun exchangeResource(
methodType: String,
path: String,
request: String,
headers: Map<String, String>
): WebClientResponse<String>
fun exchangeResource(
methodType: String,
path: String,
request: String
): WebClientResponse<String>
suspend fun exchangeNB(methodType: String, path: String, request: Any): WebClientResponse<String>
suspend fun exchangeNB(methodType: String, path: String, request: Any, additionalHeaders: Map<String, String>?):
WebClientResponse<String>
suspend fun <T> exchangeNB(
methodType: String,
path: String,
request: Any,
additionalHeaders: Map<String, String>?,
responseType: Class<T>
): WebClientResponse<T>
/** High performance non blocking Retry function, If execution block [block] throws BluePrintRetryException
* exception then this will perform wait and retrigger accoring to times [times] with delay [delay]
*/
suspend fun <T> retry(
times: Int = 1,
initialDelay: Long = 0,
delay: Long = 1000,
block: suspend (Int) -> T
): T {
val exceptionBlock = { e: Exception ->
if (e !is BluePrintRetryException) {
throw e
}
}
return BluePrintIOUtils.retry(times, initialDelay, delay, block, exceptionBlock)
}
// TODO maybe there could be cases where we care about return headers?
data class WebClientResponse<T>(val status: Int, val body: T)
}
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