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-rw-r--r--ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/rest/service/BlueprintWebClientService.kt87
1 files changed, 45 insertions, 42 deletions
diff --git a/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/rest/service/BlueprintWebClientService.kt b/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/rest/service/BlueprintWebClientService.kt
index 5d35186b8..1acd07b7b 100644
--- a/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/rest/service/BlueprintWebClientService.kt
+++ b/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/rest/service/BlueprintWebClientService.kt
@@ -23,18 +23,15 @@ import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import org.apache.commons.io.IOUtils
import org.apache.http.client.ClientProtocolException
-import org.apache.http.client.methods.HttpDelete
-import org.apache.http.client.methods.HttpGet
-import org.apache.http.client.methods.HttpPatch
-import org.apache.http.client.methods.HttpPost
-import org.apache.http.client.methods.HttpPut
-import org.apache.http.client.methods.HttpUriRequest
+import org.apache.http.client.methods.*
import org.apache.http.entity.StringEntity
import org.apache.http.impl.client.CloseableHttpClient
import org.apache.http.impl.client.HttpClients
import org.apache.http.message.BasicHeader
import org.onap.ccsdk.cds.blueprintsprocessor.rest.utils.WebClientUtils
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
+import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintRetryException
+import org.onap.ccsdk.cds.controllerblueprints.core.utils.BluePrintIOUtils
import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
import org.springframework.http.HttpMethod
import java.io.IOException
@@ -49,9 +46,22 @@ interface BlueprintWebClientService {
fun httpClient(): CloseableHttpClient {
return HttpClients.custom()
- .addInterceptorFirst(WebClientUtils.logRequest())
- .addInterceptorLast(WebClientUtils.logResponse())
- .build()
+ .addInterceptorFirst(WebClientUtils.logRequest())
+ .addInterceptorLast(WebClientUtils.logResponse())
+ .build()
+ }
+
+ /** 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)
}
fun exchangeResource(methodType: String, path: String, request: String): WebClientResponse<String> {
@@ -72,8 +82,7 @@ interface BlueprintWebClientService {
HttpMethod.POST -> post(path, request, convertedHeaders, String::class.java)
HttpMethod.PUT -> put(path, request, convertedHeaders, String::class.java)
HttpMethod.PATCH -> patch(path, request, convertedHeaders, String::class.java)
- else -> throw BluePrintProcessorException("Unsupported met" +
- "hodType($methodType)")
+ else -> throw BluePrintProcessorException("Unsupported methodType($methodType)")
}
}
@@ -126,8 +135,8 @@ interface BlueprintWebClientService {
@Throws(IOException::class, ClientProtocolException::class)
private fun <T> performCallAndExtractTypedWebClientResponse(
- httpUriRequest: HttpUriRequest, responseType: Class<T>):
- WebClientResponse<T> {
+ httpUriRequest: HttpUriRequest, responseType: Class<T>):
+ WebClientResponse<T> {
val httpResponse = httpClient().execute(httpUriRequest)
val statusCode = httpResponse.statusLine.statusCode
httpResponse.entity.content.use {
@@ -145,10 +154,9 @@ interface BlueprintWebClientService {
}
suspend fun <T> getNB(path: String, additionalHeaders: Array<BasicHeader>?, responseType: Class<T>):
- WebClientResponse<T> =
- withContext(Dispatchers.IO) {
- get(path, additionalHeaders!!, responseType)
- }
+ WebClientResponse<T> = withContext(Dispatchers.IO) {
+ get(path, additionalHeaders!!, responseType)
+ }
suspend fun postNB(path: String, request: Any): WebClientResponse<String> {
return postNB(path, request, null, String::class.java)
@@ -159,10 +167,9 @@ interface BlueprintWebClientService {
}
suspend fun <T> postNB(path: String, request: Any, additionalHeaders: Array<BasicHeader>?,
- responseType: Class<T>): WebClientResponse<T> =
- withContext(Dispatchers.IO) {
- post(path, request, additionalHeaders!!, responseType)
- }
+ responseType: Class<T>): WebClientResponse<T> = withContext(Dispatchers.IO) {
+ post(path, request, additionalHeaders!!, responseType)
+ }
suspend fun putNB(path: String, request: Any): WebClientResponse<String> {
return putNB(path, request, null, String::class.java)
@@ -175,39 +182,36 @@ interface BlueprintWebClientService {
suspend fun <T> putNB(path: String, request: Any,
additionalHeaders: Array<BasicHeader>?,
- responseType: Class<T>): WebClientResponse<T> =
- withContext(Dispatchers.IO) {
- put(path, request, additionalHeaders!!, responseType)
- }
+ responseType: Class<T>): WebClientResponse<T> = withContext(Dispatchers.IO) {
+ put(path, request, additionalHeaders!!, responseType)
+ }
suspend fun <T> deleteNB(path: String): WebClientResponse<String> {
return deleteNB(path, null, String::class.java)
}
suspend fun <T> deleteNB(path: String, additionalHeaders: Array<BasicHeader>?):
- WebClientResponse<String> {
+ WebClientResponse<String> {
return deleteNB(path, additionalHeaders, String::class.java)
}
suspend fun <T> deleteNB(path: String, additionalHeaders: Array<BasicHeader>?, responseType: Class<T>):
- WebClientResponse<T> =
- withContext(Dispatchers.IO) {
- delete(path, additionalHeaders!!, responseType)
- }
+ WebClientResponse<T> = withContext(Dispatchers.IO) {
+ delete(path, additionalHeaders!!, responseType)
+ }
suspend fun <T> patchNB(path: String, request: Any, additionalHeaders: Array<BasicHeader>?, responseType: Class<T>):
- WebClientResponse<T> =
- withContext(Dispatchers.IO) {
- patch(path, request, additionalHeaders!!, responseType)
- }
+ WebClientResponse<T> = withContext(Dispatchers.IO) {
+ patch(path, request, additionalHeaders!!, responseType)
+ }
suspend fun exchangeNB(methodType: String, path: String, request: Any): WebClientResponse<String> {
return exchangeNB(methodType, path, request, hashMapOf(),
- String::class.java)
+ String::class.java)
}
suspend fun exchangeNB(methodType: String, path: String, request: Any, additionalHeaders: Map<String, String>?):
- WebClientResponse<String> {
+ WebClientResponse<String> {
return exchangeNB(methodType, path, request, additionalHeaders, String::class.java)
}
@@ -224,8 +228,7 @@ interface BlueprintWebClientService {
HttpMethod.DELETE -> deleteNB(path, convertedHeaders, responseType)
HttpMethod.PUT -> putNB(path, request, convertedHeaders, responseType)
HttpMethod.PATCH -> patchNB(path, request, convertedHeaders, responseType)
- else -> throw BluePrintProcessorException("Unsupported method" +
- "Type($methodType)")
+ else -> throw BluePrintProcessorException("Unsupported methodType($methodType)")
}
}
@@ -246,7 +249,7 @@ interface BlueprintWebClientService {
}
private fun basicHeaders(headers: Map<String, String>?):
- Array<BasicHeader> {
+ Array<BasicHeader> {
val basicHeaders = mutableListOf<BasicHeader>()
defaultHeaders().forEach { (name, value) ->
basicHeaders.add(BasicHeader(name, value))
@@ -260,9 +263,9 @@ interface BlueprintWebClientService {
// Non Blocking Rest Implementation
suspend fun httpClientNB(): CloseableHttpClient {
return HttpClients.custom()
- .addInterceptorFirst(WebClientUtils.logRequest())
- .addInterceptorLast(WebClientUtils.logResponse())
- .build()
+ .addInterceptorFirst(WebClientUtils.logRequest())
+ .addInterceptorLast(WebClientUtils.logResponse())
+ .build()
}
//TODO maybe there could be cases where we care about return headers?