gerrit.onap Code Review - ccsdk/cds.git/blob

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onap.ccsdk.apps.blueprintsprocessor.selfservice.api
  18
  19 import io.grpc.stub.StreamObserver
  20 import org.onap.ccsdk.apps.blueprintsprocessor.core.BluePrintCoreConfiguration
  21 import org.onap.ccsdk.apps.blueprintsprocessor.selfservice.api.utils.toJava
  22 import org.onap.ccsdk.apps.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc
  23 import org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceInput
  24 import org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceOutput
  25 import org.slf4j.LoggerFactory
  26 import org.springframework.stereotype.Service
  27
  28 @Service
  29 class BluePrintProcessingGRPCHandler(private val bluePrintCoreConfiguration: BluePrintCoreConfiguration,
  30                                      private val executionServiceHandler: ExecutionServiceHandler)
  31     : BluePrintProcessingServiceGrpc.BluePrintProcessingServiceImplBase() {
  32     private val log = LoggerFactory.getLogger(BluePrintProcessingGRPCHandler::class.java)
  33
  34     override fun process(
  35         responseObserver: StreamObserver<ExecutionServiceOutput>): StreamObserver<ExecutionServiceInput> {
  36
  37         return object : StreamObserver<ExecutionServiceInput> {
  38             override fun onNext(executionServiceInput: ExecutionServiceInput) {
  39                 try {
  40                     val inputPayload = executionServiceInput.payload
  41                     executionServiceHandler.process(executionServiceInput.toJava(), responseObserver, inputPayload)
  42                 } catch (e: Exception) {
  43                     onError(e)
  44                 }
  45             }
  46
  47             override fun onError(error: Throwable) {
  48                 log.debug("Fail to process message", error)
  49                 responseObserver.onError(io.grpc.Status.INTERNAL
  50                     .withDescription(error.message)
  51                     .asException())
  52             }
  53
  54             override fun onCompleted() {
  55                 log.info("Completed")
  56             }
  57         }
  58     }
  59 }