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.blueprintsprocessor.selfservice.api.utils.toProto
  23 import org.onap.ccsdk.apps.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc
  24 import org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceInput
  25 import org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceOutput
  26 import org.slf4j.LoggerFactory
  27 import org.springframework.stereotype.Service
  28
  29 @Service
  30 class BluePrintProcessingGRPCHandler(private val bluePrintCoreConfiguration: BluePrintCoreConfiguration,
  31                                      private val executionServiceHandler: ExecutionServiceHandler)
  32     : BluePrintProcessingServiceGrpc.BluePrintProcessingServiceImplBase() {
  33     private val log = LoggerFactory.getLogger(BluePrintProcessingGRPCHandler::class.java)
  34
  35     override fun process(responseObserver: StreamObserver<ExecutionServiceOutput>?): StreamObserver<ExecutionServiceInput> {
  36
  37         return object : StreamObserver<ExecutionServiceInput> {
  38             override fun onNext(executionServiceInput: ExecutionServiceInput) {
  39                 try {
  40                     val output = executionServiceHandler.process(executionServiceInput.toJava())
  41                             .toProto(executionServiceInput.payload)
  42                     responseObserver?.onNext(output)
  43                 } catch (e: Exception) {
  44                     onError(e)
  45                 }
  46             }
  47
  48             override fun onError(error: Throwable) {
  49                 log.debug("Fail to process message", error)
  50                 responseObserver?.onError(io.grpc.Status.INTERNAL
  51                         .withDescription(error.message)
  52                         .asException())
  53             }
  54
  55             override fun onCompleted() {
  56                 responseObserver?.onCompleted()
  57             }
  58         }
  59     }
  60 }