| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.servicecomb.pack.alpha.spec.tcc.db.callback; |
| |
| import io.grpc.stub.StreamObserver; |
| import org.apache.servicecomb.pack.alpha.spec.tcc.db.jpa.ParticipatedEvent; |
| import org.apache.servicecomb.pack.common.TransactionStatus; |
| import org.apache.servicecomb.pack.contract.grpc.GrpcTccCoordinateCommand; |
| |
| /** |
| * Grpc omega callback for TCC workflow. |
| */ |
| public final class GrpcOmegaTccCallback implements OmegaCallback { |
| |
| private StreamObserver<GrpcTccCoordinateCommand> responseObserver; |
| |
| public GrpcOmegaTccCallback(StreamObserver<GrpcTccCoordinateCommand> responseObserver) { |
| this.responseObserver = responseObserver; |
| } |
| |
| @Override |
| public void invoke(ParticipatedEvent event, TransactionStatus status) { |
| GrpcTccCoordinateCommand command = GrpcTccCoordinateCommand.newBuilder() |
| .setGlobalTxId(event.getGlobalTxId()) |
| .setLocalTxId(event.getLocalTxId()) |
| .setParentTxId(event.getParentTxId() == null ? "" : event.getParentTxId()) |
| .setServiceName(event.getServiceName()) |
| .setMethod(TransactionStatus.Succeed.equals(status) ? event.getConfirmMethod() : event.getCancelMethod()) |
| .build(); |
| responseObserver.onNext(command); |
| } |
| |
| @Override |
| public void disconnect() { |
| responseObserver.onCompleted(); |
| } |
| } |