content: /*
   *  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.causeway.testdomain.transactions.jpa;
  
  import java.util.Optional;
  import java.util.function.Consumer;
  
  import org.springframework.stereotype.Service;
  import org.springframework.transaction.support.TransactionSynchronization;
  
  import org.apache.causeway.applib.annotation.TransactionScope;
  import org.apache.causeway.applib.annotation.Value;
  import org.apache.causeway.core.transaction.events.TransactionCompletionStatus;
  
  import org.jspecify.annotations.NonNull;
  import lombok.RequiredArgsConstructor;
  
  @Service
  @TransactionScope
  public class CommitListener implements TransactionSynchronization {
  
      @Value
      @RequiredArgsConstructor
      public static class TransactionCompletionStatusHolder {
          final TransactionCompletionStatus transactionCompletionStatus;
      }
  
      @Override
      public void afterCompletion(int status) {
          TransactionCompletionStatus transactionCompletionStatus = TransactionCompletionStatus.forStatus(status);
          TransactionCompletionStatusHolder event = new TransactionCompletionStatusHolder(transactionCompletionStatus);
          //_Probe.errOut("=== TRANSACTION after completion (%s)", event.name());
          Optional.ofNullable(listener)
                  .ifPresent(li -> {
                      li.accept(event);
                      unbind();
                  });
      }
  
      private Consumer<TransactionCompletionStatusHolder> listener;
  
      void bind(final @NonNull Consumer<TransactionCompletionStatusHolder> listener) {
          this.listener = listener;
      }
  
      void unbind() {
          this.listener = null;
      }
  
  }
  