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
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   */
  package org.apache.causeway.testdomain.persistence.jdo;
  
  import java.util.NoSuchElementException;
  
  import javax.jdo.JDODataStoreException;
  import javax.jdo.JDOException;
  
  import org.datanucleus.api.jdo.JDOAdapter;
  import org.datanucleus.exceptions.NucleusException;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import org.springframework.dao.DataAccessException;
  
  import org.apache.causeway.commons.functional.Try;
  import org.apache.causeway.persistence.jdo.spring.integration.JdoTransactionManager;
  
  final class _JdoExceptionTranslator {
  
      // not used, but maybe keep for debugging purposes
      static DataAccessException translate(final Throwable failure, final JdoTransactionManager txManager) {
  
          return (DataAccessException) Try.failure(failure)
  
          //XXX seems like a bug in DN, why do we need to unwrap this?
          .mapFailure(ex->ex instanceof IllegalArgumentException
                  ? ((IllegalArgumentException)ex).getCause()
                  : ex)
  
          // asserts we have a NucleusException
          .ifFailure(ex->assertTrue(ex instanceof NucleusException))
  
          // converts to JDOException
          .mapFailure(ex->ex instanceof NucleusException
                  ? JDOAdapter
                          .getJDOExceptionForNucleusException(((NucleusException)ex))
                  : ex)
  
          // asserts translation to JDO standard
          .ifFailure(ex->assertTrue(ex instanceof JDODataStoreException))
  
          // converts to Spring DataAccessException
          .mapFailure(ex->ex instanceof JDOException
                  ? txManager.getJdoDialect().translateException((JDOException)ex)
                  : ex)
  
          .getFailure()
          .orElse(new NoSuchElementException("No value present"));
  
      }
  
  }
  