Examples of javax.persistence.NoResultException

javax.persistence.NoResultException
Thrown by the persistence provider when getSingleResult() is executed on a query and there is no result to return. This exception will not cause the current transaction, if one is active, to be marked for roll back. @author Emmanuel Bernard

  @SuppressWarnings( { "ThrowableInstanceNeverThrown" } )
  public Object getSingleResult() {
    try {
      List result = query.list();
      if ( result.size() == 0 ) {
        throwPersistenceException( new NoResultException( "No entity found for query" ) );
      }
      else if ( result.size() > 1 ) {
        Set uniqueResult = new HashSet(result);
        if ( uniqueResult.size() > 1 ) {
          throwPersistenceException( new NonUniqueResultException( "result returns " + uniqueResult.size() + " elements") );

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    protected void setRollbackOnly() {
        entityManager.setRollbackOnly();
    }


    protected void throwNoResultException(String message) {
        throw new NoResultException(message);
    }

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  @SuppressWarnings( { "ThrowableInstanceNeverThrown", "unchecked" })
  public Object getSingleResult() {
    try {
      List result = query.list();
      if ( result.size() == 0 ) {
        throwPersistenceException( new NoResultException( "No entity found for query" ) );
      }
      else if ( result.size() > 1 ) {
        Set uniqueResult = new HashSet( result );
        if ( uniqueResult.size() > 1 ) {
          throwPersistenceException( new NonUniqueResultException( "result returns " + uniqueResult.size() + " elements" ) );

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    }


    @Test(expected = AuthenticationException.class)
    public void anInvalidUserShouldntBeAbleToConnect() {
        // Given
        given(userDao.findByUsername(AN_INVALID_USER)).willThrow(new NoResultException());


        // When
        authenticator.authenticateCredentials(AN_INVALID_USER, AN_INVALID_PASSWORD);


        // Then

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  public void testConvertJpaPersistenceException() {
    EntityNotFoundException entityNotFound = new EntityNotFoundException();
    assertSame(JpaObjectRetrievalFailureException.class,
        EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(entityNotFound).getClass());


    NoResultException noResult = new NoResultException();
    assertSame(EmptyResultDataAccessException.class,
        EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(noResult).getClass());


    NonUniqueResultException nonUniqueResult = new NonUniqueResultException();
    assertSame(IncorrectResultSizeDataAccessException.class,

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  public X getSingleResult() {
    try {
      final List<X> result = query.list();


      if ( result.size() == 0 ) {
        NoResultException nre = new NoResultException( "No entity found for query" );
        getEntityManager().handlePersistenceException( nre );
        throw nre;
      }
      else if ( result.size() > 1 ) {
        final Set<X> uniqueResult = new HashSet<X>(result);

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  @SuppressWarnings({ "ThrowableInstanceNeverThrown" })
  public Object getSingleResult() {
    try {
      List result = query.list();
      if ( result.size() == 0 ) {
        throwPersistenceException( new NoResultException( "No entity found for query" ) );
      }
      else if ( result.size() > 1 ) {
        Set uniqueResult = new HashSet( result );
        if ( uniqueResult.size() > 1 ) {
          throwPersistenceException( new NonUniqueResultException( "result returns " + uniqueResult.size() + " elements" ) );

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    public Object getSingleResult() throws AuditException, NonUniqueResultException, NoResultException {
        List result = list();


        if (result == null || result.size() == 0) {
            throw new NoResultException();
        }


        if (result.size() > 1) {
            throw new NonUniqueResultException();
        }

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    protected void setRollbackOnly() {
        entityManager.setRollbackOnly();
    }


    protected void throwNoResultException(String message) {
        throw new NoResultException(message);
    }

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  @SuppressWarnings( { "ThrowableInstanceNeverThrown" } )
  public Object getSingleResult() {
    try {
      List result = query.list();
      if ( result.size() == 0 ) {
        throwPersistenceException( new NoResultException( "No entity found for query" ) );
      }
      else if ( result.size() > 1 ) {
        Set uniqueResult = new HashSet(result);
        if ( uniqueResult.size() > 1 ) {
          throwPersistenceException( new NonUniqueResultException( "result returns " + uniqueResult.size() + " elements") );

View Full Code Here

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