Examples of javax.persistence.AttributeConverter

javax.persistence.AttributeConverter
A class that implements this interface can be used to convert entity attribute state into database column representation and back again. Note that the X and Y types may be the same Java type. @param X the type of the entity attribute @param Y the type of the database column @since Java Persistence 2.1

   * @param attributeConverterClass The AttributeConverter class.
   * @param autoApply Should the AttributeConverter be auto applied to property types as specified
   * by its "entity attribute" parameterized type?
   */
  public void addAttributeConverter(Class<? extends AttributeConverter> attributeConverterClass, boolean autoApply) {
    final AttributeConverter attributeConverter;
    try {
      attributeConverter = attributeConverterClass.newInstance();
    }
    catch (Exception e) {
      throw new AnnotationException(

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   * Adds the AttributeConverter Class to this Configuration.
   *
   * @param attributeConverterClass The AttributeConverter class.
   */
  public void addAttributeConverter(Class<? extends AttributeConverter> attributeConverterClass) {
    final AttributeConverter attributeConverter;
    try {
      attributeConverter = attributeConverterClass.newInstance();
    }
    catch (Exception e) {
      throw new AnnotationException(

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                    builder.append("\\N");
                } else if (method.isAnnotationPresent(Convert.class)) {
                    Class<? extends AttributeConverter<?, ?>> converterClass = method.getAnnotation(Convert.class)
                            .converter();


                    AttributeConverter converter = converterClass.newInstance();
                    builder.append(converter.convertToDatabaseColumn(value));
                } else if (method.isAnnotationPresent(JoinColumn.class)) {
                    // We need to get the id of the joined object.
                    for (Method method2 : value.getClass().getMethods()) {
                        if (method2.isAnnotationPresent(Id.class)) {
                            builder.append(method2.invoke(value));

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        autoApply
    );
  }


  private AttributeConverter instantiateAttributeConverter(Class<? extends AttributeConverter> attributeConverterClass) {
    AttributeConverter attributeConverter;
    try {
      attributeConverter = attributeConverterClass.newInstance();
    }
    catch (Exception e) {
      throw new AnnotationException(

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   * @param attributeConverterClass The AttributeConverter class.
   * @param autoApply Should the AttributeConverter be auto applied to property types as specified
   * by its "entity attribute" parameterized type?
   */
  public void addAttributeConverter(Class<? extends AttributeConverter> attributeConverterClass, boolean autoApply) {
    final AttributeConverter attributeConverter;
    try {
      attributeConverter = attributeConverterClass.newInstance();
    }
    catch (Exception e) {
      throw new AnnotationException(

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   * Adds the AttributeConverter Class to this Configuration.
   *
   * @param attributeConverterClass The AttributeConverter class.
   */
  public void addAttributeConverter(Class<? extends AttributeConverter> attributeConverterClass) {
    final AttributeConverter attributeConverter;
    try {
      attributeConverter = attributeConverterClass.newInstance();
    }
    catch (Exception e) {
      throw new AnnotationException(

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   * @param attributeConverterClass The AttributeConverter class.
   * @param autoApply Should the AttributeConverter be auto applied to property types as specified
   * by its "entity attribute" parameterized type?
   */
  public void addAttributeConverter(Class<? extends AttributeConverter> attributeConverterClass, boolean autoApply) {
    final AttributeConverter attributeConverter;
    try {
      attributeConverter = attributeConverterClass.newInstance();
    }
    catch (Exception e) {
      throw new AnnotationException(

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   * Adds the AttributeConverter Class to this Configuration.
   *
   * @param attributeConverterClass The AttributeConverter class.
   */
  public void addAttributeConverter(Class<? extends AttributeConverter> attributeConverterClass) {
    final AttributeConverter attributeConverter;
    try {
      attributeConverter = attributeConverterClass.newInstance();
    }
    catch (Exception e) {
      throw new AnnotationException(

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    if ( AttributeConverterTypeAdapter.class.isInstance( expectedType ) ) {
      final AttributeConverterTypeAdapter adapterType = (AttributeConverterTypeAdapter) expectedType;
      if ( getDataType().getReturnedClass().equals( adapterType.getModelType() ) ) {
        // apply the converter
        final AttributeConverter converter = ( (AttributeConverterTypeAdapter) expectedType ).getAttributeConverter();
        final Object converted = converter.convertToDatabaseColumn( getLiteralValue() );
        if ( isCharacterData( adapterType.sqlType() ) ) {
          setText( "'" + converted.toString() + "'" );
        }
        else {
          setText( converted.toString() );

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   * @param attributeConverterClass The AttributeConverter class.
   * @param autoApply Should the AttributeConverter be auto applied to property types as specified
   * by its "entity attribute" parameterized type?
   */
  public void addAttributeConverter(Class<? extends AttributeConverter> attributeConverterClass, boolean autoApply) {
    final AttributeConverter attributeConverter;
    try {
      attributeConverter = attributeConverterClass.newInstance();
    }
    catch (Exception e) {
      throw new AnnotationException(

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