javax.persistence.Converter类的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中javax.persistence.Converter类的一些代码示例，展示了Converter类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Converter类的具体详情如下：
包路径：javax.persistence.Converter
类名称：Converter

Converter介绍

暂无

代码示例

代码示例来源：origin: spring-projects/spring-data-jpa

@Converter(autoApply = true)
  public static class ZoneIdConverter implements AttributeConverter<ZoneId, String> {

    @Override
    public String convertToDatabaseColumn(ZoneId zoneId) {
      return ZoneIdToStringConverter.INSTANCE.convert(zoneId);
    }

    @Override
    public ZoneId convertToEntityAttribute(String zoneId) {
      return StringToZoneIdConverter.INSTANCE.convert(zoneId);
    }
  }
}

代码示例来源：origin: hibernate/hibernate-orm

private AutoApplicableConverterDescriptor resolveAutoApplicableDescriptor(
    Class<? extends AttributeConverter> converterClass,
    Boolean forceAutoApply) {
  final boolean autoApply;
  if ( forceAutoApply != null ) {
    // if the caller explicitly specified whether to auto-apply, honor that
    autoApply = forceAutoApply;
  }
  else {
    // otherwise, look at the converter's @Converter annotation
    final Converter annotation = converterClass.getAnnotation( Converter.class );
    autoApply = annotation != null && annotation.autoApply();
  }
  return autoApply
      ? new AutoApplicableConverterDescriptorStandardImpl( this )
      : AutoApplicableConverterDescriptorBypassedImpl.INSTANCE;
}

代码示例来源：origin: spring-projects/spring-data-jpa

@Converter(autoApply = true)
public static class LocalDateTimeConverter implements AttributeConverter<LocalDateTime, Date> {
  @Override
  public Date convertToDatabaseColumn(LocalDateTime date) {
    return LocalDateTimeToDateConverter.INSTANCE.convert(date);
  }
  @Override
  public LocalDateTime convertToEntityAttribute(Date date) {
    return DateToLocalDateTimeConverter.INSTANCE.convert(date);
  }
}

代码示例来源：origin: hibernate/hibernate-orm

/**
 * Build an AttributeConverterDefinition from an AttributeConverter instance.  The
 * converter is searched for a {@link Converter} annotation     to determine whether it should
 * be treated as auto-apply.  If the annotation is present, {@link Converter#autoApply()} is
 * used to make that determination.  If the annotation is not present, {@code false} is assumed.
 *
 * @param attributeConverter The AttributeConverter instance
 *
 * @return The constructed definition
 */
public static AttributeConverterDefinition from(AttributeConverter attributeConverter) {
  boolean autoApply = false;
  Converter converterAnnotation = attributeConverter.getClass().getAnnotation( Converter.class );
  if ( converterAnnotation != null ) {
    autoApply = converterAnnotation.autoApply();
  }
  return new AttributeConverterDefinition( attributeConverter, autoApply );
}

代码示例来源：origin: spring-projects/spring-data-jpa

@Converter(autoApply = true)
public static class InstantConverter implements AttributeConverter<Instant, Date> {
  @Override
  public Date convertToDatabaseColumn(Instant instant) {
    return InstantToDateConverter.INSTANCE.convert(instant);
  }
  @Override
  public Instant convertToEntityAttribute(Date date) {
    return DateToInstantConverter.INSTANCE.convert(date);
  }
}

代码示例来源：origin: spring-projects/spring-data-jpa

@Converter(autoApply = true)
public static class LocalDateConverter implements AttributeConverter<LocalDate, Date> {
  @Override
  public Date convertToDatabaseColumn(LocalDate date) {
    return LocalDateToDateConverter.INSTANCE.convert(date);
  }
  @Override
  public LocalDate convertToEntityAttribute(Date date) {
    return DateToLocalDateConverter.INSTANCE.convert(date);
  }
}

代码示例来源：origin: spring-projects/spring-data-jpa

@Converter(autoApply = true)
public static class LocalTimeConverter implements AttributeConverter<LocalTime, Date> {
  @Override
  public Date convertToDatabaseColumn(LocalTime time) {
    return LocalTimeToDateConverter.INSTANCE.convert(time);
  }
  @Override
  public LocalTime convertToEntityAttribute(Date date) {
    return DateToLocalTimeConverter.INSTANCE.convert(date);
  }
}

代码示例来源：origin: spring-projects/spring-data-jpa

@Converter(autoApply = true)
public static class InstantConverter implements AttributeConverter<Instant, Date> {
  @Nullable
  @Override
  public Date convertToDatabaseColumn(Instant instant) {
    return instant == null ? null : InstantToDateConverter.INSTANCE.convert(instant);
  }
  @Nullable
  @Override
  public Instant convertToEntityAttribute(Date date) {
    return date == null ? null : DateToInstantConverter.INSTANCE.convert(date);
  }
}

代码示例来源：origin: spring-projects/spring-data-jpa

@Converter(autoApply = true)
public static class LocalDateConverter implements AttributeConverter<LocalDate, Date> {
  @Nullable
  @Override
  public Date convertToDatabaseColumn(LocalDate date) {
    return date == null ? null : LocalDateToDateConverter.INSTANCE.convert(date);
  }
  @Nullable
  @Override
  public LocalDate convertToEntityAttribute(Date date) {
    return date == null ? null : DateToLocalDateConverter.INSTANCE.convert(date);
  }
}

代码示例来源：origin: spring-projects/spring-data-jpa

@Converter(autoApply = true)
public static class LocalTimeConverter implements AttributeConverter<LocalTime, Date> {
  @Nullable
  @Override
  public Date convertToDatabaseColumn(LocalTime time) {
    return time == null ? null : LocalTimeToDateConverter.INSTANCE.convert(time);
  }
  @Nullable
  @Override
  public LocalTime convertToEntityAttribute(Date date) {
    return date == null ? null : DateToLocalTimeConverter.INSTANCE.convert(date);
  }
}

代码示例来源：origin: spring-projects/spring-data-jpa

@Converter(autoApply = true)
public static class LocalDateTimeConverter implements AttributeConverter<LocalDateTime, Date> {
  @Nullable
  @Override
  public Date convertToDatabaseColumn(LocalDateTime date) {
    return date == null ? null : LocalDateTimeToDateConverter.INSTANCE.convert(date);
  }
  @Nullable
  @Override
  public LocalDateTime convertToEntityAttribute(Date date) {
    return date == null ? null : DateToLocalDateTimeConverter.INSTANCE.convert(date);
  }
}

代码示例来源：origin: spring-projects/spring-data-jpa

@Converter(autoApply = true)
  public static class ZoneIdConverter implements AttributeConverter<ZoneId, String> {

    @Nullable
    @Override
    public String convertToDatabaseColumn(ZoneId zoneId) {
      return zoneId == null ? null : ZoneIdToStringConverter.INSTANCE.convert(zoneId);
    }

    @Nullable
    @Override
    public ZoneId convertToEntityAttribute(String zoneId) {
      return zoneId == null ? null : StringToZoneIdConverter.INSTANCE.convert(zoneId);
    }
  }
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Test candidate for {@link Converter}.
 *
 * @author Stephane Nicoll
 */
@Converter
public class SampleConverter {
}

代码示例来源：origin: mitreid-connect/OpenID-Connect-Java-Spring-Server

@Converter
public class JWEAlgorithmStringConverter implements AttributeConverter<JWEAlgorithm, String> {

  @Override
  public String convertToDatabaseColumn(JWEAlgorithm attribute) {
    if (attribute != null) {
      return attribute.getName();
    } else {
      return null;
    }
  }

  /* (non-Javadoc)
   * @see javax.persistence.AttributeConverter#convertToEntityAttribute(java.lang.Object)
   */
  @Override
  public JWEAlgorithm convertToEntityAttribute(String dbData) {
    if (dbData != null) {
      return JWEAlgorithm.parse(dbData);
    } else {
      return null;
    }
  }
}

代码示例来源：origin: mitreid-connect/OpenID-Connect-Java-Spring-Server

@Converter
public class JWEEncryptionMethodStringConverter implements AttributeConverter<EncryptionMethod, String> {

  @Override
  public String convertToDatabaseColumn(EncryptionMethod attribute) {
    if (attribute != null) {
      return attribute.getName();
    } else {
      return null;
    }
  }

  /* (non-Javadoc)
   * @see javax.persistence.AttributeConverter#convertToEntityAttribute(java.lang.Object)
   */
  @Override
  public EncryptionMethod convertToEntityAttribute(String dbData) {
    if (dbData != null) {
      return EncryptionMethod.parse(dbData);
    } else {
      return null;
    }
  }
}

代码示例来源：origin: mitreid-connect/OpenID-Connect-Java-Spring-Server

@Converter
public class JWSAlgorithmStringConverter implements AttributeConverter<JWSAlgorithm, String> {

  @Override
  public String convertToDatabaseColumn(JWSAlgorithm attribute) {
    if (attribute != null) {
      return attribute.getName();
    } else {
      return null;
    }
  }

  /* (non-Javadoc)
   * @see javax.persistence.AttributeConverter#convertToEntityAttribute(java.lang.Object)
   */
  @Override
  public JWSAlgorithm convertToEntityAttribute(String dbData) {
    if (dbData != null) {
      return JWSAlgorithm.parse(dbData);
    } else {
      return null;
    }
  }
}

代码示例来源：origin: mitreid-connect/OpenID-Connect-Java-Spring-Server

/**
 * @author jricher
 *
 */
@Converter
public class SimpleGrantedAuthorityStringConverter implements AttributeConverter<SimpleGrantedAuthority, String> {

  @Override
  public String convertToDatabaseColumn(SimpleGrantedAuthority attribute) {
    if (attribute != null) {
      return attribute.getAuthority();
    } else {
      return null;
    }
  }

  @Override
  public SimpleGrantedAuthority convertToEntityAttribute(String dbData) {
    if (dbData != null) {
      return new SimpleGrantedAuthority(dbData);
    } else {
      return null;
    }
  }

}

代码示例来源：origin: mitreid-connect/OpenID-Connect-Java-Spring-Server

@Converter
public class JsonElementStringConverter implements AttributeConverter<JsonElement, String> {

代码示例来源：origin: mitreid-connect/OpenID-Connect-Java-Spring-Server

/**
 * @author jricher
 *
 */
@Converter
public class PKCEAlgorithmStringConverter implements AttributeConverter<PKCEAlgorithm, String> {

  @Override
  public String convertToDatabaseColumn(PKCEAlgorithm attribute) {
    if (attribute != null) {
      return attribute.getName();
    } else {
      return null;
    }
  }

  /* (non-Javadoc)
   * @see javax.persistence.AttributeConverter#convertToEntityAttribute(java.lang.Object)
   */
  @Override
  public PKCEAlgorithm convertToEntityAttribute(String dbData) {
    if (dbData != null) {
      return PKCEAlgorithm.parse(dbData);
    } else {
      return null;
    }
  }

}

代码示例来源：origin: mitreid-connect/OpenID-Connect-Java-Spring-Server

@Converter
public class JsonObjectStringConverter implements AttributeConverter<JsonObject, String> {

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