ColumnMapperDate.java 文件源码

/**
 * Builds a new {@link ColumnMapperDate} using the specified pattern.
 *
 * @param pattern The {@link SimpleDateFormat} pattern to be used.
 */
@JsonCreator
public ColumnMapperDate(@JsonProperty("pattern") String pattern) {
    super(new AbstractType<?>[]{AsciiType.instance,
                                UTF8Type.instance,
                                Int32Type.instance,
                                LongType.instance,
                                IntegerType.instance,
                                FloatType.instance,
                                DoubleType.instance,
                                DecimalType.instance,
                                TimestampType.instance},
          new AbstractType[]{LongType.instance, TimestampType.instance});
    this.pattern = pattern == null ? DEFAULT_PATTERN : pattern;
    concurrentDateFormat = new ThreadLocal<DateFormat>() {
        @Override
        protected DateFormat initialValue() {
            return new SimpleDateFormat(ColumnMapperDate.this.pattern);
        }
    };
}