Uses of Class
com.aliyun.odps.io.WritableComparator

Packages that use WritableComparator

Package	Description
com.aliyun.odps.io	ODPS中使用的Writable数据类型，目前只有Graph作业需要使用

Uses of WritableComparator in com.aliyun.odps.io

Subclasses of WritableComparator in com.aliyun.odps.io

Modifier and Type	Class and Description
static class	BigDecimalWritable.Comparator A Comparator optimized for BigDecimalWritable.
static class	BooleanWritable.Comparator BooleanWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	BytesWritable.Comparator BytesWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	ByteWritable.Comparator ByteWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	DatetimeWritable.Comparator DatetimeWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	DatetimeWritable.DecreasingComparator DatetimeWritable 对象的 WritableComparator 降序实现.
static class	DateWritable.Comparator DatetimeWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	DateWritable.DecreasingComparator DatetimeWritable 对象的 WritableComparator 降序实现.
static class	DoubleWritable.Comparator DoubleWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	FloatWritable.Comparator FloatWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	IntervalDayTimeWritable.Comparator IntervalDayTimeWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	IntervalDayTimeWritable.DecreasingComparator IntervalDayTimeWritable 对象的 WritableComparator 降序实现.
static class	IntervalYearMonthWritable.Comparator IntervalYearMonthWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	IntervalYearMonthWritable.DecreasingComparator IntervalYearMonthWritable 对象的 WritableComparator 降序实现.
static class	IntWritable.Comparator IntWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	LongWritable.Comparator LongWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	LongWritable.DecreasingComparator LongWritable 对象的 WritableComparator 降序实现.
static class	NullWritable.Comparator NullWritable 对象的 WritableComparator 实现.
static class	ShortWritable.Comparator ShortWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	Text.Comparator Text 对象的 WritableComparator 自然顺序实现（升序）.
static class	TimestampWritable.Comparator TimestampWritable 对象的 WritableComparator 自然顺序实现（升序）.
static class	TimestampWritable.DecreasingComparator TimestampWritable 对象的 WritableComparator 降序实现.
static class	TupleReaderWriter.TupleRawComparator Tuple 对象的 WritableComparator 自然顺序实现（升序）.

Methods in com.aliyun.odps.io that return WritableComparator

Modifier and Type	Method and Description
static WritableComparator	WritableComparator.get(Class<? extends WritableComparable> c) 此静态方法用于获取为类型 c 注册的 WritableComparator 实现.

Methods in com.aliyun.odps.io with parameters of type WritableComparator

Modifier and Type	Method and Description
static void	WritableComparator.define(Class c, WritableComparator comparator) 此静态方法用于为指定类型注册更高效的 WritableComparator 实现，否则默认使用本实现.