接口 org.apache.hadoop.io.file.tfile.RawComparable
的使用

使用RawComparable的程序包

程序包	说明
org.apache.hadoop.io.file.tfile

org.apache.hadoop.io.file.tfile中RawComparable的使用

实现RawComparable的org.apache.hadoop.io.file.tfile中的类

限定符和类型	类和说明
class	ByteArray Adaptor class to wrap byte-array backed objects (including java byte array) as RawComparable objects.

返回RawComparable的org.apache.hadoop.io.file.tfile中的方法

限定符和类型	方法和说明
RawComparable	TFile.Reader.getFirstKey() Get the first key in the TFile.
RawComparable	TFile.Reader.getKeyNear(long offset) Get a sample key that is within a block whose starting offset is greater than or equal to the specified offset.
RawComparable	TFile.Reader.getLastKey() Get the last key in the TFile.

返回变量类型为RawComparable的类型的org.apache.hadoop.io.file.tfile中的方法

限定符和类型	方法和说明
Comparator<RawComparable>	TFile.Reader.getComparator() Get an instance of the RawComparator that is constructed based on the string comparator representation.
static Comparator<RawComparable>	TFile.makeComparator(String name) Make a raw comparator from a string name.

参数类型为RawComparable的org.apache.hadoop.io.file.tfile中的方法

限定符和类型	方法和说明
int	TFile.Reader.Scanner.Entry.compareTo(RawComparable key) Compare an entry with a RawComparable object.
TFile.Reader.Scanner	TFile.Reader.createScanner(RawComparable beginKey, RawComparable endKey) 已过时。 Use TFile.Reader.createScannerByKey(RawComparable, RawComparable) instead.
TFile.Reader.Scanner	TFile.Reader.createScannerByKey(RawComparable beginKey, RawComparable endKey) Get a scanner that covers a specific key range.

参数类型为RawComparable的org.apache.hadoop.io.file.tfile中的构造器

构造器和说明
TFile.Reader.Scanner(TFile.Reader reader, RawComparable beginKey, RawComparable endKey) Constructor