org.apache.hadoop.io

接口 Stringifier<T>

类型参数:

T - the class of the objects to stringify

所有超级接口:

AutoCloseable, Closeable

所有已知实现类:

DefaultStringifier

public interface Stringifier<T>
extends Closeable

Stringifier interface offers two methods to convert an object to a string representation and restore the object given its string representation.

方法概要

方法

限定符和类型	方法和说明
void	close() Closes this object.
T	fromString(String str) Restores the object from its string representation.
String	toString(T obj) Converts the object to a string representation

方法详细资料

toString

String toString(T obj)
                throws IOException

Converts the object to a string representation

参数:

obj - the object to convert

返回:

the string representation of the object

抛出:

IOException - if the object cannot be converted

fromString

T fromString(String str)
             throws IOException

Restores the object from its string representation.

参数:

str - the string representation of the object

返回:

restored object

抛出:

IOException - if the object cannot be restored

close

void close()
           throws IOException

Closes this object.

指定者:

close 在接口中 AutoCloseable

指定者:

close 在接口中 Closeable

抛出:

IOException - if an I/O error occurs