org.apache.hadoop.io

Interface Stringifier<T>

Type Parameters:

T - the class of the objects to stringify

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

DefaultStringifier

@InterfaceAudience.Public
 @InterfaceStability.Stable
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.

Method Summary

Modifier and Type	Method and Description
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

Method Detail

toString

String toString(T obj)
         throws IOException

Converts the object to a string representation

Parameters:

obj - the object to convert

Returns:

the string representation of the object

Throws:

IOException - if the object cannot be converted

fromString

T fromString(String str)
      throws IOException

Restores the object from its string representation.

Parameters:

str - the string representation of the object

Returns:

restored object

Throws:

IOException - if the object cannot be restored

close

void close()
    throws IOException

Closes this object.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException - if an I/O error occurs