Package org.apache.hadoop.io

Interface Stringifier<T>

Type Parameters:

T - the class of the objects to stringify

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable

All Known Implementing Classes:

DefaultStringifier

@Public
@Stable
public interface Stringifier<T>
extends java.io.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	Description
void	close()	Closes this object.
T	fromString(java.lang.String str)	Restores the object from its string representation.
java.lang.String	toString(T obj)	Converts the object to a string representation

Method Detail

toString

java.lang.String toString(T obj)
                   throws java.io.IOException

Converts the object to a string representation

Parameters:

obj - the object to convert

Returns:

the string representation of the object

Throws:

java.io.IOException - if the object cannot be converted

fromString

T fromString(java.lang.String str)
      throws java.io.IOException

Restores the object from its string representation.

Parameters:

str - the string representation of the object

Returns:

restored object

Throws:

java.io.IOException - if the object cannot be restored

close

void close()
    throws java.io.IOException

Closes this object.

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException - if an I/O error occurs