org.openjdk.jmc.common

Interface IWritableState

public interface IWritableState

A state container which can be written to. It is an hierarchical structure that can contain named child states. Actual data values are stored in named attributes for each state node.

This interface is a companion to IState which handles reading of state information. IStateful can be used to mark a class that knows how to store its state in an IWritableState instance.

Method Summary

Modifier and Type	Method and Description
IWritableState	createChild(String type) Creates a new child node.
void	putString(String key, String value) Stores a named attribute value.

Method Detail

createChild

IWritableState createChild(String type)

Creates a new child node. Multiple nodes of the same type are permitted.

Parameters:

type - node type

Returns:

a new child node

putString

void putString(String key,
               String value)

Stores a named attribute value. Multiple values with the same key is not supported. If called multiple times with the same key then only the latest value should be kept.

Parameters:

key - attribute key

value - attribute value