org.zkoss.zk.ui.sys

Interface Storage

All Superinterfaces:

java.io.Serializable

public interface Storage
extends java.io.Serializable

A storage interface is used for ZK web application to store application data with a string key and a data type value. The implementation class for this interface must be a thread safe that application developer can add, remove, or get the data without dealing with threads.

Since:

8.0.0

Author:

jumperchen

Method Summary

Modifier and Type	Method and Description
<T> T	getItem(java.lang.String key) Returns the value from the given key.
<T> T	removeItem(java.lang.String key) Removes the value from the given key, if any.
<T> void	setItem(java.lang.String key, T value) Sets a data value with a given key

Method Detail

getItem

<T> T getItem(java.lang.String key)

Returns the value from the given key.

setItem

<T> void setItem(java.lang.String key,
                 T value)

Sets a data value with a given key

removeItem

<T> T removeItem(java.lang.String key)

Removes the value from the given key, if any.

Returns:

a removed value or null