com.dpslink.base.util

Class ServerContext

java.lang.Object

com.dpslink.base.util.ServerContext

All Implemented Interfaces:

java.io.Serializable

public class ServerContext
extends java.lang.Object
implements java.io.Serializable

A utility class that provides storage and retrieval of context values which are global to the server application and are not directly related to a user session.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private static java.util.HashMap<java.lang.String,java.lang.Object>	cvCache A cache of server context objects.
private static long	serialVersionUID The class' serialization version id.

Constructor Summary

Constructors

Constructor and Description
ServerContext()

Method Summary

Modifier and Type	Method and Description
static java.lang.Object	get(java.lang.String key) Returns a value from the context.
static java.util.concurrent.ScheduledExecutorService	getThreadQueue() Returns the shared instance of the server's FIFO thread queue.
static void	put(java.lang.String key, java.lang.Object value) Sets a value in the context.
static void	remove(java.lang.String key) Removes a value from the context.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

serialVersionUID

private static final long serialVersionUID

The class' serialization version id.

See Also:

Constant Field Values

cvCache

private static java.util.HashMap<java.lang.String,java.lang.Object> cvCache

A cache of server context objects.

Constructor Detail

ServerContext

public ServerContext()

Method Detail

get

public static java.lang.Object get(java.lang.String key)

Returns a value from the context.

Parameters:

key - (String) The value's key.

Returns:

Object - The key's value or null if there is no value in the context for the key.

put

public static void put(java.lang.String key,
                       java.lang.Object value)

Sets a value in the context.

Parameters:

key - (String) The value's key.

value - (Object) The value to store in the context.

remove

public static void remove(java.lang.String key)

Removes a value from the context.

Parameters:

key - (String) The value's key.

getThreadQueue

public static java.util.concurrent.ScheduledExecutorService getThreadQueue()

Returns the shared instance of the server's FIFO thread queue. The queue uses a single worker thread, where all submitted and scheduled tasks are guaranteed to execute sequentially and no more than one task will ever be active at any given time.

Returns:

ScheduledExecutorService - The server's FIFO thread queue.