Package org.apache.mina.util

Class LazyInitializer<V>

java.lang.Object

org.apache.mina.util.LazyInitializer<V>

Type Parameters:

V - The value type

Direct Known Subclasses:

IoBufferLazyInitializer, LazyInitializedCacheMap.NoopInitializer

public abstract class LazyInitializer<V>
extends Object

An abstract class which provides semantics for an object which will be only fully initialized when requested to. It allows to avoid loosing time when early initializing unnecessary objects.

Since:

MINA 2.0.0-M2

Field Summary

Fields

Modifier and Type	Field	Description
private V	value	The value that results on the init() call.

Constructor Summary

Constructors

Constructor	Description
LazyInitializer()

Method Summary

Modifier and Type	Method	Description
V	get()
abstract V	init()	Initializes the value.

Methods inherited from class java.lang.Object

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

Field Details

value

private V value

The value that results on the init() call. If null, it means that the value has not been initialized yet.

Constructor Details

LazyInitializer

public LazyInitializer()

Method Details

init

public abstract V init()

Initializes the value.

Returns:

the initialized value

get

public V get()

Returns:

the value resulting from the initialization.