Package overit.geocall.util

Class LazyClosure<T extends Serializable>

java.lang.Object

overit.geocall.util.LazyClosure<T>

All Implemented Interfaces:

Serializable

public class LazyClosure<T extends Serializable>
extends Object
implements Serializable

LazyClosure is a simple in-memory caching class. The LazyClosure class suits the caching of database calls, complex object graph building routines and web service calls that should be cached for performance. It defers from Lazy by the default value, in case the Lazy supplier is null.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected final T	def
protected final Lazy<T>	lazy

Constructor Summary

Constructors

Constructor	Description
LazyClosure(Lazy.SerializableSupplier<T> supplier, T def)	Creates a LazyClosure object with the defined Lazy.

Method Summary

Modifier and Type	Method	Description
final T	get()	Returns the value retrieved from the lazy supplier.

Methods inherited from class java.lang.Object

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

Field Details

lazy

protected final Lazy<T extends Serializable> lazy

def

protected final T extends Serializable def

Constructor Details

LazyClosure

public LazyClosure(Lazy.SerializableSupplier<T> supplier,
 T def)

Creates a LazyClosure object with the defined Lazy.

Parameters:

supplier - The Lazy supplier.

def - Default value to return.

Method Details

get

public final T get()

Returns the value retrieved from the lazy supplier. If the value retrieved from the lazy supplier is null, returns the default value.

Returns:

The value retrieved from the lazy supplier. If the value retrieved from the lazy supplier is null, returns the default value.