org.grouplens.grapht

Class Component

java.lang.Object

org.grouplens.grapht.Component

All Implemented Interfaces:

Serializable

public class Component
extends Object
implements Serializable

A component to be instantiated in the final dependency plan. A component consists of a Satisfaction and related information for instantiating it (such as the CachePolicy).

Author:

GroupLens Research

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
static Component	create(Satisfaction satisfaction, CachePolicy policy) Create a new Component wrapping the given satisfaction and cache policy.
boolean	equals(Object o)
CachePolicy	getCachePolicy()
Satisfaction	getSatisfaction()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

create

public static Component create(Satisfaction satisfaction,
                               CachePolicy policy)

Create a new Component wrapping the given satisfaction and cache policy. The injector is responsible for using the satisfaction to implement this component consistent with its cache policy.

Parameters:

satisfaction - The satisfaction to wrap

policy - The policy used with this satisfaction

Throws:

NullPointerException - the satisfaction or policy is null

getSatisfaction

public Satisfaction getSatisfaction()

Returns:

The Satisfaction stored in this pair

getCachePolicy

public CachePolicy getCachePolicy()

Returns:

The CachePolicy that must be implemented on top of the providers from this satisfaction

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object