ljbo82.util

Class DependencyGraph<T>

java.lang.Object

ljbo82.util.DependencyGraph<T>

public class DependencyGraph<T>
extends Object

Represents a dependency graph.

Author:

Leandro Oliveira (ljbo82@gmail.com)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DependencyGraph.CyclicReferenceException

Constructor Summary

Constructors

Constructor and Description
DependencyGraph()

Method Summary

Modifier and Type	Method and Description
protected T	convertElement(T srcElement) Converts an object into another one of the same type.
Collection<T>	getDependencies(T element) Returns all dependencies of an element.
Collection<T>	getElements() Returns all registered elements.
void	registerElement(T element, T... dependencies) Registers an element and its dependencies.

Methods inherited from class java.lang.Object

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

Constructor Detail

DependencyGraph

public DependencyGraph()

Method Detail

convertElement

protected T convertElement(T srcElement)

Converts an object into another one of the same type.

Parameters:

srcElement - object to be converted.

Returns:

converted element

registerElement

public void registerElement(T element,
                            T... dependencies)

Registers an element and its dependencies.

Parameters:

element - element to be registered.

dependencies - element dependencies.

getDependencies

public Collection<T> getDependencies(T element)

Returns all dependencies of an element.

Parameters:

element - element to be inspected.

Returns:

all dependencies of given element.

getElements

public Collection<T> getElements()

Returns all registered elements.

Returns:

registered elements.