Module io.github.darvil.utils

Package io.github.darvil.utils

Class MultiComparator<T>

java.lang.Object

io.github.darvil.utils.MultiComparator<T>

Type Parameters:

T - The type of the objects to compare.

public class MultiComparator<T>
extends Object

A class that allows you to compare two objects using a list of predicates.

Constructor Summary

Constructors

Constructor	Description
MultiComparator()

Method Summary

Modifier and Type	Method	Description
MultiComparator<T>	addPredicate(Predicate<T> p)	Adds a predicate to the list of predicates to be used when comparing.
MultiComparator<T>	addPredicate(Predicate<T> p, int priority)	Adds a predicate to the list of predicates to be used when comparing.
int	compare(T first, T second)	Compares the two objects given using the predicates added to this comparator.

Methods inherited from class java.lang.Object

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

Constructor Details

MultiComparator

public MultiComparator()

Method Details

addPredicate

public MultiComparator<T> addPredicate(Predicate<T> p,
 int priority)

Adds a predicate to the list of predicates to be used when comparing.

Parameters:

p - The predicate to add.

priority - The priority of the predicate. The higher the priority, the earlier the predicate will be checked.

addPredicate

public MultiComparator<T> addPredicate(Predicate<T> p)

Adds a predicate to the list of predicates to be used when comparing. The priority of the predicate will be 0.

Parameters:

p - The predicate to add.

compare

public int compare(T first,
 T second)

Compares the two objects given using the predicates added to this comparator.

Parameters:

first - The first object to compare.

second - The second object to compare.

Returns:

-1 if the first object is "greater" than the second, 1 if the second object is "greater" than the first, 0 if they are equal.