Package io.github.nejckorasa

Class ObjectCmp

java.lang.Object

io.github.nejckorasa.ObjectCmp

public final class ObjectCmp
extends Object

Class to compare objects of same or different type

Constructor Summary

Constructors

Constructor	Description
ObjectCmp()

Method Summary

Modifier and Type	Method	Description
static <B,W> boolean	equals(B base, W working, EqPair<B,W>... eqPair)	Compares base and working objects using equality pair
static <B,W> boolean	equals(B base, W working, BiFunction<B,W,Boolean> equalsFunction)	Compares base and working objects using equals function equalsFunction.
static <O> boolean	equals(O base, O working)	Compares base and working objects using default equals function.
static <O> boolean	equals(O base, O working, Function<O,?> equality)	Compares base and working objects using equality
static <O> boolean	equals(O base, O working, List<Function<O,?>> equalities)	Compares base and working objects using equalities.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectCmp

public ObjectCmp()

Method Detail

equals

public static <O> boolean equals(O base,
                                 O working)

Compares base and working objects using default equals function. Same as calling Objects.equals(Object, Object)

Comparison by reference is always performed first, also if one of the objects is null, false is returned.

Parameters:

base - base object to compare

working - working object to compare

Returns:

true/false whether objects are equal

equals

public static <B,W> boolean equals(B base,
                                         W working,
                                         BiFunction<B,W,Boolean> equalsFunction)

Compares base and working objects using equals function equalsFunction. Similar as calling Objects.compare(Object, Object, Comparator)

Comparison by reference is always performed first, also if one of the objects is null, false is returned.

Parameters:

base - base object to compare

working - working object to compare

equalsFunction - equals function to compare objects with

Returns:

true/false whether objects are equal

equals

public static <O> boolean equals(O base,
                                 O working,
                                 Function<O,?> equality)

Compares base and working objects using equality

Comparison by reference is always performed first, also if one of the objects is null, false is returned.

Type Parameters:

O - objects generic type

Parameters:

base - base object to compare

working - working object to compare

equality - equality based on which objects are compared

Returns:

true/false whether objects are equal

See Also:

equals(Object, Object, List)

equals

public static <O> boolean equals(O base,
                                 O working,
                                 List<Function<O,?>> equalities)

Compares base and working objects using equalities. All equalities must match in order for objects to be considered equal.

Equality is a function that takes object as an input parameter and returns a value. Two objects are considered equal if the results of all it's equalities are equal.

You can use this option to compare objects of same type based on a few of their fields.

Comparison by reference is always performed first, also if one of the objects is null, false is returned.

Type Parameters:

O - objects generic type

Parameters:

base - base object to compare

working - working object to compare

equalities - equalities based on which objects are compared

Returns:

true/false whether objects are equal

equals

@SafeVarargs
public static <B,W> boolean equals(B base,
                                         W working,
                                         EqPair<B,W>... eqPair)

Compares base and working objects using equality pair

Comparison by reference is always performed first, also if one of the objects is null, false is returned.

Parameters:

base - base object to compare

working - working object to compare

eqPair - equality pair based on which objects are compared

Returns:

true/false whether objects are equal

See Also:

EqPair