StickyBiFunc (cactoos 0.55.0 API)

java.lang.Object
- org.cactoos.func.StickyBiFunc<X,Y,Z>

Type Parameters:

X - Type of input

Y - Type of input

Z - Type of output

All Implemented Interfaces:

BiFunc<X,Y,Z>
```
public final class StickyBiFunc<X,Y,Z>
extends Object
implements BiFunc<X,Y,Z>
```
Func that accepts two arguments and caches previously calculated values and doesn't recalculate again.
Pay attention that this class is not thread-safe. It is highly recommended to always decorate it with SyncBiFunc.

This BiFunc decorator technically is an in-memory cache.

There is no thread-safety guarantee.

Since:

0.13

See Also:

Sticky

- Constructor Summary
  
  Constructors
  Constructor Description
  
  StickyBiFunc(BiFunc<X,Y,Z> fnc)
  Ctor.
  
  StickyBiFunc(BiFunc<X,Y,Z> fnc, int max)
  Ctor.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Z apply(X first, Y second)
  Apply it.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - StickyBiFunc
```
public StickyBiFunc(BiFunc<X,Y,Z> fnc)
```
    Ctor.
    
    Parameters:
    
    fnc - Func original
  - StickyBiFunc
```
public StickyBiFunc(BiFunc<X,Y,Z> fnc,
                    int max)
```
    Ctor.
    
    Parameters:
    
    fnc - Func original
    
    max - Maximum buffer size
    
    Since:
    
    0.26
- Method Detail
  - apply
```
public Z apply(X first,
               Y second)
        throws Exception
```
    Description copied from interface: BiFunc
    
    Apply it.
    
    Specified by:
    
    apply in interface BiFunc<X,Y,Z>
    
    Parameters:
    
    first - The first argument
    
    second - The second argument
    
    Returns:
    
    The result
    
    Throws:
    
    Exception - If fails