FunctionalEquivalence

java.lang.Object
- com.google.common.base.Equivalence<F>
- - com.google.common.base.FunctionalEquivalence<F,T>

All Implemented Interfaces:: java.io.Serializable

@Beta
@GwtCompatible
final class FunctionalEquivalence<F,T>
extends Equivalence<F>
implements java.io.Serializable

Equivalence applied on functional result.

Since:: 10.0

Nested Class Summary
- Nested classes/interfaces inherited from class com.google.common.base.Equivalence
  Equivalence.Equals, Equivalence.Identity, Equivalence.Wrapper<T>

Field Summary

Fields
Modifier and Type Field Description

private Function<F,? extends T> function

private Equivalence<T> resultEquivalence

private static long serialVersionUID

Constructor Summary

Constructors
Constructor Description

FunctionalEquivalence(Function<F,? extends T> function, Equivalence<T> resultEquivalence)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected boolean`	`doEquivalent(F a, F b)`	Returns `true` if `a` and `b` are considered equivalent.
`protected int`	`doHash(F a)`	Returns a hash code for non-null object `t`.
`boolean`	`equals(java.lang.Object obj)`
`int`	`hashCode()`
`java.lang.String`	`toString()`

Methods inherited from class com.google.common.base.Equivalence
equals, equivalent, equivalentTo, hash, identity, onResultOf, pairwise, wrap

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - serialVersionUID
```
private static final long serialVersionUID
```
    See Also:
    
    Constant Field Values
  - function
```
private final Function<F,? extends T> function
```
  - resultEquivalence
```
private final Equivalence<T> resultEquivalence
```
- Constructor Detail
  - FunctionalEquivalence
```
FunctionalEquivalence(Function<F,? extends T> function,
                      Equivalence<T> resultEquivalence)
```
- Method Detail
  - doEquivalent
```
protected boolean doEquivalent(F a,
                               F b)
```
    Description copied from class: Equivalence
    
    Returns true if a and b are considered equivalent.
    Called by Equivalence.equivalent(T, T). a and b are not the same object and are not nulls.
    
    Specified by:
    
    doEquivalent in class Equivalence<F>
  - doHash
```
protected int doHash(F a)
```
    Description copied from class: Equivalence
    
    Returns a hash code for non-null object t.
    Called by Equivalence.hash(T).
    
    Specified by:
    
    doHash in class Equivalence<F>
  - equals
```
public boolean equals(@Nullable
                      java.lang.Object obj)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object