HashCodeAndEqualsPlugin (Byte Buddy (parent) 1.8.2 API)

java.lang.Object
- net.bytebuddy.build.HashCodeAndEqualsPlugin

All Implemented Interfaces:

Plugin, ElementMatcher<TypeDescription>

Direct Known Subclasses:

HashCodeAndEqualsPlugin.WithNonNullableFields
```
public class HashCodeAndEqualsPlugin
extends java.lang.Object
implements Plugin
```
A build tool plugin that adds Object.hashCode() and Object.equals(Object) methods to a class if the HashCodeAndEqualsPlugin.Enhance annotation is present and no explicit method declaration was added.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static interface`	`HashCodeAndEqualsPlugin.Enhance`	Instructs the `HashCodeAndEqualsPlugin` to generate `Object.hashCode()` and `Object.equals(Object)` for the annotated class unless these methods are already declared explicitly.
`static interface`	`HashCodeAndEqualsPlugin.ValueHandling`	Determines how a field should be used within generated hash code and equality methods.
`protected static class`	`HashCodeAndEqualsPlugin.ValueMatcher`	An element matcher for a `HashCodeAndEqualsPlugin.ValueHandling` annotation.
`static class`	`HashCodeAndEqualsPlugin.WithNonNullableFields`	A version of the `HashCodeAndEqualsPlugin` that assumes that all fields are non-nullable unless they are explicitly marked.

Nested classes/interfaces inherited from interface net.bytebuddy.matcher.ElementMatcher
ElementMatcher.Junction<S>

Constructor Summary

Constructors
Constructor Description

HashCodeAndEqualsPlugin()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`DynamicType.Builder<?>`	`apply(DynamicType.Builder<?> builder, TypeDescription typeDescription)`	Applies this plugin.
`boolean`	`matches(TypeDescription target)`	Matches a target against this element matcher.
`protected ElementMatcher<FieldDescription>`	`nonNullable(ElementMatcher<FieldDescription> matcher)`	Resolves the matcher to identify non-nullable fields.

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

- Constructor Detail
  - HashCodeAndEqualsPlugin
```
public HashCodeAndEqualsPlugin()
```
- Method Detail
  - matches
```
public boolean matches(TypeDescription target)
```
    Description copied from interface: ElementMatcher
    
    Matches a target against this element matcher.
    
    Specified by:
    
    matches in interface ElementMatcher<TypeDescription>
    
    Parameters:
    
    target - The instance to be matched.
    
    Returns:
    
    true if the given element is matched by this matcher or false otherwise.
  - apply
```
public DynamicType.Builder<?> apply(DynamicType.Builder<?> builder,
                                    TypeDescription typeDescription)
```
    Description copied from interface: Plugin
    
    Applies this plugin.
    
    Specified by:
    
    apply in interface Plugin
    
    Parameters:
    
    builder - The builder to use as a basis for the applied transformation.
    
    typeDescription - The type being transformed.
    
    Returns:
    
    The supplied builder with additional transformations registered.
  - nonNullable
```
protected ElementMatcher<FieldDescription> nonNullable(ElementMatcher<FieldDescription> matcher)
```
    Resolves the matcher to identify non-nullable fields.
    
    Parameters:
    
    matcher - The matcher that identifies fields that are either nullable or non-nullable.
    
    Returns:
    
    The actual matcher to identify non-nullable fields.