Record Class BeanDiff.Change

java.lang.Object

java.lang.Record

cloud.opencode.base.reflect.bean.BeanDiff.Change

Record Components:

field - the field name | 字段名

before - the value before the change (may be null) | 变更前值（可为 null）

after - the value after the change (may be null) | 变更后值（可为 null）

Enclosing class:

BeanDiff

public static record BeanDiff.Change(String field, Object before, Object after)
extends Record

A single field change: the field name, before-value, and after-value. 单个字段变更：字段名、变更前值和变更后值。

Since:

JDK 25, opencode-base-reflect V1.0.0

Author:

Leon Soo www.LeonSoo.com

Constructor Summary

Constructors

Constructor	Description
Change(String field, Object before, Object after)	Creates an instance of a Change record class.

Method Summary

Modifier and Type	Method	Description
Object	after()	Returns the value of the after record component.
Object	before()	Returns the value of the before record component.
final boolean	equals(Object o)	Indicates whether some other object is "equal to" this one.
String	field()	Returns the value of the field record component.
final int	hashCode()	Returns a hash code value for this object.
boolean	isNowNull()
String	toString()	Returns a string representation of this record class.
boolean	wasNull()

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

Change

public Change(String field,
 Object before,
 Object after)

Creates an instance of a Change record class.

Parameters:

field - the value for the field record component

before - the value for the before record component

after - the value for the after record component

Method Details

wasNull

public boolean wasNull()

isNowNull

public boolean isNowNull()

toString

public String toString()

Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.

Specified by:

toString in class Record

Returns:

a string representation of this object

hashCode

public final int hashCode()

Returns a hash code value for this object. The value is derived from the hash code of each of the record components.

Specified by:

hashCode in class Record

Returns:

a hash code value for this object

equals

public final boolean equals(Object o)

Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).

Specified by:

equals in class Record

Parameters:

o - the object with which to compare

Returns:

true if this object is the same as the o argument; false otherwise.

field

public String field()

Returns the value of the field record component.

Returns:

the value of the field record component

before

public Object before()

Returns the value of the before record component.

Returns:

the value of the before record component

after

public Object after()

Returns the value of the after record component.

Returns:

the value of the after record component