Module litebridge.tracking

Package org.litebridgedb.tracking

Class FieldAccessorChain

java.lang.Object

org.litebridgedb.tracking.FieldAccessorChain

All Implemented Interfaces:

FieldAccessor

public final class FieldAccessorChain
extends Object
implements FieldAccessor

Represents a chain of FieldAccessor instances, allowing the traversal and manipulation of nested fields of a data transfer object (DTO).

This class provides mechanisms to navigate nested structures while enabling read/write access to the chained fields.

Constructor Summary

Constructors

Constructor	Description
FieldAccessorChain(FieldAccessor parent, String fieldPath, ClassFieldAccessorCache classFieldAccessorCache)

Method Summary

Modifier and Type	Method	Description
FieldAccessorChain	add(FieldAccessor fieldAccessor)
Class<?>	dtoClass()	Retrieves the parent Class of the DTO containing the field targeted by this FieldAccessor.
boolean	equals(Object o)
List<FieldAccessor>	fieldAccessors()
String	fieldPath()
Class<?>[]	genericTypes()	Returns an array of Class objects representing the generic types associated with the field or property represented by this FieldAccessor.
@Nullable Object	get(Object dto)	Retrieve the value of a field or property from the provided data transfer object (DTO).
int	hashCode()
boolean	isLast(FieldAccessor fieldAccessor)
String	name()	Return the name of the field or property represented by this FieldAccessor.
void	set(Object dto, @Nullable Object value)	Set the value of a field or property for the provided data transfer object (DTO).
FieldAccessorChain	subChain()
String	toString()
Class<?>	type()	Returns the declared type for the field represented by this FieldAccessor.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.litebridgedb.tracking.FieldAccessor

genericType

Constructor Details

FieldAccessorChain

public FieldAccessorChain(FieldAccessor parent,
 String fieldPath,
 ClassFieldAccessorCache classFieldAccessorCache)

Method Details

fieldPath

public String fieldPath()

fieldAccessors

public List<FieldAccessor> fieldAccessors()

subChain

public FieldAccessorChain subChain()

add

public FieldAccessorChain add(FieldAccessor fieldAccessor)

isLast

public boolean isLast(FieldAccessor fieldAccessor)

name

public String name()

Description copied from interface: FieldAccessor

Return the name of the field or property represented by this FieldAccessor.

Specified by:

name in interface FieldAccessor

Returns:

the name of the field or property as a String

get

public @Nullable Object get(Object dto)

Description copied from interface: FieldAccessor

Retrieve the value of a field or property from the provided data transfer object (DTO).

Specified by:

get in interface FieldAccessor

Parameters:

dto - the data transfer object from which to retrieve the field or property value. Must not be null and should conform to the structure expected by this FieldAccessor.

Returns:

the value of the field or property, or null if the field value is null or could not be accessed.

set

public void set(Object dto,
 @Nullable Object value)

Description copied from interface: FieldAccessor

Set the value of a field or property for the provided data transfer object (DTO).

Specified by:

set in interface FieldAccessor

Parameters:

dto - the data transfer object for which the field or property value will be set. Must not be null and should conform to the structure expected by this FieldAccessor.

value - the value to set for the field or property. May be null if the field or property allows null values.

type

public Class<?> type()

Description copied from interface: FieldAccessor

Returns the declared type for the field represented by this FieldAccessor.

Specified by:

type in interface FieldAccessor

Returns:

the field type

genericTypes

public Class<?>[] genericTypes()

Description copied from interface: FieldAccessor

Returns an array of Class objects representing the generic types associated with the field or property represented by this FieldAccessor.

Specified by:

genericTypes in interface FieldAccessor

Returns:

an array of Class objects that represent the generic types of the field or property, or an empty array if the field or property does not use generics.

dtoClass

public Class<?> dtoClass()

Description copied from interface: FieldAccessor

Retrieves the parent Class of the DTO containing the field targeted by this FieldAccessor.

Specified by:

dtoClass in interface FieldAccessor

Returns:

The parent DTO type

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object