Module litebridge.tracking
Package org.litebridgedb.tracking

Class DirectFieldAccessor

java.lang.Object
org.litebridgedb.tracking.DirectFieldAccessor
All Implemented Interfaces:
FieldAccessor
public final class DirectFieldAccessor extends Object implements FieldAccessor
Direct field access FieldAccessor implementation using Java 9's VarHandle.

Provides functionality for accessing and manipulating fields of a data transfer object (DTO) directly using Java Reflection.

This class enables retrieving field names, types, generic types, and the declaring class. It also supports getting and setting field values within a given DTO instance.

  • Constructor Summary

    Constructors
    Constructor
    Description
    DirectFieldAccessor(Field field, MethodHandles.Lookup lookup)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    Class<?>
    dtoClass()
    Retrieves the parent Class of the DTO containing the field targeted by this FieldAccessor.
    boolean
    equals(Object o)
     
    Class<?>[]
    genericTypes()
    Returns an array of Class objects representing the generic types associated with the field or property represented by this FieldAccessor.
    Object
    get(Object dto)
    Retrieve the value of a field or property from the provided data transfer object (DTO).
    int
    hashCode()
     
    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).
    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

  • Method Details

    • 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 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