Interface IndexedModel<T>

Type Parameters:
T - the object that this model contains.
All Known Implementing Classes:
ListModel
public interface IndexedModel<T>
A data model for use with objects that contain lists of predefined objects stored in a list.
Author:
Matthew Tropiano

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    getIndexByValue(T value)
    Returns a specific index number of a value in this model.
    T
    getValueByIndex(int index)
    Returns the value at a specific index number in this model.
    default boolean
    isEmpty()
     
    int
    size()
     

  • Method Details

    • getValueByIndex

      T getValueByIndex(int index)
      Returns the value at a specific index number in this model. If this index number is invalid, this returns null.
      Parameters:
      index - the desired index.
      Returns:
      the corresponding value, or null if not found.

    • getIndexByValue

      int getIndexByValue(T value)
      Returns a specific index number of a value in this model. If the value is not in this model, this returns -1.
      Parameters:
      value - the desired value.
      Returns:
      the corresponding index, or -1 if not found.

    • size

      int size()
      Returns:
      the amount of values in this model.

    • isEmpty

      default boolean isEmpty()
      Returns:
      true if this contains no values, false otherwise.