Package de.elo.utils.webapp.status

Class StatusData.DataList<T>

java.lang.Object
de.elo.utils.webapp.status.StatusData.DataList<T>
Type Parameters:
T - Info, Action or Property
All Implemented Interfaces:
java.lang.Iterable<T>
Direct Known Subclasses:
StatusData.Actions, StatusData.Infos, StatusData.Properties
Enclosing class:
StatusData
public static class StatusData.DataList<T>
extends java.lang.Object
implements java.lang.Iterable<T>
This class defines a collection that can be constrained to a maximum number of items. If the maximum number of items is exceeded, the oldes item in the list is removed.

  • Field Summary

    Fields 
    Modifier and Type Field Description
    protected java.util.List<T> list
    Internally used list
    protected int maxSize
    Maximum number of Elements

  • Constructor Summary

    Constructors 
    Constructor Description
    DataList​(int maxSize)
    Constructor
    DataList​(java.util.List<T> list)
    Constructor.

  • Method Summary

    Modifier and Type Method Description
    StatusData.DataList<T> add​(T t)
    Add an item to the list.
    void clear()
    Deletes all items in the list.
    java.util.Iterator<T> iterator()
    Retuns an iterator on the list.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    Methods inherited from interface java.lang.Iterable

    forEach, spliterator

  • Field Details

    • maxSize

      protected int maxSize
      Maximum number of Elements

    • list

      protected java.util.List<T> list
      Internally used list

  • Constructor Details

    • DataList

      public DataList​(int maxSize)
      Constructor
      Parameters:
      maxSize - Maximum number of items.

    • DataList

      public DataList​(java.util.List<T> list)
      Constructor.
      Parameters:
      list - This object is used as the internal list of items.

  • Method Details

    • add

      public StatusData.DataList<T> add​(T t)
      Add an item to the list.
      Parameters:
      t - item

    • iterator

      public java.util.Iterator<T> iterator()
      Retuns an iterator on the list. To avoid synchronisation problems, the returned iterator belongs to a copy of the list.
      Specified by:
      iterator in interface java.lang.Iterable<T>
      Returns:
      iterator

    • clear

      public void clear()
      Deletes all items in the list.