Module java.desktop

Class AccessibleRelationSet



  • public class AccessibleRelationSet
    extends Object
    Class AccessibleRelationSet determines a component's relation set. The relation set of a component is a set of AccessibleRelation objects that describe the component's relationships with other components.
    Since:
    1.3
    See Also:
    AccessibleRelation
    • Constructor Detail

      • AccessibleRelationSet

        public AccessibleRelationSet​()
        Creates a new empty relation set.
      • AccessibleRelationSet

        public AccessibleRelationSet​(AccessibleRelation[] relations)
        Creates a new relation with the initial set of relations contained in the array of relations passed in. Duplicate entries are ignored.
        Parameters:
        relations - an array of AccessibleRelation describing the relation set
    • Method Detail

      • add

        public boolean add​(AccessibleRelation relation)
        Adds a new relation to the current relation set. If the relation is already in the relation set, the target(s) of the specified relation is merged with the target(s) of the existing relation. Otherwise, the new relation is added to the relation set.
        Parameters:
        relation - the relation to add to the relation set
        Returns:
        true if relation is added to the relation set; false if the relation set is unchanged
      • addAll

        public void addAll​(AccessibleRelation[] relations)
        Adds all of the relations to the existing relation set. Duplicate entries are ignored.
        Parameters:
        relations - AccessibleRelation array describing the relation set
      • remove

        public boolean remove​(AccessibleRelation relation)
        Removes a relation from the current relation set. If the relation is not in the set, the relation set will be unchanged and the return value will be false. If the relation is in the relation set, it will be removed from the set and the return value will be true.
        Parameters:
        relation - the relation to remove from the relation set
        Returns:
        true if the relation is in the relation set; false if the relation set is unchanged
      • clear

        public void clear​()
        Removes all the relations from the current relation set.
      • size

        public int size​()
        Returns the number of relations in the relation set.
        Returns:
        the number of relations in the relation set
      • contains

        public boolean contains​(String key)
        Returns whether the relation set contains a relation that matches the specified key.
        Parameters:
        key - the AccessibleRelation key
        Returns:
        true if the relation is in the relation set; otherwise false
      • get

        public AccessibleRelation get​(String key)
        Returns the relation that matches the specified key.
        Parameters:
        key - the AccessibleRelation key
        Returns:
        the relation, if one exists, that matches the specified key. Otherwise, null is returned.
      • toArray

        public AccessibleRelation[] toArray​()
        Returns the current relation set as an array of AccessibleRelation.
        Returns:
        AccessibleRelation array contacting the current relation