INavigableSet Interface
Definition
Important
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A SortedSet extended with navigation methods reporting
closest matches for given search targets.
[Android.Runtime.Register("java/util/NavigableSet", "", "Java.Util.INavigableSetInvoker")]
[Java.Interop.JavaTypeParameters(new System.String[] { "E" })]
public interface INavigableSet : IDisposable, Java.Interop.IJavaPeerable, Java.Util.ISortedSet[<Android.Runtime.Register("java/util/NavigableSet", "", "Java.Util.INavigableSetInvoker")>]
[<Java.Interop.JavaTypeParameters(new System.String[] { "E" })>]
type INavigableSet = interface
interface ISortedSet
interface ISet
interface ICollection
interface IIterable
interface IJavaObject
interface IDisposable
interface IJavaPeerable- Derived
- Attributes
- Implements
Remarks
A SortedSet extended with navigation methods reporting closest matches for given search targets. Methods #lower, #floor, #ceiling, and #higher return elements respectively less than, less than or equal, greater than or equal, and greater than a given element, returning null if there is no such element.
A NavigableSet may be accessed and traversed in either ascending or descending order. The #descendingSet method returns a view of the set with the senses of all relational and directional methods inverted. The performance of ascending operations and views is likely to be faster than that of descending ones. This interface additionally defines methods #pollFirst and #pollLast that return and remove the lowest and highest element, if one exists, else returning null. Methods #subSet(Object, boolean, Object, boolean) subSet(E, boolean, E, boolean), #headSet(Object, boolean) headSet(E, boolean), and #tailSet(Object, boolean) tailSet(E, boolean) differ from the like-named SortedSet methods in accepting additional arguments describing whether lower and upper bounds are inclusive versus exclusive. Subsets of any NavigableSet must implement the NavigableSet interface.
The return values of navigation methods may be ambiguous in implementations that permit null elements. However, even in this case the result can be disambiguated by checking contains(null). To avoid such issues, implementations of this interface are encouraged to <em>not</em> permit insertion of null elements. (Note that sorted sets of Comparable elements intrinsically do not permit null.)
Methods #subSet(Object, Object) subSet(E, E), #headSet(Object) headSet(E), and #tailSet(Object) tailSet(E) are specified to return SortedSet to allow existing implementations of SortedSet to be compatibly retrofitted to implement NavigableSet, but extensions and implementations of this interface are encouraged to override these methods to return NavigableSet.
Added in 1.6.
Java documentation for java.util.NavigableSet.
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.
Properties
| Handle |
Gets the JNI value of the underlying Android object. (Inherited from IJavaObject) |
| IsEmpty |
Returns true if this set has no elements. (Inherited from ISet) |
| JniIdentityHashCode |
Returns the value of |
| JniManagedPeerState |
State of the managed peer. (Inherited from IJavaPeerable) |
| JniPeerMembers |
Member access and invocation support. (Inherited from IJavaPeerable) |
| PeerReference |
Returns a JniObjectReference of the wrapped Java object instance. (Inherited from IJavaPeerable) |
Methods
| Add(Object) |
Adds the specified element to this set if it is not already present (optional operation). (Inherited from ISet) |
| AddAll(ICollection) |
Adds all of the elements in the specified collection to this set if they're not already present (optional operation). (Inherited from ISet) |
| Ceiling(Object) |
Returns the least element in this set greater than or equal to
the given element, or |
| Clear() |
Removes all of the elements from this set (optional operation). (Inherited from ISet) |
| Comparator() |
Returns the comparator used to order the elements in this set,
or |
| Contains(Object) |
Returns |
| ContainsAll(ICollection) |
Returns |
| DescendingIterator() |
Returns an iterator over the elements in this set, in descending order. |
| DescendingSet() |
Returns a reverse order view of the elements contained in this set. |
| Disposed() |
Called when the instance has been disposed. (Inherited from IJavaPeerable) |
| DisposeUnlessReferenced() |
If there are no outstanding references to this instance, then
calls |
| Equals(Object) |
Compares the specified object with this set for equality. (Inherited from ISet) |
| Finalized() |
Called when the instance has been finalized. (Inherited from IJavaPeerable) |
| First() |
Returns the first (lowest) element currently in this set. (Inherited from ISortedSet) |
| Floor(Object) |
Returns the greatest element in this set less than or equal to
the given element, or |
| ForEach(IConsumer) |
Performs the given action for each element of the |
| GetHashCode() |
Returns the hash code value for this set. (Inherited from ISet) |
| HeadSet(Object, Boolean) |
Returns a view of the portion of this set whose elements are less than
(or equal to, if |
| HeadSet(Object) |
To be added |
| Higher(Object) |
Returns the least element in this set strictly greater than the
given element, or |
| Iterator() |
Returns an iterator over the elements in this set, in ascending order. |
| Last() |
Returns the last (highest) element currently in this set. (Inherited from ISortedSet) |
| Lower(Object) |
Returns the greatest element in this set strictly less than the
given element, or |
| PollFirst() |
Retrieves and removes the first (lowest) element,
or returns |
| PollLast() |
Retrieves and removes the last (highest) element,
or returns |
| Remove(Object) |
Removes the specified element from this set if it is present (optional operation). (Inherited from ISet) |
| RemoveAll(ICollection) |
Removes from this set all of its elements that are contained in the specified collection (optional operation). (Inherited from ISet) |
| RemoveIf(IPredicate) |
Removes all of the elements of this collection that satisfy the given predicate. (Inherited from ICollection) |
| RetainAll(ICollection) |
Retains only the elements in this set that are contained in the specified collection (optional operation). (Inherited from ISet) |
| SetJniIdentityHashCode(Int32) |
Set the value returned by |
| SetJniManagedPeerState(JniManagedPeerStates) | (Inherited from IJavaPeerable) |
| SetPeerReference(JniObjectReference) |
Set the value returned by |
| Size() |
Returns the number of elements in this set (its cardinality). (Inherited from ISet) |
| Spliterator() |
Creates a |
| SubSet(Object, Boolean, Object, Boolean) |
Returns a view of the portion of this set whose elements range from
|
| SubSet(Object, Object) |
To be added |
| TailSet(Object, Boolean) |
Returns a view of the portion of this set whose elements are greater
than (or equal to, if |
| TailSet(Object) |
To be added |
| ToArray() |
Returns an array containing all of the elements in this set. (Inherited from ISet) |
| ToArray(IIntFunction) |
Returns an array containing all of the elements in this collection,
using the provided |
| ToArray(Object[]) |
Returns an array containing all of the elements in this set; the runtime type of the returned array is that of the specified array. (Inherited from ISet) |
| UnregisterFromRuntime() |
Unregister this instance so that the runtime will not return it from future Java.Interop.JniRuntime+JniValueManager.PeekValue invocations. (Inherited from IJavaPeerable) |
Explicit Interface Implementations
| IIterable.Spliterator() |
Creates a |
Extension Methods
| JavaCast<TResult>(IJavaObject) |
Performs an Android runtime-checked type conversion. |
| JavaCast<TResult>(IJavaObject) | |
| GetJniTypeName(IJavaPeerable) | |
| ToEnumerable(IIterable) | |
| ToEnumerable<T>(IIterable) | |