Package it.unimi.dsi.fastutil.ints

Class IntLists.UnmodifiableList

java.lang.Object
it.unimi.dsi.fastutil.ints.IntLists.UnmodifiableList
All Implemented Interfaces:
IntCollection, IntIterable, IntList, Serializable, Comparable<List<? extends Integer>>, Iterable<Integer>, Collection<Integer>, List<Integer>, SequencedCollection<Integer>
Direct Known Subclasses:
IntLists.UnmodifiableRandomAccessList
Enclosing class:
IntLists
public static class IntLists.UnmodifiableList extends Object implements IntList, Serializable
An unmodifiable wrapper class for lists.
See Also:

  • Method Details

    • getInt

      public int getInt(int i)
      Description copied from interface: IntList
      Returns the element at the specified position in this list.
      Specified by:
      getInt in interface IntList
      See Also:

    • set

      public int set(int i, int k)
      Description copied from interface: IntList
      Replaces the element at the specified position in this list with the specified element (optional operation).
      Specified by:
      set in interface IntList
      See Also:

    • add

      public void add(int i, int k)
      Description copied from interface: IntList
      Inserts the specified element at the specified position in this list (optional operation).
      Specified by:
      add in interface IntList
      See Also:

    • removeInt

      public int removeInt(int i)
      Description copied from interface: IntList
      Removes the element at the specified position in this list (optional operation).
      Specified by:
      removeInt in interface IntList
      See Also:

    • indexOf

      public int indexOf(int k)
      Description copied from interface: IntList
      Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.
      Specified by:
      indexOf in interface IntList
      See Also:

    • lastIndexOf

      public int lastIndexOf(int k)
      Description copied from interface: IntList
      Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.
      Specified by:
      lastIndexOf in interface IntList
      See Also:

    • addAll

      public boolean addAll(int index, Collection<? extends Integer> c)
      Specified by:
      addAll in interface List<Integer>

    • replaceAll

      @Deprecated public void replaceAll(UnaryOperator<Integer> operator)
      Deprecated.
      Description copied from interface: IntList
      Specified by:
      replaceAll in interface IntList
      Specified by:
      replaceAll in interface List<Integer>

    • getElements

      public void getElements(int from, int[] a, int offset, int length)
      Description copied from interface: IntList
      Copies (hopefully quickly) elements of this type-specific list into the given array.
      Specified by:
      getElements in interface IntList
      Parameters:
      from - the start index (inclusive).
      a - the destination array.
      offset - the offset into the destination array where to store the first element copied.
      length - the number of elements to be copied.

    • removeElements

      public void removeElements(int from, int to)
      Description copied from interface: IntList
      Removes (hopefully quickly) elements of this type-specific list.
      Specified by:
      removeElements in interface IntList
      Parameters:
      from - the start index (inclusive).
      to - the end index (exclusive).

    • addElements

      public void addElements(int index, int[] a, int offset, int length)
      Description copied from interface: IntList
      Add (hopefully quickly) elements to this type-specific list.
      Specified by:
      addElements in interface IntList
      Parameters:
      index - the index at which to add elements.
      a - the array containing the elements.
      offset - the offset of the first element to add.
      length - the number of elements to add.

    • addElements

      public void addElements(int index, int[] a)
      Description copied from interface: IntList
      Add (hopefully quickly) elements to this type-specific list.
      Specified by:
      addElements in interface IntList
      Parameters:
      index - the index at which to add elements.
      a - the array containing the elements.

    • setElements

      public void setElements(int[] a)
      Description copied from interface: IntList
      Set (hopefully quickly) elements to match the array given.
      Specified by:
      setElements in interface IntList
      Parameters:
      a - the array containing the elements.

    • setElements

      public void setElements(int index, int[] a)
      Description copied from interface: IntList
      Set (hopefully quickly) elements to match the array given.
      Specified by:
      setElements in interface IntList
      Parameters:
      index - the index at which to start setting elements.
      a - the array containing the elements.

    • setElements

      public void setElements(int index, int[] a, int offset, int length)
      Description copied from interface: IntList
      Set (hopefully quickly) elements to match the array given. Sets each in this list to the corresponding elements in the array, as if by 
       ListIterator iter = listIterator(index);
 int i = 0;
 while (i < length) {
        iter.next();
        iter.set(a[offset + i++]);
 }
      However, the exact implementation may be more efficient, taking into account whether random access is faster or not, or at the discretion of subclasses, abuse internals.
      Specified by:
      setElements in interface IntList
      Parameters:
      index - the index at which to start setting elements.
      a - the array containing the elements
      offset - the offset of the first element to add.
      length - the number of elements to add.

    • size

      public void size(int size)
      Description copied from interface: IntList
      Sets the size of this list.

      If the specified size is smaller than the current size, the last elements are discarded. Otherwise, they are filled with 0/null/false.

      Specified by:
      size in interface IntList
      Parameters:
      size - the new size.

    • listIterator

      public IntListIterator listIterator()
      Description copied from interface: IntList
      Returns a type-specific list iterator on the list.
      Specified by:
      listIterator in interface IntList
      Specified by:
      listIterator in interface List<Integer>
      See Also:

    • iterator

      public IntListIterator iterator()
      Description copied from interface: IntCollection
      Returns a type-specific iterator on the elements of this collection.
      Specified by:
      iterator in interface Collection<Integer>
      Specified by:
      iterator in interface IntCollection
      Specified by:
      iterator in interface IntIterable
      Specified by:
      iterator in interface IntList
      Specified by:
      iterator in interface Iterable<Integer>
      Specified by:
      iterator in interface List<Integer>
      Returns:
      a type-specific iterator on the elements of this collection.
      See Also:

    • listIterator

      public IntListIterator listIterator(int i)
      Description copied from interface: IntList
      Returns a type-specific list iterator on the list starting at a given index.
      Specified by:
      listIterator in interface IntList
      Specified by:
      listIterator in interface List<Integer>
      See Also:

    • subList

      public IntList subList(int from, int to)
      Description copied from interface: IntList
      Returns a type-specific view of the portion of this list from the index from, inclusive, to the index to, exclusive.
      Specified by:
      subList in interface IntList
      Specified by:
      subList in interface List<Integer>
      See Also:

    • equals

      public boolean equals(Object o)
      Specified by:
      equals in interface Collection<Integer>
      Specified by:
      equals in interface List<Integer>

    • hashCode

      public int hashCode()
      Specified by:
      hashCode in interface Collection<Integer>
      Specified by:
      hashCode in interface List<Integer>

    • compareTo

      public int compareTo(List<? extends Integer> o)
      Specified by:
      compareTo in interface Comparable<List<? extends Integer>>

    • addAll

      public boolean addAll(int index, IntCollection c)
      Description copied from interface: IntList
      Inserts all of the elements in the specified type-specific collection into this type-specific list at the specified position (optional operation).
      Specified by:
      addAll in interface IntList
      See Also:

    • addAll

      public boolean addAll(IntList l)
      Description copied from interface: IntList
      Appends all of the elements in the specified type-specific list to the end of this type-specific list (optional operation).
      Specified by:
      addAll in interface IntList
      See Also:

    • addAll

      public boolean addAll(int index, IntList l)
      Description copied from interface: IntList
      Inserts all of the elements in the specified type-specific list into this type-specific list at the specified position (optional operation).
      Specified by:
      addAll in interface IntList
      See Also:

    • replaceAll

      public void replaceAll(IntUnaryOperator operator)
      Description copied from interface: IntList
      Replaces each element of this list with the result of applying the operator to that element.
      Specified by:
      replaceAll in interface IntList
      Parameters:
      operator - the operator to apply to each element.
      See Also:

    • get

      @Deprecated public Integer get(int i)
      Deprecated.
      Please use the corresponding type-specific method instead.
      Specified by:
      get in interface IntList
      Specified by:
      get in interface List<Integer>

    • add

      @Deprecated public void add(int i, Integer k)
      Deprecated.
      Please use the corresponding type-specific method instead.
      Specified by:
      add in interface IntList
      Specified by:
      add in interface List<Integer>

    • set

      @Deprecated public Integer set(int index, Integer k)
      Deprecated.
      Please use the corresponding type-specific method instead.
      Specified by:
      set in interface IntList
      Specified by:
      set in interface List<Integer>

    • remove

      @Deprecated public Integer remove(int i)
      Deprecated.
      Please use the corresponding type-specific method instead.
      Specified by:
      remove in interface IntList
      Specified by:
      remove in interface List<Integer>

    • indexOf

      @Deprecated public int indexOf(Object o)
      Deprecated.
      Please use the corresponding type-specific method instead.
      Specified by:
      indexOf in interface IntList
      Specified by:
      indexOf in interface List<Integer>

    • lastIndexOf

      @Deprecated public int lastIndexOf(Object o)
      Deprecated.
      Please use the corresponding type-specific method instead.
      Specified by:
      lastIndexOf in interface IntList
      Specified by:
      lastIndexOf in interface List<Integer>

    • sort

      public void sort(IntComparator comparator)
      Description copied from interface: IntList
      Sort a list using a type-specific comparator.

      Pass null to sort using natural ordering.

      Specified by:
      sort in interface IntList
      See Also:

    • unstableSort

      public void unstableSort(IntComparator comparator)
      Description copied from interface: IntList
      Sorts this list using a sort not assured to be stable.

      Pass null to sort using natural ordering.

      This differs from List.sort(java.util.Comparator) in that the results are not assured to be stable, but may be a bit faster.

      Unless a subclass specifies otherwise, the results of the method if the list is concurrently modified during the sort are unspecified.

      Specified by:
      unstableSort in interface IntList

    • sort

      @Deprecated public void sort(Comparator<? super Integer> comparator)
      Deprecated.
      Description copied from interface: IntList
      Specified by:
      sort in interface IntList
      Specified by:
      sort in interface List<Integer>

    • unstableSort

      @Deprecated public void unstableSort(Comparator<? super Integer> comparator)
      Deprecated.
      Description copied from interface: IntList
      Sorts this list using a sort not assured to be stable.
      Specified by:
      unstableSort in interface IntList

    • add

      public boolean add(int k)
      Description copied from interface: IntCollection
      Ensures that this collection contains the specified element (optional operation).
      Specified by:
      add in interface IntCollection
      See Also:

    • rem

      public boolean rem(int k)
      Description copied from interface: IntCollection
      Removes a single instance of the specified element from this collection, if it is present (optional operation).

      Note that this method should be called remove(), but the clash with the similarly named index-based method in the List interface forces us to use a distinguished name. For simplicity, the set interfaces reinstates remove().

      Specified by:
      rem in interface IntCollection
      See Also:

    • size

      public int size()
      Specified by:
      size in interface Collection<Integer>

    • isEmpty

      public boolean isEmpty()
      Specified by:
      isEmpty in interface Collection<Integer>

    • contains

      public boolean contains(int o)
      Description copied from interface: IntCollection
      Returns true if this collection contains the specified element.
      Specified by:
      contains in interface IntCollection
      See Also:

    • spliterator

      public IntSpliterator spliterator()
      Description copied from interface: IntCollection
      Returns a type-specific spliterator on the elements of this collection.

      See Collection.spliterator() for more documentation on the requirements of the returned spliterator.

      Specified by:
      spliterator in interface Collection<Integer>
      Specified by:
      spliterator in interface IntCollection
      Specified by:
      spliterator in interface IntIterable
      Specified by:
      spliterator in interface Iterable<Integer>
      Returns:
      a type-specific spliterator on the elements of this collection.

    • stream

      @Deprecated public Stream<Integer> stream()
      Deprecated.
      Description copied from interface: IntCollection
      Specified by:
      stream in interface Collection<Integer>
      Specified by:
      stream in interface IntCollection

    • parallelStream

      @Deprecated public Stream<Integer> parallelStream()
      Deprecated.
      Description copied from interface: IntCollection
      Specified by:
      parallelStream in interface Collection<Integer>
      Specified by:
      parallelStream in interface IntCollection

    • clear

      public void clear()
      Specified by:
      clear in interface Collection<Integer>

    • toArray

      public <T> T[] toArray(T[] a)
      Specified by:
      toArray in interface Collection<Integer>

    • toArray

      public Object[] toArray()
      Specified by:
      toArray in interface Collection<Integer>

    • forEach

      public void forEach(IntConsumer action)
      Description copied from interface: IntIterable
      Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.
      Specified by:
      forEach in interface IntIterable
      Parameters:
      action - the action to be performed for each element.
      See Also:

    • containsAll

      public boolean containsAll(Collection<?> c)
      Specified by:
      containsAll in interface Collection<Integer>

    • addAll

      public boolean addAll(Collection<? extends Integer> c)
      Specified by:
      addAll in interface Collection<Integer>

    • removeAll

      public boolean removeAll(Collection<?> c)
      Specified by:
      removeAll in interface Collection<Integer>

    • retainAll

      public boolean retainAll(Collection<?> c)
      Specified by:
      retainAll in interface Collection<Integer>

    • removeIf

      public boolean removeIf(IntPredicate filter)
      Description copied from interface: IntCollection
      Remove from this collection all elements which satisfy the given predicate.
      Specified by:
      removeIf in interface IntCollection
      Parameters:
      filter - a predicate which returns true for elements to be removed.
      Returns:
      true if any elements were removed.
      See Also:

    • add

      @Deprecated public boolean add(Integer k)
      Deprecated.
      Description copied from interface: IntCollection
      Specified by:
      add in interface Collection<Integer>
      Specified by:
      add in interface IntCollection

    • contains

      @Deprecated public boolean contains(Object k)
      Deprecated.
      Description copied from interface: IntCollection
      Specified by:
      contains in interface Collection<Integer>
      Specified by:
      contains in interface IntCollection

    • remove

      @Deprecated public boolean remove(Object k)
      Deprecated.
      Description copied from interface: IntCollection
      Specified by:
      remove in interface Collection<Integer>
      Specified by:
      remove in interface IntCollection

    • toIntArray

      public int[] toIntArray()
      Description copied from interface: IntCollection
      Returns a primitive type array containing the items of this collection.
      Specified by:
      toIntArray in interface IntCollection
      Returns:
      a primitive type array containing the items of this collection.
      See Also:

    • toIntArray

      @Deprecated public int[] toIntArray(int[] a)
      Deprecated.
      Description copied from interface: IntCollection
      Returns a primitive type array containing the items of this collection.

      Note that, contrarily to Collection.toArray(Object[]), this methods just writes all elements of this collection: no special value will be added after the last one.

      Specified by:
      toIntArray in interface IntCollection
      Parameters:
      a - if this array is big enough, it will be used to store this collection.
      Returns:
      a primitive type array containing the items of this collection.
      See Also:

    • toArray

      public int[] toArray(int[] a)
      Description copied from interface: IntCollection
      Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array.

      Note that, contrarily to Collection.toArray(Object[]), this methods just writes all elements of this collection: no special value will be added after the last one.

      Specified by:
      toArray in interface IntCollection
      Parameters:
      a - if this array is big enough, it will be used to store this collection.
      Returns:
      a primitive type array containing the items of this collection.
      See Also:

    • containsAll

      public boolean containsAll(IntCollection c)
      Description copied from interface: IntCollection
      Checks whether this collection contains all elements from the given type-specific collection.
      Specified by:
      containsAll in interface IntCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection contains all elements of the argument.
      See Also:

    • addAll

      public boolean addAll(IntCollection c)
      Description copied from interface: IntCollection
      Adds all elements of the given type-specific collection to this collection.
      Specified by:
      addAll in interface IntCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection changed as a result of the call.
      See Also:

    • removeAll

      public boolean removeAll(IntCollection c)
      Description copied from interface: IntCollection
      Remove from this collection all elements in the given type-specific collection.
      Specified by:
      removeAll in interface IntCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection changed as a result of the call.
      See Also:

    • retainAll

      public boolean retainAll(IntCollection c)
      Description copied from interface: IntCollection
      Retains in this collection only elements from the given type-specific collection.
      Specified by:
      retainAll in interface IntCollection
      Parameters:
      c - a type-specific collection.
      Returns:
      true if this collection changed as a result of the call.
      See Also:

    • intIterator

      public IntIterator intIterator()
      Description copied from interface: IntCollection
      Returns a primitive iterator on the elements of this collection.

      This method is identical to IntCollection.iterator(), as the type-specific iterator is already compatible with the JDK's primitive iterators. It only exists for compatibility with the other primitive types' Collections that have use for widened iterators.

      Specified by:
      intIterator in interface IntCollection
      Specified by:
      intIterator in interface IntIterable
      Returns:
      a primitive iterator on the elements of this collection.

    • intSpliterator

      public IntSpliterator intSpliterator()
      Description copied from interface: IntCollection
      Returns a primitive spliterator on the elements of this collection.

      This method is identical to IntCollection.spliterator(), as the type-specific spliterator is already compatible with the JDK's primitive spliterators. It only exists for compatibility with the other primitive types' Collections that have use for widened spliterators.

      Specified by:
      intSpliterator in interface IntCollection
      Specified by:
      intSpliterator in interface IntIterable
      Returns:
      a primitive spliterator on the elements of this collection.

    • intStream

      public IntStream intStream()
      Description copied from interface: IntCollection
      Return a primitive stream over the elements, performing widening casts if needed.
      Specified by:
      intStream in interface IntCollection
      Returns:
      a primitive stream over the elements.
      See Also:

    • intParallelStream

      public IntStream intParallelStream()
      Description copied from interface: IntCollection
      Return a parallel primitive stream over the elements, performing widening casts if needed.
      Specified by:
      intParallelStream in interface IntCollection
      Returns:
      a parallel primitive stream over the elements.
      See Also:

    • toString

      public String toString()
      Overrides:
      toString in class Object