Class ImmutableRangeSet<C extends Comparable>

java.lang.Object
com.google.common.collect.ImmutableRangeSet<C>
All Implemented Interfaces:
RangeSet<C>, Serializable
@GwtIncompatible public final class ImmutableRangeSet<C extends Comparable> extends Object implements Serializable
A RangeSet whose contents will never change, with many other important properties detailed at ImmutableCollection.
Since:
14.0
Author:
Louis Wasserman
See Also:

  • Method Details

    • toImmutableRangeSet

      public static <E extends Comparable<? super E>> Collector<Range<E>, ?, ImmutableRangeSet<E>> toImmutableRangeSet()
      Returns a Collector that accumulates the input elements into a new ImmutableRangeSet. As in ImmutableRangeSet.Builder, overlapping ranges are not permitted and adjacent ranges will be merged.
      Since:
      23.1

    • of

      public static <C extends Comparable> ImmutableRangeSet<C> of()
      Returns an empty immutable range set.

      Performance note: the instance returned is a singleton.

    • of

      public static <C extends Comparable> ImmutableRangeSet<C> of(Range<C> range)
      Returns an immutable range set containing the specified single range. If range.isEmpty(), this is equivalent to of().

    • copyOf

      public static <C extends Comparable> ImmutableRangeSet<C> copyOf(RangeSet<C> rangeSet)
      Returns an immutable copy of the specified RangeSet.

    • copyOf

      public static <C extends Comparable<?>> ImmutableRangeSet<C> copyOf(Iterable<Range<C>> ranges)
      Returns an ImmutableRangeSet containing each of the specified disjoint ranges. Overlapping ranges and empty ranges are forbidden, though adjacent ranges are permitted and will be merged.
      Throws:
      IllegalArgumentException - if any ranges overlap or are empty
      Since:
      21.0

    • unionOf

      public static <C extends Comparable<?>> ImmutableRangeSet<C> unionOf(Iterable<Range<C>> ranges)
      Returns an ImmutableRangeSet representing the union of the specified ranges.

      This is the smallest RangeSet which encloses each of the specified ranges. Duplicate or connected ranges are permitted, and will be coalesced in the result.

      Since:
      21.0

    • intersects

      public boolean intersects(Range<C> otherRange)
      Description copied from interface: RangeSet
      Returns true if there exists a non-empty range enclosed by both a member range in this range set and the specified range. This is equivalent to calling subRangeSet(otherRange) and testing whether the resulting range set is non-empty.
      Specified by:
      intersects in interface RangeSet<C extends Comparable>

    • encloses

      public boolean encloses(Range<C> otherRange)
      Description copied from interface: RangeSet
      Returns true if there exists a member range in this range set which encloses the specified range.
      Specified by:
      encloses in interface RangeSet<C extends Comparable>

    • rangeContaining

      public @Nullable Range<C> rangeContaining(C value)
      Description copied from interface: RangeSet
      Returns the unique range from this range set that contains value, or null if this range set does not contain value.
      Specified by:
      rangeContaining in interface RangeSet<C extends Comparable>

    • span

      public Range<C> span()
      Description copied from interface: RangeSet
      Returns the minimal range which encloses all ranges in this range set.
      Specified by:
      span in interface RangeSet<C extends Comparable>

    • isEmpty

      public boolean isEmpty()
      Description copied from interface: RangeSet
      Returns true if this range set contains no ranges.
      Specified by:
      isEmpty in interface RangeSet<C extends Comparable>

    • add

      @Deprecated public void add(Range<C> range)
      Deprecated.
      Unsupported operation.
      Guaranteed to throw an exception and leave the RangeSet unmodified.
      Specified by:
      add in interface RangeSet<C extends Comparable>
      Throws:
      UnsupportedOperationException - always

    • addAll

      @Deprecated public void addAll(RangeSet<C> other)
      Deprecated.
      Unsupported operation.
      Guaranteed to throw an exception and leave the RangeSet unmodified.
      Specified by:
      addAll in interface RangeSet<C extends Comparable>
      Throws:
      UnsupportedOperationException - always

    • addAll

      @Deprecated public void addAll(Iterable<Range<C>> other)
      Deprecated.
      Unsupported operation.
      Guaranteed to throw an exception and leave the RangeSet unmodified.
      Specified by:
      addAll in interface RangeSet<C extends Comparable>
      Throws:
      UnsupportedOperationException - always

    • remove

      @Deprecated public void remove(Range<C> range)
      Deprecated.
      Unsupported operation.
      Guaranteed to throw an exception and leave the RangeSet unmodified.
      Specified by:
      remove in interface RangeSet<C extends Comparable>
      Throws:
      UnsupportedOperationException - always

    • removeAll

      @Deprecated public void removeAll(RangeSet<C> other)
      Deprecated.
      Unsupported operation.
      Guaranteed to throw an exception and leave the RangeSet unmodified.
      Specified by:
      removeAll in interface RangeSet<C extends Comparable>
      Throws:
      UnsupportedOperationException - always

    • removeAll

      @Deprecated public void removeAll(Iterable<Range<C>> other)
      Deprecated.
      Unsupported operation.
      Guaranteed to throw an exception and leave the RangeSet unmodified.
      Specified by:
      removeAll in interface RangeSet<C extends Comparable>
      Throws:
      UnsupportedOperationException - always

    • asRanges

      public ImmutableSet<Range<C>> asRanges()
      Description copied from interface: RangeSet
      Returns a view of the disconnected ranges that make up this range set. The returned set may be empty. The iterators returned by its Iterable.iterator() method return the ranges in increasing order of lower bound (equivalently, of upper bound).
      Specified by:
      asRanges in interface RangeSet<C extends Comparable>

    • asDescendingSetOfRanges

      public ImmutableSet<Range<C>> asDescendingSetOfRanges()
      Description copied from interface: RangeSet
      Returns a descending view of the disconnected ranges that make up this range set. The returned set may be empty. The iterators returned by its Iterable.iterator() method return the ranges in decreasing order of lower bound (equivalently, of upper bound).
      Specified by:
      asDescendingSetOfRanges in interface RangeSet<C extends Comparable>

    • complement

      public ImmutableRangeSet<C> complement()
      Description copied from interface: RangeSet
      Returns a view of the complement of this RangeSet.

      The returned view supports the RangeSet.add(Range) operation if this RangeSet supports RangeSet.remove(Range), and vice versa.

      Specified by:
      complement in interface RangeSet<C extends Comparable>

    • union

      public ImmutableRangeSet<C> union(RangeSet<C> other)
      Returns a new range set consisting of the union of this range set and other.

      This is essentially the same as TreeRangeSet.create(this).addAll(other) except it returns an ImmutableRangeSet.

      Since:
      21.0

    • intersection

      public ImmutableRangeSet<C> intersection(RangeSet<C> other)
      Returns a new range set consisting of the intersection of this range set and other.

      This is essentially the same as TreeRangeSet.create(this).removeAll(other.complement()) except it returns an ImmutableRangeSet.

      Since:
      21.0

    • difference

      public ImmutableRangeSet<C> difference(RangeSet<C> other)
      Returns a new range set consisting of the difference of this range set and other.

      This is essentially the same as TreeRangeSet.create(this).removeAll(other) except it returns an ImmutableRangeSet.

      Since:
      21.0

    • subRangeSet

      public ImmutableRangeSet<C> subRangeSet(Range<C> range)
      Returns a view of the intersection of this range set with the given range.
      Specified by:
      subRangeSet in interface RangeSet<C extends Comparable>

    • asSet

      public ImmutableSortedSet<C> asSet(DiscreteDomain<C> domain)
      Returns an ImmutableSortedSet containing the same values in the given domain contained by this range set.

      Note: a.asSet(d).equals(b.asSet(d)) does not imply a.equals(b)! For example, a and b could be [2..4] and (1..5), or the empty ranges [3..3) and [4..4).

      Warning: Be extremely careful what you do with the asSet view of a large range set (such as ImmutableRangeSet.of(Range.greaterThan(0))). Certain operations on such a set can be performed efficiently, but others (such as Set.hashCode() or Collections.frequency(Collection, Object)) can cause major performance problems.

      The returned set's Object.toString() method returns a shorthand form of the set's contents, such as "[1..100]"}.

      Throws:
      IllegalArgumentException - if neither this range nor the domain has a lower bound, or if neither has an upper bound

    • builder

      public static <C extends Comparable<?>> ImmutableRangeSet.Builder<C> builder()
      Returns a new builder for an immutable range set.

    • contains

      public boolean contains(C value)
      Description copied from interface: RangeSet
      Determines whether any of this range set's member ranges contains value.
      Specified by:
      contains in interface RangeSet<C extends Comparable>

    • clear

      public void clear()
      Description copied from interface: RangeSet
      Removes all ranges from this RangeSet (optional operation). After this operation, this.contains(c) will return false for all c.

      This is equivalent to remove(Range.all()).

      Specified by:
      clear in interface RangeSet<C extends Comparable>

    • enclosesAll

      public boolean enclosesAll(RangeSet<C> other)
      Description copied from interface: RangeSet
      Returns true if for each member range in other there exists a member range in this range set which encloses it. It follows that this.contains(value) whenever other.contains(value). Returns true if other is empty.

      This is equivalent to checking if this range set RangeSet.encloses(Range) each of the ranges in other.

      Specified by:
      enclosesAll in interface RangeSet<C extends Comparable>

    • equals

      public boolean equals(@Nullable Object obj)
      Description copied from interface: RangeSet
      Returns true if obj is another RangeSet that contains the same ranges according to Range.equals(Object).
      Specified by:
      equals in interface RangeSet<C extends Comparable>
      Overrides:
      equals in class Object

    • hashCode

      public final int hashCode()
      Description copied from interface: RangeSet
      Returns asRanges().hashCode().
      Specified by:
      hashCode in interface RangeSet<C extends Comparable>
      Overrides:
      hashCode in class Object

    • toString

      public final String toString()
      Description copied from interface: RangeSet
      Returns a readable string representation of this range set. For example, if this RangeSet consisted of Range.closed(1, 3) and Range.greaterThan(4), this might return " [1..3](4..+∞)"}.
      Specified by:
      toString in interface RangeSet<C extends Comparable>
      Overrides:
      toString in class Object