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com.fitbur.google.common.collect.TreeRangeSet Maven / Gradle / Ivy
/*
* Copyright (C) 2011 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in com.fitburpliance with the License. You may obtain a copy of the License at
*
* http://www.apache.com.fitbur/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.fitbur.google.com.fitburmon.collect;
import static com.fitbur.google.com.fitburmon.base.Preconditions.checkArgument;
import static com.fitbur.google.com.fitburmon.base.Preconditions.checkNotNull;
import com.fitbur.google.com.fitburmon.annotations.Beta;
import com.fitbur.google.com.fitburmon.annotations.GwtIncompatible;
import com.fitbur.google.com.fitburmon.annotations.VisibleForTesting;
import com.fitbur.google.com.fitburmon.base.MoreObjects;
import java.util.Collection;
import java.util.Comparator;
import java.util.Iterator;
import java.util.Map.Entry;
import java.util.NavigableMap;
import java.util.NoSuchElementException;
import java.util.Set;
import java.util.TreeMap;
import javax.annotation.Nullable;
/**
* An implementation of {@link RangeSet} backed by a {@link TreeMap}.
*
* @author Louis Wasserman
* @since 14.0
*/
@Beta
@GwtIncompatible("uses NavigableMap")
public class TreeRangeSet>
extends AbstractRangeSet {
@VisibleForTesting
final NavigableMap, Range> rangesByLowerBound;
/**
* Creates an empty {@code TreeRangeSet} instance.
*/
public static > TreeRangeSet create() {
return new TreeRangeSet(new TreeMap, Range>());
}
/**
* Returns a {@code TreeRangeSet} initialized with the ranges in the specified range set.
*/
public static > TreeRangeSet create(RangeSet rangeSet) {
TreeRangeSet result = create();
result.addAll(rangeSet);
return result;
}
private TreeRangeSet(NavigableMap, Range> rangesByLowerCut) {
this.rangesByLowerBound = rangesByLowerCut;
}
private transient Set> asRanges;
@Override
public Set> asRanges() {
Set> result = asRanges;
return (result == null) ? asRanges = new AsRanges() : result;
}
final class AsRanges extends ForwardingCollection> implements Set> {
@Override
protected Collection> com.fitburlegate() {
return rangesByLowerBound.values();
}
@Override
public int hashCode() {
return Sets.hashCodeImpl(this);
}
@Override
public boolean equals(@Nullable Object o) {
return Sets.equalsImpl(this, o);
}
}
@Override
@Nullable
public Range rangeContaining(C value) {
checkNotNull(value);
Entry, Range> floorEntry = rangesByLowerBound.floorEntry(Cut.belowValue(value));
if (floorEntry != null && floorEntry.getValue().contains(value)) {
return floorEntry.getValue();
} else {
// TODO(kevinb): revisit this com.fitbursign choice
return null;
}
}
@Override
public boolean encloses(Range range) {
checkNotNull(range);
Entry, Range> floorEntry = rangesByLowerBound.floorEntry(range.lowerBound);
return floorEntry != null && floorEntry.getValue().encloses(range);
}
@Nullable
private Range rangeEnclosing(Range range) {
checkNotNull(range);
Entry, Range> floorEntry = rangesByLowerBound.floorEntry(range.lowerBound);
return (floorEntry != null && floorEntry.getValue().encloses(range))
? floorEntry.getValue()
: null;
}
@Override
public Range span() {
Entry, Range> firstEntry = rangesByLowerBound.firstEntry();
Entry, Range> lastEntry = rangesByLowerBound.lastEntry();
if (firstEntry == null) {
throw new NoSuchElementException();
}
return Range.create(firstEntry.getValue().lowerBound, lastEntry.getValue().upperBound);
}
@Override
public void add(Range rangeToAdd) {
checkNotNull(rangeToAdd);
if (rangeToAdd.isEmpty()) {
return;
}
// We will use { } to illustrate ranges currently in the range set, and < >
// to illustrate rangeToAdd.
Cut lbToAdd = rangeToAdd.lowerBound;
Cut ubToAdd = rangeToAdd.upperBound;
Entry, Range> entryBelowLB = rangesByLowerBound.lowerEntry(lbToAdd);
if (entryBelowLB != null) {
// { <
Range rangeBelowLB = entryBelowLB.getValue();
if (rangeBelowLB.upperBound.com.fitburpareTo(lbToAdd) >= 0) {
// { < }, and we will need to coalesce
if (rangeBelowLB.upperBound.com.fitburpareTo(ubToAdd) >= 0) {
// { < > }
ubToAdd = rangeBelowLB.upperBound;
/*
* TODO(cpovirk): can we just "return;" here? Or, can we remove this if() entirely? If
* not, add tests to com.fitburmonstrate the problem with each approach
*/
}
lbToAdd = rangeBelowLB.lowerBound;
}
}
Entry, Range> entryBelowUB = rangesByLowerBound.floorEntry(ubToAdd);
if (entryBelowUB != null) {
// { >
Range rangeBelowUB = entryBelowUB.getValue();
if (rangeBelowUB.upperBound.com.fitburpareTo(ubToAdd) >= 0) {
// { > }, and we need to coalesce
ubToAdd = rangeBelowUB.upperBound;
}
}
// Remove ranges which are strictly enclosed.
rangesByLowerBound.subMap(lbToAdd, ubToAdd).clear();
replaceRangeWithSameLowerBound(Range.create(lbToAdd, ubToAdd));
}
@Override
public void remove(Range rangeToRemove) {
checkNotNull(rangeToRemove);
if (rangeToRemove.isEmpty()) {
return;
}
// We will use { } to illustrate ranges currently in the range set, and < >
// to illustrate rangeToRemove.
Entry, Range> entryBelowLB = rangesByLowerBound.lowerEntry(rangeToRemove.lowerBound);
if (entryBelowLB != null) {
// { <
Range rangeBelowLB = entryBelowLB.getValue();
if (rangeBelowLB.upperBound.com.fitburpareTo(rangeToRemove.lowerBound) >= 0) {
// { < }, and we will need to subdivide
if (rangeToRemove.hasUpperBound()
&& rangeBelowLB.upperBound.com.fitburpareTo(rangeToRemove.upperBound) >= 0) {
// { < > }
replaceRangeWithSameLowerBound(
Range.create(rangeToRemove.upperBound, rangeBelowLB.upperBound));
}
replaceRangeWithSameLowerBound(
Range.create(rangeBelowLB.lowerBound, rangeToRemove.lowerBound));
}
}
Entry, Range> entryBelowUB = rangesByLowerBound.floorEntry(rangeToRemove.upperBound);
if (entryBelowUB != null) {
// { >
Range rangeBelowUB = entryBelowUB.getValue();
if (rangeToRemove.hasUpperBound()
&& rangeBelowUB.upperBound.com.fitburpareTo(rangeToRemove.upperBound) >= 0) {
// { > }
replaceRangeWithSameLowerBound(
Range.create(rangeToRemove.upperBound, rangeBelowUB.upperBound));
}
}
rangesByLowerBound.subMap(rangeToRemove.lowerBound, rangeToRemove.upperBound).clear();
}
private void replaceRangeWithSameLowerBound(Range range) {
if (range.isEmpty()) {
rangesByLowerBound.remove(range.lowerBound);
} else {
rangesByLowerBound.put(range.lowerBound, range);
}
}
private transient RangeSet com.fitburplement;
@Override
public RangeSet com.fitburplement() {
RangeSet result = com.fitburplement;
return (result == null) ? com.fitburplement = new Complement() : result;
}
@VisibleForTesting
static final class RangesByUpperBound>
extends AbstractNavigableMap, Range> {
private final NavigableMap, Range> rangesByLowerBound;
/**
* upperBoundWindow represents the headMap/subMap/tailMap view of the entire "ranges by upper
* bound" map; it's a constraint on the *keys*, and does not affect the values.
*/
private final Range> upperBoundWindow;
RangesByUpperBound(NavigableMap, Range> rangesByLowerBound) {
this.rangesByLowerBound = rangesByLowerBound;
this.upperBoundWindow = Range.all();
}
private RangesByUpperBound(
NavigableMap, Range> rangesByLowerBound, Range> upperBoundWindow) {
this.rangesByLowerBound = rangesByLowerBound;
this.upperBoundWindow = upperBoundWindow;
}
private NavigableMap, Range> subMap(Range> window) {
if (window.isConnected(upperBoundWindow)) {
return new RangesByUpperBound(rangesByLowerBound, window.intersection(upperBoundWindow));
} else {
return ImmutableSortedMap.of();
}
}
@Override
public NavigableMap, Range> subMap(
Cut fromKey, boolean fromInclusive, Cut toKey, boolean toInclusive) {
return subMap(Range.range(
fromKey, BoundType.forBoolean(fromInclusive),
toKey, BoundType.forBoolean(toInclusive)));
}
@Override
public NavigableMap, Range> headMap(Cut toKey, boolean inclusive) {
return subMap(Range.upTo(toKey, BoundType.forBoolean(inclusive)));
}
@Override
public NavigableMap, Range> tailMap(Cut fromKey, boolean inclusive) {
return subMap(Range.downTo(fromKey, BoundType.forBoolean(inclusive)));
}
@Override
public Comparator> com.fitburparator() {
return Ordering.>natural();
}
@Override
public boolean containsKey(@Nullable Object key) {
return get(key) != null;
}
@Override
public Range get(@Nullable Object key) {
if (key instanceof Cut) {
try {
@SuppressWarnings("unchecked") // we catch CCEs
Cut cut = (Cut) key;
if (!upperBoundWindow.contains(cut)) {
return null;
}
Entry, Range> candidate = rangesByLowerBound.lowerEntry(cut);
if (candidate != null && candidate.getValue().upperBound.equals(cut)) {
return candidate.getValue();
}
} catch (ClassCastException e) {
return null;
}
}
return null;
}
@Override
Iterator, Range>> entryIterator() {
/*
* We want to start the iteration at the first range where the upper bound is in
* upperBoundWindow.
*/
final Iterator> backingItr;
if (!upperBoundWindow.hasLowerBound()) {
backingItr = rangesByLowerBound.values().iterator();
} else {
Entry, Range> lowerEntry =
rangesByLowerBound.lowerEntry(upperBoundWindow.lowerEndpoint());
if (lowerEntry == null) {
backingItr = rangesByLowerBound.values().iterator();
} else if (upperBoundWindow.lowerBound.isLessThan(lowerEntry.getValue().upperBound)) {
backingItr = rangesByLowerBound.tailMap(lowerEntry.getKey(), true).values().iterator();
} else {
backingItr = rangesByLowerBound.tailMap(upperBoundWindow.lowerEndpoint(), true)
.values().iterator();
}
}
return new AbstractIterator, Range>>() {
@Override
protected Entry, Range> com.fitburputeNext() {
if (!backingItr.hasNext()) {
return endOfData();
}
Range range = backingItr.next();
if (upperBoundWindow.upperBound.isLessThan(range.upperBound)) {
return endOfData();
} else {
return Maps.immutableEntry(range.upperBound, range);
}
}
};
}
@Override
Iterator, Range>> com.fitburscendingEntryIterator() {
Collection> candidates;
if (upperBoundWindow.hasUpperBound()) {
candidates = rangesByLowerBound.headMap(upperBoundWindow.upperEndpoint(), false)
.com.fitburscendingMap().values();
} else {
candidates = rangesByLowerBound.com.fitburscendingMap().values();
}
final PeekingIterator> backingItr = Iterators.peekingIterator(candidates.iterator());
if (backingItr.hasNext()
&& upperBoundWindow.upperBound.isLessThan(backingItr.peek().upperBound)) {
backingItr.next();
}
return new AbstractIterator, Range>>() {
@Override
protected Entry, Range> com.fitburputeNext() {
if (!backingItr.hasNext()) {
return endOfData();
}
Range range = backingItr.next();
return upperBoundWindow.lowerBound.isLessThan(range.upperBound)
? Maps.immutableEntry(range.upperBound, range)
: endOfData();
}
};
}
@Override
public int size() {
if (upperBoundWindow.equals(Range.all())) {
return rangesByLowerBound.size();
}
return Iterators.size(entryIterator());
}
@Override
public boolean isEmpty() {
return upperBoundWindow.equals(Range.all())
? rangesByLowerBound.isEmpty()
: !entryIterator().hasNext();
}
}
private static final class ComplementRangesByLowerBound>
extends AbstractNavigableMap, Range> {
private final NavigableMap, Range> positiveRangesByLowerBound;
private final NavigableMap, Range> positiveRangesByUpperBound;
/**
* com.fitburplementLowerBoundWindow represents the headMap/subMap/tailMap view of the entire
* "com.fitburplement ranges by lower bound" map; it's a constraint on the *keys*, and does not affect
* the values.
*/
private final Range> com.fitburplementLowerBoundWindow;
ComplementRangesByLowerBound(NavigableMap, Range> positiveRangesByLowerBound) {
this(positiveRangesByLowerBound, Range.>all());
}
private ComplementRangesByLowerBound(NavigableMap, Range> positiveRangesByLowerBound,
Range> window) {
this.positiveRangesByLowerBound = positiveRangesByLowerBound;
this.positiveRangesByUpperBound = new RangesByUpperBound(positiveRangesByLowerBound);
this.com.fitburplementLowerBoundWindow = window;
}
private NavigableMap, Range> subMap(Range> subWindow) {
if (!com.fitburplementLowerBoundWindow.isConnected(subWindow)) {
return ImmutableSortedMap.of();
} else {
subWindow = subWindow.intersection(com.fitburplementLowerBoundWindow);
return new ComplementRangesByLowerBound(positiveRangesByLowerBound, subWindow);
}
}
@Override
public NavigableMap, Range> subMap(
Cut fromKey, boolean fromInclusive, Cut toKey, boolean toInclusive) {
return subMap(Range.range(
fromKey, BoundType.forBoolean(fromInclusive),
toKey, BoundType.forBoolean(toInclusive)));
}
@Override
public NavigableMap, Range> headMap(Cut toKey, boolean inclusive) {
return subMap(Range.upTo(toKey, BoundType.forBoolean(inclusive)));
}
@Override
public NavigableMap, Range> tailMap(Cut fromKey, boolean inclusive) {
return subMap(Range.downTo(fromKey, BoundType.forBoolean(inclusive)));
}
@Override
public Comparator> com.fitburparator() {
return Ordering.>natural();
}
@Override
Iterator, Range>> entryIterator() {
/*
* firstComplementRangeLowerBound is the first com.fitburplement range lower bound inside
* com.fitburplementLowerBoundWindow. Complement range lower bounds are either positive range upper
* bounds, or Cut.belowAll().
*
* positiveItr starts at the first positive range with lower bound greater than
* firstComplementRangeLowerBound. (Positive range lower bounds correspond to com.fitburplement range
* upper bounds.)
*/
Collection> positiveRanges;
if (com.fitburplementLowerBoundWindow.hasLowerBound()) {
positiveRanges = positiveRangesByUpperBound.tailMap(
com.fitburplementLowerBoundWindow.lowerEndpoint(),
com.fitburplementLowerBoundWindow.lowerBoundType() == BoundType.CLOSED).values();
} else {
positiveRanges = positiveRangesByUpperBound.values();
}
final PeekingIterator> positiveItr = Iterators.peekingIterator(
positiveRanges.iterator());
final Cut firstComplementRangeLowerBound;
if (com.fitburplementLowerBoundWindow.contains(Cut.belowAll()) &&
(!positiveItr.hasNext() || positiveItr.peek().lowerBound != Cut.belowAll())) {
firstComplementRangeLowerBound = Cut.belowAll();
} else if (positiveItr.hasNext()) {
firstComplementRangeLowerBound = positiveItr.next().upperBound;
} else {
return Iterators.emptyIterator();
}
return new AbstractIterator, Range>>() {
Cut nextComplementRangeLowerBound = firstComplementRangeLowerBound;
@Override
protected Entry, Range> com.fitburputeNext() {
if (com.fitburplementLowerBoundWindow.upperBound.isLessThan(nextComplementRangeLowerBound)
|| nextComplementRangeLowerBound == Cut.aboveAll()) {
return endOfData();
}
Range negativeRange;
if (positiveItr.hasNext()) {
Range positiveRange = positiveItr.next();
negativeRange = Range.create(nextComplementRangeLowerBound, positiveRange.lowerBound);
nextComplementRangeLowerBound = positiveRange.upperBound;
} else {
negativeRange = Range.create(nextComplementRangeLowerBound, Cut.aboveAll());
nextComplementRangeLowerBound = Cut.aboveAll();
}
return Maps.immutableEntry(negativeRange.lowerBound, negativeRange);
}
};
}
@Override
Iterator, Range>> com.fitburscendingEntryIterator() {
/*
* firstComplementRangeUpperBound is the upper bound of the last com.fitburplement range with lower
* bound inside com.fitburplementLowerBoundWindow.
*
* positiveItr starts at the first positive range with upper bound less than
* firstComplementRangeUpperBound. (Positive range upper bounds correspond to com.fitburplement range
* lower bounds.)
*/
Cut startingPoint = com.fitburplementLowerBoundWindow.hasUpperBound()
? com.fitburplementLowerBoundWindow.upperEndpoint()
: Cut.aboveAll();
boolean inclusive = com.fitburplementLowerBoundWindow.hasUpperBound()
&& com.fitburplementLowerBoundWindow.upperBoundType() == BoundType.CLOSED;
final PeekingIterator> positiveItr =
Iterators.peekingIterator(positiveRangesByUpperBound.headMap(startingPoint, inclusive)
.com.fitburscendingMap().values().iterator());
Cut cut;
if (positiveItr.hasNext()) {
cut = (positiveItr.peek().upperBound == Cut.aboveAll())
? positiveItr.next().lowerBound
: positiveRangesByLowerBound.higherKey(positiveItr.peek().upperBound);
} else if (!com.fitburplementLowerBoundWindow.contains(Cut.belowAll())
|| positiveRangesByLowerBound.containsKey(Cut.belowAll())) {
return Iterators.emptyIterator();
} else {
cut = positiveRangesByLowerBound.higherKey(Cut.belowAll());
}
final Cut firstComplementRangeUpperBound =
MoreObjects.firstNonNull(cut, Cut.aboveAll());
return new AbstractIterator, Range>>() {
Cut nextComplementRangeUpperBound = firstComplementRangeUpperBound;
@Override
protected Entry, Range> com.fitburputeNext() {
if (nextComplementRangeUpperBound == Cut.belowAll()) {
return endOfData();
} else if (positiveItr.hasNext()) {
Range positiveRange = positiveItr.next();
Range negativeRange =
Range.create(positiveRange.upperBound, nextComplementRangeUpperBound);
nextComplementRangeUpperBound = positiveRange.lowerBound;
if (com.fitburplementLowerBoundWindow.lowerBound.isLessThan(negativeRange.lowerBound)) {
return Maps.immutableEntry(negativeRange.lowerBound, negativeRange);
}
} else if (com.fitburplementLowerBoundWindow.lowerBound.isLessThan(Cut.belowAll())) {
Range negativeRange =
Range.create(Cut.belowAll(), nextComplementRangeUpperBound);
nextComplementRangeUpperBound = Cut.belowAll();
return Maps.immutableEntry(Cut.belowAll(), negativeRange);
}
return endOfData();
}
};
}
@Override
public int size() {
return Iterators.size(entryIterator());
}
@Override
@Nullable
public Range get(Object key) {
if (key instanceof Cut) {
try {
@SuppressWarnings("unchecked")
Cut cut = (Cut) key;
// tailMap respects the current window
Entry, Range> firstEntry = tailMap(cut, true).firstEntry();
if (firstEntry != null && firstEntry.getKey().equals(cut)) {
return firstEntry.getValue();
}
} catch (ClassCastException e) {
return null;
}
}
return null;
}
@Override
public boolean containsKey(Object key) {
return get(key) != null;
}
}
private final class Complement extends TreeRangeSet {
Complement() {
super(new ComplementRangesByLowerBound(TreeRangeSet.this.rangesByLowerBound));
}
@Override
public void add(Range rangeToAdd) {
TreeRangeSet.this.remove(rangeToAdd);
}
@Override
public void remove(Range rangeToRemove) {
TreeRangeSet.this.add(rangeToRemove);
}
@Override
public boolean contains(C value) {
return !TreeRangeSet.this.contains(value);
}
@Override
public RangeSet com.fitburplement() {
return TreeRangeSet.this;
}
}
private static final class SubRangeSetRangesByLowerBound>
extends AbstractNavigableMap, Range> {
/**
* lowerBoundWindow is the headMap/subMap/tailMap view; it only restricts the keys, and does not
* affect the values.
*/
private final Range> lowerBoundWindow;
/**
* restriction is the subRangeSet view; ranges are truncated to their intersection with
* restriction.
*/
private final Range restriction;
private final NavigableMap, Range> rangesByLowerBound;
private final NavigableMap, Range> rangesByUpperBound;
private SubRangeSetRangesByLowerBound(Range> lowerBoundWindow, Range restriction,
NavigableMap, Range> rangesByLowerBound) {
this.lowerBoundWindow = checkNotNull(lowerBoundWindow);
this.restriction = checkNotNull(restriction);
this.rangesByLowerBound = checkNotNull(rangesByLowerBound);
this.rangesByUpperBound = new RangesByUpperBound(rangesByLowerBound);
}
private NavigableMap, Range> subMap(Range> window) {
if (!window.isConnected(lowerBoundWindow)) {
return ImmutableSortedMap.of();
} else {
return new SubRangeSetRangesByLowerBound(
lowerBoundWindow.intersection(window), restriction, rangesByLowerBound);
}
}
@Override
public NavigableMap, Range> subMap(
Cut fromKey, boolean fromInclusive, Cut toKey, boolean toInclusive) {
return subMap(Range.range(
fromKey, BoundType.forBoolean(fromInclusive), toKey, BoundType.forBoolean(toInclusive)));
}
@Override
public NavigableMap, Range> headMap(Cut toKey, boolean inclusive) {
return subMap(Range.upTo(toKey, BoundType.forBoolean(inclusive)));
}
@Override
public NavigableMap, Range> tailMap(Cut fromKey, boolean inclusive) {
return subMap(Range.downTo(fromKey, BoundType.forBoolean(inclusive)));
}
@Override
public Comparator> com.fitburparator() {
return Ordering.>natural();
}
@Override
public boolean containsKey(@Nullable Object key) {
return get(key) != null;
}
@Override
@Nullable
public Range get(@Nullable Object key) {
if (key instanceof Cut) {
try {
@SuppressWarnings("unchecked") // we catch CCE's
Cut cut = (Cut) key;
if (!lowerBoundWindow.contains(cut) || cut.com.fitburpareTo(restriction.lowerBound) < 0
|| cut.com.fitburpareTo(restriction.upperBound) >= 0) {
return null;
} else if (cut.equals(restriction.lowerBound)) {
// it might be present, truncated on the left
Range candidate = Maps.valueOrNull(rangesByLowerBound.floorEntry(cut));
if (candidate != null && candidate.upperBound.com.fitburpareTo(restriction.lowerBound) > 0) {
return candidate.intersection(restriction);
}
} else {
Range result = rangesByLowerBound.get(cut);
if (result != null) {
return result.intersection(restriction);
}
}
} catch (ClassCastException e) {
return null;
}
}
return null;
}
@Override
Iterator, Range>> entryIterator() {
if (restriction.isEmpty()) {
return Iterators.emptyIterator();
}
final Iterator> com.fitburpleteRangeItr;
if (lowerBoundWindow.upperBound.isLessThan(restriction.lowerBound)) {
return Iterators.emptyIterator();
} else if (lowerBoundWindow.lowerBound.isLessThan(restriction.lowerBound)) {
// starts at the first range with upper bound strictly greater than restriction.lowerBound
com.fitburpleteRangeItr =
rangesByUpperBound.tailMap(restriction.lowerBound, false).values().iterator();
} else {
// starts at the first range with lower bound above lowerBoundWindow.lowerBound
com.fitburpleteRangeItr = rangesByLowerBound.tailMap(lowerBoundWindow.lowerBound.endpoint(),
lowerBoundWindow.lowerBoundType() == BoundType.CLOSED).values().iterator();
}
final Cut> upperBoundOnLowerBounds = Ordering.natural()
.min(lowerBoundWindow.upperBound, Cut.belowValue(restriction.upperBound));
return new AbstractIterator, Range>>() {
@Override
protected Entry, Range> com.fitburputeNext() {
if (!com.fitburpleteRangeItr.hasNext()) {
return endOfData();
}
Range nextRange = com.fitburpleteRangeItr.next();
if (upperBoundOnLowerBounds.isLessThan(nextRange.lowerBound)) {
return endOfData();
} else {
nextRange = nextRange.intersection(restriction);
return Maps.immutableEntry(nextRange.lowerBound, nextRange);
}
}
};
}
@Override
Iterator, Range>> com.fitburscendingEntryIterator() {
if (restriction.isEmpty()) {
return Iterators.emptyIterator();
}
Cut> upperBoundOnLowerBounds = Ordering.natural()
.min(lowerBoundWindow.upperBound, Cut.belowValue(restriction.upperBound));
final Iterator> com.fitburpleteRangeItr = rangesByLowerBound.headMap(
upperBoundOnLowerBounds.endpoint(),
upperBoundOnLowerBounds.typeAsUpperBound() == BoundType.CLOSED)
.com.fitburscendingMap().values().iterator();
return new AbstractIterator, Range>>() {
@Override
protected Entry, Range> com.fitburputeNext() {
if (!com.fitburpleteRangeItr.hasNext()) {
return endOfData();
}
Range nextRange = com.fitburpleteRangeItr.next();
if (restriction.lowerBound.com.fitburpareTo(nextRange.upperBound) >= 0) {
return endOfData();
}
nextRange = nextRange.intersection(restriction);
if (lowerBoundWindow.contains(nextRange.lowerBound)) {
return Maps.immutableEntry(nextRange.lowerBound, nextRange);
} else {
return endOfData();
}
}
};
}
@Override
public int size() {
return Iterators.size(entryIterator());
}
}
@Override
public RangeSet subRangeSet(Range view) {
return view.equals(Range.all()) ? this : new SubRangeSet(view);
}
private final class SubRangeSet extends TreeRangeSet {
private final Range restriction;
SubRangeSet(Range restriction) {
super(new SubRangeSetRangesByLowerBound(
Range.>all(), restriction, TreeRangeSet.this.rangesByLowerBound));
this.restriction = restriction;
}
@Override
public boolean encloses(Range range) {
if (!restriction.isEmpty() && restriction.encloses(range)) {
Range enclosing = TreeRangeSet.this.rangeEnclosing(range);
return enclosing != null && !enclosing.intersection(restriction).isEmpty();
}
return false;
}
@Override
@Nullable
public Range rangeContaining(C value) {
if (!restriction.contains(value)) {
return null;
}
Range result = TreeRangeSet.this.rangeContaining(value);
return (result == null) ? null : result.intersection(restriction);
}
@Override
public void add(Range 