104 lines
2.2 KiB
Java
104 lines
2.2 KiB
Java
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/*
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* Copyright (C) 2011 The Guava Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied. See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.common.collect;
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import javax.annotation.Nullable;
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/**
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* A skeletal implementation of {@code RangeSet}.
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*
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* @author Louis Wasserman
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*/
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abstract class AbstractRangeSet<C extends Comparable> implements RangeSet<C> {
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AbstractRangeSet() {
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}
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@Override
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public boolean contains(C value) {
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return rangeContaining(value) != null;
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}
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@Override
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public abstract Range<C> rangeContaining(C value);
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@Override
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public boolean isEmpty() {
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return asRanges().isEmpty();
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}
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@Override
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public void add(Range<C> range) {
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throw new UnsupportedOperationException();
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}
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@Override
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public void remove(Range<C> range) {
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throw new UnsupportedOperationException();
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}
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@Override
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public void clear() {
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remove(Range.<C>all());
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}
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@Override
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public boolean enclosesAll(RangeSet<C> other) {
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for (Range<C> range : other.asRanges()) {
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if (!encloses(range)) {
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return false;
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}
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}
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return true;
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}
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@Override
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public void addAll(RangeSet<C> other) {
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for (Range<C> range : other.asRanges()) {
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add(range);
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}
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}
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@Override
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public void removeAll(RangeSet<C> other) {
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for (Range<C> range : other.asRanges()) {
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remove(range);
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}
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}
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@Override
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public abstract boolean encloses(Range<C> otherRange);
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@Override
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public boolean equals(@Nullable Object obj) {
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if (obj == this) {
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return true;
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} else if (obj instanceof RangeSet) {
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RangeSet<?> other = (RangeSet<?>) obj;
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return this.asRanges().equals(other.asRanges());
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}
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return false;
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}
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@Override
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public final int hashCode() {
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return asRanges().hashCode();
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}
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@Override
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public final String toString() {
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return asRanges().toString();
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}
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}
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