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/*
* Copyright (C) 2020-2024 Sebastiano Vigna
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/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 PACKAGE;
/** A type-specific immutable {@link it.unimi.dsi.fastutil.SortedPair SortedPair}; provides some additional methods that use polymorphism to avoid (un)boxing. */
#if KEYS_PRIMITIVE
public class IMMUTABLE_SORTED_PAIR extends IMMUTABLE_PAIR implements SORTED_PAIR, java.io.Serializable {
#else
public class IMMUTABLE_SORTED_PAIR <K extends Comparable<K>> extends IMMUTABLE_PAIR <K, K> implements it.unimi.dsi.fastutil.SortedPair<K>, java.io.Serializable {
#endif
private static final long serialVersionUID = 0L;
private IMMUTABLE_SORTED_PAIR(final KEY_GENERIC_TYPE left, final KEY_GENERIC_TYPE right) {
super(left, right);
}
/** Returns a new type-specific immutable {@link it.unimi.dsi.fastutil.SortedPair SortedPair} with given left and right value.
*
* <p>Note that if {@code left} and {@code right} are in the wrong order, they will be exchanged.
*
* @param left the left value.
* @param right the right value.
*
* @implSpec This factory method delegates to the constructor.
*/
#if KEYS_PRIMITIVE
public static IMMUTABLE_SORTED_PAIR of(final KEY_GENERIC_TYPE left, final KEY_GENERIC_TYPE right) {
if (left <= right) return new IMMUTABLE_SORTED_PAIR(left, right);
else return new IMMUTABLE_SORTED_PAIR(right, left);
#else
public static <K extends Comparable<K>> IMMUTABLE_SORTED_PAIR <K> of(final KEY_GENERIC_TYPE left, final KEY_GENERIC_TYPE right) {
if (left.compareTo(right) <= 0) return new IMMUTABLE_SORTED_PAIR <K>(left, right);
else return new IMMUTABLE_SORTED_PAIR <K>(right, left);
#endif
}
@Override
@SuppressWarnings("rawtypes")
public boolean equals(Object other) {
if (other == null) return false;
#if KEYS_PRIMITIVE || VALUES_PRIMITIVE
if (other instanceof SORTED_PAIR) {
return
#if KEY_CLASS_Object
java.util.Objects.equals(left, ((SORTED_PAIR)other).PAIR_LEFT())
#else
left == ((SORTED_PAIR)other).PAIR_LEFT()
#endif
#if VALUE_CLASS_Object
&& java.util.Objects.equals(right, ((SORTED_PAIR)other).PAIR_RIGHT());
#else
&& right == ((SORTED_PAIR)other).PAIR_RIGHT();
#endif
}
#endif
if (other instanceof it.unimi.dsi.fastutil.SortedPair) {
return
#if KEYS_USE_REFERENCE_EQUALITY
left == ((it.unimi.dsi.fastutil.SortedPair)other).left()
#else
java.util.Objects.equals(KEY2OBJ(left), ((it.unimi.dsi.fastutil.SortedPair)other).left())
#endif
#if VALUES_USE_REFERENCE_EQUALITY
&& right == ((it.unimi.dsi.fastutil.SortedPair)other).right();
#else
&& java.util.Objects.equals(VALUE2OBJ(right), ((it.unimi.dsi.fastutil.SortedPair)other).right());
#endif
}
return false;
}
/** Returns a string representation of this sorted pair in the form {<var>l</var>,<var>r</var>}.
*
* @return a string representation of this pair sorted in the form {<var>l</var>,<var>r</var>}.
*/
@Override
public String toString() {
return "{" + PAIR_LEFT() + "," + PAIR_RIGHT() + "}";
}
}
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