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/*
* DSI utilities
*
* Copyright (C) 2010-2023 Sebastiano Vigna
*
* This program and the accompanying materials are made available under the
* terms of the GNU Lesser General Public License v2.1 or later,
* which is available at
* http://www.gnu.org/licenses/old-licenses/lgpl-2.1-standalone.html,
* or the Apache Software License 2.0, which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
*
* SPDX-License-Identifier: LGPL-2.1-or-later OR Apache-2.0
*/
package it.unimi.dsi.lang;
import java.util.Objects;
public class TwoStrings {
private final String a;
private final String b;
private final Object context;
public void test() {}
public TwoStrings(final String a, final String b) {
this(null, a, b);
}
public TwoStrings(final String... a) {
this(null, a);
}
public static TwoStrings getInstance(final String a) {
return new TwoStrings(a, a);
}
public static TwoStrings getInstance(final String... a) {
return getInstance(Integer.toString(a.length));
}
public TwoStrings(final Object context, final String a, final String b) {
this.a = a;
this.b = b;
this.context = context;
}
public TwoStrings(final Object context, final String... a) {
this.a = a[0];
this.b = Integer.toString(a.length);
this.context = context;
}
public static TwoStrings getInstance(final Object context, final String a) {
return new TwoStrings(context, a, a);
}
public static TwoStrings getInstance(final Object context, final String... a) {
return getInstance(context, Integer.toString(a.length));
}
@Override
public boolean equals(final Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
final TwoStrings other = (TwoStrings)obj;
if (a == null) {
if (other.a != null) return false;
}
else if (!a.equals(other.a)) return false;
if (b == null) {
if (other.b != null) return false;
}
else if (!b.equals(other.b)) return false;
if (context == null) {
if (other.context != null) return false;
}
else if (!context.equals(other.context)) return false;
return true;
}
@Override
public String toString() {
return getClass().getName() + "(" + context + ", " + a + ", " + b + ")";
}
@Override
public int hashCode() {
return Objects.hash(a, b, context);
}
}
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