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NumberedString.java
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package soot.util;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2002 Ondrej Lhotak
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* 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. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
/**
* A class that assigns integers to java.lang.Strings.
*
* @author Ondrej Lhotak
*/
public final class NumberedString implements Numberable {
private final String s;
private volatile int number;
public NumberedString(String s) {
this.s = s;
}
@Override
public final void setNumber(int number) {
this.number = number;
}
@Override
public final int getNumber() {
return number;
}
@Override
public final String toString() {
return getString();
}
public final String getString() {
if (number == 0) {
throw new RuntimeException("oops");
}
return s;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + number;
result = prime * result + ((s == null) ? 0 : s.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || this.getClass() != obj.getClass()) {
return false;
}
NumberedString other = (NumberedString) obj;
if (this.number != other.number) {
return false;
}
if (this.s == null) {
return other.s == null;
} else {
return this.s.equals(other.s);
}
}
}