org.graylog.plugins.views.search.util.UniqueNamer Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Graylog, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* .
*/
package org.graylog.plugins.views.search.util;
/**
* Utility class to generate unique names.
*
* Not threadsafe, you need to lock externally.
*/
public class UniqueNamer {
private final String prefix;
private long number = 0;
public UniqueNamer() {
this("name-");
}
public UniqueNamer(String prefix) {
this.prefix = prefix;
}
public String nextName() {
return prefix + ++number;
}
public String currentName() {
return prefix + number;
}
}