Java Collection Unique uniqueIdNotIn(String prefix, Collection exclusions)

Description

unique Id Not In

License

Apache License

Declaration

private static String uniqueIdNotIn(String prefix, Collection<? extends String> exclusions) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.util.Collection;

public class Main {
    private static String uniqueIdNotIn(String prefix, Collection<? extends String> exclusions) {
        StringBuilder sb = new StringBuilder(prefix);
        for (int counter = 0;; ++counter) {
            sb.setLength(prefix.length());
            sb.append('.').append(counter);
            String candidate = sb.toString();
            if (!exclusions.contains(candidate)) {
                return candidate;
            }/*from ww  w .  j  a  va  2  s . co m*/
        }
    }
}

Related

1. hasUniqueObject(Collection collection)
2. hasUniqueObject(Collection collection)
3. hasUniqueObject(Collection collection)
4. unique(Collection c)
5. unique(Collection c, Collection result)
6. uniqueResult(Collection results)
7. uniqueResult(final Collection c)