/*
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work
* for additional information regarding copyright ownership.
* Jasig licenses this file to you 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 the following location:
*
* 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 org.jasig.cas.util;
/**
* Interface to return a new sequential number for each call.
*
* @author Scott Battaglia
* @since 3.0
*/
public interface NumericGenerator {
/**
* Method to retrieve the next number as a String.
*
* @return the String representation of the next number in the sequence
*/
String getNextNumberAsString();
/**
* The guaranteed maximum length of a String returned by this generator.
*
* @return the maximum length
*/
int maxLength();
/**
* The guaranteed minimum length of a String returned by this generator.
*
* @return the minimum length.
*/
int minLength();
}