/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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
*
* 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.apache.flink.util;
import org.apache.flink.annotation.Public;
/**
* An exception, indicating that an {@link java.lang.Iterable} can only be traversed once, but has been attempted
* to traverse an additional time.
*/
@Public
public class TraversableOnceException extends RuntimeException {
private static final long serialVersionUID = 7636881584773577290L;
/**
* Creates a new exception with a default message.
*/
public TraversableOnceException() {
super("The Iterable can be iterated over only once. Only the first call to 'iterator()' will succeed.");
}
}