ff.prac.util.FixedQueue Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of prac Show documentation
Show all versions of prac Show documentation
practical java utilities
The newest version!
/*
* Copyright (C) 2015-2018 XinZhenfeng
*
* This file is part of prac,
* prac is free software released under the MIT license.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
package ff.prac.util;
import java.util.ArrayList;
/**
* a queue with fixed length
* @param type
*/
public class FixedQueue {
private ArrayList list;
private int length;
/**
* construct an empty queue
* @param length the length of the queue
*/
public FixedQueue(int length) {
if(length<=0) {
throw new RuntimeException("empty "+FixedQueue.class.getSimpleName()+" is not constructable");
}
this.length = length;
list = new ArrayList();
}
/**
* construct a queue with default values
* @param length the length of the queue
* @param initValue the default value to fill up the whole queue
*/
public FixedQueue(int length, T initValue) {
if(length<=0) {
throw new RuntimeException("empty "+FixedQueue.class.getSimpleName()+" is not constructable");
}
this.length = length;
list = new ArrayList();
for(int i=0; i