org.conqat.lib.commons.collections.IntList Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of teamscale-lib-commons Show documentation
Show all versions of teamscale-lib-commons Show documentation
Provides common utility functions
The newest version!
/*
* Copyright (c) CQSE GmbH
*
* Licensed 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.conqat.lib.commons.collections;
/**
* A really simple list for storing ints. This exists as it is both more efficient and uses way less
* memory than a List of Integers.
*/
public class IntList extends ManagedIntArray {
private static final long serialVersionUID = 1L;
/** Returns the size of the list. */
public int getSize() {
return size;
}
/**
* Returns true
if the list does not contain any element, false
otherwise.
*/
public boolean isEmpty() {
return size == 0;
}
/**
* Returns the element at the given index. No range checking is performed, thus you might sometimes
* get an {@link ArrayIndexOutOfBoundsException}, and sometimes just 0 returned, depending on if you
* reached existing memory by chance.
*/
public int get(int index) {
return array[index];
}
/**
* Set the element at the given index. No range checking is performed, thus you might sometimes get
* an {@link ArrayIndexOutOfBoundsException}, and sometimes not for illegal indexes, depending on
* whether you hit memory allocated by the exponential growth strategy by chance.
*/
public void set(int index, int value) {
array[index] = value;
}
/** Adds an element to the end of the list. */
public void add(int value) {
int index = size;
addArrayElement();
array[index] = value;
}
}