|
Groovy example source code file (Tuple.java)
The Groovy Tuple.java source code/* * Copyright 2003-2007 the original author or authors. * * 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 groovy.lang; import java.util.AbstractList; import java.util.List; import org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation; /** * Represents a list of Integer objects from a specified int up to but not including * a given and to. * * @author <a href="mailto:james@coredevelopers.net">James Strachan * @version $Revision: 6778 $ */ public class Tuple extends AbstractList { private Object[] contents; private int hashCode; public Tuple(Object[] contents) { this.contents = contents; } public Object get(int index) { return contents[index]; } public int size() { return contents.length; } public boolean equals(Object that) { if (that instanceof Tuple) { return equals((Tuple) that); } return false; } public boolean equals(Tuple that) { if (contents.length == that.contents.length) { for (int i = 0; i < contents.length; i++) { if (! DefaultTypeTransformation.compareEqual(this.contents[i], that.contents[i])) { return false; } } return true; } return false; } public int hashCode() { if (hashCode == 0) { for (int i = 0; i < contents.length; i++ ) { Object value = contents[i]; int hash = (value != null) ? value.hashCode() : 0xbabe; hashCode ^= hash; } if (hashCode == 0) { hashCode = 0xbabe; } } return hashCode; } public List subList(int fromIndex, int toIndex) { int size = toIndex - fromIndex; Object[] newContent = new Object[size]; System.arraycopy(contents, fromIndex, newContent, 0, size); return new Tuple(newContent); } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy Tuple.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.