Java tutorial
/* * The MIT License * * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi * * 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 hudson.widgets; import jenkins.model.Jenkins; import hudson.model.Queue.Item; import hudson.model.Queue.Task; import jenkins.widgets.HistoryPageFilter; import org.apache.commons.collections.IteratorUtils; import java.util.Collection; import java.util.LinkedList; import java.util.List; /** * Displays the build history on the side panel. * * <p> * This widget enhances {@link HistoryWidget} by groking the notion * that {@link #owner} can be in the queue toward the next build. * * @author Kohsuke Kawaguchi */ public class BuildHistoryWidget<T> extends HistoryWidget<Task, T> { /** * @param owner * The parent model object that owns this widget. */ public BuildHistoryWidget(Task owner, Iterable<T> baseList, Adapter<? super T> adapter) { super(owner, baseList, adapter); } /** * Returns the first queue item if the owner is scheduled for execution in the queue. */ public Item getQueuedItem() { return Jenkins.getInstance().getQueue().getItem(owner); } /** * Returns the queue item if the owner is scheduled for execution in the queue, in REVERSE ORDER */ public List<Item> getQueuedItems() { LinkedList<Item> list = new LinkedList<Item>(); for (Item item : Jenkins.getInstance().getQueue().getApproximateItemsQuickly()) { if (item.task == owner) { list.addFirst(item); } } return list; } @Override public HistoryPageFilter getHistoryPageFilter() { final HistoryPageFilter<T> historyPageFilter = newPageFilter(); List<T> items = new LinkedList<T>(); items.addAll((Collection<? extends T>) getQueuedItems()); items.addAll(IteratorUtils.toList(baseList.iterator())); historyPageFilter.add(items); historyPageFilter.widget = this; return historyPageFilter; } }