|
Commons Net example source code file (ThreadContainer.java)
The Commons Net ThreadContainer.java source code/* * 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.commons.net.nntp; /** * A placeholder utility class, used for constructing a tree of Threadables * Original implementation by Jamie Zawinski. * See the Grendel source for more details <a href="http://lxr.mozilla.org/mozilla/source/grendel/sources/grendel/view/Threader.java#511">here * Threadable objects * @author Rory Winston <rwinston@apache.org> */ class ThreadContainer { Threadable threadable; ThreadContainer parent; // ThreadContainer prev; ThreadContainer next; ThreadContainer child; /** * * @param container * @return true if child is under self's tree. Detects circular references */ boolean findChild(ThreadContainer target) { if (child == null) return false; else if (child == target) return true; else return child.findChild(target); } // Copy the ThreadContainer tree structure down into the underlying Threadable objects // (Make the Threadable tree look like the ThreadContainer tree) // TODO convert this to an iterative function - this can blow the stack // with very large Threadable trees void flush() { if (parent != null && threadable == null) throw new RuntimeException("no threadable in " + this.toString()); parent = null; if (threadable != null) threadable.setChild(child == null ? null : child.threadable); if (child != null) { child.flush(); child = null; } if (threadable != null) threadable.setNext(next == null ? null : next.threadable); if (next != null) { next.flush(); next = null; } threadable = null; } /** * Reverse the entire set of children * */ void reverseChildren() { if (child != null) { ThreadContainer kid, prev, rest; for (prev = null, kid = child, rest = kid.next; kid != null; prev = kid, kid = rest, rest = (rest == null ? null : rest.next)) kid.next = prev; child = prev; // Do it for the kids for (kid = child; kid != null; kid = kid.next) kid.reverseChildren(); } } } Other Commons Net examples (source code examples)Here is a short list of links related to this Commons Net ThreadContainer.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2024 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.