org.eclipse.egit.core/src/org/eclipse/egit/core/internal/storage/KidCommit.java

   1 /*******************************************************************************
   2  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   3  *
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *******************************************************************************/
   9 package org.eclipse.egit.core.internal.storage;
  10
  11 import org.eclipse.jgit.lib.AnyObjectId;
  12 import org.eclipse.jgit.revwalk.RevCommit;
  13
  14 class KidCommit extends RevCommit {
  15         static final KidCommit[] NO_CHILDREN = {};
  16
  17         KidCommit[] children = NO_CHILDREN;
  18
  19         KidCommit(final AnyObjectId id) {
  20                 super(id);
  21         }
  22
  23         void addChild(final KidCommit c) {
  24                 final int cnt = children.length;
  25                 if (cnt == 0)
  26                         children = new KidCommit[] { c };
  27                 else if (cnt == 1)
  28                         children = new KidCommit[] { children[0], c };
  29                 else {
  30                         final KidCommit[] n = new KidCommit[cnt + 1];
  31                         System.arraycopy(children, 0, n, 0, cnt);
  32                         n[cnt] = c;
  33                         children = n;
  34                 }
  35         }
  36
  37         @Override
  38         public void reset() {
  39                 children = NO_CHILDREN;
  40                 super.reset();
  41         }
  42 }