/* * Phylogeny.java * * Copyright (c) 2002-2015 Alexei Drummond, Andrew Rambaut and Marc Suchard * * This file is part of BEAST. * See the NOTICE file distributed with this work for additional * information regarding copyright ownership and licensing. * * BEAST is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * BEAST is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with BEAST; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301 USA */ package dr.evolution.phylogeny; public abstract class Phylogeny { public static final int INCREMENT=10000; Lineage[] lineages = new Lineage[INCREMENT]; int lineageCount = 0; int availableSize = 0; int[] extantLineages; Phylogeny() { } public void lineageBirth(Lineage lineage, double birthTime) { int descendantIndex1 = createLineage(lineage, birthTime); int descendantIndex2 = createLineage(lineage, birthTime); int lineageIndex = extantLineages[lineage.getExtantIndex()]; extantLineages[lineage.getExtantIndex()] = descendantIndex1; } public void lineageDeath(Lineage lineage, double deathTime) { lineage.setDeathTime(deathTime); } private int createLineage(Lineage parent, double birthTime) { int index = lineageCount; if (availableSize > 0) { // there are some unused lineage available so return one.. availableSize--; } else { if (lineageCount == lineages.length) { // run out of space in the array so reallocate it... Lineage[] newLineages = new Lineage[lineages.length + INCREMENT]; for (int i = 0; i < lineages.length; i++) { newLineages[i] = lineages[i]; } lineages = newLineages; } lineages[index] = newLineage(parent, birthTime); lineages[index].setIndex(index); } lineageCount++; return index; } /** * Override this to return a new class that implements the Lineage interface */ protected abstract Lineage newLineage(Lineage parent, double birthTime); }