| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program 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 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * This program 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 this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.reference.impl; |
| |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import net.sf.taverna.t2.reference.DaoException; |
| import net.sf.taverna.t2.reference.ReferenceSet; |
| import net.sf.taverna.t2.reference.ReferenceSetDao; |
| import net.sf.taverna.t2.reference.T2Reference; |
| |
| /** |
| * A trivial in-memory implementation of ReferenceSetDao for either testing or |
| * very lightweight embedded systems. Uses a java Map as the backing store. |
| * |
| * @author Tom Oinn |
| * |
| */ |
| public class InMemoryReferenceSetDao implements ReferenceSetDao { |
| |
| private Map<T2Reference, ReferenceSet> store; |
| |
| public InMemoryReferenceSetDao() { |
| this.store = new ConcurrentHashMap<T2Reference, ReferenceSet>(); |
| } |
| |
| public synchronized ReferenceSet get(T2Reference reference) |
| throws DaoException { |
| if (store.containsKey(reference)) { |
| return store.get(reference); |
| } else { |
| throw new DaoException("Key " + reference + " not found in store"); |
| } |
| } |
| |
| public synchronized void store(ReferenceSet refSet) throws DaoException { |
| store.put(refSet.getId(), refSet); |
| } |
| |
| public synchronized void update(ReferenceSet refSet) throws DaoException { |
| store.put(refSet.getId(), refSet); |
| } |
| |
| } |