| /* |
| * 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.jackrabbit.test; |
| |
| import java.util.List; |
| import java.util.LinkedList; |
| import java.util.Properties; |
| import java.util.Map; |
| import java.util.HashMap; |
| import java.io.InputStream; |
| import java.io.IOException; |
| |
| /** |
| * <code>RepositoryHelperPoolImpl</code> implements a pool of repository helper |
| * instances. |
| */ |
| public class RepositoryHelperPoolImpl implements RepositoryHelperPool { |
| |
| private static final String PROP_FILE = "repositoryHelperPool.properties"; |
| |
| private List<RepositoryHelper> helpers = new LinkedList<RepositoryHelper>(); |
| |
| private static RepositoryHelperPool POOL = null; |
| |
| public synchronized static RepositoryHelperPool getInstance() { |
| if (POOL == null) { |
| POOL = new RepositoryHelperPoolImpl(); |
| } |
| return POOL; |
| } |
| |
| private RepositoryHelperPoolImpl() { |
| InputStream in = RepositoryHelperPoolImpl.class.getClassLoader().getResourceAsStream(PROP_FILE); |
| if (in != null) { |
| try { |
| Properties props = new Properties(); |
| props.load(in); |
| for (int i = 0;; i++) { |
| String prefix = "helper." + i + "."; |
| Map<String, Object> helperProp = new HashMap<String, Object>(); |
| for (Map.Entry<Object, Object> entry : props.entrySet()) { |
| String key = (String) entry.getKey(); |
| if (key.startsWith(prefix)) { |
| helperProp.put(key.substring(prefix.length()), entry.getValue()); |
| } |
| } |
| if (helperProp.isEmpty()) { |
| break; |
| } |
| addHelper(new RepositoryHelper(helperProp)); |
| } |
| } catch (IOException e) { |
| // ignore and use default |
| } finally { |
| try { |
| in.close(); |
| } catch (IOException e) { |
| // ignore |
| } |
| } |
| } |
| if (helpers.isEmpty()) { |
| // use single default repo helper |
| addHelper(new RepositoryHelper()); |
| } |
| } |
| |
| public synchronized void addHelper(RepositoryHelper helper) { |
| helpers.add(helper); |
| } |
| |
| public synchronized RepositoryHelper borrowHelper() |
| throws InterruptedException { |
| while (helpers.isEmpty()) { |
| wait(); |
| } |
| return helpers.remove(0); |
| } |
| |
| public synchronized RepositoryHelper[] borrowHelpers() throws InterruptedException { |
| while (helpers.isEmpty()) { |
| wait(); |
| } |
| try { |
| return helpers.toArray(new RepositoryHelper[helpers.size()]); |
| } finally { |
| helpers.clear(); |
| } |
| } |
| |
| public synchronized void returnHelper(RepositoryHelper helper) { |
| helpers.add(helper); |
| notifyAll(); |
| } |
| } |