001// Copyright 2004, 2005 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.hivemind.impl; 016 017import java.util.Iterator; 018import java.util.List; 019 020/** 021 * Startup service for the HiveMind Registry. This service is invoked as the 022 * {@link org.apache.hivemind.internal.RegistryInfrastructure#startup() last step} of the 023 * {@link org.apache.hivemind.impl.RegistryBuilder#constructRegistry(Locale) registry construction}. 024 * All contributions (java.lang.Runnable objects) to the <code>hivemind.Startup</code> 025 * configuration point are executed serially in an arbitrary order. Note that the contributions are 026 * <em>not</em> executed in separate Threads. 027 * <p> 028 * HiveMind contributes the <code>hivemind.EagerLoad</code> (see 029 * {@link org.apache.hivemind.service.impl.EagerLoader}) service to the 030 * <code>hivemind.Startup</code> configuration. 031 * 032 * @author Howard Lewis Ship 033 */ 034public class StartupImpl extends BaseLocatable implements Runnable 035{ 036 private List _runnables; 037 038 public void run() 039 { 040 Iterator i = _runnables.iterator(); 041 while (i.hasNext()) 042 { 043 Runnable r = (Runnable) i.next(); 044 045 r.run(); 046 } 047 } 048 049 public void setRunnables(List list) 050 { 051 _runnables = list; 052 } 053 054}