| /* |
| * |
| * 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.crail.namenode; |
| |
| import java.util.concurrent.DelayQueue; |
| |
| import org.apache.crail.utils.CrailUtils; |
| import org.slf4j.Logger; |
| |
| public class GCServer implements Runnable { |
| private static final Logger LOG = CrailUtils.getLogger(); |
| |
| private NameNodeService rpcService; |
| private DelayQueue<AbstractNode> deleteQueue; |
| |
| public GCServer(NameNodeService service, DelayQueue<AbstractNode> deleteQueue){ |
| this.rpcService = service; |
| this.deleteQueue = deleteQueue; |
| } |
| |
| @Override |
| public void run() { |
| while(true){ |
| try{ |
| AbstractNode file = deleteQueue.take(); |
| if (file.getType().isContainer()){ |
| file.clearChildren(deleteQueue); |
| } |
| rpcService.freeFile(file); |
| } catch(Exception e){ |
| LOG.info("Exception during GC: " + e.getMessage()); |
| } |
| } |
| } |
| |
| } |