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1   /*
2    * Copyright 2007-2008 the original author or authors.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.gwe.persistence.model;
18  
19  import java.util.ArrayList;
20  import java.util.HashSet;
21  import java.util.List;
22  import java.util.Set;
23  
24  import org.apache.commons.logging.Log;
25  import org.apache.commons.logging.LogFactory;
26  
27  /**
28   * @author Marco Ruiz
29   * @since Aug 7, 2007
30   */
31  public class GridInfo {
32  
33  	private static Log log = LogFactory.getLog(GridInfo.class);
34  	
35      private List<HeadResourceInfo> headResources = new ArrayList<HeadResourceInfo>();
36  
37      public GridInfo() {}
38      
39      public GridInfo(HeadResourceInfo... headResources) {
40      	for (HeadResourceInfo daemonInfo : headResources)
41  	        addHeadResource(daemonInfo);
42      }
43      
44  	public void addHeadResource(HeadResourceInfo daemonInfo) {
45  		headResources.add(daemonInfo);
46      }
47  
48  	public void setHeadResources(List<HeadResourceInfo> headResources) {
49      	this.headResources = headResources;
50      }
51  
52  	public List<HeadResourceInfo> getHeadResources() {
53  		return headResources;
54  	}
55  	
56  	public HeadResourceInfo getHeadResource(String name) {
57  		if (name != null && !"".equals(name)) {
58  			for (HeadResourceInfo daemon : headResources)
59  				if (name.equals(daemon.getName())) return daemon;
60  		}
61  		return null;
62  	}
63  	
64  	public void validate() {
65  	    Set<HeadResourceInfo> misconfiguredDaemons = new HashSet<HeadResourceInfo>();
66  		for (HeadResourceInfo headRes : headResources) {
67  	        String host = headRes.getHost();
68  			if (host == null || "".equals(host)) {
69  	        	misconfiguredDaemons.add(headRes);
70  	        	log.warn("Ignoring configured cluster " + headRes.getName() + " because it is missing its host address value.");
71  	        }
72  	        if (headRes.getInstallRootPath() == null || "".equals(headRes.getInstallRootPath())) {
73  	        	if ("localhost".equals(host) || "127.0.0.1".equals(host)) {
74  	        		headRes.setInstallRootPath(System.getProperty("user.home"));
75  		        	log.info("Localhost cluster is missing its installation root path value. Using user's home...");
76  	        	} else {
77  		        	misconfiguredDaemons.add(headRes);
78  		        	log.warn("Ignoring configured cluster " + headRes.getName() + " because is missing its installation root path value.");
79  	        	}
80  	        }
81          }
82  		headResources.removeAll(misconfiguredDaemons);
83      }
84  }