CompBundleMap


1   /*
2    * CompBundleMap.java
3    *
4    * Created on 23. listopad 2003, 19:44
5    */
6   
7   package SOFA.SOFAnet.Repository;
8   
9   import java.util.*;
10  import SOFA.SOFAnode.TR.Impl.ComponentInfoImpl;
11  
12  /**
13   * Map between names of components and names of bundles.
14   * It maintain the information which component belongs to which bundle.
15   * It is used to quick look up of the bundle (or bundle offer) that contains concrete component
16   *
17   * @author  Ladislav Sobr
18   */
19  public class CompBundleMap
20  {
21    public Map map;
22    
23    /** Creates a new instance of CompBundleMap */
24    public CompBundleMap()
25    {
26      map = Collections.synchronizedMap(new HashMap());
27    }
28    
29    /**
30     * Returns name of bundle that contains specified component
31     * @param componentFullName full name of component in format name[version]
32     * @return name of bundle or null if no bundle found
33     */
34    public String   findBundle(String   componentFullName)
35    {
36      return (String  )map.get(componentFullName);
37    }
38    
39    /**
40     * Adds records to the map - components of one bundle/
41     * @param components list of components (ComponentInfoImpl class)
42     * @param bundleName name of bundle
43     */
44    public void addComponents(List components, String   bundleName)
45    {
46      synchronized (map)
47      {
48        synchronized (components)
49        {
50          Iterator it = components.iterator();
51          while (it.hasNext())
52          {
53            String   componentName = ((ComponentInfoImpl)it.next()).toString();
54            map.put(componentName, bundleName);
55          }
56        }
57      }
58    }
59  
60    /**
61     * Adds records to the map - they are taken from bundle content
62     * @param bundleContent content of the bundle to add
63     */
64    public void addBundleContent(BundleContent bundleContent)
65    {
66      List components = bundleContent.getComponents();
67      String   bundleName = bundleContent.getName();
68      addComponents(components, bundleName);
69    }
70    
71    /**
72     * Adds records to the map - they are taken from bundle offer
73     * @param bundleOffer bundle offer to add
74     */
75    public void addBundleOffer(BundleOffer bundleOffer)
76    {
77      List components = bundleOffer.getComponents();
78      String   bundleName = bundleOffer.getName();
79      addComponents(components, bundleName);
80    }
81    
82    /**
83     * Removes all records from the map that are connected with this name of bundle.
84     * In fact it removes content of such bundle
85     * @param bundleName name of bundle to delete
86     */
87    public void deleteBundle(String   bundleName)
88    {
89      synchronized (map)
90      {
91        Iterator it = map.values().iterator();
92        while (it.hasNext())
93        {
94          String   name = (String  )it.next();
95          if (name.compareTo(bundleName) == 0) it.remove();
96        }
97      }
98    }
99    
100 }
101
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