a2/A2Branch.java

   1 package org.argeo.osgi.boot.a2;
   2
   3 import java.util.Collections;
   4 import java.util.SortedMap;
   5 import java.util.TreeMap;
   6
   7 import org.argeo.osgi.boot.OsgiBootUtils;
   8 import org.osgi.framework.Version;
   9
  10 class A2Branch implements Comparable<A2Branch> {
  11         private final A2Component component;
  12         private final String id;
  13
  14         final SortedMap<Version, A2Module> modules = Collections.synchronizedSortedMap(new TreeMap<>());
  15
  16         A2Branch(A2Component component, String id) {
  17                 this.component = component;
  18                 this.id = id;
  19                 component.branches.put(id, this);
  20         }
  21
  22         A2Module getOrAddModule(Version version, Object locator) {
  23                 if (modules.containsKey(version)) {
  24                         A2Module res = modules.get(version);
  25                         if (OsgiBootUtils.isDebug() && !res.getLocator().equals(locator)) {
  26                                 OsgiBootUtils.debug("Inconsistent locator " + locator + " (registered: " + res.getLocator() + ")");
  27                         }
  28                         return res;
  29                 } else
  30                         return new A2Module(this, version, locator);
  31         }
  32
  33         A2Module last() {
  34                 return modules.get(modules.lastKey());
  35         }
  36
  37         A2Module first() {
  38                 return modules.get(modules.firstKey());
  39         }
  40
  41         A2Component getComponent() {
  42                 return component;
  43         }
  44
  45         String getId() {
  46                 return id;
  47         }
  48
  49         @Override
  50         public int compareTo(A2Branch o) {
  51                 return id.compareTo(id);
  52         }
  53
  54         @Override
  55         public int hashCode() {
  56                 return id.hashCode();
  57         }
  58
  59         @Override
  60         public boolean equals(Object obj) {
  61                 if (obj instanceof A2Branch) {
  62                         A2Branch o = (A2Branch) obj;
  63                         return component.equals(o.component) && id.equals(o.id);
  64                 } else
  65                         return false;
  66         }
  67
  68         @Override
  69         public String toString() {
  70                 return getCoordinates();
  71         }
  72
  73         public String getCoordinates() {
  74                 return component + ":" + id;
  75         }
  76
  77         static String versionToBranchId(Version version) {
  78                 return version.getMajor() + "." + version.getMinor();
  79         }
  80 }