Examples of org.eclipse.osgi.framework.util.KeyedHashSet

org.eclipse.osgi.framework.util.KeyedHashSet
A set data structure which only accepts {@link KeyedElement} objects as elements of the set. Unlike typical set implementations this set requires each element to provide its own key. This helps reduce the overhead of storing the keys of each individual element
This class in not thread safe, clients must ensure synchronization when modifying an object of this type. @since 3.2

   * Adds a user object
   * @param userObject the user object to add
   */
  public synchronized void addUserObject(KeyedElement userObject) {
    if (userObjects == null)
      userObjects = new KeyedHashSet(5, false);
    synchronized (userObjects) {
      userObjects.add(userObject);
    }
  }

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  /** bundles keyed by SymbolicName */
  private HashMap bundlesBySymbolicName;


  public BundleRepository(int initialCapacity) {
    bundlesByInstallOrder = new ArrayList(initialCapacity);
    bundlesById = new KeyedHashSet(initialCapacity, true);
    bundlesBySymbolicName = new HashMap(initialCapacity);
  }

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    return true;
  }


  public void removeAllBundles() {
    bundlesByInstallOrder.clear();
    bundlesById = new KeyedHashSet();
    bundlesBySymbolicName.clear();
  }

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  final private KeyedHashSet pkgSources;


  public BundleLoaderProxy(BundleHost bundle, BundleDescription description) {
    this.bundle = bundle;
    this.description = description;
    this.pkgSources = new KeyedHashSet(false);
  }

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    return null;
  }


  public static synchronized NullPackageSource getNullPackageSource(String name) {
    if (sources == null)
      sources = new KeyedHashSet();
    NullPackageSource result = (NullPackageSource) sources.getByKey(name);
    if (result != null)
      return result;
    result = new NullPackageSource(name);
    sources.add(result);

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        reexportTable = new int[reexportIndex];
        System.arraycopy(reexported, 0, reexportTable, 0, reexportIndex);
      } else {
        reexportTable = null;
      }
      requiredSources = new KeyedHashSet(10, false);
    } else {
      requiredBundles = null;
      reexportTable = null;
      requiredSources = null;
    }

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    if ((loaderFlags & FLAG_IMPORTSINIT) != 0)
      return importedSources;
    ExportPackageDescription[] packages = proxy.getBundleDescription().getResolvedImports();
    if (packages != null && packages.length > 0) {
      if (importedSources == null)
        importedSources = new KeyedHashSet(packages.length, false);
      for (int i = 0; i < packages.length; i++) {
        PackageSource source = createExportPackageSource(packages[i]);
        if (source != null)
          importedSources.add(source);
      }

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    // Note that dynamic imports are not checked to avoid aggressive wiring (bug 105779)  
    return findRequiredSource(pkgName);
  }


  private PackageSource findImportedSource(String pkgName) {
    KeyedHashSet imports = getImportedSources();
    if (imports == null)
      return null;
    synchronized (imports) {
      return (PackageSource) imports.getByKey(pkgName);
    }
  }

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      ExportPackageDescription exportPackage = bundle.framework.adaptor.getState().linkDynamicImport(proxy.getBundleDescription(), pkgName);
      if (exportPackage != null) {
        PackageSource source = createExportPackageSource(exportPackage);
        synchronized (this) {
          if (importedSources == null)
            importedSources = new KeyedHashSet(false);
        }
        synchronized (importedSources) {
          importedSources.add(source);
        }
        return source;

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    synchronized (requiredSources) {
      PackageSource result = (PackageSource) requiredSources.getByKey(pkgName);
      if (result != null)
        return result.isNullSource() ? null : result;
    }
    KeyedHashSet visited = new KeyedHashSet(false);
    visited.add(bundle); // always add ourselves so we do not recurse back to ourselves
    ArrayList result = new ArrayList(3);
    for (int i = 0; i < requiredBundles.length; i++) {
      BundleLoader requiredLoader = requiredBundles[i].getBundleLoader();
      requiredLoader.addExportedProvidersFor(proxy.getSymbolicName(), pkgName, result, visited);
    }

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org.eclipse.osgi.baseadaptor.loader.ClasspathEntry

org.eclipse.osgi.framework.internal.core.BundleLoader

org.eclipse.osgi.framework.internal.core.BundleLoaderProxy

org.eclipse.osgi.framework.internal.core.BundleRepository

org.eclipse.osgi.framework.internal.core.NullPackageSource

org.eclipse.osgi.internal.loader.BundleLoader

org.eclipse.osgi.internal.loader.BundleLoaderProxy

org.eclipse.osgi.internal.loader.NullPackageSource

java.util.NoSuchElementException

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