Examples of java.util.IdentityHashMap$IdentityHashMapEntry

java.util.IdentityHashMap
IdentityHashMap is a variant on HashMap which tests equality by reference instead of equality by value. Basically, keys and values are compared for equality by checking if their references are equal rather than by calling the "equals" function.
Note: This class intentionally violates the general contract of {@code Map}'s on comparing objects by their {@code equals} method.
IdentityHashMap uses open addressing (linear probing in particular) for collision resolution. This is different from HashMap which uses Chaining.
Like HashMap, IdentityHashMap is not thread safe, so access by multiple threads must be synchronized by an external mechanism such as Collections.synchronizedMap. @since 1.4

   * @param event The create event to be handled.
   *
   * @throws HibernateException
   */
  public void onPersist(PersistEvent event) throws HibernateException {
    onPersist( event, new IdentityHashMap( 10 ) );
  }

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 */
public class DefaultRefreshEventListener implements RefreshEventListener {
  private static final CoreMessageLogger LOG = CoreLogging.messageLogger( DefaultRefreshEventListener.class );


  public void onRefresh(RefreshEvent event) throws HibernateException {
    onRefresh( event, new IdentityHashMap( 10 ) );
  }

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  protected CascadingAction getCascadingAction() {
    return CascadingAction.PERSIST_ON_FLUSH;
  }


  protected Object getAnything() {
    return new IdentityHashMap( 10 );
  }

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  protected CascadingAction getCascadingAction() {
    return CascadingAction.PERSIST_ON_FLUSH;
  }


  protected Object getAnything() {
    return new IdentityHashMap( 10 );
  }

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            if (t == Map.class || t == HashMap.class) {
                m = new HashMap();
            } else if (t == LinkedHashMap.class) {
                m = new LinkedHashMap();
            } else if (t == IdentityHashMap.class) {
                m = new IdentityHashMap();
            } else if (t == Hashtable.class) {
                m = new Hashtable();
            } else if (t == TreeMap.class || t == SortedMap.class) {
                m = new TreeMap();
            } else if (t == WeakHashMap.class) {

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    return CascadingActions.PERSIST_ON_FLUSH;
  }


  @Override
  protected Object getAnything() {
    return new IdentityHashMap( 10 );
  }

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    return CascadingActions.PERSIST_ON_FLUSH;
  }


  @Override
  protected Object getAnything() {
    return new IdentityHashMap( 10 );
  }

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  /**
   * Create an IdentitySet with default sizing.
   */
  public IdentitySet() {
    this.map = new IdentityHashMap();
  }

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   * Create an IdentitySet with the given sizing.
   *
   * @param sizing The sizing of the set to create.
   */
  public IdentitySet(int sizing) {
    this.map = new IdentityHashMap( sizing );
  }

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  /**
   * @see org.apache.derby.iapi.sql.conn.LanguageConnectionContext#getPrintedObjectsMap
   */
  public Map getPrintedObjectsMap() {
    if (printedObjectsMap == null) {
      printedObjectsMap = new IdentityHashMap();
    }
    return printedObjectsMap;
  }

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