final class com.sun.javafx.collections.ElementObserver<E>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.sun.javafx.collections.ElementObserver
  super_class: java.lang.Object
{
  private javafx.util.Callback<E, javafx.beans.Observable[]> extractor;
    descriptor: Ljavafx/util/Callback;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljavafx/util/Callback<TE;[Ljavafx/beans/Observable;>;

  private final javafx.util.Callback<E, javafx.beans.InvalidationListener> listenerGenerator;
    descriptor: Ljavafx/util/Callback;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljavafx/util/Callback<TE;Ljavafx/beans/InvalidationListener;>;

  private final javafx.collections.ObservableListBase<E> list;
    descriptor: Ljavafx/collections/ObservableListBase;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljavafx/collections/ObservableListBase<TE;>;

  private java.util.IdentityHashMap<E, com.sun.javafx.collections.ElementObserver$ElementsMapElement> elementsMap;
    descriptor: Ljava/util/IdentityHashMap;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/IdentityHashMap<TE;Lcom/sun/javafx/collections/ElementObserver$ElementsMapElement;>;

  void <init>(javafx.util.Callback<E, javafx.beans.Observable[]>, javafx.util.Callback<E, javafx.beans.InvalidationListener>, javafx.collections.ObservableListBase<E>);
    descriptor: (Ljavafx/util/Callback;Ljavafx/util/Callback;Ljavafx/collections/ObservableListBase;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=4, args_size=4
        start local 0 // com.sun.javafx.collections.ElementObserver this
        start local 1 // javafx.util.Callback extractor
        start local 2 // javafx.util.Callback listenerGenerator
        start local 3 // javafx.collections.ObservableListBase list
         0: .line 66
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 63
            aload 0 /* this */
         2: .line 64
            new java.util.IdentityHashMap
            dup
            invokespecial java.util.IdentityHashMap.<init>:()V
            putfield com.sun.javafx.collections.ElementObserver.elementsMap:Ljava/util/IdentityHashMap;
         3: .line 67
            aload 0 /* this */
            aload 1 /* extractor */
            putfield com.sun.javafx.collections.ElementObserver.extractor:Ljavafx/util/Callback;
         4: .line 68
            aload 0 /* this */
            aload 2 /* listenerGenerator */
            putfield com.sun.javafx.collections.ElementObserver.listenerGenerator:Ljavafx/util/Callback;
         5: .line 69
            aload 0 /* this */
            aload 3 /* list */
            putfield com.sun.javafx.collections.ElementObserver.list:Ljavafx/collections/ObservableListBase;
         6: .line 70
            return
        end local 3 // javafx.collections.ObservableListBase list
        end local 2 // javafx.util.Callback listenerGenerator
        end local 1 // javafx.util.Callback extractor
        end local 0 // com.sun.javafx.collections.ElementObserver this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    7     0               this  Lcom/sun/javafx/collections/ElementObserver<TE;>;
            0    7     1          extractor  Ljavafx/util/Callback<TE;[Ljavafx/beans/Observable;>;
            0    7     2  listenerGenerator  Ljavafx/util/Callback<TE;Ljavafx/beans/InvalidationListener;>;
            0    7     3               list  Ljavafx/collections/ObservableListBase<TE;>;
    Signature: (Ljavafx/util/Callback<TE;[Ljavafx/beans/Observable;>;Ljavafx/util/Callback<TE;Ljavafx/beans/InvalidationListener;>;Ljavafx/collections/ObservableListBase<TE;>;)V
    MethodParameters:
                   Name  Flags
      extractor          
      listenerGenerator  
      list               

  void attachListener();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=5, locals=7, args_size=2
        start local 0 // com.sun.javafx.collections.ElementObserver this
        start local 1 // java.lang.Object e
         0: .line 74
            aload 0 /* this */
            getfield com.sun.javafx.collections.ElementObserver.elementsMap:Ljava/util/IdentityHashMap;
            ifnull 11
            aload 1 /* e */
            ifnull 11
         1: .line 75
            aload 0 /* this */
            getfield com.sun.javafx.collections.ElementObserver.elementsMap:Ljava/util/IdentityHashMap;
            aload 1 /* e */
            invokevirtual java.util.IdentityHashMap.containsKey:(Ljava/lang/Object;)Z
            ifeq 4
         2: .line 76
            aload 0 /* this */
            getfield com.sun.javafx.collections.ElementObserver.elementsMap:Ljava/util/IdentityHashMap;
            aload 1 /* e */
            invokevirtual java.util.IdentityHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.sun.javafx.collections.ElementObserver$ElementsMapElement
            invokevirtual com.sun.javafx.collections.ElementObserver$ElementsMapElement.increment:()V
         3: .line 77
            goto 11
         4: .line 78
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.sun.javafx.collections.ElementObserver.listenerGenerator:Ljavafx/util/Callback;
            aload 1 /* e */
            invokeinterface javafx.util.Callback.call:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javafx.beans.InvalidationListener
            astore 2 /* listener */
        start local 2 // javafx.beans.InvalidationListener listener
         5: .line 79
            aload 0 /* this */
            getfield com.sun.javafx.collections.ElementObserver.extractor:Ljavafx/util/Callback;
            aload 1 /* e */
            invokeinterface javafx.util.Callback.call:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javafx.beans.Observable[]
            dup
            astore 6
            arraylength
            istore 5
            iconst_0
            istore 4
            goto 9
      StackMap locals: com.sun.javafx.collections.ElementObserver java.lang.Object javafx.beans.InvalidationListener top int int javafx.beans.Observable[]
      StackMap stack:
         6: aload 6
            iload 4
            aaload
            astore 3 /* o */
        start local 3 // javafx.beans.Observable o
         7: .line 80
            aload 3 /* o */
            aload 2 /* listener */
            invokeinterface javafx.beans.Observable.addListener:(Ljavafx/beans/InvalidationListener;)V
        end local 3 // javafx.beans.Observable o
         8: .line 79
            iinc 4 1
      StackMap locals:
      StackMap stack:
         9: iload 4
            iload 5
            if_icmplt 6
        10: .line 82
            aload 0 /* this */
            getfield com.sun.javafx.collections.ElementObserver.elementsMap:Ljava/util/IdentityHashMap;
            aload 1 /* e */
            new com.sun.javafx.collections.ElementObserver$ElementsMapElement
            dup
            aload 2 /* listener */
            invokespecial com.sun.javafx.collections.ElementObserver$ElementsMapElement.<init>:(Ljavafx/beans/InvalidationListener;)V
            invokevirtual java.util.IdentityHashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 2 // javafx.beans.InvalidationListener listener
        11: .line 85
      StackMap locals: com.sun.javafx.collections.ElementObserver java.lang.Object
      StackMap stack:
            return
        end local 1 // java.lang.Object e
        end local 0 // com.sun.javafx.collections.ElementObserver this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   12     0      this  Lcom/sun/javafx/collections/ElementObserver<TE;>;
            0   12     1         e  TE;
            5   11     2  listener  Ljavafx/beans/InvalidationListener;
            7    8     3         o  Ljavafx/beans/Observable;
    Signature: (TE;)V
    MethodParameters:
      Name  Flags
      e     final

  void detachListener();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=7, args_size=2
        start local 0 // com.sun.javafx.collections.ElementObserver this
        start local 1 // java.lang.Object e
         0: .line 88
            aload 0 /* this */
            getfield com.sun.javafx.collections.ElementObserver.elementsMap:Ljava/util/IdentityHashMap;
            ifnull 9
            aload 1 /* e */
            ifnull 9
         1: .line 89
            aload 0 /* this */
            getfield com.sun.javafx.collections.ElementObserver.elementsMap:Ljava/util/IdentityHashMap;
            aload 1 /* e */
            invokevirtual java.util.IdentityHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.sun.javafx.collections.ElementObserver$ElementsMapElement
            astore 2 /* el */
        start local 2 // com.sun.javafx.collections.ElementObserver$ElementsMapElement el
         2: .line 90
            aload 0 /* this */
            getfield com.sun.javafx.collections.ElementObserver.extractor:Ljavafx/util/Callback;
            aload 1 /* e */
            invokeinterface javafx.util.Callback.call:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javafx.beans.Observable[]
            dup
            astore 6
            arraylength
            istore 5
            iconst_0
            istore 4
            goto 6
      StackMap locals: com.sun.javafx.collections.ElementObserver java.lang.Object com.sun.javafx.collections.ElementObserver$ElementsMapElement top int int javafx.beans.Observable[]
      StackMap stack:
         3: aload 6
            iload 4
            aaload
            astore 3 /* o */
        start local 3 // javafx.beans.Observable o
         4: .line 91
            aload 3 /* o */
            aload 2 /* el */
            invokevirtual com.sun.javafx.collections.ElementObserver$ElementsMapElement.getListener:()Ljavafx/beans/InvalidationListener;
            invokeinterface javafx.beans.Observable.removeListener:(Ljavafx/beans/InvalidationListener;)V
        end local 3 // javafx.beans.Observable o
         5: .line 90
            iinc 4 1
      StackMap locals:
      StackMap stack:
         6: iload 4
            iload 5
            if_icmplt 3
         7: .line 93
            aload 2 /* el */
            invokevirtual com.sun.javafx.collections.ElementObserver$ElementsMapElement.decrement:()I
            ifne 9
         8: .line 94
            aload 0 /* this */
            getfield com.sun.javafx.collections.ElementObserver.elementsMap:Ljava/util/IdentityHashMap;
            aload 1 /* e */
            invokevirtual java.util.IdentityHashMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 2 // com.sun.javafx.collections.ElementObserver$ElementsMapElement el
         9: .line 97
      StackMap locals: com.sun.javafx.collections.ElementObserver java.lang.Object
      StackMap stack:
            return
        end local 1 // java.lang.Object e
        end local 0 // com.sun.javafx.collections.ElementObserver this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lcom/sun/javafx/collections/ElementObserver<TE;>;
            0   10     1     e  TE;
            2    9     2    el  Lcom/sun/javafx/collections/ElementObserver$ElementsMapElement;
            4    5     3     o  Ljavafx/beans/Observable;
    Signature: (TE;)V
    MethodParameters:
      Name  Flags
      e     
}
Signature: <E:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "ElementObserver.java"
NestMembers:
  com.sun.javafx.collections.ElementObserver$ElementsMapElement
InnerClasses:
  private ElementsMapElement = com.sun.javafx.collections.ElementObserver$ElementsMapElement of com.sun.javafx.collections.ElementObserver