public final class javafx.beans.WeakInvalidationListener implements javafx.beans.InvalidationListener, javafx.beans.WeakListener
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: javafx.beans.WeakInvalidationListener
  super_class: java.lang.Object
{
  private final java.lang.ref.WeakReference<javafx.beans.InvalidationListener> ref;
    descriptor: Ljava/lang/ref/WeakReference;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/lang/ref/WeakReference<Ljavafx/beans/InvalidationListener;>;

  public void <init>(javafx.beans.InvalidationListener);
    descriptor: (Ljavafx/beans/InvalidationListener;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // javafx.beans.WeakInvalidationListener this
        start local 1 // javafx.beans.InvalidationListener listener
         0: .line 61
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 62
            aload 1 /* listener */
            ifnonnull 3
         2: .line 63
            new java.lang.NullPointerException
            dup
            ldc "Listener must be specified."
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 65
      StackMap locals: javafx.beans.WeakInvalidationListener javafx.beans.InvalidationListener
      StackMap stack:
            aload 0 /* this */
            new java.lang.ref.WeakReference
            dup
            aload 1 /* listener */
            invokespecial java.lang.ref.WeakReference.<init>:(Ljava/lang/Object;)V
            putfield javafx.beans.WeakInvalidationListener.ref:Ljava/lang/ref/WeakReference;
         4: .line 66
            return
        end local 1 // javafx.beans.InvalidationListener listener
        end local 0 // javafx.beans.WeakInvalidationListener this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Ljavafx/beans/WeakInvalidationListener;
            0    5     1  listener  Ljavafx/beans/InvalidationListener;
    RuntimeVisibleParameterAnnotations: 
      0:
        javafx.beans.NamedArg(value = "listener")
    MethodParameters:
          Name  Flags
      listener  

  public boolean wasGarbageCollected();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // javafx.beans.WeakInvalidationListener this
         0: .line 73
            aload 0 /* this */
            getfield javafx.beans.WeakInvalidationListener.ref:Ljava/lang/ref/WeakReference;
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            ifnonnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // javafx.beans.WeakInvalidationListener this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljavafx/beans/WeakInvalidationListener;

  public void invalidated(javafx.beans.Observable);
    descriptor: (Ljavafx/beans/Observable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // javafx.beans.WeakInvalidationListener this
        start local 1 // javafx.beans.Observable observable
         0: .line 81
            aload 0 /* this */
            getfield javafx.beans.WeakInvalidationListener.ref:Ljava/lang/ref/WeakReference;
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            checkcast javafx.beans.InvalidationListener
            astore 2 /* listener */
        start local 2 // javafx.beans.InvalidationListener listener
         1: .line 82
            aload 2 /* listener */
            ifnull 4
         2: .line 83
            aload 2 /* listener */
            aload 1 /* observable */
            invokeinterface javafx.beans.InvalidationListener.invalidated:(Ljavafx/beans/Observable;)V
         3: .line 84
            goto 5
         4: .line 88
      StackMap locals: javafx.beans.InvalidationListener
      StackMap stack:
            aload 1 /* observable */
            aload 0 /* this */
            invokeinterface javafx.beans.Observable.removeListener:(Ljavafx/beans/InvalidationListener;)V
         5: .line 90
      StackMap locals:
      StackMap stack:
            return
        end local 2 // javafx.beans.InvalidationListener listener
        end local 1 // javafx.beans.Observable observable
        end local 0 // javafx.beans.WeakInvalidationListener this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0        this  Ljavafx/beans/WeakInvalidationListener;
            0    6     1  observable  Ljavafx/beans/Observable;
            1    6     2    listener  Ljavafx/beans/InvalidationListener;
    MethodParameters:
            Name  Flags
      observable  
}
SourceFile: "WeakInvalidationListener.java"