public class org.springframework.util.CompositeIterator<E> implements java.util.Iterator<E>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.springframework.util.CompositeIterator
  super_class: java.lang.Object
{
  private final java.util.Set<java.util.Iterator<E>> iterators;
    descriptor: Ljava/util/Set;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Set<Ljava/util/Iterator<TE;>;>;

  private boolean inUse;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.springframework.util.CompositeIterator this
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 38
            aload 0 /* this */
            new java.util.LinkedHashSet
            dup
            invokespecial java.util.LinkedHashSet.<init>:()V
            putfield org.springframework.util.CompositeIterator.iterators:Ljava/util/Set;
         2: .line 40
            aload 0 /* this */
            iconst_0
            putfield org.springframework.util.CompositeIterator.inUse:Z
         3: .line 36
            return
        end local 0 // org.springframework.util.CompositeIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/springframework/util/CompositeIterator<TE;>;

  public void add(java.util.Iterator<E>);
    descriptor: (Ljava/util/Iterator;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.springframework.util.CompositeIterator this
        start local 1 // java.util.Iterator iterator
         0: .line 47
            aload 0 /* this */
            getfield org.springframework.util.CompositeIterator.inUse:Z
            ifeq 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
      StackMap locals:
      StackMap stack: int
         2: ldc "You can no longer add iterators to a composite iterator that's already in use"
            invokestatic org.springframework.util.Assert.state:(ZLjava/lang/String;)V
         3: .line 48
            aload 0 /* this */
            getfield org.springframework.util.CompositeIterator.iterators:Ljava/util/Set;
            aload 1 /* iterator */
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifeq 5
         4: .line 49
            new java.lang.IllegalArgumentException
            dup
            ldc "You cannot add the same iterator twice"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 51
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.springframework.util.CompositeIterator.iterators:Ljava/util/Set;
            aload 1 /* iterator */
            invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
            pop
         6: .line 52
            return
        end local 1 // java.util.Iterator iterator
        end local 0 // org.springframework.util.CompositeIterator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Lorg/springframework/util/CompositeIterator<TE;>;
            0    7     1  iterator  Ljava/util/Iterator<TE;>;
    Signature: (Ljava/util/Iterator<TE;>;)V
    MethodParameters:
          Name  Flags
      iterator  

  public boolean hasNext();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // org.springframework.util.CompositeIterator this
         0: .line 56
            aload 0 /* this */
            iconst_1
            putfield org.springframework.util.CompositeIterator.inUse:Z
         1: .line 57
            aload 0 /* this */
            getfield org.springframework.util.CompositeIterator.iterators:Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 2
            goto 5
      StackMap locals: org.springframework.util.CompositeIterator top java.util.Iterator
      StackMap stack:
         2: aload 2
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Iterator
            astore 1 /* iterator */
        start local 1 // java.util.Iterator iterator
         3: .line 58
            aload 1 /* iterator */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifeq 5
         4: .line 59
            iconst_1
            ireturn
        end local 1 // java.util.Iterator iterator
         5: .line 57
      StackMap locals:
      StackMap stack:
            aload 2
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         6: .line 62
            iconst_0
            ireturn
        end local 0 // org.springframework.util.CompositeIterator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Lorg/springframework/util/CompositeIterator<TE;>;
            3    5     1  iterator  Ljava/util/Iterator<TE;>;

  public E next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // org.springframework.util.CompositeIterator this
         0: .line 67
            aload 0 /* this */
            iconst_1
            putfield org.springframework.util.CompositeIterator.inUse:Z
         1: .line 68
            aload 0 /* this */
            getfield org.springframework.util.CompositeIterator.iterators:Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 2
            goto 5
      StackMap locals: org.springframework.util.CompositeIterator top java.util.Iterator
      StackMap stack:
         2: aload 2
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Iterator
            astore 1 /* iterator */
        start local 1 // java.util.Iterator iterator
         3: .line 69
            aload 1 /* iterator */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifeq 5
         4: .line 70
            aload 1 /* iterator */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            areturn
        end local 1 // java.util.Iterator iterator
         5: .line 68
      StackMap locals:
      StackMap stack:
            aload 2
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         6: .line 73
            new java.util.NoSuchElementException
            dup
            ldc "All iterators exhausted"
            invokespecial java.util.NoSuchElementException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // org.springframework.util.CompositeIterator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Lorg/springframework/util/CompositeIterator<TE;>;
            3    5     1  iterator  Ljava/util/Iterator<TE;>;
    Signature: ()TE;

  public void remove();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.springframework.util.CompositeIterator this
         0: .line 78
            new java.lang.UnsupportedOperationException
            dup
            ldc "CompositeIterator does not support remove()"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // org.springframework.util.CompositeIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/util/CompositeIterator<TE;>;
}
Signature: <E:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Iterator<TE;>;
SourceFile: "CompositeIterator.java"