public class org.springframework.util.SimpleIdGenerator implements org.springframework.util.IdGenerator
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.springframework.util.SimpleIdGenerator
  super_class: java.lang.Object
{
  private final java.util.concurrent.atomic.AtomicLong mostSigBits;
    descriptor: Ljava/util/concurrent/atomic/AtomicLong;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.concurrent.atomic.AtomicLong leastSigBits;
    descriptor: Ljava/util/concurrent/atomic/AtomicLong;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.springframework.util.SimpleIdGenerator this
         0: .line 28
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 30
            aload 0 /* this */
            new java.util.concurrent.atomic.AtomicLong
            dup
            lconst_0
            invokespecial java.util.concurrent.atomic.AtomicLong.<init>:(J)V
            putfield org.springframework.util.SimpleIdGenerator.mostSigBits:Ljava/util/concurrent/atomic/AtomicLong;
         2: .line 32
            aload 0 /* this */
            new java.util.concurrent.atomic.AtomicLong
            dup
            lconst_0
            invokespecial java.util.concurrent.atomic.AtomicLong.<init>:(J)V
            putfield org.springframework.util.SimpleIdGenerator.leastSigBits:Ljava/util/concurrent/atomic/AtomicLong;
         3: .line 28
            return
        end local 0 // org.springframework.util.SimpleIdGenerator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/springframework/util/SimpleIdGenerator;

  public java.util.UUID generateId();
    descriptor: ()Ljava/util/UUID;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=3, args_size=1
        start local 0 // org.springframework.util.SimpleIdGenerator this
         0: .line 37
            aload 0 /* this */
            getfield org.springframework.util.SimpleIdGenerator.leastSigBits:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.incrementAndGet:()J
            lstore 1 /* leastSigBits */
        start local 1 // long leastSigBits
         1: .line 38
            lload 1 /* leastSigBits */
            lconst_0
            lcmp
            ifne 3
         2: .line 39
            aload 0 /* this */
            getfield org.springframework.util.SimpleIdGenerator.mostSigBits:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.incrementAndGet:()J
            pop2
         3: .line 41
      StackMap locals: long
      StackMap stack:
            new java.util.UUID
            dup
            aload 0 /* this */
            getfield org.springframework.util.SimpleIdGenerator.mostSigBits:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.get:()J
            lload 1 /* leastSigBits */
            invokespecial java.util.UUID.<init>:(JJ)V
            areturn
        end local 1 // long leastSigBits
        end local 0 // org.springframework.util.SimpleIdGenerator this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    4     0          this  Lorg/springframework/util/SimpleIdGenerator;
            1    4     1  leastSigBits  J
}
SourceFile: "SimpleIdGenerator.java"