public class org.apache.cassandra.utils.concurrent.IntervalLock extends java.util.concurrent.locks.ReentrantReadWriteLock
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.cassandra.utils.concurrent.IntervalLock
  super_class: java.util.concurrent.locks.ReentrantReadWriteLock
{
  private final java.util.concurrent.atomic.AtomicLong lastAcquire;
    descriptor: Ljava/util/concurrent/atomic/AtomicLong;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.cassandra.utils.TimeSource timeSource;
    descriptor: Lorg/apache/cassandra/utils/TimeSource;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(org.apache.cassandra.utils.TimeSource);
    descriptor: (Lorg/apache/cassandra/utils/TimeSource;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.cassandra.utils.concurrent.IntervalLock this
        start local 1 // org.apache.cassandra.utils.TimeSource timeSource
         0: .line 35
            aload 0 /* this */
            invokespecial java.util.concurrent.locks.ReentrantReadWriteLock.<init>:()V
         1: .line 32
            aload 0 /* this */
            new java.util.concurrent.atomic.AtomicLong
            dup
            invokespecial java.util.concurrent.atomic.AtomicLong.<init>:()V
            putfield org.apache.cassandra.utils.concurrent.IntervalLock.lastAcquire:Ljava/util/concurrent/atomic/AtomicLong;
         2: .line 37
            aload 0 /* this */
            aload 1 /* timeSource */
            putfield org.apache.cassandra.utils.concurrent.IntervalLock.timeSource:Lorg/apache/cassandra/utils/TimeSource;
         3: .line 38
            return
        end local 1 // org.apache.cassandra.utils.TimeSource timeSource
        end local 0 // org.apache.cassandra.utils.concurrent.IntervalLock this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    4     0        this  Lorg/apache/cassandra/utils/concurrent/IntervalLock;
            0    4     1  timeSource  Lorg/apache/cassandra/utils/TimeSource;
    MethodParameters:
            Name  Flags
      timeSource  

  public boolean tryIntervalLock(long);
    descriptor: (J)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=2
        start local 0 // org.apache.cassandra.utils.concurrent.IntervalLock this
        start local 1 // long interval
         0: .line 48
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.IntervalLock.timeSource:Lorg/apache/cassandra/utils/TimeSource;
            invokeinterface org.apache.cassandra.utils.TimeSource.currentTimeMillis:()J
            lstore 3 /* now */
        start local 3 // long now
         1: .line 49
            lload 3 /* now */
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.IntervalLock.lastAcquire:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.get:()J
            lsub
            lload 1 /* interval */
            lcmp
            iflt 2
            aload 0 /* this */
            invokevirtual org.apache.cassandra.utils.concurrent.IntervalLock.writeLock:()Ljava/util/concurrent/locks/ReentrantReadWriteLock$WriteLock;
            invokevirtual java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.tryLock:()Z
            ifeq 2
            iconst_1
            goto 3
      StackMap locals: long
      StackMap stack:
         2: iconst_0
      StackMap locals:
      StackMap stack: int
         3: istore 5 /* acquired */
        start local 5 // boolean acquired
         4: .line 50
            iload 5 /* acquired */
            ifeq 6
         5: .line 51
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.IntervalLock.lastAcquire:Ljava/util/concurrent/atomic/AtomicLong;
            lload 3 /* now */
            invokevirtual java.util.concurrent.atomic.AtomicLong.set:(J)V
         6: .line 53
      StackMap locals: int
      StackMap stack:
            iload 5 /* acquired */
            ireturn
        end local 5 // boolean acquired
        end local 3 // long now
        end local 1 // long interval
        end local 0 // org.apache.cassandra.utils.concurrent.IntervalLock this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Lorg/apache/cassandra/utils/concurrent/IntervalLock;
            0    7     1  interval  J
            1    7     3       now  J
            4    7     5  acquired  Z
    MethodParameters:
          Name  Flags
      interval  

  public void releaseIntervalLock();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.IntervalLock this
         0: .line 61
            aload 0 /* this */
            invokevirtual org.apache.cassandra.utils.concurrent.IntervalLock.writeLock:()Ljava/util/concurrent/locks/ReentrantReadWriteLock$WriteLock;
            invokevirtual java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.unlock:()V
         1: .line 62
            return
        end local 0 // org.apache.cassandra.utils.concurrent.IntervalLock this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/utils/concurrent/IntervalLock;

  public long getLastIntervalAcquire();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.IntervalLock this
         0: .line 67
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.IntervalLock.lastAcquire:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.get:()J
            lreturn
        end local 0 // org.apache.cassandra.utils.concurrent.IntervalLock this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/utils/concurrent/IntervalLock;
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.VisibleForTesting()
    RuntimeInvisibleTypeAnnotations: 
      METHOD_RETURN
        com.google.common.annotations.VisibleForTesting()
}
SourceFile: "IntervalLock.java"
InnerClasses:
  public WriteLock = java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock of java.util.concurrent.locks.ReentrantReadWriteLock