public final class org.apache.cassandra.utils.WindowsTimer
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.apache.cassandra.utils.WindowsTimer
  super_class: java.lang.Object
{
  private static final org.slf4j.Logger logger;
    descriptor: Lorg/slf4j/Logger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 27
            ldc Lorg/apache/cassandra/utils/WindowsTimer;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic org.apache.cassandra.utils.WindowsTimer.$assertionsDisabled:Z
         3: .line 29
            ldc Lorg/apache/cassandra/utils/WindowsTimer;
            invokestatic org.slf4j.LoggerFactory.getLogger:(Ljava/lang/Class;)Lorg/slf4j/Logger;
            putstatic org.apache.cassandra.utils.WindowsTimer.logger:Lorg/slf4j/Logger;
         4: .line 35
            ldc "winmm"
            invokestatic com.sun.jna.Native.register:(Ljava/lang/String;)V
         5: .line 36
            goto 10
         6: .line 37
      StackMap locals:
      StackMap stack: java.lang.NoClassDefFoundError
            pop
         7: .line 39
            getstatic org.apache.cassandra.utils.WindowsTimer.logger:Lorg/slf4j/Logger;
            ldc "JNA not found. winmm.dll cannot be registered. Performance will be negatively impacted on this node."
            invokeinterface org.slf4j.Logger.warn:(Ljava/lang/String;)V
            goto 10
         8: .line 41
      StackMap locals:
      StackMap stack: java.lang.Exception
            pop
         9: .line 43
            getstatic org.apache.cassandra.utils.WindowsTimer.logger:Lorg/slf4j/Logger;
            ldc "Failed to register winmm.dll. Performance will be negatively impacted on this node."
            invokeinterface org.slf4j.Logger.error:(Ljava/lang/String;)V
        10: .line 45
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           4     5       6  Class java.lang.NoClassDefFoundError
           4     5       8  Class java.lang.Exception

  private static native int timeBeginPeriod(int);
    descriptor: (I)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    Exceptions:
      throws com.sun.jna.LastErrorException
    MethodParameters:
        Name  Flags
      period  

  private static native int timeEndPeriod(int);
    descriptor: (I)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    Exceptions:
      throws com.sun.jna.LastErrorException
    MethodParameters:
        Name  Flags
      period  

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.WindowsTimer this
         0: .line 50
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.cassandra.utils.WindowsTimer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/utils/WindowsTimer;

  public static void startTimerPeriod(int);
    descriptor: (I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // int period
         0: .line 54
            iload 0 /* period */
            ifne 2
         1: .line 55
            return
         2: .line 56
      StackMap locals:
      StackMap stack:
            getstatic org.apache.cassandra.utils.WindowsTimer.$assertionsDisabled:Z
            ifne 3
            iload 0 /* period */
            ifgt 3
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         3: .line 57
      StackMap locals:
      StackMap stack:
            iload 0 /* period */
            invokestatic org.apache.cassandra.utils.WindowsTimer.timeBeginPeriod:(I)I
            ifeq 5
         4: .line 58
            getstatic org.apache.cassandra.utils.WindowsTimer.logger:Lorg/slf4j/Logger;
            ldc "Failed to set timer to : {}. Performance will be degraded."
            iload 0 /* period */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface org.slf4j.Logger.warn:(Ljava/lang/String;Ljava/lang/Object;)V
         5: .line 59
      StackMap locals:
      StackMap stack:
            return
        end local 0 // int period
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0  period  I
    MethodParameters:
        Name  Flags
      period  

  public static void endTimerPeriod(int);
    descriptor: (I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // int period
         0: .line 63
            iload 0 /* period */
            ifne 2
         1: .line 64
            return
         2: .line 65
      StackMap locals:
      StackMap stack:
            getstatic org.apache.cassandra.utils.WindowsTimer.$assertionsDisabled:Z
            ifne 3
            iload 0 /* period */
            ifgt 3
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         3: .line 66
      StackMap locals:
      StackMap stack:
            iload 0 /* period */
            invokestatic org.apache.cassandra.utils.WindowsTimer.timeEndPeriod:(I)I
            ifeq 5
         4: .line 67
            getstatic org.apache.cassandra.utils.WindowsTimer.logger:Lorg/slf4j/Logger;
            ldc "Failed to end accelerated timer period. System timer will remain set to: {} ms."
            iload 0 /* period */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface org.slf4j.Logger.warn:(Ljava/lang/String;Ljava/lang/Object;)V
         5: .line 68
      StackMap locals:
      StackMap stack:
            return
        end local 0 // int period
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0  period  I
    MethodParameters:
        Name  Flags
      period  
}
SourceFile: "WindowsTimer.java"