public final class org.apache.logging.log4j.core.util.CachedClock implements org.apache.logging.log4j.core.util.Clock
minor version: 0
major version: 59
flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
this_class: org.apache.logging.log4j.core.util.CachedClock
super_class: java.lang.Object
{
private static final int UPDATE_THRESHOLD;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 1000
private static volatile org.apache.logging.log4j.core.util.CachedClock instance;
descriptor: Lorg/apache/logging/log4j/core/util/CachedClock;
flags: (0x004a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE
private static final java.lang.Object INSTANCE_LOCK;
descriptor: Ljava/lang/Object;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private volatile long millis;
descriptor: J
flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE
private short count;
descriptor: S
flags: (0x0002) ACC_PRIVATE
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=0, args_size=0
0: new java.lang.Object
dup
invokespecial java.lang.Object.<init>:()V
putstatic org.apache.logging.log4j.core.util.CachedClock.INSTANCE_LOCK:Ljava/lang/Object;
return
LocalVariableTable:
Start End Slot Name Signature
private void <init>();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=2, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
invokestatic java.lang.System.currentTimeMillis:()J
putfield org.apache.logging.log4j.core.util.CachedClock.millis:J
2: aload 0
iconst_0
putfield org.apache.logging.log4j.core.util.CachedClock.count:S
3: new org.apache.logging.log4j.core.util.Log4jThread
dup
new org.apache.logging.log4j.core.util.CachedClock$1
dup
aload 0
invokespecial org.apache.logging.log4j.core.util.CachedClock$1.<init>:(Lorg/apache/logging/log4j/core/util/CachedClock;)V
4: ldc "CachedClock Updater Thread"
5: invokespecial org.apache.logging.log4j.core.util.Log4jThread.<init>:(Ljava/lang/Runnable;Ljava/lang/String;)V
astore 1
start local 1 6: aload 1
iconst_1
invokevirtual java.lang.Thread.setDaemon:(Z)V
7: aload 1
invokevirtual java.lang.Thread.start:()V
8: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lorg/apache/logging/log4j/core/util/CachedClock;
6 9 1 updater Ljava/lang/Thread;
public static org.apache.logging.log4j.core.util.CachedClock instance();
descriptor: ()Lorg/apache/logging/log4j/core/util/CachedClock;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=2, args_size=0
0: getstatic org.apache.logging.log4j.core.util.CachedClock.instance:Lorg/apache/logging/log4j/core/util/CachedClock;
astore 0
start local 0 1: aload 0
ifnonnull 10
2: getstatic org.apache.logging.log4j.core.util.CachedClock.INSTANCE_LOCK:Ljava/lang/Object;
dup
astore 1
monitorenter
3: getstatic org.apache.logging.log4j.core.util.CachedClock.instance:Lorg/apache/logging/log4j/core/util/CachedClock;
astore 0
4: aload 0
ifnonnull 6
5: new org.apache.logging.log4j.core.util.CachedClock
dup
invokespecial org.apache.logging.log4j.core.util.CachedClock.<init>:()V
dup
astore 0
putstatic org.apache.logging.log4j.core.util.CachedClock.instance:Lorg/apache/logging/log4j/core/util/CachedClock;
6: StackMap locals: org.apache.logging.log4j.core.util.CachedClock java.lang.Object
StackMap stack:
aload 1
monitorexit
7: goto 10
StackMap locals:
StackMap stack: java.lang.Throwable
8: aload 1
monitorexit
9: athrow
10: StackMap locals:
StackMap stack:
aload 0
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
1 11 0 result Lorg/apache/logging/log4j/core/util/CachedClock;
Exception table:
from to target type
3 7 8 any
8 9 8 any
public long currentTimeMillis();
descriptor: ()J
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: aload 0
dup
getfield org.apache.logging.log4j.core.util.CachedClock.count:S
iconst_1
iadd
i2s
dup_x1
putfield org.apache.logging.log4j.core.util.CachedClock.count:S
sipush 1000
if_icmple 3
1: aload 0
invokestatic java.lang.System.currentTimeMillis:()J
putfield org.apache.logging.log4j.core.util.CachedClock.millis:J
2: aload 0
iconst_0
putfield org.apache.logging.log4j.core.util.CachedClock.count:S
3: StackMap locals:
StackMap stack:
aload 0
getfield org.apache.logging.log4j.core.util.CachedClock.millis:J
lreturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lorg/apache/logging/log4j/core/util/CachedClock;
}
SourceFile: "CachedClock.java"
NestMembers:
org.apache.logging.log4j.core.util.CachedClock$1
InnerClasses:
org.apache.logging.log4j.core.util.CachedClock$1