public class org.apache.cassandra.scheduler.RoundRobinScheduler implements org.apache.cassandra.scheduler.IRequestScheduler
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.apache.cassandra.scheduler.RoundRobinScheduler
super_class: java.lang.Object
{
private static final org.slf4j.Logger logger;
descriptor: Lorg/slf4j/Logger;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private final org.cliffc.high_scale_lib.NonBlockingHashMap<java.lang.String, org.apache.cassandra.scheduler.WeightedQueue> queues;
descriptor: Lorg/cliffc/high_scale_lib/NonBlockingHashMap;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
Signature: Lorg/cliffc/high_scale_lib/NonBlockingHashMap<Ljava/lang/String;Lorg/apache/cassandra/scheduler/WeightedQueue;>;
private final java.util.concurrent.Semaphore taskCount;
descriptor: Ljava/util/concurrent/Semaphore;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final java.util.concurrent.Semaphore queueSize;
descriptor: Ljava/util/concurrent/Semaphore;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final int defaultWeight;
descriptor: I
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final java.util.Map<java.lang.String, java.lang.Integer> weights;
descriptor: Ljava/util/Map;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
Signature: Ljava/util/Map<Ljava/lang/String;Ljava/lang/Integer;>;
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
invokestatic org.slf4j.LoggerFactory.getLogger:(Ljava/lang/Class;)Lorg/slf4j/Logger;
putstatic org.apache.cassandra.scheduler.RoundRobinScheduler.logger:Lorg/slf4j/Logger;
return
LocalVariableTable:
Start End Slot Name Signature
public void <init>(org.apache.cassandra.config.RequestSchedulerOptions);
descriptor: (Lorg/apache/cassandra/config/RequestSchedulerOptions;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=4, args_size=2
start local 0 start local 1 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
new java.util.concurrent.Semaphore
dup
iconst_0
iconst_0
invokespecial java.util.concurrent.Semaphore.<init>:(IZ)V
putfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
2: aload 0
aload 1
getfield org.apache.cassandra.config.RequestSchedulerOptions.default_weight:Ljava/lang/Integer;
invokevirtual java.lang.Integer.intValue:()I
putfield org.apache.cassandra.scheduler.RoundRobinScheduler.defaultWeight:I
3: aload 0
aload 1
getfield org.apache.cassandra.config.RequestSchedulerOptions.weights:Ljava/util/Map;
putfield org.apache.cassandra.scheduler.RoundRobinScheduler.weights:Ljava/util/Map;
4: aload 0
new java.util.concurrent.Semaphore
dup
aload 1
getfield org.apache.cassandra.config.RequestSchedulerOptions.throttle_limit:Ljava/lang/Integer;
invokevirtual java.lang.Integer.intValue:()I
iconst_1
isub
invokespecial java.util.concurrent.Semaphore.<init>:(I)V
putfield org.apache.cassandra.scheduler.RoundRobinScheduler.taskCount:Ljava/util/concurrent/Semaphore;
5: aload 0
new org.cliffc.high_scale_lib.NonBlockingHashMap
dup
invokespecial org.cliffc.high_scale_lib.NonBlockingHashMap.<init>:()V
putfield org.apache.cassandra.scheduler.RoundRobinScheduler.queues:Lorg/cliffc/high_scale_lib/NonBlockingHashMap;
6: aload 0
invokedynamic run(Lorg/apache/cassandra/scheduler/RoundRobinScheduler;)Ljava/lang/Runnable;
Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
Method arguments:
()V
org/apache/cassandra/scheduler/RoundRobinScheduler.lambda$0()V (7)
()V
astore 2
start local 2 7: aload 2
ldc "REQUEST-SCHEDULER"
invokestatic org.apache.cassandra.concurrent.NamedThreadFactory.createThread:(Ljava/lang/Runnable;Ljava/lang/String;)Ljava/lang/Thread;
astore 3
start local 3 8: aload 3
invokevirtual java.lang.Thread.start:()V
9: getstatic org.apache.cassandra.scheduler.RoundRobinScheduler.logger:Lorg/slf4j/Logger;
ldc "Started the RoundRobin Request Scheduler"
invokeinterface org.slf4j.Logger.info:(Ljava/lang/String;)V
10: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 11 0 this Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
0 11 1 options Lorg/apache/cassandra/config/RequestSchedulerOptions;
7 11 2 runnable Ljava/lang/Runnable;
8 11 3 scheduler Ljava/lang/Thread;
MethodParameters:
Name Flags
options
public void queue(java.lang.Thread, java.lang.String, long);
descriptor: (Ljava/lang/Thread;Ljava/lang/String;J)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=7, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
aload 2
invokevirtual org.apache.cassandra.scheduler.RoundRobinScheduler.getWeightedQueue:(Ljava/lang/String;)Lorg/apache/cassandra/scheduler/WeightedQueue;
astore 5
start local 5 1: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.release:()V
2: aload 5
aload 1
lload 3
invokevirtual org.apache.cassandra.scheduler.WeightedQueue.put:(Ljava/lang/Thread;J)V
3: goto 9
4: StackMap locals: org.apache.cassandra.scheduler.RoundRobinScheduler java.lang.Thread java.lang.String long org.apache.cassandra.scheduler.WeightedQueue
StackMap stack: java.lang.Exception
astore 6
start local 6 5: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.acquireUninterruptibly:()V
6: aload 6
athrow
end local 6 7: StackMap locals:
StackMap stack: java.lang.InterruptedException
astore 6
start local 6 8: new java.lang.RuntimeException
dup
ldc "Interrupted while queueing requests"
aload 6
invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
athrow
end local 6 9: StackMap locals:
StackMap stack:
return
end local 5 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 10 0 this Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
0 10 1 t Ljava/lang/Thread;
0 10 2 id Ljava/lang/String;
0 10 3 timeoutMS J
1 10 5 weightedQueue Lorg/apache/cassandra/scheduler/WeightedQueue;
5 7 6 e Ljava/lang/Exception;
8 9 6 e Ljava/lang/InterruptedException;
Exception table:
from to target type
2 3 4 Class java.util.concurrent.TimeoutException
2 3 4 Class java.lang.InterruptedException
1 7 7 Class java.lang.InterruptedException
Exceptions:
throws java.util.concurrent.TimeoutException
MethodParameters:
Name Flags
t
id
timeoutMS
public void release();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.taskCount:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.release:()V
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
private void schedule();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=6, args_size=1
start local 0 0: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.acquireUninterruptibly:()V
1: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queues:Lorg/cliffc/high_scale_lib/NonBlockingHashMap;
invokevirtual org.cliffc.high_scale_lib.NonBlockingHashMap.entrySet:()Ljava/util/Set;
invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
astore 2
goto 13
StackMap locals: org.apache.cassandra.scheduler.RoundRobinScheduler top java.util.Iterator
StackMap stack:
2: aload 2
invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
checkcast java.util.Map$Entry
astore 1
start local 1 3: aload 1
invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
checkcast org.apache.cassandra.scheduler.WeightedQueue
astore 3
start local 3 4: iconst_0
istore 4
start local 4 5: goto 12
6: StackMap locals: org.apache.cassandra.scheduler.RoundRobinScheduler java.util.Map$Entry java.util.Iterator org.apache.cassandra.scheduler.WeightedQueue int
StackMap stack:
aload 3
invokevirtual org.apache.cassandra.scheduler.WeightedQueue.poll:()Ljava/lang/Thread;
astore 5
start local 5 7: aload 5
ifnonnull 9
8: goto 13
9: StackMap locals: java.lang.Thread
StackMap stack:
aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.taskCount:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.acquireUninterruptibly:()V
10: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.acquireUninterruptibly:()V
end local 5 11: iinc 4 1
StackMap locals:
StackMap stack:
12: iload 4
aload 3
getfield org.apache.cassandra.scheduler.WeightedQueue.weight:I
if_icmplt 6
end local 4 end local 3 end local 1 13: StackMap locals: org.apache.cassandra.scheduler.RoundRobinScheduler top java.util.Iterator
StackMap stack:
aload 2
invokeinterface java.util.Iterator.hasNext:()Z
ifne 2
14: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queueSize:Ljava/util/concurrent/Semaphore;
invokevirtual java.util.concurrent.Semaphore.release:()V
15: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 16 0 this Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
3 13 1 request Ljava/util/Map$Entry<Ljava/lang/String;Lorg/apache/cassandra/scheduler/WeightedQueue;>;
4 13 3 queue Lorg/apache/cassandra/scheduler/WeightedQueue;
5 13 4 i I
7 11 5 t Ljava/lang/Thread;
private org.apache.cassandra.scheduler.WeightedQueue getWeightedQueue(java.lang.String);
descriptor: (Ljava/lang/String;)Lorg/apache/cassandra/scheduler/WeightedQueue;
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=4, args_size=2
start local 0 start local 1 0: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queues:Lorg/cliffc/high_scale_lib/NonBlockingHashMap;
aload 1
invokevirtual org.cliffc.high_scale_lib.NonBlockingHashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
checkcast org.apache.cassandra.scheduler.WeightedQueue
astore 2
start local 2 1: aload 2
ifnull 3
2: aload 2
areturn
3: StackMap locals: org.apache.cassandra.scheduler.WeightedQueue
StackMap stack:
new org.apache.cassandra.scheduler.WeightedQueue
dup
aload 1
aload 0
aload 1
invokevirtual org.apache.cassandra.scheduler.RoundRobinScheduler.getWeight:(Ljava/lang/String;)I
invokespecial org.apache.cassandra.scheduler.WeightedQueue.<init>:(Ljava/lang/String;I)V
astore 3
start local 3 4: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.queues:Lorg/cliffc/high_scale_lib/NonBlockingHashMap;
aload 1
aload 3
invokevirtual org.cliffc.high_scale_lib.NonBlockingHashMap.putIfAbsent:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
checkcast org.apache.cassandra.scheduler.WeightedQueue
astore 2
5: aload 2
ifnonnull 7
6: aload 3
areturn
7: StackMap locals: org.apache.cassandra.scheduler.WeightedQueue
StackMap stack:
aload 2
areturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
0 8 1 id Ljava/lang/String;
1 8 2 weightedQueue Lorg/apache/cassandra/scheduler/WeightedQueue;
4 8 3 maybenew Lorg/apache/cassandra/scheduler/WeightedQueue;
MethodParameters:
Name Flags
id
java.util.concurrent.Semaphore getTaskCount();
descriptor: ()Ljava/util/concurrent/Semaphore;
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.taskCount:Ljava/util/concurrent/Semaphore;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
private int getWeight(java.lang.String);
descriptor: (Ljava/lang/String;)I
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.weights:Ljava/util/Map;
ifnull 2
aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.weights:Ljava/util/Map;
aload 1
invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
ifeq 2
1: aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.weights:Ljava/util/Map;
aload 1
invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
checkcast java.lang.Integer
invokevirtual java.lang.Integer.intValue:()I
goto 3
2: StackMap locals:
StackMap stack:
aload 0
getfield org.apache.cassandra.scheduler.RoundRobinScheduler.defaultWeight:I
3: StackMap locals:
StackMap stack: int
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
0 4 1 weightingVar Ljava/lang/String;
MethodParameters:
Name Flags
weightingVar
private void lambda$0();
descriptor: ()V
flags: (0x1002) ACC_PRIVATE, ACC_SYNTHETIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: StackMap locals:
StackMap stack:
aload 0
invokevirtual org.apache.cassandra.scheduler.RoundRobinScheduler.schedule:()V
1: goto 0
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lorg/apache/cassandra/scheduler/RoundRobinScheduler;
}
SourceFile: "RoundRobinScheduler.java"
InnerClasses:
public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
public abstract Entry = java.util.Map$Entry of java.util.Map