org.apache.cassandra/cassandra-all/3.11.5 : org/apache/cassandra/cache/RefCountedMemory.class

RefCountedMemory

https://cassandra.apache.org: The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.

The Apache Software License, Version 2.0

Andres de la Peña
Avinash Lakshman
Aleksey Yeschenko
Aaron Morton
Ariel Weisberg
Blake Eggleston
Benedict Elliott Smith
Benjamin Lerer
Branimir Lambov
Brandon Williams
Carl Yeksigian
David Brosiusd
Dikang Gu
Eric Evans
Gary Dusbabek
Chris Goffinet
Alex Petrov
Laine Jaakko Olavi
T Jake Luciani
Jason Brown
Jonathan Ellis
Jake Farrell
Jeff Jirsa
Joel Knighton
Josh McKenzie
Johan Oskarsson
Jun Rao
Jay Zhuang
Sankalp Kohli
Marcus Eriksson
Michael Semb Wever
Mikhail Stepura
Michael Shuler
Paulo Motta
Prashant Malik
Robert Stupp
Peter Schuller
Sam Tunnicliffe
Sylvain Lebresne
Stefania Alborghetti
Tyler Hobbs
Vijay Parthasarathy
Pavel Yaskevich
Yuki Morishita
Nate McCall

public class org.apache.cassandra.cache.RefCountedMemory extends org.apache.cassandra.io.util.Memory implements java.lang.AutoCloseable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.cassandra.cache.RefCountedMemory
  super_class: org.apache.cassandra.io.util.Memory
{
  private volatile int references;
    descriptor: I
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private static final java.util.concurrent.atomic.AtomicIntegerFieldUpdater<org.apache.cassandra.cache.RefCountedMemory> UPDATER;
    descriptor: Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater<Lorg/apache/cassandra/cache/RefCountedMemory;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 27
            ldc Lorg/apache/cassandra/cache/RefCountedMemory;
            ldc "references"
            invokestatic java.util.concurrent.atomic.AtomicIntegerFieldUpdater.newUpdater:(Ljava/lang/Class;Ljava/lang/String;)Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            putstatic org.apache.cassandra.cache.RefCountedMemory.UPDATER:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(long);
    descriptor: (J)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.apache.cassandra.cache.RefCountedMemory this
        start local 1 // long size
         0: .line 31
            aload 0 /* this */
            lload 1 /* size */
            invokespecial org.apache.cassandra.io.util.Memory.<init>:(J)V
         1: .line 26
            aload 0 /* this */
            iconst_1
            putfield org.apache.cassandra.cache.RefCountedMemory.references:I
         2: .line 32
            return
        end local 1 // long size
        end local 0 // org.apache.cassandra.cache.RefCountedMemory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/cassandra/cache/RefCountedMemory;
            0    3     1  size  J
    MethodParameters:
      Name  Flags
      size  

  public boolean reference();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // org.apache.cassandra.cache.RefCountedMemory this
         0: .line 42
      StackMap locals:
      StackMap stack:
            getstatic org.apache.cassandra.cache.RefCountedMemory.UPDATER:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            aload 0 /* this */
            invokevirtual java.util.concurrent.atomic.AtomicIntegerFieldUpdater.get:(Ljava/lang/Object;)I
            istore 1 /* n */
        start local 1 // int n
         1: .line 43
            iload 1 /* n */
            ifgt 3
         2: .line 44
            iconst_0
            ireturn
         3: .line 45
      StackMap locals: int
      StackMap stack:
            getstatic org.apache.cassandra.cache.RefCountedMemory.UPDATER:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            aload 0 /* this */
            iload 1 /* n */
            iload 1 /* n */
            iconst_1
            iadd
            invokevirtual java.util.concurrent.atomic.AtomicIntegerFieldUpdater.compareAndSet:(Ljava/lang/Object;II)Z
            ifeq 0
         4: .line 46
            iconst_1
            ireturn
        end local 1 // int n
        end local 0 // org.apache.cassandra.cache.RefCountedMemory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/cassandra/cache/RefCountedMemory;
            1    5     1     n  I

  public void unreference();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.cassandra.cache.RefCountedMemory this
         0: .line 53
            getstatic org.apache.cassandra.cache.RefCountedMemory.UPDATER:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            aload 0 /* this */
            invokevirtual java.util.concurrent.atomic.AtomicIntegerFieldUpdater.decrementAndGet:(Ljava/lang/Object;)I
            ifne 2
         1: .line 54
            aload 0 /* this */
            invokespecial org.apache.cassandra.io.util.Memory.free:()V
         2: .line 55
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.cassandra.cache.RefCountedMemory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/cassandra/cache/RefCountedMemory;

  public org.apache.cassandra.cache.RefCountedMemory copy(long);
    descriptor: (J)Lorg/apache/cassandra/cache/RefCountedMemory;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=10, locals=4, args_size=2
        start local 0 // org.apache.cassandra.cache.RefCountedMemory this
        start local 1 // long newSize
         0: .line 59
            new org.apache.cassandra.cache.RefCountedMemory
            dup
            lload 1 /* newSize */
            invokespecial org.apache.cassandra.cache.RefCountedMemory.<init>:(J)V
            astore 3 /* copy */
        start local 3 // org.apache.cassandra.cache.RefCountedMemory copy
         1: .line 60
            aload 3 /* copy */
            lconst_0
            aload 0 /* this */
            lconst_0
            aload 0 /* this */
            invokevirtual org.apache.cassandra.cache.RefCountedMemory.size:()J
            lload 1 /* newSize */
            invokestatic java.lang.Math.min:(JJ)J
            invokevirtual org.apache.cassandra.cache.RefCountedMemory.put:(JLorg/apache/cassandra/io/util/Memory;JJ)V
         2: .line 61
            aload 3 /* copy */
            areturn
        end local 3 // org.apache.cassandra.cache.RefCountedMemory copy
        end local 1 // long newSize
        end local 0 // org.apache.cassandra.cache.RefCountedMemory this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0     this  Lorg/apache/cassandra/cache/RefCountedMemory;
            0    3     1  newSize  J
            1    3     3     copy  Lorg/apache/cassandra/cache/RefCountedMemory;
    MethodParameters:
         Name  Flags
      newSize  

  public void free();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.cassandra.cache.RefCountedMemory this
         0: .line 66
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        end local 0 // org.apache.cassandra.cache.RefCountedMemory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/cache/RefCountedMemory;

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.cache.RefCountedMemory this
         0: .line 71
            aload 0 /* this */
            invokevirtual org.apache.cassandra.cache.RefCountedMemory.unreference:()V
         1: .line 72
            return
        end local 0 // org.apache.cassandra.cache.RefCountedMemory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/cache/RefCountedMemory;

  public org.apache.cassandra.io.util.Memory copy(long);
    descriptor: (J)Lorg/apache/cassandra/io/util/Memory;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=2
         0: .line 1
            aload 0
            lload 1
            invokevirtual org.apache.cassandra.cache.RefCountedMemory.copy:(J)Lorg/apache/cassandra/cache/RefCountedMemory;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "RefCountedMemory.java"

/

org.apache.cassandra/ cassandra-all/ 3.11.5/ org/apache/cassandra/cache/RefCountedMemory.class