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.
  • 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.utils.concurrent.Accumulator<E> implements java.lang.Iterable<E>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.cassandra.utils.concurrent.Accumulator
  super_class: java.lang.Object
{
  private volatile int nextIndex;
    descriptor: I
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private volatile int presentCount;
    descriptor: I
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private final java.lang.Object[] values;
    descriptor: [Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

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

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 35
            ldc Lorg/apache/cassandra/utils/concurrent/Accumulator;
            ldc "nextIndex"
            invokestatic java.util.concurrent.atomic.AtomicIntegerFieldUpdater.newUpdater:(Ljava/lang/Class;Ljava/lang/String;)Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            putstatic org.apache.cassandra.utils.concurrent.Accumulator.nextIndexUpdater:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
         1: .line 36
            ldc Lorg/apache/cassandra/utils/concurrent/Accumulator;
            ldc "presentCount"
            invokestatic java.util.concurrent.atomic.AtomicIntegerFieldUpdater.newUpdater:(Ljava/lang/Class;Ljava/lang/String;)Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            putstatic org.apache.cassandra.utils.concurrent.Accumulator.presentCountUpdater:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
        start local 1 // int size
         0: .line 38
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 40
            aload 0 /* this */
            iload 1 /* size */
            anewarray java.lang.Object
            putfield org.apache.cassandra.utils.concurrent.Accumulator.values:[Ljava/lang/Object;
         2: .line 41
            return
        end local 1 // int size
        end local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/cassandra/utils/concurrent/Accumulator<TE;>;
            0    3     1  size  I
    MethodParameters:
      Name  Flags
      size  

  public void add();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
        start local 1 // java.lang.Object item
         0: .line 57
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.Accumulator.nextIndex:I
            istore 2 /* insertPos */
        start local 2 // int insertPos
         1: .line 58
            iload 2 /* insertPos */
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.Accumulator.values:[Ljava/lang/Object;
            arraylength
            if_icmplt 3
         2: .line 59
            new java.lang.IllegalStateException
            dup
            invokespecial java.lang.IllegalStateException.<init>:()V
            athrow
         3: .line 60
      StackMap locals: int
      StackMap stack:
            getstatic org.apache.cassandra.utils.concurrent.Accumulator.nextIndexUpdater:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            aload 0 /* this */
            iload 2 /* insertPos */
            iload 2 /* insertPos */
            iconst_1
            iadd
            invokevirtual java.util.concurrent.atomic.AtomicIntegerFieldUpdater.compareAndSet:(Ljava/lang/Object;II)Z
            ifeq 0
         4: .line 63
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.Accumulator.values:[Ljava/lang/Object;
            iload 2 /* insertPos */
            aload 1 /* item */
            aastore
         5: .line 69
            iconst_0
            istore 3 /* volatileWrite */
        start local 3 // boolean volatileWrite
         6: .line 72
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.Accumulator.presentCount:I
            istore 4 /* cur */
        start local 4 // int cur
         7: .line 73
            iload 4 /* cur */
            iload 2 /* insertPos */
            if_icmpeq 12
            iload 4 /* cur */
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.Accumulator.values:[Ljava/lang/Object;
            arraylength
            if_icmpeq 8
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.Accumulator.values:[Ljava/lang/Object;
            iload 4 /* cur */
            aaload
            ifnonnull 12
         8: .line 76
      StackMap locals: int
      StackMap stack:
            iload 3 /* volatileWrite */
            ifne 11
            iload 4 /* cur */
            iload 2 /* insertPos */
            if_icmpge 11
            getstatic org.apache.cassandra.utils.concurrent.Accumulator.presentCountUpdater:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            aload 0 /* this */
            iload 4 /* cur */
            iload 4 /* cur */
            invokevirtual java.util.concurrent.atomic.AtomicIntegerFieldUpdater.compareAndSet:(Ljava/lang/Object;II)Z
            ifne 11
         9: .line 80
            iconst_1
            istore 3 /* volatileWrite */
        10: .line 81
            goto 6
        11: .line 83
      StackMap locals:
      StackMap stack:
            return
        12: .line 85
      StackMap locals:
      StackMap stack:
            getstatic org.apache.cassandra.utils.concurrent.Accumulator.presentCountUpdater:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            aload 0 /* this */
            iload 4 /* cur */
            iload 4 /* cur */
            iconst_1
            iadd
            invokevirtual java.util.concurrent.atomic.AtomicIntegerFieldUpdater.compareAndSet:(Ljava/lang/Object;II)Z
            pop
        13: .line 86
            iconst_1
            istore 3 /* volatileWrite */
        end local 4 // int cur
        14: .line 70
            goto 6
        end local 3 // boolean volatileWrite
        end local 2 // int insertPos
        end local 1 // java.lang.Object item
        end local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   15     0           this  Lorg/apache/cassandra/utils/concurrent/Accumulator<TE;>;
            0   15     1           item  TE;
            1   15     2      insertPos  I
            6   15     3  volatileWrite  Z
            7   14     4            cur  I
    Signature: (TE;)V
    MethodParameters:
      Name  Flags
      item  

  public boolean isEmpty();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
         0: .line 92
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.Accumulator.presentCount:I
            ifne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/utils/concurrent/Accumulator<TE;>;

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
         0: .line 100
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.Accumulator.presentCount:I
            ireturn
        end local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/utils/concurrent/Accumulator<TE;>;

  public int capacity();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
         0: .line 105
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.Accumulator.values:[Ljava/lang/Object;
            arraylength
            ireturn
        end local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/utils/concurrent/Accumulator<TE;>;

  public java.util.Iterator<E> iterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
         0: .line 110
            new org.apache.cassandra.utils.concurrent.Accumulator$1
            dup
            aload 0 /* this */
            invokespecial org.apache.cassandra.utils.concurrent.Accumulator$1.<init>:(Lorg/apache/cassandra/utils/concurrent/Accumulator;)V
            areturn
        end local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/utils/concurrent/Accumulator<TE;>;
    Signature: ()Ljava/util/Iterator<TE;>;

  public E get();
    descriptor: (I)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
        start local 1 // int i
         0: .line 134
            iload 1 /* i */
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.Accumulator.presentCount:I
            if_icmplt 2
         1: .line 135
            new java.lang.IndexOutOfBoundsException
            dup
            invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
            athrow
         2: .line 136
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.Accumulator.values:[Ljava/lang/Object;
            iload 1 /* i */
            aaload
            areturn
        end local 1 // int i
        end local 0 // org.apache.cassandra.utils.concurrent.Accumulator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/cassandra/utils/concurrent/Accumulator<TE;>;
            0    3     1     i  I
    Signature: (I)TE;
    MethodParameters:
      Name  Flags
      i     
}
Signature: <E:Ljava/lang/Object;>Ljava/lang/Object;Ljava/lang/Iterable<TE;>;
SourceFile: "Accumulator.java"
NestMembers:
  org.apache.cassandra.utils.concurrent.Accumulator$1
InnerClasses:
  org.apache.cassandra.utils.concurrent.Accumulator$1