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 
final class org.apache.cassandra.hints.HintsBufferPool implements java.io.Closeable
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: org.apache.cassandra.hints.HintsBufferPool
  super_class: java.lang.Object
{
  static final int MAX_ALLOCATED_BUFFERS;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  private volatile org.apache.cassandra.hints.HintsBuffer currentBuffer;
    descriptor: Lorg/apache/cassandra/hints/HintsBuffer;
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private final java.util.concurrent.BlockingQueue<org.apache.cassandra.hints.HintsBuffer> reserveBuffers;
    descriptor: Ljava/util/concurrent/BlockingQueue;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/concurrent/BlockingQueue<Lorg/apache/cassandra/hints/HintsBuffer;>;

  private final int bufferSize;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.cassandra.hints.HintsBufferPool$FlushCallback flushCallback;
    descriptor: Lorg/apache/cassandra/hints/HintsBufferPool$FlushCallback;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private int allocatedBuffers;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 41
            ldc "cassandra.MAX_HINT_BUFFERS"
            iconst_3
            invokestatic java.lang.Integer.getInteger:(Ljava/lang/String;I)Ljava/lang/Integer;
            invokevirtual java.lang.Integer.intValue:()I
            putstatic org.apache.cassandra.hints.HintsBufferPool.MAX_ALLOCATED_BUFFERS:I
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(int, org.apache.cassandra.hints.HintsBufferPool$FlushCallback);
    descriptor: (ILorg/apache/cassandra/hints/HintsBufferPool$FlushCallback;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.apache.cassandra.hints.HintsBufferPool this
        start local 1 // int bufferSize
        start local 2 // org.apache.cassandra.hints.HintsBufferPool$FlushCallback flushCallback
         0: .line 48
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 46
            aload 0 /* this */
            iconst_0
            putfield org.apache.cassandra.hints.HintsBufferPool.allocatedBuffers:I
         2: .line 50
            aload 0 /* this */
            new java.util.concurrent.LinkedBlockingQueue
            dup
            invokespecial java.util.concurrent.LinkedBlockingQueue.<init>:()V
            putfield org.apache.cassandra.hints.HintsBufferPool.reserveBuffers:Ljava/util/concurrent/BlockingQueue;
         3: .line 51
            aload 0 /* this */
            iload 1 /* bufferSize */
            putfield org.apache.cassandra.hints.HintsBufferPool.bufferSize:I
         4: .line 52
            aload 0 /* this */
            aload 2 /* flushCallback */
            putfield org.apache.cassandra.hints.HintsBufferPool.flushCallback:Lorg/apache/cassandra/hints/HintsBufferPool$FlushCallback;
         5: .line 53
            return
        end local 2 // org.apache.cassandra.hints.HintsBufferPool$FlushCallback flushCallback
        end local 1 // int bufferSize
        end local 0 // org.apache.cassandra.hints.HintsBufferPool this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    6     0           this  Lorg/apache/cassandra/hints/HintsBufferPool;
            0    6     1     bufferSize  I
            0    6     2  flushCallback  Lorg/apache/cassandra/hints/HintsBufferPool$FlushCallback;
    MethodParameters:
               Name  Flags
      bufferSize     
      flushCallback  

  void write(java.lang.Iterable<java.util.UUID>, org.apache.cassandra.hints.Hint);
    descriptor: (Ljava/lang/Iterable;Lorg/apache/cassandra/hints/Hint;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=7, args_size=3
        start local 0 // org.apache.cassandra.hints.HintsBufferPool this
        start local 1 // java.lang.Iterable hostIds
        start local 2 // org.apache.cassandra.hints.Hint hint
         0: .line 61
            getstatic org.apache.cassandra.hints.Hint.serializer:Lorg/apache/cassandra/hints/Hint$Serializer;
            aload 2 /* hint */
            getstatic org.apache.cassandra.net.MessagingService.current_version:I
            invokevirtual org.apache.cassandra.hints.Hint$Serializer.serializedSize:(Lorg/apache/cassandra/hints/Hint;I)J
            l2i
            istore 3 /* hintSize */
        start local 3 // int hintSize
         1: .line 62
            aconst_null
            astore 4
            aconst_null
            astore 5
         2: aload 0 /* this */
            iload 3 /* hintSize */
            invokevirtual org.apache.cassandra.hints.HintsBufferPool.allocate:(I)Lorg/apache/cassandra/hints/HintsBuffer$Allocation;
            astore 6 /* allocation */
        start local 6 // org.apache.cassandra.hints.HintsBuffer$Allocation allocation
         3: .line 64
            aload 6 /* allocation */
            aload 1 /* hostIds */
            aload 2 /* hint */
            invokevirtual org.apache.cassandra.hints.HintsBuffer$Allocation.write:(Ljava/lang/Iterable;Lorg/apache/cassandra/hints/Hint;)V
         4: .line 65
            aload 6 /* allocation */
            ifnull 10
            aload 6 /* allocation */
            invokevirtual org.apache.cassandra.hints.HintsBuffer$Allocation.close:()V
            goto 10
      StackMap locals: org.apache.cassandra.hints.HintsBufferPool java.lang.Iterable org.apache.cassandra.hints.Hint int java.lang.Throwable java.lang.Throwable org.apache.cassandra.hints.HintsBuffer$Allocation
      StackMap stack: java.lang.Throwable
         5: astore 4
            aload 6 /* allocation */
            ifnull 6
            aload 6 /* allocation */
            invokevirtual org.apache.cassandra.hints.HintsBuffer$Allocation.close:()V
        end local 6 // org.apache.cassandra.hints.HintsBuffer$Allocation allocation
      StackMap locals:
      StackMap stack:
         6: aload 4
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
         7: astore 5
            aload 4
            ifnonnull 8
            aload 5
            astore 4
            goto 9
      StackMap locals:
      StackMap stack:
         8: aload 4
            aload 5
            if_acmpeq 9
            aload 4
            aload 5
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
         9: aload 4
            athrow
        10: .line 66
      StackMap locals:
      StackMap stack:
            return
        end local 3 // int hintSize
        end local 2 // org.apache.cassandra.hints.Hint hint
        end local 1 // java.lang.Iterable hostIds
        end local 0 // org.apache.cassandra.hints.HintsBufferPool this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   11     0        this  Lorg/apache/cassandra/hints/HintsBufferPool;
            0   11     1     hostIds  Ljava/lang/Iterable<Ljava/util/UUID;>;
            0   11     2        hint  Lorg/apache/cassandra/hints/Hint;
            1   11     3    hintSize  I
            3    6     6  allocation  Lorg/apache/cassandra/hints/HintsBuffer$Allocation;
      Exception table:
        from    to  target  type
           3     4       5  any
           2     7       7  any
    Signature: (Ljava/lang/Iterable<Ljava/util/UUID;>;Lorg/apache/cassandra/hints/Hint;)V
    MethodParameters:
         Name  Flags
      hostIds  
      hint     

  private org.apache.cassandra.hints.HintsBuffer$Allocation allocate(int);
    descriptor: (I)Lorg/apache/cassandra/hints/HintsBuffer$Allocation;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // org.apache.cassandra.hints.HintsBufferPool this
        start local 1 // int hintSize
         0: .line 70
            aload 0 /* this */
            invokevirtual org.apache.cassandra.hints.HintsBufferPool.currentBuffer:()Lorg/apache/cassandra/hints/HintsBuffer;
            astore 2 /* current */
        start local 2 // org.apache.cassandra.hints.HintsBuffer current
         1: .line 74
      StackMap locals: org.apache.cassandra.hints.HintsBuffer
      StackMap stack:
            aload 2 /* current */
            iload 1 /* hintSize */
            invokevirtual org.apache.cassandra.hints.HintsBuffer.allocate:(I)Lorg/apache/cassandra/hints/HintsBuffer$Allocation;
            astore 3 /* allocation */
        start local 3 // org.apache.cassandra.hints.HintsBuffer$Allocation allocation
         2: .line 75
            aload 3 /* allocation */
            ifnull 4
         3: .line 76
            aload 3 /* allocation */
            areturn
         4: .line 79
      StackMap locals: org.apache.cassandra.hints.HintsBuffer$Allocation
      StackMap stack:
            aload 0 /* this */
            aload 2 /* current */
            invokevirtual org.apache.cassandra.hints.HintsBufferPool.switchCurrentBuffer:(Lorg/apache/cassandra/hints/HintsBuffer;)Z
            ifeq 6
         5: .line 80
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.flushCallback:Lorg/apache/cassandra/hints/HintsBufferPool$FlushCallback;
            aload 2 /* current */
            aload 0 /* this */
            invokeinterface org.apache.cassandra.hints.HintsBufferPool$FlushCallback.flush:(Lorg/apache/cassandra/hints/HintsBuffer;Lorg/apache/cassandra/hints/HintsBufferPool;)V
         6: .line 82
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.currentBuffer:Lorg/apache/cassandra/hints/HintsBuffer;
            astore 2 /* current */
        end local 3 // org.apache.cassandra.hints.HintsBuffer$Allocation allocation
         7: .line 72
            goto 1
        end local 2 // org.apache.cassandra.hints.HintsBuffer current
        end local 1 // int hintSize
        end local 0 // org.apache.cassandra.hints.HintsBufferPool this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    8     0        this  Lorg/apache/cassandra/hints/HintsBufferPool;
            0    8     1    hintSize  I
            1    8     2     current  Lorg/apache/cassandra/hints/HintsBuffer;
            2    7     3  allocation  Lorg/apache/cassandra/hints/HintsBuffer$Allocation;
    MethodParameters:
          Name  Flags
      hintSize  

  void offer(org.apache.cassandra.hints.HintsBuffer);
    descriptor: (Lorg/apache/cassandra/hints/HintsBuffer;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.cassandra.hints.HintsBufferPool this
        start local 1 // org.apache.cassandra.hints.HintsBuffer buffer
         0: .line 88
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.reserveBuffers:Ljava/util/concurrent/BlockingQueue;
            aload 1 /* buffer */
            invokeinterface java.util.concurrent.BlockingQueue.offer:(Ljava/lang/Object;)Z
            ifne 2
         1: .line 89
            new java.lang.RuntimeException
            dup
            ldc "Failed to store buffer"
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 90
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.apache.cassandra.hints.HintsBuffer buffer
        end local 0 // org.apache.cassandra.hints.HintsBufferPool this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/apache/cassandra/hints/HintsBufferPool;
            0    3     1  buffer  Lorg/apache/cassandra/hints/HintsBuffer;
    MethodParameters:
        Name  Flags
      buffer  

  org.apache.cassandra.hints.HintsBuffer currentBuffer();
    descriptor: ()Lorg/apache/cassandra/hints/HintsBuffer;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.hints.HintsBufferPool this
         0: .line 95
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.currentBuffer:Lorg/apache/cassandra/hints/HintsBuffer;
            ifnonnull 2
         1: .line 96
            aload 0 /* this */
            invokevirtual org.apache.cassandra.hints.HintsBufferPool.initializeCurrentBuffer:()V
         2: .line 98
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.currentBuffer:Lorg/apache/cassandra/hints/HintsBuffer;
            areturn
        end local 0 // org.apache.cassandra.hints.HintsBufferPool this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/cassandra/hints/HintsBufferPool;

  private synchronized void initializeCurrentBuffer();
    descriptor: ()V
    flags: (0x0022) ACC_PRIVATE, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.cassandra.hints.HintsBufferPool this
         0: .line 103
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.currentBuffer:Lorg/apache/cassandra/hints/HintsBuffer;
            ifnonnull 2
         1: .line 104
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.apache.cassandra.hints.HintsBufferPool.createBuffer:()Lorg/apache/cassandra/hints/HintsBuffer;
            putfield org.apache.cassandra.hints.HintsBufferPool.currentBuffer:Lorg/apache/cassandra/hints/HintsBuffer;
         2: .line 105
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.cassandra.hints.HintsBufferPool this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/cassandra/hints/HintsBufferPool;

  private synchronized boolean switchCurrentBuffer(org.apache.cassandra.hints.HintsBuffer);
    descriptor: (Lorg/apache/cassandra/hints/HintsBuffer;)Z
    flags: (0x0022) ACC_PRIVATE, ACC_SYNCHRONIZED
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // org.apache.cassandra.hints.HintsBufferPool this
        start local 1 // org.apache.cassandra.hints.HintsBuffer previous
         0: .line 109
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.currentBuffer:Lorg/apache/cassandra/hints/HintsBuffer;
            aload 1 /* previous */
            if_acmpeq 2
         1: .line 110
            iconst_0
            ireturn
         2: .line 112
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.reserveBuffers:Ljava/util/concurrent/BlockingQueue;
            invokeinterface java.util.concurrent.BlockingQueue.poll:()Ljava/lang/Object;
            checkcast org.apache.cassandra.hints.HintsBuffer
            astore 2 /* buffer */
        start local 2 // org.apache.cassandra.hints.HintsBuffer buffer
         3: .line 113
            aload 2 /* buffer */
            ifnonnull 8
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.allocatedBuffers:I
            getstatic org.apache.cassandra.hints.HintsBufferPool.MAX_ALLOCATED_BUFFERS:I
            if_icmplt 8
         4: .line 118
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.reserveBuffers:Ljava/util/concurrent/BlockingQueue;
            invokeinterface java.util.concurrent.BlockingQueue.take:()Ljava/lang/Object;
            checkcast org.apache.cassandra.hints.HintsBuffer
            astore 2 /* buffer */
         5: .line 119
            goto 8
         6: .line 120
      StackMap locals: org.apache.cassandra.hints.HintsBufferPool org.apache.cassandra.hints.HintsBuffer org.apache.cassandra.hints.HintsBuffer
      StackMap stack: java.lang.InterruptedException
            astore 3 /* e */
        start local 3 // java.lang.InterruptedException e
         7: .line 122
            new java.lang.RuntimeException
            dup
            aload 3 /* e */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.lang.InterruptedException e
         8: .line 125
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 2 /* buffer */
            ifnonnull 9
            aload 0 /* this */
            invokevirtual org.apache.cassandra.hints.HintsBufferPool.createBuffer:()Lorg/apache/cassandra/hints/HintsBuffer;
            goto 10
      StackMap locals:
      StackMap stack: org.apache.cassandra.hints.HintsBufferPool
         9: aload 2 /* buffer */
      StackMap locals: org.apache.cassandra.hints.HintsBufferPool org.apache.cassandra.hints.HintsBuffer org.apache.cassandra.hints.HintsBuffer
      StackMap stack: org.apache.cassandra.hints.HintsBufferPool org.apache.cassandra.hints.HintsBuffer
        10: putfield org.apache.cassandra.hints.HintsBufferPool.currentBuffer:Lorg/apache/cassandra/hints/HintsBuffer;
        11: .line 127
            iconst_1
            ireturn
        end local 2 // org.apache.cassandra.hints.HintsBuffer buffer
        end local 1 // org.apache.cassandra.hints.HintsBuffer previous
        end local 0 // org.apache.cassandra.hints.HintsBufferPool this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   12     0      this  Lorg/apache/cassandra/hints/HintsBufferPool;
            0   12     1  previous  Lorg/apache/cassandra/hints/HintsBuffer;
            3   12     2    buffer  Lorg/apache/cassandra/hints/HintsBuffer;
            7    8     3         e  Ljava/lang/InterruptedException;
      Exception table:
        from    to  target  type
           4     5       6  Class java.lang.InterruptedException
    MethodParameters:
          Name  Flags
      previous  

  private org.apache.cassandra.hints.HintsBuffer createBuffer();
    descriptor: ()Lorg/apache/cassandra/hints/HintsBuffer;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.cassandra.hints.HintsBufferPool this
         0: .line 132
            aload 0 /* this */
            dup
            getfield org.apache.cassandra.hints.HintsBufferPool.allocatedBuffers:I
            iconst_1
            iadd
            putfield org.apache.cassandra.hints.HintsBufferPool.allocatedBuffers:I
         1: .line 133
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.bufferSize:I
            invokestatic org.apache.cassandra.hints.HintsBuffer.create:(I)Lorg/apache/cassandra/hints/HintsBuffer;
            areturn
        end local 0 // org.apache.cassandra.hints.HintsBufferPool this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/hints/HintsBufferPool;

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.hints.HintsBufferPool this
         0: .line 138
            aload 0 /* this */
            getfield org.apache.cassandra.hints.HintsBufferPool.currentBuffer:Lorg/apache/cassandra/hints/HintsBuffer;
            invokevirtual org.apache.cassandra.hints.HintsBuffer.free:()V
         1: .line 139
            return
        end local 0 // org.apache.cassandra.hints.HintsBufferPool this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/hints/HintsBufferPool;
}
SourceFile: "HintsBufferPool.java"
NestMembers:
  org.apache.cassandra.hints.HintsBufferPool$FlushCallback
InnerClasses:
  final Serializer = org.apache.cassandra.hints.Hint$Serializer of org.apache.cassandra.hints.Hint
  final Allocation = org.apache.cassandra.hints.HintsBuffer$Allocation of org.apache.cassandra.hints.HintsBuffer
  abstract FlushCallback = org.apache.cassandra.hints.HintsBufferPool$FlushCallback of org.apache.cassandra.hints.HintsBufferPool