org.apache.cassandra/cassandra-all/3.11.5 : org/apache/cassandra/utils/memory/ContextAllocator.class

ContextAllocator

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 final class org.apache.cassandra.utils.memory.ContextAllocator extends org.apache.cassandra.utils.memory.AbstractAllocator
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.apache.cassandra.utils.memory.ContextAllocator
  super_class: org.apache.cassandra.utils.memory.AbstractAllocator
{
  private final org.apache.cassandra.utils.concurrent.OpOrder$Group opGroup;
    descriptor: Lorg/apache/cassandra/utils/concurrent/OpOrder$Group;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.cassandra.utils.memory.MemtableBufferAllocator allocator;
    descriptor: Lorg/apache/cassandra/utils/memory/MemtableBufferAllocator;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 30
            ldc Lorg/apache/cassandra/utils/memory/ContextAllocator;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic org.apache.cassandra.utils.memory.ContextAllocator.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.apache.cassandra.utils.concurrent.OpOrder$Group, org.apache.cassandra.utils.memory.MemtableBufferAllocator);
    descriptor: (Lorg/apache/cassandra/utils/concurrent/OpOrder$Group;Lorg/apache/cassandra/utils/memory/MemtableBufferAllocator;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.apache.cassandra.utils.memory.ContextAllocator this
        start local 1 // org.apache.cassandra.utils.concurrent.OpOrder$Group opGroup
        start local 2 // org.apache.cassandra.utils.memory.MemtableBufferAllocator allocator
         0: .line 35
            aload 0 /* this */
            invokespecial org.apache.cassandra.utils.memory.AbstractAllocator.<init>:()V
         1: .line 37
            aload 0 /* this */
            aload 1 /* opGroup */
            putfield org.apache.cassandra.utils.memory.ContextAllocator.opGroup:Lorg/apache/cassandra/utils/concurrent/OpOrder$Group;
         2: .line 38
            aload 0 /* this */
            aload 2 /* allocator */
            putfield org.apache.cassandra.utils.memory.ContextAllocator.allocator:Lorg/apache/cassandra/utils/memory/MemtableBufferAllocator;
         3: .line 39
            return
        end local 2 // org.apache.cassandra.utils.memory.MemtableBufferAllocator allocator
        end local 1 // org.apache.cassandra.utils.concurrent.OpOrder$Group opGroup
        end local 0 // org.apache.cassandra.utils.memory.ContextAllocator this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    4     0       this  Lorg/apache/cassandra/utils/memory/ContextAllocator;
            0    4     1    opGroup  Lorg/apache/cassandra/utils/concurrent/OpOrder$Group;
            0    4     2  allocator  Lorg/apache/cassandra/utils/memory/MemtableBufferAllocator;
    MethodParameters:
           Name  Flags
      opGroup    
      allocator  

  public java.nio.ByteBuffer clone(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.apache.cassandra.utils.memory.ContextAllocator this
        start local 1 // java.nio.ByteBuffer buffer
         0: .line 44
            getstatic org.apache.cassandra.utils.memory.ContextAllocator.$assertionsDisabled:Z
            ifne 1
            aload 1 /* buffer */
            ifnonnull 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 45
      StackMap locals:
      StackMap stack:
            aload 1 /* buffer */
            invokevirtual java.nio.ByteBuffer.remaining:()I
            ifne 3
         2: .line 46
            getstatic org.apache.cassandra.utils.ByteBufferUtil.EMPTY_BYTE_BUFFER:Ljava/nio/ByteBuffer;
            areturn
         3: .line 47
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* buffer */
            invokevirtual java.nio.ByteBuffer.remaining:()I
            invokevirtual org.apache.cassandra.utils.memory.ContextAllocator.allocate:(I)Ljava/nio/ByteBuffer;
            astore 2 /* cloned */
        start local 2 // java.nio.ByteBuffer cloned
         4: .line 49
            aload 2 /* cloned */
            invokevirtual java.nio.ByteBuffer.mark:()Ljava/nio/Buffer;
            pop
         5: .line 50
            aload 2 /* cloned */
            aload 1 /* buffer */
            invokevirtual java.nio.ByteBuffer.duplicate:()Ljava/nio/ByteBuffer;
            invokevirtual java.nio.ByteBuffer.put:(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;
            pop
         6: .line 51
            aload 2 /* cloned */
            invokevirtual java.nio.ByteBuffer.reset:()Ljava/nio/Buffer;
            pop
         7: .line 52
            aload 2 /* cloned */
            areturn
        end local 2 // java.nio.ByteBuffer cloned
        end local 1 // java.nio.ByteBuffer buffer
        end local 0 // org.apache.cassandra.utils.memory.ContextAllocator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0    this  Lorg/apache/cassandra/utils/memory/ContextAllocator;
            0    8     1  buffer  Ljava/nio/ByteBuffer;
            4    8     2  cloned  Ljava/nio/ByteBuffer;
    MethodParameters:
        Name  Flags
      buffer  

  public java.nio.ByteBuffer allocate(int);
    descriptor: (I)Ljava/nio/ByteBuffer;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.cassandra.utils.memory.ContextAllocator this
        start local 1 // int size
         0: .line 57
            aload 0 /* this */
            getfield org.apache.cassandra.utils.memory.ContextAllocator.allocator:Lorg/apache/cassandra/utils/memory/MemtableBufferAllocator;
            iload 1 /* size */
            aload 0 /* this */
            getfield org.apache.cassandra.utils.memory.ContextAllocator.opGroup:Lorg/apache/cassandra/utils/concurrent/OpOrder$Group;
            invokevirtual org.apache.cassandra.utils.memory.MemtableBufferAllocator.allocate:(ILorg/apache/cassandra/utils/concurrent/OpOrder$Group;)Ljava/nio/ByteBuffer;
            areturn
        end local 1 // int size
        end local 0 // org.apache.cassandra.utils.memory.ContextAllocator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/utils/memory/ContextAllocator;
            0    1     1  size  I
    MethodParameters:
      Name  Flags
      size  
}
SourceFile: "ContextAllocator.java"
InnerClasses:
  public final Group = org.apache.cassandra.utils.concurrent.OpOrder$Group of org.apache.cassandra.utils.concurrent.OpOrder

/

org.apache.cassandra/ cassandra-all/ 3.11.5/ org/apache/cassandra/utils/memory/ContextAllocator.class