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.io.compress.SnappyCompressor implements org.apache.cassandra.io.compress.ICompressor
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.cassandra.io.compress.SnappyCompressor
  super_class: java.lang.Object
{
  public static final org.apache.cassandra.io.compress.SnappyCompressor instance;
    descriptor: Lorg/apache/cassandra/io/compress/SnappyCompressor;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  private static org.slf4j.Logger logger;
    descriptor: Lorg/slf4j/Logger;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 35
            new org.apache.cassandra.io.compress.SnappyCompressor
            dup
            invokespecial org.apache.cassandra.io.compress.SnappyCompressor.<init>:()V
            putstatic org.apache.cassandra.io.compress.SnappyCompressor.instance:Lorg/apache/cassandra/io/compress/SnappyCompressor;
         1: .line 37
            ldc Lorg/apache/cassandra/io/compress/SnappyCompressor;
            invokestatic org.slf4j.LoggerFactory.getLogger:(Ljava/lang/Class;)Lorg/slf4j/Logger;
            putstatic org.apache.cassandra.io.compress.SnappyCompressor.logger:Lorg/slf4j/Logger;
         2: .line 40
            invokestatic org.apache.cassandra.io.compress.SnappyCompressor.isAvailable:()Z
            ifne 4
         3: .line 41
            getstatic org.apache.cassandra.io.compress.SnappyCompressor.logger:Lorg/slf4j/Logger;
            ldc "Cannot initialize native Snappy library. Compression on new sstables will be disabled."
            invokeinterface org.slf4j.Logger.warn:(Ljava/lang/String;)V
         4: .line 42
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
         0: .line 33
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/io/compress/SnappyCompressor;

  public static org.apache.cassandra.io.compress.SnappyCompressor create(java.util.Map<java.lang.String, java.lang.String>);
    descriptor: (Ljava/util/Map;)Lorg/apache/cassandra/io/compress/SnappyCompressor;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.Map compressionOptions
         0: .line 48
            invokestatic org.xerial.snappy.Snappy.getNativeLibraryVersion:()Ljava/lang/String;
            pop
         1: .line 51
            getstatic org.apache.cassandra.io.compress.SnappyCompressor.instance:Lorg/apache/cassandra/io/compress/SnappyCompressor;
            areturn
        end local 0 // java.util.Map compressionOptions
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    2     0  compressionOptions  Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;
    Signature: (Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;)Lorg/apache/cassandra/io/compress/SnappyCompressor;
    MethodParameters:
                    Name  Flags
      compressionOptions  

  public static boolean isAvailable();
    descriptor: ()Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=0
         0: .line 58
            invokestatic java.util.Collections.emptyMap:()Ljava/util/Map;
            invokestatic org.apache.cassandra.io.compress.SnappyCompressor.create:(Ljava/util/Map;)Lorg/apache/cassandra/io/compress/SnappyCompressor;
            pop
         1: .line 59
            iconst_1
            ireturn
         2: .line 61
      StackMap locals:
      StackMap stack: java.lang.Exception
            astore 0 /* e */
        start local 0 // java.lang.Exception e
         3: .line 63
            aload 0 /* e */
            invokestatic org.apache.cassandra.utils.JVMStabilityInspector.inspectThrowable:(Ljava/lang/Throwable;)V
         4: .line 64
            iconst_0
            ireturn
        end local 0 // java.lang.Exception e
         5: .line 66
      StackMap locals:
      StackMap stack: java.lang.Error
            pop
         6: .line 68
            iconst_0
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            3    5     0     e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.Exception
           0     1       5  Class java.lang.NoClassDefFoundError
           0     1       5  Class org.xerial.snappy.SnappyError
           0     1       5  Class java.lang.UnsatisfiedLinkError

  public java.util.Set<java.lang.String> supportedOptions();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
         0: .line 74
            invokestatic java.util.Collections.emptySet:()Ljava/util/Set;
            areturn
        end local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/io/compress/SnappyCompressor;
    Signature: ()Ljava/util/Set<Ljava/lang/String;>;

  public int initialCompressedBufferLength(int);
    descriptor: (I)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
        start local 1 // int chunkLength
         0: .line 79
            iload 1 /* chunkLength */
            invokestatic org.xerial.snappy.Snappy.maxCompressedLength:(I)I
            ireturn
        end local 1 // int chunkLength
        end local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    1     0         this  Lorg/apache/cassandra/io/compress/SnappyCompressor;
            0    1     1  chunkLength  I
    MethodParameters:
             Name  Flags
      chunkLength  

  public void compress(java.nio.ByteBuffer, java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;Ljava/nio/ByteBuffer;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=3
        start local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
        start local 1 // java.nio.ByteBuffer input
        start local 2 // java.nio.ByteBuffer output
         0: .line 84
            aload 2 /* output */
            invokevirtual java.nio.ByteBuffer.limit:()I
            istore 3 /* dlimit */
        start local 3 // int dlimit
         1: .line 85
            aload 1 /* input */
            aload 2 /* output */
            invokestatic org.xerial.snappy.Snappy.compress:(Ljava/nio/ByteBuffer;Ljava/nio/ByteBuffer;)I
            pop
         2: .line 88
            aload 2 /* output */
            aload 2 /* output */
            invokevirtual java.nio.ByteBuffer.limit:()I
            invokevirtual java.nio.ByteBuffer.position:(I)Ljava/nio/Buffer;
            pop
         3: .line 89
            aload 2 /* output */
            iload 3 /* dlimit */
            invokevirtual java.nio.ByteBuffer.limit:(I)Ljava/nio/Buffer;
            pop
         4: .line 90
            aload 1 /* input */
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.limit:()I
            invokevirtual java.nio.ByteBuffer.position:(I)Ljava/nio/Buffer;
            pop
         5: .line 91
            return
        end local 3 // int dlimit
        end local 2 // java.nio.ByteBuffer output
        end local 1 // java.nio.ByteBuffer input
        end local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    this  Lorg/apache/cassandra/io/compress/SnappyCompressor;
            0    6     1   input  Ljava/nio/ByteBuffer;
            0    6     2  output  Ljava/nio/ByteBuffer;
            1    6     3  dlimit  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      input   
      output  

  public int uncompress(byte[], int, int, byte[], int);
    descriptor: ([BII[BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=6, args_size=6
        start local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
        start local 1 // byte[] input
        start local 2 // int inputOffset
        start local 3 // int inputLength
        start local 4 // byte[] output
        start local 5 // int outputOffset
         0: .line 95
            aload 1 /* input */
            iload 2 /* inputOffset */
            iload 3 /* inputLength */
            aload 4 /* output */
            iload 5 /* outputOffset */
            invokestatic org.xerial.snappy.Snappy.rawUncompress:([BIILjava/lang/Object;I)I
            ireturn
        end local 5 // int outputOffset
        end local 4 // byte[] output
        end local 3 // int inputLength
        end local 2 // int inputOffset
        end local 1 // byte[] input
        end local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0          this  Lorg/apache/cassandra/io/compress/SnappyCompressor;
            0    1     1         input  [B
            0    1     2   inputOffset  I
            0    1     3   inputLength  I
            0    1     4        output  [B
            0    1     5  outputOffset  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      input         
      inputOffset   
      inputLength   
      output        
      outputOffset  

  public void uncompress(java.nio.ByteBuffer, java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;Ljava/nio/ByteBuffer;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=3
        start local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
        start local 1 // java.nio.ByteBuffer input
        start local 2 // java.nio.ByteBuffer output
         0: .line 101
            aload 2 /* output */
            invokevirtual java.nio.ByteBuffer.limit:()I
            istore 3 /* dlimit */
        start local 3 // int dlimit
         1: .line 102
            aload 1 /* input */
            aload 2 /* output */
            invokestatic org.xerial.snappy.Snappy.uncompress:(Ljava/nio/ByteBuffer;Ljava/nio/ByteBuffer;)I
            pop
         2: .line 105
            aload 2 /* output */
            aload 2 /* output */
            invokevirtual java.nio.ByteBuffer.limit:()I
            invokevirtual java.nio.ByteBuffer.position:(I)Ljava/nio/Buffer;
            pop
         3: .line 106
            aload 2 /* output */
            iload 3 /* dlimit */
            invokevirtual java.nio.ByteBuffer.limit:(I)Ljava/nio/Buffer;
            pop
         4: .line 107
            aload 1 /* input */
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.limit:()I
            invokevirtual java.nio.ByteBuffer.position:(I)Ljava/nio/Buffer;
            pop
         5: .line 108
            return
        end local 3 // int dlimit
        end local 2 // java.nio.ByteBuffer output
        end local 1 // java.nio.ByteBuffer input
        end local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    this  Lorg/apache/cassandra/io/compress/SnappyCompressor;
            0    6     1   input  Ljava/nio/ByteBuffer;
            0    6     2  output  Ljava/nio/ByteBuffer;
            1    6     3  dlimit  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      input   
      output  

  public org.apache.cassandra.io.compress.BufferType preferredBufferType();
    descriptor: ()Lorg/apache/cassandra/io/compress/BufferType;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
         0: .line 112
            getstatic org.apache.cassandra.io.compress.BufferType.OFF_HEAP:Lorg/apache/cassandra/io/compress/BufferType;
            areturn
        end local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/io/compress/SnappyCompressor;

  public boolean supports(org.apache.cassandra.io.compress.BufferType);
    descriptor: (Lorg/apache/cassandra/io/compress/BufferType;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
        start local 1 // org.apache.cassandra.io.compress.BufferType bufferType
         0: .line 119
            aload 1 /* bufferType */
            getstatic org.apache.cassandra.io.compress.BufferType.OFF_HEAP:Lorg/apache/cassandra/io/compress/BufferType;
            if_acmpne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // org.apache.cassandra.io.compress.BufferType bufferType
        end local 0 // org.apache.cassandra.io.compress.SnappyCompressor this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    2     0        this  Lorg/apache/cassandra/io/compress/SnappyCompressor;
            0    2     1  bufferType  Lorg/apache/cassandra/io/compress/BufferType;
    MethodParameters:
            Name  Flags
      bufferType  
}
SourceFile: "SnappyCompressor.java"