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 
class org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter implements org.apache.cassandra.db.commitlog.CommitLogSegmentReader$Segmenter
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter
  super_class: java.lang.Object
{
  private final org.apache.cassandra.io.compress.ICompressor compressor;
    descriptor: Lorg/apache/cassandra/io/compress/ICompressor;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.cassandra.io.util.RandomAccessReader reader;
    descriptor: Lorg/apache/cassandra/io/util/RandomAccessReader;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private byte[] compressedBuffer;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  private byte[] uncompressedBuffer;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  private long nextLogicalStart;
    descriptor: J
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.apache.cassandra.db.commitlog.CommitLogDescriptor, org.apache.cassandra.io.util.RandomAccessReader);
    descriptor: (Lorg/apache/cassandra/db/commitlog/CommitLogDescriptor;Lorg/apache/cassandra/io/util/RandomAccessReader;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter this
        start local 1 // org.apache.cassandra.db.commitlog.CommitLogDescriptor desc
        start local 2 // org.apache.cassandra.io.util.RandomAccessReader reader
         0: .line 264
            aload 0 /* this */
            aload 1 /* desc */
            getfield org.apache.cassandra.db.commitlog.CommitLogDescriptor.compression:Lorg/apache/cassandra/config/ParameterizedClass;
            invokestatic org.apache.cassandra.schema.CompressionParams.createCompressor:(Lorg/apache/cassandra/config/ParameterizedClass;)Lorg/apache/cassandra/io/compress/ICompressor;
            aload 2 /* reader */
            invokespecial org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.<init>:(Lorg/apache/cassandra/io/compress/ICompressor;Lorg/apache/cassandra/io/util/RandomAccessReader;)V
         1: .line 265
            return
        end local 2 // org.apache.cassandra.io.util.RandomAccessReader reader
        end local 1 // org.apache.cassandra.db.commitlog.CommitLogDescriptor desc
        end local 0 // org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/apache/cassandra/db/commitlog/CommitLogSegmentReader$CompressedSegmenter;
            0    2     1    desc  Lorg/apache/cassandra/db/commitlog/CommitLogDescriptor;
            0    2     2  reader  Lorg/apache/cassandra/io/util/RandomAccessReader;
    MethodParameters:
        Name  Flags
      desc    
      reader  

  public void <init>(org.apache.cassandra.io.compress.ICompressor, org.apache.cassandra.io.util.RandomAccessReader);
    descriptor: (Lorg/apache/cassandra/io/compress/ICompressor;Lorg/apache/cassandra/io/util/RandomAccessReader;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter this
        start local 1 // org.apache.cassandra.io.compress.ICompressor compressor
        start local 2 // org.apache.cassandra.io.util.RandomAccessReader reader
         0: .line 267
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 269
            aload 0 /* this */
            aload 1 /* compressor */
            putfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.compressor:Lorg/apache/cassandra/io/compress/ICompressor;
         2: .line 270
            aload 0 /* this */
            aload 2 /* reader */
            putfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.reader:Lorg/apache/cassandra/io/util/RandomAccessReader;
         3: .line 271
            aload 0 /* this */
            iconst_0
            newarray 8
            putfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.compressedBuffer:[B
         4: .line 272
            aload 0 /* this */
            iconst_0
            newarray 8
            putfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.uncompressedBuffer:[B
         5: .line 273
            aload 0 /* this */
            aload 2 /* reader */
            invokevirtual org.apache.cassandra.io.util.RandomAccessReader.getFilePointer:()J
            putfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.nextLogicalStart:J
         6: .line 274
            return
        end local 2 // org.apache.cassandra.io.util.RandomAccessReader reader
        end local 1 // org.apache.cassandra.io.compress.ICompressor compressor
        end local 0 // org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    7     0        this  Lorg/apache/cassandra/db/commitlog/CommitLogSegmentReader$CompressedSegmenter;
            0    7     1  compressor  Lorg/apache/cassandra/io/compress/ICompressor;
            0    7     2      reader  Lorg/apache/cassandra/io/util/RandomAccessReader;
    MethodParameters:
            Name  Flags
      compressor  
      reader      

  public org.apache.cassandra.db.commitlog.CommitLogSegmentReader$SyncSegment nextSegment(int, int);
    descriptor: (II)Lorg/apache/cassandra/db/commitlog/CommitLogSegmentReader$SyncSegment;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=10, locals=7, args_size=3
        start local 0 // org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter this
        start local 1 // int startPosition
        start local 2 // int nextSectionStartPosition
         0: .line 279
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.reader:Lorg/apache/cassandra/io/util/RandomAccessReader;
            iload 1 /* startPosition */
            i2l
            invokevirtual org.apache.cassandra.io.util.RandomAccessReader.seek:(J)V
         1: .line 280
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.reader:Lorg/apache/cassandra/io/util/RandomAccessReader;
            invokevirtual org.apache.cassandra.io.util.RandomAccessReader.readInt:()I
            istore 3 /* uncompressedLength */
        start local 3 // int uncompressedLength
         2: .line 282
            iload 2 /* nextSectionStartPosition */
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.reader:Lorg/apache/cassandra/io/util/RandomAccessReader;
            invokevirtual org.apache.cassandra.io.util.RandomAccessReader.getPosition:()J
            l2i
            isub
            istore 4 /* compressedLength */
        start local 4 // int compressedLength
         3: .line 283
            iload 4 /* compressedLength */
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.compressedBuffer:[B
            arraylength
            if_icmple 5
         4: .line 284
            aload 0 /* this */
            ldc 1.2
            iload 4 /* compressedLength */
            i2d
            dmul
            d2i
            newarray 8
            putfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.compressedBuffer:[B
         5: .line 285
      StackMap locals: int int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.reader:Lorg/apache/cassandra/io/util/RandomAccessReader;
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.compressedBuffer:[B
            iconst_0
            iload 4 /* compressedLength */
            invokevirtual org.apache.cassandra.io.util.RandomAccessReader.readFully:([BII)V
         6: .line 287
            iload 3 /* uncompressedLength */
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.uncompressedBuffer:[B
            arraylength
            if_icmple 8
         7: .line 288
            aload 0 /* this */
            ldc 1.2
            iload 3 /* uncompressedLength */
            i2d
            dmul
            d2i
            newarray 8
            putfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.uncompressedBuffer:[B
         8: .line 289
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.compressor:Lorg/apache/cassandra/io/compress/ICompressor;
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.compressedBuffer:[B
            iconst_0
            iload 4 /* compressedLength */
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.uncompressedBuffer:[B
            iconst_0
            invokeinterface org.apache.cassandra.io.compress.ICompressor.uncompress:([BII[BI)I
            istore 5 /* count */
        start local 5 // int count
         9: .line 290
            aload 0 /* this */
            dup
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.nextLogicalStart:J
            ldc 8
            ladd
            putfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.nextLogicalStart:J
        10: .line 291
            new org.apache.cassandra.io.util.FileSegmentInputStream
            dup
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.uncompressedBuffer:[B
            iconst_0
            iload 5 /* count */
            invokestatic java.nio.ByteBuffer.wrap:([BII)Ljava/nio/ByteBuffer;
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.reader:Lorg/apache/cassandra/io/util/RandomAccessReader;
            invokevirtual org.apache.cassandra.io.util.RandomAccessReader.getPath:()Ljava/lang/String;
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.nextLogicalStart:J
            invokespecial org.apache.cassandra.io.util.FileSegmentInputStream.<init>:(Ljava/nio/ByteBuffer;Ljava/lang/String;J)V
            astore 6 /* input */
        start local 6 // org.apache.cassandra.io.util.FileDataInput input
        11: .line 292
            aload 0 /* this */
            dup
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.nextLogicalStart:J
            iload 3 /* uncompressedLength */
            i2l
            ladd
            putfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.nextLogicalStart:J
        12: .line 293
            new org.apache.cassandra.db.commitlog.CommitLogSegmentReader$SyncSegment
            dup
            aload 6 /* input */
            iload 1 /* startPosition */
            iload 2 /* nextSectionStartPosition */
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.nextLogicalStart:J
            l2i
            aload 0 /* this */
            iload 2 /* nextSectionStartPosition */
            aload 0 /* this */
            getfield org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.reader:Lorg/apache/cassandra/io/util/RandomAccessReader;
            invokevirtual org.apache.cassandra.io.util.RandomAccessReader.length:()J
            invokevirtual org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter.tolerateSegmentErrors:(IJ)Z
            invokespecial org.apache.cassandra.db.commitlog.CommitLogSegmentReader$SyncSegment.<init>:(Lorg/apache/cassandra/io/util/FileDataInput;IIIZ)V
            areturn
        end local 6 // org.apache.cassandra.io.util.FileDataInput input
        end local 5 // int count
        end local 4 // int compressedLength
        end local 3 // int uncompressedLength
        end local 2 // int nextSectionStartPosition
        end local 1 // int startPosition
        end local 0 // org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter this
      LocalVariableTable:
        Start  End  Slot                      Name  Signature
            0   13     0                      this  Lorg/apache/cassandra/db/commitlog/CommitLogSegmentReader$CompressedSegmenter;
            0   13     1             startPosition  I
            0   13     2  nextSectionStartPosition  I
            2   13     3        uncompressedLength  I
            3   13     4          compressedLength  I
            9   13     5                     count  I
           11   13     6                     input  Lorg/apache/cassandra/io/util/FileDataInput;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                          Name  Flags
      startPosition             final
      nextSectionStartPosition  final
}
SourceFile: "CommitLogSegmentReader.java"
NestHost: org.apache.cassandra.db.commitlog.CommitLogSegmentReader
InnerClasses:
  CompressedSegmenter = org.apache.cassandra.db.commitlog.CommitLogSegmentReader$CompressedSegmenter of org.apache.cassandra.db.commitlog.CommitLogSegmentReader
  abstract Segmenter = org.apache.cassandra.db.commitlog.CommitLogSegmentReader$Segmenter of org.apache.cassandra.db.commitlog.CommitLogSegmentReader
  public SyncSegment = org.apache.cassandra.db.commitlog.CommitLogSegmentReader$SyncSegment of org.apache.cassandra.db.commitlog.CommitLogSegmentReader