org.apache.cassandra/cassandra-all/3.11.5 : org/apache/cassandra/io/util/DataIntegrityMetadata$ChecksumValidator.class

DataIntegrityMetadata$ChecksumValidator
https://cassandra.apache.org: The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
The Apache Software License, Version 2.0
Andres de la Peña
Avinash Lakshman
Aleksey Yeschenko
Aaron Morton
Ariel Weisberg
Blake Eggleston
Benedict Elliott Smith
Benjamin Lerer
Branimir Lambov
Brandon Williams
Carl Yeksigian
David Brosiusd
Dikang Gu
Eric Evans
Gary Dusbabek
Chris Goffinet
Alex Petrov
Laine Jaakko Olavi
T Jake Luciani
Jason Brown
Jonathan Ellis
Jake Farrell
Jeff Jirsa
Joel Knighton
Josh McKenzie
Johan Oskarsson
Jun Rao
Jay Zhuang
Sankalp Kohli
Marcus Eriksson
Michael Semb Wever
Mikhail Stepura
Michael Shuler
Paulo Motta
Prashant Malik
Robert Stupp
Peter Schuller
Sam Tunnicliffe
Sylvain Lebresne
Stefania Alborghetti
Tyler Hobbs
Vijay Parthasarathy
Pavel Yaskevich
Yuki Morishita
Nate McCall
public class org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator implements java.io.Closeable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator
  super_class: java.lang.Object
{
  private final org.apache.cassandra.utils.ChecksumType checksumType;
    descriptor: Lorg/apache/cassandra/utils/ChecksumType;
    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

  public final int chunkSize;
    descriptor: I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL

  private final java.lang.String dataFilename;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(org.apache.cassandra.io.sstable.Descriptor);
    descriptor: (Lorg/apache/cassandra/io/sstable/Descriptor;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
        start local 1 // org.apache.cassandra.io.sstable.Descriptor descriptor
         0: .line 47
            aload 0 /* this */
            aload 1 /* descriptor */
            getfield org.apache.cassandra.io.sstable.Descriptor.version:Lorg/apache/cassandra/io/sstable/format/Version;
            invokevirtual org.apache.cassandra.io.sstable.format.Version.uncompressedChecksumType:()Lorg/apache/cassandra/utils/ChecksumType;
         1: .line 48
            new java.io.File
            dup
            aload 1 /* descriptor */
            getstatic org.apache.cassandra.io.sstable.Component.CRC:Lorg/apache/cassandra/io/sstable/Component;
            invokevirtual org.apache.cassandra.io.sstable.Descriptor.filenameFor:(Lorg/apache/cassandra/io/sstable/Component;)Ljava/lang/String;
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            invokestatic org.apache.cassandra.io.util.RandomAccessReader.open:(Ljava/io/File;)Lorg/apache/cassandra/io/util/RandomAccessReader;
         2: .line 49
            aload 1 /* descriptor */
            getstatic org.apache.cassandra.io.sstable.Component.DATA:Lorg/apache/cassandra/io/sstable/Component;
            invokevirtual org.apache.cassandra.io.sstable.Descriptor.filenameFor:(Lorg/apache/cassandra/io/sstable/Component;)Ljava/lang/String;
            invokespecial org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.<init>:(Lorg/apache/cassandra/utils/ChecksumType;Lorg/apache/cassandra/io/util/RandomAccessReader;Ljava/lang/String;)V
         3: .line 50
            return
        end local 1 // org.apache.cassandra.io.sstable.Descriptor descriptor
        end local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    4     0        this  Lorg/apache/cassandra/io/util/DataIntegrityMetadata$ChecksumValidator;
            0    4     1  descriptor  Lorg/apache/cassandra/io/sstable/Descriptor;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
            Name  Flags
      descriptor  

  public void <init>(org.apache.cassandra.utils.ChecksumType, org.apache.cassandra.io.util.RandomAccessReader, java.lang.String);
    descriptor: (Lorg/apache/cassandra/utils/ChecksumType;Lorg/apache/cassandra/io/util/RandomAccessReader;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
        start local 1 // org.apache.cassandra.utils.ChecksumType checksumType
        start local 2 // org.apache.cassandra.io.util.RandomAccessReader reader
        start local 3 // java.lang.String dataFilename
         0: .line 52
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 54
            aload 0 /* this */
            aload 1 /* checksumType */
            putfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.checksumType:Lorg/apache/cassandra/utils/ChecksumType;
         2: .line 55
            aload 0 /* this */
            aload 2 /* reader */
            putfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.reader:Lorg/apache/cassandra/io/util/RandomAccessReader;
         3: .line 56
            aload 0 /* this */
            aload 3 /* dataFilename */
            putfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.dataFilename:Ljava/lang/String;
         4: .line 57
            aload 0 /* this */
            aload 2 /* reader */
            invokevirtual org.apache.cassandra.io.util.RandomAccessReader.readInt:()I
            putfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.chunkSize:I
         5: .line 58
            return
        end local 3 // java.lang.String dataFilename
        end local 2 // org.apache.cassandra.io.util.RandomAccessReader reader
        end local 1 // org.apache.cassandra.utils.ChecksumType checksumType
        end local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    6     0          this  Lorg/apache/cassandra/io/util/DataIntegrityMetadata$ChecksumValidator;
            0    6     1  checksumType  Lorg/apache/cassandra/utils/ChecksumType;
            0    6     2        reader  Lorg/apache/cassandra/io/util/RandomAccessReader;
            0    6     3  dataFilename  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      checksumType  
      reader        
      dataFilename  

  public void seek(long);
    descriptor: (J)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
        start local 1 // long offset
         0: .line 62
            aload 0 /* this */
            lload 1 /* offset */
            invokevirtual org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.chunkStart:(J)J
            lstore 3 /* start */
        start local 3 // long start
         1: .line 63
            aload 0 /* this */
            getfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.reader:Lorg/apache/cassandra/io/util/RandomAccessReader;
            lload 3 /* start */
            aload 0 /* this */
            getfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.chunkSize:I
            i2l
            ldiv
            ldc 4
            lmul
            ldc 4
            ladd
            invokevirtual org.apache.cassandra.io.util.RandomAccessReader.seek:(J)V
         2: .line 64
            return
        end local 3 // long start
        end local 1 // long offset
        end local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/apache/cassandra/io/util/DataIntegrityMetadata$ChecksumValidator;
            0    3     1  offset  J
            1    3     3   start  J
    MethodParameters:
        Name  Flags
      offset  

  public long chunkStart(long);
    descriptor: (J)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=2
        start local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
        start local 1 // long offset
         0: .line 68
            lload 1 /* offset */
            aload 0 /* this */
            getfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.chunkSize:I
            i2l
            ldiv
            lstore 3 /* startChunk */
        start local 3 // long startChunk
         1: .line 69
            lload 3 /* startChunk */
            aload 0 /* this */
            getfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.chunkSize:I
            i2l
            lmul
            lreturn
        end local 3 // long startChunk
        end local 1 // long offset
        end local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    2     0        this  Lorg/apache/cassandra/io/util/DataIntegrityMetadata$ChecksumValidator;
            0    2     1      offset  J
            1    2     3  startChunk  J
    MethodParameters:
        Name  Flags
      offset  

  public void validate(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=6, args_size=4
        start local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
        start local 1 // byte[] bytes
        start local 2 // int start
        start local 3 // int end
         0: .line 74
            aload 0 /* this */
            getfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.checksumType:Lorg/apache/cassandra/utils/ChecksumType;
            aload 1 /* bytes */
            iload 2 /* start */
            iload 3 /* end */
            invokevirtual org.apache.cassandra.utils.ChecksumType.of:([BII)J
            l2i
            istore 4 /* current */
        start local 4 // int current
         1: .line 75
            aload 0 /* this */
            getfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.reader:Lorg/apache/cassandra/io/util/RandomAccessReader;
            invokevirtual org.apache.cassandra.io.util.RandomAccessReader.readInt:()I
            istore 5 /* actual */
        start local 5 // int actual
         2: .line 76
            iload 4 /* current */
            iload 5 /* actual */
            if_icmpeq 4
         3: .line 77
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Corrupted File : "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.dataFilename:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 78
      StackMap locals: int int
      StackMap stack:
            return
        end local 5 // int actual
        end local 4 // int current
        end local 3 // int end
        end local 2 // int start
        end local 1 // byte[] bytes
        end local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0     this  Lorg/apache/cassandra/io/util/DataIntegrityMetadata$ChecksumValidator;
            0    5     1    bytes  [B
            0    5     2    start  I
            0    5     3      end  I
            1    5     4  current  I
            2    5     5   actual  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      bytes  
      start  
      end    

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
         0: .line 82
            aload 0 /* this */
            getfield org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator.reader:Lorg/apache/cassandra/io/util/RandomAccessReader;
            invokevirtual org.apache.cassandra.io.util.RandomAccessReader.close:()V
         1: .line 83
            return
        end local 0 // org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/io/util/DataIntegrityMetadata$ChecksumValidator;
}
SourceFile: "DataIntegrityMetadata.java"
NestHost: org.apache.cassandra.io.util.DataIntegrityMetadata
InnerClasses:
  public ChecksumValidator = org.apache.cassandra.io.util.DataIntegrityMetadata$ChecksumValidator of org.apache.cassandra.io.util.DataIntegrityMetadata
/

org.apache.cassandra/ cassandra-all/ 3.11.5/ org/apache/cassandra/io/util/DataIntegrityMetadata$ChecksumValidator.class
