Package org.apache.cassandra.io.util

Class DataIntegrityMetadata.ChecksumValidator

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    Enclosing class:
    DataIntegrityMetadata
    public static class DataIntegrityMetadata.ChecksumValidator
extends java.lang.Object
implements java.io.Closeable

    • Field Summary

      Fields 
      Modifier and Type Field Description
      int chunkSize  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      long chunkStart​(long offset)  
      void close()  
      void seek​(long offset)  
      void validate​(byte[] bytes, int start, int end)  
      void validate​(java.nio.ByteBuffer buffer)
      validates the checksum with the bytes from the specified buffer.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • chunkSize

        public final int chunkSize

    • Constructor Detail

      • ChecksumValidator

        public ChecksumValidator​(File dataFile,
                         File crcFile)
                  throws java.io.IOException
        Throws:
        java.io.IOException

      • ChecksumValidator

        public ChecksumValidator​(ChecksumType checksumType,
                         RandomAccessReader reader,
                         java.lang.String dataFilename)
                  throws java.io.IOException
        Throws:
        java.io.IOException

    • Method Detail

      • seek

        public void seek​(long offset)

      • chunkStart

        public long chunkStart​(long offset)

      • validate

        public void validate​(byte[] bytes,
                     int start,
                     int end)
              throws java.io.IOException
        Throws:
        java.io.IOException

      • validate

        public void validate​(java.nio.ByteBuffer buffer)
              throws java.io.IOException
        validates the checksum with the bytes from the specified buffer. Upon return, the buffer's position will be updated to its limit; its limit will not have been changed.
        Throws:
        java.io.IOException

      • close

        public void close()
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable