Class PureJavaCrc32C

  • All Implemented Interfaces:

    public class PureJavaCrc32C
    extends Object
    implements Checksum
    A pure-java implementation of the CRC32 checksum that uses the CRC32-C polynomial, the same polynomial used by iSCSI and implemented on many Intel chipsets supporting SSE4.2. Copied from Hadoop 2.3.6:;a=blob_plain; f=hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/; hb=2120de588b92b9f22b1cc4188761d6a8c61aa778

    This class is Not ThreadSafe

    • Constructor Detail

      • PureJavaCrc32C

        public PureJavaCrc32C()
        Create a new PureJavaCrc32 object.
    • Method Detail

      • getValue

        public long getValue()
        Specified by:
        getValue in interface Checksum
      • reset

        public void reset()
        Specified by:
        reset in interface Checksum
      • update

        public void update​(byte[] b,
                           int off,
                           int len)
        Specified by:
        update in interface Checksum
      • update

        public final void update​(int b)
        Specified by:
        update in interface Checksum