Package org.apache.beam.runners.dataflow.internal

Class IsmFormat.IsmShard

  • Enclosing class:
    IsmFormat
    public abstract static class IsmFormat.IsmShard
extends java.lang.Object
    A shard descriptor containing shard id, the data block offset, and the index offset for the given shard.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      long getBlockOffset()
      Return the absolute position within the Ism file where the data block begins.
      int getId()
      Return the shard id.
      long getIndexOffset()
      Return the absolute position within the Ism file where the index block begins.
      static IsmFormat.IsmShard of​(int id, long blockOffset)
      Returns an IsmShard with the given id, block offset and no index offset.
      static IsmFormat.IsmShard of​(int id, long blockOffset, long indexOffset)
      Returns an IsmShard with the given id, block offset, and index offset.
      IsmFormat.IsmShard withIndexOffset​(long indexOffset)
      Returns a new IsmShard like this one with the specified index offset.

      • Methods inherited from class java.lang.Object

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

    • Method Detail

      • of

        public static IsmFormat.IsmShard of​(int id,
                                    long blockOffset)
        Returns an IsmShard with the given id, block offset and no index offset.

      • of

        public static IsmFormat.IsmShard of​(int id,
                                    long blockOffset,
                                    long indexOffset)
        Returns an IsmShard with the given id, block offset, and index offset.

      • getId

        public int getId()
        Return the shard id.

      • getBlockOffset

        public long getBlockOffset()
        Return the absolute position within the Ism file where the data block begins.

      • getIndexOffset

        public long getIndexOffset()
        Return the absolute position within the Ism file where the index block begins. Throws IllegalStateException if the index offset was never specified.

      • withIndexOffset

        public IsmFormat.IsmShard withIndexOffset​(long indexOffset)
        Returns a new IsmShard like this one with the specified index offset.