ResultScanner (Cloud Bigtable HBase Client for Java 1.12.0 API)

com.google.cloud.bigtable.grpc.scanner

Interface ResultScanner<T>

• Type Parameters:

  T - The type of Rows this scanner will iterate over. Expected Bigtable Row objects.

  All Superinterfaces:

  AutoCloseable, Closeable

  All Known Implementing Classes:

  ResumingStreamingResultScanner, RowResultScanner

  ---

  
  

  public interface ResultScanner<T>
  extends Closeable

  A scanner of Bigtable rows.

  Version:

  $Id: $Id

  Author:

  sduskis

• • Method Summary

    All Methods Instance Methods Abstract Methods 

    Modifier and Type	Method and Description
    int	available() Check number of rows immediately available.
    T	next() Read the next row and block until a row is available.
    T[]	next(int count) Read the next N rows where N <= count.

    • Methods inherited from interface java.io.Closeable

      close

• • Method Detail

    • next

      T next()
      throws IOException

      Read the next row and block until a row is available. Will return null on end-of-stream.

      Returns:

      a T object.

      Throws:

      IOException - if any.

    • next

      T[] next(int count)
        throws IOException

      Read the next N rows where N <= count. Will block until count are available or end-of-stream is reached.

      Parameters:

      count - The number of rows to read.

      Returns:

      an array of T objects.

      Throws:

      IOException - if any.

    • available

      int available()

      Check number of rows immediately available. Calls to next() will not block on network for at least n results.

      Returns:

      a int.