com.google.cloud.bigtable.grpc.scanner

Interface ResultScanner<T>

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

ResumingStreamingResultScanner, RowResultScanner

@InternalExtensionOnly
public interface ResultScanner<T>
extends Closeable

A scanner of Bigtable rows.

Method Summary

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.