com.google.cloud.bigtable.grpc.scanner

Class RowResultScanner<T>

java.lang.Object

com.google.cloud.bigtable.grpc.scanner.RowResultScanner<T>

All Implemented Interfaces:

ResultScanner<T>, Closeable, AutoCloseable

@InternalApi(value="For internal usage only")
public class RowResultScanner<T>
extends Object
implements ResultScanner<T>

A ResultScanner that wraps GCJ ServerStream.

For internal use only - public for technical reasons.

Constructor Summary

Constructors

Constructor and Description
RowResultScanner(com.google.api.gax.rpc.ServerStream<T> stream, T[] arr)

Method Summary

Modifier and Type	Method and Description
int	available() Check number of rows immediately available.
void	close()
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 class java.lang.Object

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

Constructor Detail

RowResultScanner

public RowResultScanner(com.google.api.gax.rpc.ServerStream<T> stream,
                        T[] arr)

Parameters:

stream - a Stream of type Row/FlatRow.

arr - An array of type T length zero.

Method Detail

next

public T next()

Description copied from interface: ResultScanner

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

Specified by:

next in interface ResultScanner<T>

Returns:

a T object.

next

public T[] next(int count)

Description copied from interface: ResultScanner

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

Specified by:

next in interface ResultScanner<T>

Parameters:

count - The number of rows to read.

Returns:

an array of T objects.

available

public int available()

Description copied from interface: ResultScanner

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

Specified by:

available in interface ResultScanner<T>

Returns:

a int.

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable