org.apache.orc.impl

Interface HadoopShims.ZeroCopyReaderShim

All Superinterfaces:

AutoCloseable, Closeable

Enclosing interface:

HadoopShims

public static interface HadoopShims.ZeroCopyReaderShim
extends Closeable

Method Summary

Modifier and Type	Method and Description
void	close() Close the underlying stream.
ByteBuffer	readBuffer(int maxLength, boolean verifyChecksums) Get a ByteBuffer from the FSDataInputStream - this can be either a HeapByteBuffer or an MappedByteBuffer.
void	releaseBuffer(ByteBuffer buffer) Release a ByteBuffer obtained from a read on the Also move the in stream by that amount.

Method Detail

readBuffer

ByteBuffer readBuffer(int maxLength,
                      boolean verifyChecksums)
               throws IOException

Get a ByteBuffer from the FSDataInputStream - this can be either a HeapByteBuffer or an MappedByteBuffer. Also move the in stream by that amount. The data read can be small than maxLength.

Returns:

ByteBuffer read from the stream,

Throws:

IOException

releaseBuffer

void releaseBuffer(ByteBuffer buffer)

Release a ByteBuffer obtained from a read on the Also move the in stream by that amount. The data read can be small than maxLength.

close

void close()
    throws IOException

Close the underlying stream.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException