org.apache.beam.runners.dataflow.internal

Class IsmFormat.IsmShard

java.lang.Object

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

Modifier and Type	Method and 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.