Package org.apache.sysds.runtime.compress.colgroup.offset

Class AOffsetByte

java.lang.Object

org.apache.sysds.runtime.compress.colgroup.offset.AOffset

org.apache.sysds.runtime.compress.colgroup.offset.AOffsetByte

All Implemented Interfaces:

Serializable, ISliceOffset

Direct Known Subclasses:

OffsetByte, OffsetByteNZ, OffsetByteUNZ

public abstract class AOffsetByte
extends AOffset
implements ISliceOffset

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.sysds.runtime.compress.colgroup.offset.AOffset

AOffset.OffsetSliceInfo

Method Summary

Modifier and Type	Method	Description
int	getLength()	Get the length of the underlying array.
int	getOffsetToFirst()	Get the offset to the first index
int	getOffsetToLast()	Get the offset to the last value

Methods inherited from class org.apache.sysds.runtime.compress.colgroup.offset.AOffset

append, appendN, cacheIterator, clearSkipList, constructSkipList, equals, equals, getExactSizeOnDisk, getInMemorySize, getIterator, getIterator, getOffsetIterator, getSize, moveIndex, preAggregateDenseMap, preAggSparseMap, reverse, slice, toString, verify, write

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.sysds.runtime.compress.colgroup.offset.ISliceOffset

slice

Method Detail

getOffsetToFirst

public final int getOffsetToFirst()

Description copied from class: AOffset

Get the offset to the first index

Specified by:

getOffsetToFirst in class AOffset

Returns:

The first index offset

getOffsetToLast

public final int getOffsetToLast()

Description copied from class: AOffset

Get the offset to the last value

Specified by:

getOffsetToLast in class AOffset

Returns:

The last values offset

getLength

public final int getLength()

Description copied from class: AOffset

Get the length of the underlying array. This does not reflect the number of contained elements, since some of the elements can be skips.

Specified by:

getLength in class AOffset

Returns:

The length of the underlying arrays