org.apache.sysds.runtime.controlprogram.caching

Class TensorObject

java.lang.Object

org.apache.sysds.runtime.instructions.cp.Data

org.apache.sysds.runtime.controlprogram.caching.CacheableData<TensorBlock>

org.apache.sysds.runtime.controlprogram.caching.TensorObject

All Implemented Interfaces:

Serializable

public class TensorObject
extends CacheableData<TensorBlock>

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.sysds.runtime.controlprogram.caching.CacheableData

CacheableData.CacheStatus

Field Summary

Fields inherited from class org.apache.sysds.runtime.controlprogram.caching.CacheableData

cacheEvictionLocalFilePath, cacheEvictionLocalFilePrefix, CACHING_ASYNC_FILECLEANUP, CACHING_BUFFER_PAGECACHE, CACHING_BUFFER_POLICY, CACHING_BUFFER_SIZE, CACHING_COUNTER_GROUP_NAME, CACHING_EVICTION_FILEEXTENSION, CACHING_THRESHOLD, CACHING_WRITE_CACHE_ON_READ

Constructor Summary

Constructors

Constructor and Description
TensorObject(String fname)
TensorObject(String fname, MetaData meta)
TensorObject(TensorObject fo) Copy constructor that copies meta data but NO data.
TensorObject(Types.ValueType vt, String fname)

Method Summary

Modifier and Type	Method and Description
long	getNnz()
long	getNumColumns()
long	getNumRows()
void	refreshMetaData()

Methods inherited from class org.apache.sysds.runtime.controlprogram.caching.CacheableData

acquireModify, acquireRead, acquireReadAndRelease, addBroadcastSize, cleanupCacheDir, cleanupCacheDir, clearData, clearData, disableCaching, enableCaching, enableCleanup, exportData, exportData, exportData, exportData, exportData, exportData, freeEvictedBlob, getBroadcastHandle, getBroadcastSize, getDataCharacteristics, getDataSize, getDebugName, getFedMapping, getFileFormatProperties, getFileName, getGPUObject, getMetaData, getRDDHandle, getStatus, getUniqueID, initCaching, initCaching, isCached, isCachingActive, isCleanupEnabled, isDirty, isFederated, isFederated, isHDFSFileExists, moveData, release, removeMetaData, setBroadcastHandle, setDirty, setEmptyStatus, setFedMapping, setFileFormatProperties, setFileName, setGPUObject, setHDFSFileExists, setMetaData, setRDDHandle, toString

Methods inherited from class org.apache.sysds.runtime.instructions.cp.Data

getDataType, getPrivacyConstraint, getValueType, setPrivacyConstraints, updateDataCharacteristics

Methods inherited from class java.lang.Object

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

Constructor Detail

TensorObject

public TensorObject(String fname)

TensorObject

public TensorObject(Types.ValueType vt,
                    String fname)

TensorObject

public TensorObject(String fname,
                    MetaData meta)

TensorObject

public TensorObject(TensorObject fo)

Copy constructor that copies meta data but NO data.

Parameters:

fo - frame object

Method Detail

refreshMetaData

public void refreshMetaData()

Specified by:

refreshMetaData in class CacheableData<TensorBlock>

getNumRows

public long getNumRows()

Overrides:

getNumRows in class CacheableData<TensorBlock>

getNumColumns

public long getNumColumns()

Overrides:

getNumColumns in class CacheableData<TensorBlock>

getNnz

public long getNnz()