Package org.apache.orc.impl

Class ReaderImpl.StripeInformationImpl

java.lang.Object

org.apache.orc.impl.ReaderImpl.StripeInformationImpl

All Implemented Interfaces:

StripeInformation

Enclosing class:

ReaderImpl

public static class ReaderImpl.StripeInformationImpl
extends Object
implements StripeInformation

Constructor Summary

Constructors

Constructor	Description
StripeInformationImpl(OrcProto.StripeInformation stripe, long stripeId, long previousOriginalStripeId, byte[][] previousKeys)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
long	getDataLength()	Get the length of the stripe's data.
byte[][]	getEncryptedLocalKeys()	Get the encrypted keys starting from this stripe until overridden by a new set in a following stripe.
long	getEncryptionStripeId()	Get the original stripe id that was used when the stripe was originally written.
long	getFooterLength()	Get the length of the stripe's tail section, which contains its index.
long	getIndexLength()	Get the length of the stripe's indexes.
long	getLength()	Get the total length of the stripe in bytes.
long	getNumberOfRows()	Get the number of rows in the stripe.
long	getOffset()	Get the byte offset of the start of the stripe.
long	getStripeId()	Get the index of this stripe in the current file.
boolean	hasEncryptionStripeId()	Does this stripe have an explicit encryption stripe id set?
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

StripeInformationImpl

public StripeInformationImpl(OrcProto.StripeInformation stripe,
 long stripeId,
 long previousOriginalStripeId,
 byte[][] previousKeys)

Method Details

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getOffset

public long getOffset()

Description copied from interface: StripeInformation

Get the byte offset of the start of the stripe.

Specified by:

getOffset in interface StripeInformation

Returns:

the bytes from the start of the file

getLength

public long getLength()

Description copied from interface: StripeInformation

Get the total length of the stripe in bytes.

Specified by:

getLength in interface StripeInformation

Returns:

the number of bytes in the stripe

getDataLength

public long getDataLength()

Description copied from interface: StripeInformation

Get the length of the stripe's data.

Specified by:

getDataLength in interface StripeInformation

Returns:

the number of bytes in the stripe

getFooterLength

public long getFooterLength()

Description copied from interface: StripeInformation

Get the length of the stripe's tail section, which contains its index.

Specified by:

getFooterLength in interface StripeInformation

Returns:

the number of bytes in the tail

getIndexLength

public long getIndexLength()

Description copied from interface: StripeInformation

Get the length of the stripe's indexes.

Specified by:

getIndexLength in interface StripeInformation

Returns:

the number of bytes in the index

getNumberOfRows

public long getNumberOfRows()

Description copied from interface: StripeInformation

Get the number of rows in the stripe.

Specified by:

getNumberOfRows in interface StripeInformation

Returns:

a count of the number of rows

getStripeId

public long getStripeId()

Description copied from interface: StripeInformation

Get the index of this stripe in the current file.

Specified by:

getStripeId in interface StripeInformation

Returns:

0 to number_of_stripes - 1

hasEncryptionStripeId

public boolean hasEncryptionStripeId()

Description copied from interface: StripeInformation

Does this stripe have an explicit encryption stripe id set?

Specified by:

hasEncryptionStripeId in interface StripeInformation

Returns:

true if this stripe was the first stripe of a merge

getEncryptionStripeId

public long getEncryptionStripeId()

Description copied from interface: StripeInformation

Get the original stripe id that was used when the stripe was originally written. This is only different that getStripeId in merged files.

Specified by:

getEncryptionStripeId in interface StripeInformation

Returns:

the original stripe id + 1

getEncryptedLocalKeys

public byte[][] getEncryptedLocalKeys()

Description copied from interface: StripeInformation

Get the encrypted keys starting from this stripe until overridden by a new set in a following stripe. The top level array is one for each encryption variant. Each element is an encrypted key.

Specified by:

getEncryptedLocalKeys in interface StripeInformation

Returns:

the array of encrypted keys

toString

public String toString()

Overrides:

toString in class Object