io.cdap.cdap.api.dataset.lib.partitioned

Class DefaultConsumablePartition

java.lang.Object

io.cdap.cdap.api.dataset.lib.partitioned.DefaultConsumablePartition

All Implemented Interfaces:

ConsumablePartition

public final class DefaultConsumablePartition
extends Object
implements ConsumablePartition

Default implementation of ConsumablePartition.

Constructor Summary

Constructors

Constructor and Description
DefaultConsumablePartition(PartitionKey partitionKey)
DefaultConsumablePartition(PartitionKey partitionKey, ProcessState processState, long timestamp, int numFailures)

Method Summary

Modifier and Type	Method and Description
void	complete() Marks the ProcessState as COMPLETED
void	discard() Marks the ProcessState as DISCARDED
boolean	equals(Object o)
int	getNumFailures()
PartitionKey	getPartitionKey()
ProcessState	getProcessState()
long	getTimestamp()
int	hashCode()
int	incrementNumFailures()
void	retry() Marks the ProcessState as AVAILABLE, resets the timestamp to 0, and increments the number of failures by 1
void	setProcessState(ProcessState processState) Sets a ProcessState to this ConsumablePartition
void	setTimestamp(long timestamp) Set a timestamp on this partition, when this partition is claimed for processing.
void	take() Marks the ProcessState as IN_PROGRESS
byte[]	toBytes()
void	untake() Marks the ProcessState as AVAILABLE, after it has been taken.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultConsumablePartition

public DefaultConsumablePartition(PartitionKey partitionKey)

DefaultConsumablePartition

public DefaultConsumablePartition(PartitionKey partitionKey,
                                  ProcessState processState,
                                  long timestamp,
                                  int numFailures)

Method Detail

getPartitionKey

public PartitionKey getPartitionKey()

Specified by:

getPartitionKey in interface ConsumablePartition

Returns:

the PartitionKey associated with this partition

getTimestamp

public long getTimestamp()

Specified by:

getTimestamp in interface ConsumablePartition

Returns:

the timestamp that this partition was claimed for processing, or 0 if it is not IN_PROGRESS

setTimestamp

public void setTimestamp(long timestamp)

Description copied from interface: ConsumablePartition

Set a timestamp on this partition, when this partition is claimed for processing.

Specified by:

setTimestamp in interface ConsumablePartition

getNumFailures

public int getNumFailures()

Specified by:

getNumFailures in interface ConsumablePartition

Returns:

the number of failure attempts this partition has had

incrementNumFailures

public int incrementNumFailures()

Specified by:

incrementNumFailures in interface ConsumablePartition

Returns:

the number of failures after incrementing

getProcessState

public ProcessState getProcessState()

Specified by:

getProcessState in interface ConsumablePartition

Returns:

this ConsumablePartition's ProcessState

setProcessState

public void setProcessState(ProcessState processState)

Description copied from interface: ConsumablePartition

Sets a ProcessState to this ConsumablePartition

Specified by:

setProcessState in interface ConsumablePartition

take

public void take()

Description copied from interface: ConsumablePartition

Marks the ProcessState as IN_PROGRESS

Specified by:

take in interface ConsumablePartition

untake

public void untake()

Description copied from interface: ConsumablePartition

Marks the ProcessState as AVAILABLE, after it has been taken.

Specified by:

untake in interface ConsumablePartition

retry

public void retry()

Description copied from interface: ConsumablePartition

Marks the ProcessState as AVAILABLE, resets the timestamp to 0, and increments the number of failures by 1

Specified by:

retry in interface ConsumablePartition

complete

public void complete()

Description copied from interface: ConsumablePartition

Marks the ProcessState as COMPLETED

Specified by:

complete in interface ConsumablePartition

discard

public void discard()

Description copied from interface: ConsumablePartition

Marks the ProcessState as DISCARDED

Specified by:

discard in interface ConsumablePartition

toBytes

public byte[] toBytes()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object