com.pervasive.datarush.cal

Class PartitionInstanceInfo

java.lang.Object

com.pervasive.datarush.cal.PartitionInstanceInfo

All Implemented Interfaces:

Serializable

public final class PartitionInstanceInfo
extends Object
implements Serializable

Information pertaining to an instance of a partitioning operation. Captures the total partition count and the identifier of the current partition (holder of and object of this class). The partition identifier is a zero-based, one-up number used to uniquely identify each partition within a partition set.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static PartitionInstanceInfo	MASTER Partition info for a master node.

Constructor Summary

Constructors

Constructor and Description
PartitionInstanceInfo(NodeAllocationState.AssignmentState assignment, int partitionCount) Construct with given count and ID.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o)
NodeAllocationState.AssignmentState	getAssignment() Returns the assignment
int	getPartitionCount() Get the partition count.
int	getPartitionID() Get the partition ID.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

MASTER

public static final PartitionInstanceInfo MASTER

Partition info for a master node. Partition id is always zero and partitionCount is always one because only workers are parallelizable.

Constructor Detail

PartitionInstanceInfo

public PartitionInstanceInfo(NodeAllocationState.AssignmentState assignment,
                     int partitionCount)

Construct with given count and ID.

Parameters:

partitionCount - total partition count

partitionID - current partition ID

Method Detail

getPartitionCount

public int getPartitionCount()

Get the partition count.

Returns:

partition count

getAssignment

public NodeAllocationState.AssignmentState getAssignment()

Returns the assignment

Returns:

the assignment

getPartitionID

public int getPartitionID()

Get the partition ID.

Returns:

partition ID

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object