oracle.spatial.hadoop.vector.cluster.kmeans

Class ClusterInfo

java.lang.Object

IntWritable

oracle.spatial.hadoop.vector.cluster.kmeans.ClusterInfo

public class ClusterInfo
extends IntWritable

Writable class that contains information of a single cluster. Each cluster is identified by an id and contains a criterion function value and a geometry

Author:

hsaucedo

Constructor Summary

Constructors

Constructor and Description
ClusterInfo() Creates a new instance
ClusterInfo(ClusterInfo cluster) Creates a new instanced with the same information than another ClusterInfo

Method Summary

Modifier and Type	Method and Description
double	getCriterionFunctionValue() Gets the criterion function value generated the last time the cluster was updated
int	getId() Gets the cluster id
long	getMemberCount() Gets the number of members contained by the cluster
double[]	getOrdinates() Gets the ordinates of the cluster center point
JGeometry	getShape()
void	readFields(java.io.DataInput in)
void	setCluster(ClusterInfo cluster) Copies the values from another ClusterInfo
void	setCriterionFunctionValue(double criterionFunctionValue) Sets the criterion function value generated the last time the cluster was updated
void	setId(int id) Sets the cluster id
void	setMemberCount(long memberCount) Sets the number of members contained by the cluster
void	setOrdinates(double[] ordinates) Sets the ordinates of the cluster center point
void	setShape(JGeometry shape)
void	write(java.io.DataOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

ClusterInfo

public ClusterInfo()

Creates a new instance

ClusterInfo

public ClusterInfo(ClusterInfo cluster)

Creates a new instanced with the same information than another ClusterInfo

Parameters:

cluster - a ClusterInfo which values will be copied

Method Detail

getCriterionFunctionValue

public double getCriterionFunctionValue()

Gets the criterion function value generated the last time the cluster was updated

Returns:

a criterion function value

getId

public int getId()

Gets the cluster id

Returns:

the cluster id

getMemberCount

public long getMemberCount()

Gets the number of members contained by the cluster

Returns:

the cluster member count

getOrdinates

public double[] getOrdinates()

Gets the ordinates of the cluster center point

Returns:

a point ordinates array

getShape

public JGeometry getShape()

readFields

public void readFields(java.io.DataInput in)
                throws java.io.IOException

Throws:

java.io.IOException

setCluster

public void setCluster(ClusterInfo cluster)

Copies the values from another ClusterInfo

Parameters:

cluster - a ClusterInfo instance

setCriterionFunctionValue

public void setCriterionFunctionValue(double criterionFunctionValue)

Sets the criterion function value generated the last time the cluster was updated

Parameters:

criterionFunctionValue - a criterion function value

setId

public void setId(int id)

Sets the cluster id

Parameters:

id - a cluster id

setMemberCount

public void setMemberCount(long memberCount)

Sets the number of members contained by the cluster

Parameters:

memberCount - the cluster member count

setOrdinates

public void setOrdinates(double[] ordinates)

Sets the ordinates of the cluster center point

Parameters:

ordinates - a point ordinates array

setShape

public void setShape(JGeometry shape)

write

public void write(java.io.DataOutput out)
           throws java.io.IOException

Throws:

java.io.IOException