oracle.spatial.hadoop.vector.cluster.kmeans

Class ClusterInfo

java.lang.Object

org.apache.hadoop.io.IntWritable

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

All Implemented Interfaces:

java.lang.Comparable<org.apache.hadoop.io.IntWritable>, org.apache.hadoop.io.Writable, org.apache.hadoop.io.WritableComparable<org.apache.hadoop.io.IntWritable>

public class ClusterInfo
extends org.apache.hadoop.io.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

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.io.IntWritable

org.apache.hadoop.io.IntWritable.Comparator

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

Methods

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
oracle.spatial.geometry.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(oracle.spatial.geometry.JGeometry shape)
void	write(java.io.DataOutput out)

Methods inherited from class org.apache.hadoop.io.IntWritable

compareTo, equals, get, hashCode, set, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, 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

setCluster

public void setCluster(ClusterInfo cluster)

Copies the values from another ClusterInfo

Parameters:

cluster - a ClusterInfo instance

setId

public void setId(int id)

Sets the cluster id

Parameters:

id - a cluster id

getId

public int getId()

Gets the cluster id

Returns:

the cluster id

setOrdinates

public void setOrdinates(double[] ordinates)

Sets the ordinates of the cluster center point

Parameters:

ordinates - a point ordinates array

getOrdinates

public double[] getOrdinates()

Gets the ordinates of the cluster center point

Returns:

a point ordinates array

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

getCriterionFunctionValue

public double getCriterionFunctionValue()

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

Returns:

a criterion function value

setMemberCount

public void setMemberCount(long memberCount)

Sets the number of members contained by the cluster

Parameters:

memberCount - the cluster member count

getMemberCount

public long getMemberCount()

Gets the number of members contained by the cluster

Returns:

the cluster member count

readFields

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

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Overrides:

readFields in class org.apache.hadoop.io.IntWritable

Throws:

java.io.IOException

write

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

Specified by:

write in interface org.apache.hadoop.io.Writable

Overrides:

write in class org.apache.hadoop.io.IntWritable

Throws:

java.io.IOException

setShape

public void setShape(oracle.spatial.geometry.JGeometry shape)

getShape

public oracle.spatial.geometry.JGeometry getShape()