oracle.spatial.hadoop.vector.partition

Class HilbertValueGroup

java.lang.Object

oracle.spatial.hadoop.vector.partition.HilbertValueGroup

All Implemented Interfaces:

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

public class HilbertValueGroup
extends java.lang.Object
implements org.apache.hadoop.io.WritableComparable<HilbertValueGroup>

Writable class that holds a hilbert value and a group id. Used as a record key so different hilbert values can be grouped and be processed by a single reducer.

Constructor Summary

Constructors

Constructor and Description
HilbertValueGroup() Creates a new instance
HilbertValueGroup(long groupId, long hilbertValue) Creates a new instance

Method Summary

Methods

Modifier and Type	Method and Description
static int	compare(org.apache.hadoop.io.LongWritable a, org.apache.hadoop.io.LongWritable b)
int	compareTo(HilbertValueGroup lp)
boolean	equals(java.lang.Object obj)
org.apache.hadoop.io.LongWritable	getGroupId() Gets the current group id
org.apache.hadoop.io.LongWritable	getHilbertValue() Gets the hilbert value
int	hashCode()
void	readFields(java.io.DataInput in)
void	set(org.apache.hadoop.io.LongWritable groupId, org.apache.hadoop.io.LongWritable hilbertValue) Sets the given group id and hilbert value to an existing instance
void	setGroupId(org.apache.hadoop.io.LongWritable partitionId) Sets a group id
void	setHilbertValue(org.apache.hadoop.io.LongWritable hilbertValue) Sets a hilbert value
java.lang.String	toString()
void	write(java.io.DataOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

HilbertValueGroup

public HilbertValueGroup()

Creates a new instance

HilbertValueGroup

public HilbertValueGroup(long groupId,
                         long hilbertValue)

Creates a new instance

Parameters:

groupId -

hilbertValue -

Method Detail

set

public void set(org.apache.hadoop.io.LongWritable groupId,
                org.apache.hadoop.io.LongWritable hilbertValue)

Sets the given group id and hilbert value to an existing instance

Parameters:

groupId -

hilbertValue -

setGroupId

public void setGroupId(org.apache.hadoop.io.LongWritable partitionId)

Sets a group id

Parameters:

partitionId -

getGroupId

public org.apache.hadoop.io.LongWritable getGroupId()

Gets the current group id

Returns:

setHilbertValue

public void setHilbertValue(org.apache.hadoop.io.LongWritable hilbertValue)

Sets a hilbert value

Parameters:

hilbertValue -

getHilbertValue

public org.apache.hadoop.io.LongWritable getHilbertValue()

Gets the hilbert value

Returns:

write

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

Specified by:

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

Throws:

java.io.IOException

readFields

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

Specified by:

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

Throws:

java.io.IOException

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

compareTo

public int compareTo(HilbertValueGroup lp)

Specified by:

compareTo in interface java.lang.Comparable<HilbertValueGroup>

compare

public static int compare(org.apache.hadoop.io.LongWritable a,
                          org.apache.hadoop.io.LongWritable b)