org.apache.lens.cube.metadata

Class TimePartitionRange

java.lang.Object

org.apache.lens.cube.metadata.TimePartitionRange

All Implemented Interfaces:

Iterable<TimePartition>, Named

public class TimePartitionRange
extends Object
implements Iterable<TimePartition>, Named

Range of time partition. [begin,end). i.e. inclusive begin and exclusive end.

Constructor Summary

Constructors

Constructor and Description
TimePartitionRange(TimePartition begin, TimePartition end)

Method Summary

Methods

Modifier and Type	Method and Description
static TimePartitionRange	between(Date from, Date to, UpdatePeriod period)
boolean	contains(TimePartition partition)
boolean	equals(Object o)
TimePartition	getBegin()
TimePartition	getEnd()
String	getName()
int	hashCode()
boolean	isEmpty()
boolean	isValidAndNonEmpty()
Iterator<TimePartition>	iterator() returns TimePartition objects starting from begin and upto(excluding) end.
static TimePartitionRange	parseFrom(UpdatePeriod updatePeriod, String from, String to)
void	setBegin(TimePartition begin)
void	setEnd(TimePartition end)
long	size()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TimePartitionRange

public TimePartitionRange(TimePartition begin,
                  TimePartition end)
                   throws LensException

Throws:

LensException

Method Detail

between

public static TimePartitionRange between(Date from,
                         Date to,
                         UpdatePeriod period)
                                  throws LensException

Throws:

LensException

toString

public String toString()

Overrides:

toString in class Object

iterator

public Iterator<TimePartition> iterator()

returns TimePartition objects starting from begin and upto(excluding) end. interval of iteration is the update period of the partitions. Assumes both partitions have same update period.

Specified by:

iterator in interface Iterable<TimePartition>

contains

public boolean contains(TimePartition partition)

Parameters:

partition -

Returns:

begin <= partition < end

isEmpty

public boolean isEmpty()

Returns:

if range is empty range.

getName

public String getName()

Specified by:

getName in interface Named

parseFrom

public static TimePartitionRange parseFrom(UpdatePeriod updatePeriod,
                           String from,
                           String to)
                                    throws LensException

Throws:

LensException

size

public long size()

isValidAndNonEmpty

public boolean isValidAndNonEmpty()

getBegin

@Generated(value="lombok")
public TimePartition getBegin()

getEnd

@Generated(value="lombok")
public TimePartition getEnd()

setBegin

@Generated(value="lombok")
public void setBegin(TimePartition begin)

setEnd

@Generated(value="lombok")
public void setEnd(TimePartition end)

equals

@Generated(value="lombok")
public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

@Generated(value="lombok")
public int hashCode()

Overrides:

hashCode in class Object