edu.berkeley.cs186.database.table.stats

Class BoolHistogram

java.lang.Object

edu.berkeley.cs186.database.table.stats.BoolHistogram

All Implemented Interfaces:

Histogram<Boolean>

public class BoolHistogram
extends Object
implements Histogram<Boolean>

Constructor Summary

Constructors

Constructor and Description
BoolHistogram()

Method Summary

Methods

Modifier and Type	Method and Description
void	addValue(Boolean value) Add a new value to the Histogram.
List<Bucket<Boolean>>	getAllBuckets() Return all of the buckets in the histogram
int	getEntriesInRange(Boolean start, Boolean end) Get the number of values within a given range, including start and up to but not including end.
void	removeValue(Boolean value) Removes a value from the Histogram

Methods inherited from class java.lang.Object

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

Constructor Detail

BoolHistogram

public BoolHistogram()

Method Detail

getAllBuckets

public List<Bucket<Boolean>> getAllBuckets()

Description copied from interface: Histogram

Return all of the buckets in the histogram

Specified by:

getAllBuckets in interface Histogram<Boolean>

Returns:

the list of buckets

getEntriesInRange

public int getEntriesInRange(Boolean start,
                    Boolean end)

Description copied from interface: Histogram

Get the number of values within a given range, including start and up to but not including end.

Specified by:

getEntriesInRange in interface Histogram<Boolean>

Parameters:

start - the inclusive start of the range

end - the non-inclusive end of the range

Returns:

the number of values in this range

removeValue

public void removeValue(Boolean value)

Description copied from interface: Histogram

Removes a value from the Histogram

Specified by:

removeValue in interface Histogram<Boolean>

Parameters:

value - the value to remove

addValue

public void addValue(Boolean value)

Description copied from interface: Histogram

Add a new value to the Histogram.

Specified by:

addValue in interface Histogram<Boolean>

Parameters:

value - the value to add