edu.berkeley.cs186.database.table.stats

Class IntHistogram

java.lang.Object

edu.berkeley.cs186.database.table.stats.IntHistogram

All Implemented Interfaces:

Histogram<Integer>

public class IntHistogram
extends Object
implements Histogram<Integer>

Constructor Summary

Constructors

Constructor and Description
IntHistogram()

Method Summary

Methods

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

IntHistogram

public IntHistogram()

Method Detail

getAllBuckets

public List<Bucket<Integer>> getAllBuckets()

Description copied from interface: Histogram

Return all of the buckets in the histogram

Specified by:

getAllBuckets in interface Histogram<Integer>

Returns:

the list of buckets

addValue

public void addValue(Integer value)

Description copied from interface: Histogram

Add a new value to the Histogram.

Specified by:

addValue in interface Histogram<Integer>

Parameters:

value - the value to add

removeValue

public void removeValue(Integer value)

Description copied from interface: Histogram

Removes a value from the Histogram

Specified by:

removeValue in interface Histogram<Integer>

Parameters:

value - the value to remove

getEntriesInRange

public int getEntriesInRange(Integer start,
                    Integer 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<Integer>

Parameters:

start - the inclusive start of the range

end - the non-inclusive end of the range

Returns:

the number of values in this range