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java.lang.Objectorg.zkoss.pivot.impl.util.Calculations
public class Calculations
A utility class for the pivot package.
Constructor Summary | |
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Calculations()
|
Method Summary | |
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static int |
compare(java.lang.Object o1,
java.lang.Object o2)
A common compareTo method for String , Date , Float ,
Double , Integer , Long , Short ,
Byte , Calendar , and Boolean . |
static java.util.Collection<java.lang.Object> |
getNonNullValues(java.util.Collection<java.lang.Object> data)
Filter the array to return an array containing only non null values |
static java.util.List<java.lang.Number> |
getNumericValues(java.util.Collection<java.lang.Object> data,
boolean strict)
Filter the array to return an array containing only numeric values |
static java.lang.Number |
sum(java.util.Collection<java.lang.Object> data)
A common sum method for Double , Float , Integer ,
Long , Short , and Byte . |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Calculations()
Method Detail |
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public static int compare(java.lang.Object o1, java.lang.Object o2)
String
, Date
, Float
,
Double
, Integer
, Long
, Short
,
Byte
, Calendar
, and Boolean
.
Otherwise Object.toString() will be assumed.
public static java.lang.Number sum(java.util.Collection<java.lang.Object> data)
Double
, Float
, Integer
,
Long
, Short
, and Byte
.
Otherwise, it will count the data length.
public static java.util.Collection<java.lang.Object> getNonNullValues(java.util.Collection<java.lang.Object> data)
public static java.util.List<java.lang.Number> getNumericValues(java.util.Collection<java.lang.Object> data, boolean strict)
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