com.jidesoft.grouper.date

Class DateGrouper

java.lang.Object

com.jidesoft.grouper.AbstractObjectGrouper

com.jidesoft.grouper.date.DateGrouper

All Implemented Interfaces:

ObjectGrouper

Direct Known Subclasses:

DateDayOfMonthGrouper, DateDayOfWeekGrouper, DateDayOfWeekInMonthGrouper, DateDayOfYearGrouper, DateMonthGrouper, DateQuarterGrouper, DateWeekOfMonthGrouper, DateWeekOfYearGrouper, DateYearGrouper

public abstract class DateGrouper
extends AbstractObjectGrouper

An abstract Grouper which can take data type such as Date, Calendar or Long and provide getCalendarFieldAsInt(Object,int) and getCalendarField(Object,int) methods to access the field of the Calendar.

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.util.Calendar	INSTANCE

Constructor Summary

Constructors

Constructor and Description
DateGrouper()

Method Summary

Modifier and Type	Method and Description
static java.lang.Object	getCalendarField(java.lang.Object value, int field)
static int	getCalendarFieldAsInt(java.lang.Object value, int field)
java.lang.Class<?>	getType() Gets the group value type.

Methods inherited from class com.jidesoft.grouper.AbstractObjectGrouper

getComparatorContext, getConverterContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.jidesoft.grouper.ObjectGrouper

getName, getValue

Field Detail

INSTANCE

protected static java.util.Calendar INSTANCE

Constructor Detail

DateGrouper

public DateGrouper()

Method Detail

getCalendarField

public static java.lang.Object getCalendarField(java.lang.Object value,
                                                int field)

getCalendarFieldAsInt

public static int getCalendarFieldAsInt(java.lang.Object value,
                                        int field)

getType

public java.lang.Class<?> getType()

Description copied from interface: ObjectGrouper

Gets the group value type. It should be the type of the value that is returned from the getGroupValue.

Returns:

the group value type.