|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectjavax.xml.datatype.XMLGregorianCalendar
public abstract class XMLGregorianCalendar
An XML Schema 1.0 date/time data type.
Constructor Summary | |
---|---|
XMLGregorianCalendar()
|
Method Summary | |
---|---|
abstract void |
add(Duration duration)
Adds the specified duration to this calendar. |
abstract void |
clear()
Resets all fields to undefined. |
abstract Object |
clone()
This method may be called to create a new copy of the Object. |
abstract int |
compare(XMLGregorianCalendar xmlGregorianCalendar)
|
boolean |
equals(Object obj)
Determine whether this Object is semantically equal to another Object. |
abstract int |
getDay()
|
abstract BigInteger |
getEon()
|
abstract BigInteger |
getEonAndYear()
|
abstract BigDecimal |
getFractionalSecond()
|
abstract int |
getHour()
|
int |
getMillisecond()
|
abstract int |
getMinute()
|
abstract int |
getMonth()
|
abstract int |
getSecond()
|
abstract int |
getTimezone()
|
abstract TimeZone |
getTimeZone(int defaultZoneoffset)
|
abstract QName |
getXMLSchemaType()
|
abstract int |
getYear()
|
int |
hashCode()
Get a value that represents this Object, as uniquely as possible within the confines of an int. |
abstract boolean |
isValid()
Determines the validity of this calendar by getXMLSchemaType constraints. |
abstract XMLGregorianCalendar |
normalize()
|
abstract void |
reset()
Resets all fields to their original values. |
abstract void |
setDay(int day)
|
abstract void |
setFractionalSecond(BigDecimal fractional)
|
abstract void |
setHour(int hour)
|
abstract void |
setMillisecond(int millisecond)
|
abstract void |
setMinute(int minute)
|
abstract void |
setMonth(int month)
|
abstract void |
setSecond(int second)
|
void |
setTime(int hour,
int minute,
int second)
|
void |
setTime(int hour,
int minute,
int second,
BigDecimal fractional)
|
void |
setTime(int hour,
int minute,
int second,
int millisecond)
|
abstract void |
setTimezone(int offset)
|
abstract void |
setYear(BigInteger year)
|
abstract void |
setYear(int year)
|
abstract GregorianCalendar |
toGregorianCalendar()
|
abstract GregorianCalendar |
toGregorianCalendar(TimeZone timezone,
Locale locale,
XMLGregorianCalendar defaults)
|
String |
toString()
Convert this Object to a human-readable String. |
abstract String |
toXMLFormat()
Returns the XML Schema lexical representation of this calendar. |
Methods inherited from class java.lang.Object |
---|
finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
---|
public XMLGregorianCalendar()
Method Detail |
---|
public abstract void clear()
public abstract void reset()
public abstract void setYear(BigInteger year)
public abstract void setYear(int year)
public abstract void setMonth(int month)
public abstract void setDay(int day)
public abstract void setTimezone(int offset)
public void setTime(int hour, int minute, int second)
public abstract void setHour(int hour)
public abstract void setMinute(int minute)
public abstract void setSecond(int second)
public abstract void setMillisecond(int millisecond)
public abstract void setFractionalSecond(BigDecimal fractional)
public void setTime(int hour, int minute, int second, BigDecimal fractional)
public void setTime(int hour, int minute, int second, int millisecond)
public abstract BigInteger getEon()
public abstract int getYear()
public abstract BigInteger getEonAndYear()
public abstract int getMonth()
public abstract int getDay()
public abstract int getTimezone()
public abstract int getHour()
public abstract int getMinute()
public abstract int getSecond()
public int getMillisecond()
public abstract BigDecimal getFractionalSecond()
public abstract int compare(XMLGregorianCalendar xmlGregorianCalendar)
public abstract XMLGregorianCalendar normalize()
public boolean equals(Object obj)
Object
There are some fairly strict requirements on this
method which subclasses must follow:
a.equals(b)
and
b.equals(c)
, then a.equals(c)
must be true as well.a.equals(b)
and
b.equals(a)
must have the same value.a.equals(a)
must
always be true.a.equals(null)
must be false.a.equals(b)
must imply
a.hashCode() == b.hashCode()
.
The reverse is not true; two objects that are not
equal may have the same hashcode, but that has
the potential to harm hashing performance.This is typically overridden to throw a ClassCastException
if the argument is not comparable to the class performing
the comparison, but that is not a requirement. It is legal
for a.equals(b)
to be true even though
a.getClass() != b.getClass()
. Also, it
is typical to never cause a NullPointerException
.
In general, the Collections API (java.util
) use the
equals
method rather than the ==
operator to compare objects. However, IdentityHashMap
is an exception to this rule, for its own good reasons.
The default implementation returns this == o
.
equals
in class Object
obj
- the Object to compare to
Object.hashCode()
public int hashCode()
Object
There are some requirements on this method which
subclasses must follow:
a.equals(b)
is true, then
a.hashCode() == b.hashCode()
must be as well.
However, the reverse is not necessarily true, and two
objects may have the same hashcode without being equal.Notice that since hashCode
is used in
Hashtable
and other hashing classes,
a poor implementation will degrade the performance of hashing
(so don't blindly implement it as returning a constant!). Also,
if calculating the hash is time-consuming, a class may consider
caching the results.
The default implementation returns
System.identityHashCode(this)
hashCode
in class Object
Object.equals(Object)
,
System.identityHashCode(Object)
public abstract String toXMLFormat()
public abstract QName getXMLSchemaType()
public String toString()
Object
System.out.println()
and such.
It is typical, but not required, to ensure that this method
never completes abruptly with a RuntimeException
.
This method will be called when performing string
concatenation with this object. If the result is
null
, string concatenation will instead
use "null"
.
The default implementation returns
getClass().getName() + "@" +
Integer.toHexString(hashCode())
.
toString
in class Object
Object.getClass()
,
Object.hashCode()
,
Class.getName()
,
Integer.toHexString(int)
public abstract boolean isValid()
getXMLSchemaType
constraints.
public abstract void add(Duration duration)
public abstract GregorianCalendar toGregorianCalendar()
public abstract GregorianCalendar toGregorianCalendar(TimeZone timezone, Locale locale, XMLGregorianCalendar defaults)
public abstract TimeZone getTimeZone(int defaultZoneoffset)
public abstract Object clone()
Object
o == o.clone()
is falseo.getClass() == o.clone().getClass()
is trueo.equals(o)
is trueHowever, these are not strict requirements, and may
be violated if necessary. Of the three requirements, the
last is the most commonly violated, particularly if the
subclass does not override Object.equals(Object)
.
If the Object you call clone() on does not implement
Cloneable
(which is a placeholder interface), then
a CloneNotSupportedException is thrown. Notice that
Object does not implement Cloneable; this method exists
as a convenience for subclasses that do.
Object's implementation of clone allocates space for the new Object using the correct class, without calling any constructors, and then fills in all of the new field values with the old field values. Thus, it is a shallow copy. However, subclasses are permitted to make a deep copy.
All array types implement Cloneable, and override
this method as follows (it should never fail):
public Object clone() { try { super.clone(); } catch (CloneNotSupportedException e) { throw new InternalError(e.getMessage()); } }
clone
in class Object
Cloneable
|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |