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Java Source Code / Java Documentation » Development » Joda Time » org.joda.time.base

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.joda.time.base .AbstractInstant

All known Subclasses:   org.joda.time.base .AbstractDateTime,  org.joda.time .Instant,
AbstractInstant
abstract public class AbstractInstant implements ReadableInstant(Code)
AbstractInstant provides the common behaviour for instant classes.
This class has no concept of a chronology, all methods work on the millisecond instant.
This class should generally not be used directly by API users. The ReadableInstant interface should be used when different kinds of date/time objects are to be referenced.
Whenever you want to implement ReadableInstant you should extend this class.
AbstractInstant itself is thread-safe and immutable, but subclasses may be mutable and not thread-safe.
author:
   Stephen Colebourne
author:
   Brian S O'Neill
since:
   1.0

Constructor Summary
protected AbstractInstant()
     Constructor.

Method Summary
public int compareTo(Object instant)
     Compares this object with the specified object for ascending millisecond instant order.
public boolean equals(Object readableInstant)
     Compares this object with the specified object for equality based on the millisecond instant, chronology and time zone.
Two objects which represent the same instant in time, but are in different time zones (based on time zone id), will be considered to be different.
public int get(DateTimeFieldType type)
     Get the value of one of the fields of a datetime using the chronology of the instant.
public int get(DateTimeField field)
     Get the value of one of the fields of a datetime.
public DateTimeZone getZone()
     Gets the time zone of the instant from the chronology.
public int hashCode()
     Gets a hash code for the instant as defined in ReadableInstant.
public boolean isAfter(long instant)
     Is this instant after the millisecond instant passed in comparing solely by millisecond.
public boolean isAfter(ReadableInstant instant)
     Is this instant after the instant passed in comparing solely by millisecond.
public boolean isAfterNow()
     Is this instant after the current instant comparing solely by millisecond.
public boolean isBefore(long instant)
     Is this instant before the millisecond instant passed in comparing solely by millisecond.
public boolean isBefore(ReadableInstant instant)
     Is this instant before the instant passed in comparing solely by millisecond.
public boolean isBeforeNow()
     Is this instant before the current instant comparing solely by millisecond.
public boolean isEqual(long instant)
     Is this instant equal to the millisecond instant passed in comparing solely by millisecond.
public boolean isEqual(ReadableInstant instant)
     Is this instant equal to the instant passed in comparing solely by millisecond.
public boolean isEqualNow()
     Is this instant equal to the current instant comparing solely by millisecond.
public boolean isSupported(DateTimeFieldType type)
     Checks if the field type specified is supported by this instant and chronology.
public Date toDate()
     Get the date time as a java.util.Date.
public DateTime toDateTime()
     Get this object as a DateTime in the same zone.
public DateTime toDateTime(DateTimeZone zone)
     Get this object as a DateTime using the same chronology but a different zone.
public DateTime toDateTime(Chronology chronology)
     Get this object as a DateTime using the given chronology and its zone.
public DateTime toDateTimeISO()
     Get this object as a DateTime using ISOChronology in the same zone.
public Instant toInstant()
     Get this object as an Instant.
public MutableDateTime toMutableDateTime()
     Get this object as a MutableDateTime in the same zone.
public MutableDateTime toMutableDateTime(DateTimeZone zone)
     Get this object as a MutableDateTime using the same chronology but a different zone.
public MutableDateTime toMutableDateTime(Chronology chronology)
     Get this object as a MutableDateTime using the given chronology and its zone.
public MutableDateTime toMutableDateTimeISO()
     Get this object as a MutableDateTime using ISOChronology in the same zone.
public String toString()
     Output the date time in ISO8601 format (yyyy-MM-ddTHH:mm:ss.SSSZ).
public String toString(DateTimeFormatter formatter)
     Uses the specified formatter to convert this partial to a String.
Parameters:
  formatter - the formatter to use, null means use toString().

Constructor Detail
AbstractInstant
protected AbstractInstant()(Code)
Constructor.

Method Detail
compareTo
public int compareTo(Object instant)(Code)
Compares this object with the specified object for ascending millisecond instant order. This ordering is inconsistent with equals, as it ignores the Chronology.
All ReadableInstant instances are accepted.
Parameters:
  instant - a readable instant to check against negative value if this is less, 0 if equal, or positive value if greater
throws:
  NullPointerException - if the object is null
throws:
  ClassCastException - if the object type is not supported

equals
public boolean equals(Object readableInstant)(Code)
Compares this object with the specified object for equality based on the millisecond instant, chronology and time zone.
Two objects which represent the same instant in time, but are in different time zones (based on time zone id), will be considered to be different. Only two objects with the same DateTimeZone , Chronology and instant are equal.
See AbstractInstant.isEqual(ReadableInstant) for an equals method that ignores the Chronology and time zone.
All ReadableInstant instances are accepted.
Parameters:
  readableInstant - a readable instant to check against true if millisecond and chronology are equal, false ifnot or the instant is null or of an incorrect type

get
public int get(DateTimeFieldType type)(Code)
Get the value of one of the fields of a datetime using the chronology of the instant.
This method uses the chronology of the instant to obtain the value. For example:
DateTime dt = new DateTime(); int year = dt.get(DateTimeFieldType.year());

Parameters:
  type - a field type, usually obtained from DateTimeFieldType, not null the value of that field
throws:
  IllegalArgumentException - if the field type is null

get
public int get(DateTimeField field)(Code)
Get the value of one of the fields of a datetime.
This could be used to get a field using a different Chronology. For example:
Instant dt = new Instant(); int gjYear = dt.get(Chronology.getCoptic().year());

Parameters:
  field - the DateTimeField to use, not null the value
throws:
  IllegalArgumentException - if the field is null

getZone
public DateTimeZone getZone()(Code)
Gets the time zone of the instant from the chronology. the DateTimeZone that the instant is using, never null

hashCode
public int hashCode()(Code)
Gets a hash code for the instant as defined in ReadableInstant. a suitable hash code

isAfter
public boolean isAfter(long instant)(Code)
Is this instant after the millisecond instant passed in comparing solely by millisecond.
Parameters:
  instant - a millisecond instant to check against true if this instant is after the instant passed in

isAfter
public boolean isAfter(ReadableInstant instant)(Code)
Is this instant after the instant passed in comparing solely by millisecond.
Parameters:
  instant - an instant to check against, null means now true if the instant is after the instant passed in

isAfterNow
public boolean isAfterNow()(Code)
Is this instant after the current instant comparing solely by millisecond. true if this instant is after the current instant

isBefore
public boolean isBefore(long instant)(Code)
Is this instant before the millisecond instant passed in comparing solely by millisecond.
Parameters:
  instant - a millisecond instant to check against true if this instant is before the instant passed in

isBefore
public boolean isBefore(ReadableInstant instant)(Code)
Is this instant before the instant passed in comparing solely by millisecond.
Parameters:
  instant - an instant to check against, null means now true if the instant is before the instant passed in

isBeforeNow
public boolean isBeforeNow()(Code)
Is this instant before the current instant comparing solely by millisecond. true if this instant is before the current instant

isEqual
public boolean isEqual(long instant)(Code)
Is this instant equal to the millisecond instant passed in comparing solely by millisecond.
Parameters:
  instant - a millisecond instant to check against true if this instant is before the instant passed in

isEqual
public boolean isEqual(ReadableInstant instant)(Code)
Is this instant equal to the instant passed in comparing solely by millisecond.
Parameters:
  instant - an instant to check against, null means now true if the instant is equal to the instant passed in

isEqualNow
public boolean isEqualNow()(Code)
Is this instant equal to the current instant comparing solely by millisecond. true if this instant is before the current instant

isSupported
public boolean isSupported(DateTimeFieldType type)(Code)
Checks if the field type specified is supported by this instant and chronology. This can be used to avoid exceptions in AbstractInstant.get(DateTimeFieldType) .
Parameters:
  type - a field type, usually obtained from DateTimeFieldType true if the field type is supported

toDate
public Date toDate()(Code)
Get the date time as a java.util.Date.
The Date object created has exactly the same millisecond instant as this object. a Date initialised with this datetime

toDateTime
public DateTime toDateTime()(Code)
Get this object as a DateTime in the same zone. a DateTime using the same millis

toDateTime
public DateTime toDateTime(DateTimeZone zone)(Code)
Get this object as a DateTime using the same chronology but a different zone.
Parameters:
  zone - time zone to apply, or default if null a DateTime using the same millis

toDateTime
public DateTime toDateTime(Chronology chronology)(Code)
Get this object as a DateTime using the given chronology and its zone.
Parameters:
  chronology - chronology to apply, or ISOChronology if null a DateTime using the same millis

toDateTimeISO
public DateTime toDateTimeISO()(Code)
Get this object as a DateTime using ISOChronology in the same zone. a DateTime using the same millis with ISOChronology

toInstant
public Instant toInstant()(Code)
Get this object as an Instant. an Instant using the same millis

toMutableDateTime
public MutableDateTime toMutableDateTime()(Code)
Get this object as a MutableDateTime in the same zone. a MutableDateTime using the same millis

toMutableDateTime
public MutableDateTime toMutableDateTime(DateTimeZone zone)(Code)
Get this object as a MutableDateTime using the same chronology but a different zone.
Parameters:
  zone - time zone to apply, or default if null a MutableDateTime using the same millis

toMutableDateTime
public MutableDateTime toMutableDateTime(Chronology chronology)(Code)
Get this object as a MutableDateTime using the given chronology and its zone.
Parameters:
  chronology - chronology to apply, or ISOChronology if null a MutableDateTime using the same millis

toMutableDateTimeISO
public MutableDateTime toMutableDateTimeISO()(Code)
Get this object as a MutableDateTime using ISOChronology in the same zone. a MutableDateTime using the same millis with ISOChronology

toString
public String toString()(Code)
Output the date time in ISO8601 format (yyyy-MM-ddTHH:mm:ss.SSSZ). ISO8601 time formatted string.

toString
public String toString(DateTimeFormatter formatter)(Code)
Uses the specified formatter to convert this partial to a String.
Parameters:
  formatter - the formatter to use, null means use toString(). the formatted string
since:
   1.1

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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