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Java Source Code / Java Documentation » Database JDBC Connection Pool » jTDS » net.sourceforge.jtds.jdbc

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

net.sourceforge.jtds.jdbc .DateTime

DateTime
public class DateTime (Code)
	Encapsulates Sybase date/time values and provides conversions to and from Java classes. author: Mike Hutchinson version: $Id: DateTime.java,v 1.4 2005/07/11 13:33:30 alin_sinpalean Exp $

Field Summary
final static int	DATE_NOT_USED Indicates date value not used.
final static int	TIME_NOT_USED Indicates time value not used.

Constructor Summary
	DateTime(int date, int time) Constructs a DateTime object from the two integer components of a datetime.
	DateTime(short date, short time) Constructs a DateTime object from the two short components of a smalldatetime.
	DateTime(Timestamp ts) Constructs a DateTime object from a `java.sql.Timestamp`.
	DateTime(Time t) Constructs a DateTime object from a `java.sql.Time`.
	DateTime(Date d) Constructs a DateTime object from a `java.sql.Date`.

Method Summary
int	getDate() Retrieves the date component of a datetime value.
int	getTime() Retrieves the time component of a datetime value.
public void	packDate() Converts a calendar date into days since 1900 (Sybase epoch).
public void	packTime() Converts separate time components into a datetime time value.
public Date	toDate() Retrieves the current datetime value as a Date.
public Object	toObject() Retrieves the current datetime value as a Time, Date or Timestamp.
public String	toString() Retrieves the current datetime value as a String.
public Time	toTime() Retrieves the current datetime value as a Time.
public Timestamp	toTimestamp() Retrieves the current datetime value as a Timestamp.

Field Detail

DATE_NOT_USED
final static int DATE_NOT_USED(Code)
	Indicates date value not used.

TIME_NOT_USED
final static int TIME_NOT_USED(Code)
	Indicates time value not used.

Constructor Detail

DateTime
DateTime(int date, int time)(Code)
	Constructs a DateTime object from the two integer components of a datetime. Parameters: date - server date field Parameters: time - server time field

DateTime
DateTime(short date, short time)(Code)
	Constructs a DateTime object from the two short components of a smalldatetime. Parameters: date - server date field Parameters: time - server time field

DateTime
DateTime(Timestamp ts) throws SQLException(Code)
	Constructs a DateTime object from a `java.sql.Timestamp`. Parameters: ts - `Timestamp` object representing the datetime throws: SQLException - if the date is out of range

DateTime
DateTime(Time t)(Code)
	Constructs a DateTime object from a `java.sql.Time`. Parameters: t - `Time` object representing the datetime

DateTime
DateTime(Date d) throws SQLException(Code)
	Constructs a DateTime object from a `java.sql.Date`. Parameters: d - `Date` object representing the datetime throws: SQLException - if the Date is out of range

Method Detail

getDate
int getDate()(Code)
	Retrieves the date component of a datetime value. the datetime date component as an `int`

getTime
int getTime()(Code)
	Retrieves the time component of a datetime value. the datetime time component as an `int`

packDate

public void packDate() throws SQLException(Code)

Converts a calendar date into days since 1900 (Sybase epoch).

Algorithm from Fliegel, H F and van Flandern, T C (1968). Communications of the ACM, Vol 11, No 10 (October, 1968).

 INTEGER FUNCTION JD (YEAR,MONTH,DAY)
 C
 C---COMPUTES THE JULIAN DATE (JD) GIVEN A GREGORIAN CALENDAR
 C   DATE (YEAR,MONTH,DAY).
 C
 INTEGER YEAR,MONTH,DAY,I,J,K
 C
 I= YEAR
 J= MONTH
 K= DAY
 C
 JD= K-32075+1461*(I+4800+(J-14)/12)/4+367*(J-2-(J-14)/12*12)
 2    /12-3*((I+4900+(J-14)/12)/100)/4
 C
 RETURN
 END

throws:
java.sql.SQLException - if the date is outside the accepted range, 1753-9999

packTime
public void packTime()(Code)
	Converts separate time components into a datetime time value.

toDate
public Date toDate()(Code)
	Retrieves the current datetime value as a Date. the current datetime value as a `java.sql.Date`

toObject
public Object toObject()(Code)
	Retrieves the current datetime value as a Time, Date or Timestamp. the current datetime value as an `java.lang.Object`

toString
public String toString()(Code)
	Retrieves the current datetime value as a String. the current datetime value as a `String`

toTime
public Time toTime()(Code)
	Retrieves the current datetime value as a Time. the current datetime value as a `java.sql.Time`

toTimestamp
public Timestamp toTimestamp()(Code)
	Retrieves the current datetime value as a Timestamp. the current datetime value as a `java.sql.Timestamp`

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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