Class DateTimeSyntax

All Implemented Interfaces:
Serializable, Cloneable
Direct Known Subclasses:
DateTimeAtCompleted, DateTimeAtCreation, DateTimeAtProcessing, JobHoldUntil 
public abstract class DateTimeSyntax
extends Object
implements Serializable, Cloneable

Class DateTimeSyntax is an abstract base class providing the common implementation of all attributes whose value is a date and time.

Under the hood, a date-time attribute is stored as a value of class java.util.Date. You can get a date-time attribute's Date value by calling getValue(). A date-time attribute's Date value is established when it is constructed (see DateTimeSyntax(Date)). Once constructed, a date-time attribute's value is immutable.

To construct a date-time attribute from separate values of the year, month, day, hour, minute, and so on, use a java.util.Calendar object to construct a java.util.Date object, then use the java.util.Date object to construct the date-time attribute. To convert a date-time attribute to separate values of the year, month, day, hour, minute, and so on, create a java.util.Calendar object and set it to the java.util.Date from the date-time attribute. Class DateTimeSyntax stores its value in the form of a java.util.Date rather than a java.util.Calendar because it typically takes less memory to store and less time to compare a java.util.Date than a java.util.Calendar.

See Also:
Serialized Form

Constructors

Modifier Constructor Description
protected DateTimeSyntax​(Date value)

Construct a new date-time attribute with the given java.util.Date value.

Methods

Modifier and Type Method Description
boolean equals​(Object object)

Returns whether this date-time attribute is equivalent to the passed in object.
Date getValue()

Returns this date-time attribute's java.util.Date value.
int hashCode()

Returns a hash code value for this date-time attribute.
String toString()

Returns a string value corresponding to this date-time attribute.

Methods declared in class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructors

DateTimeSyntax

protected DateTimeSyntax(Date value)

Construct a new date-time attribute with the given java.util.Date value.

Parameters:
value - java.util.Date value
Throws:
NullPointerException - if value is null

Methods

getValue

public Date getValue()

Returns this date-time attribute's java.util.Date value.

Returns:
the Date

equals

public boolean equals(Object object)

Returns whether this date-time attribute is equivalent to the passed in object. To be equivalent, all of the following conditions must be true:

  1. object is not null.
  2. object is an instance of class DateTimeSyntax.
  3. This date-time attribute's java.util.Date value and object's java.util.Date value are equal.

Overrides:
equals in class Object
Parameters:
object - Object to compare to
Returns:
true if object is equivalent to this date-time attribute, false otherwise
See Also:
Object.hashCode(), HashMap

hashCode

public int hashCode()

Returns a hash code value for this date-time attribute. The hashcode is that of this attribute's java.util.Date value.

Overrides:
hashCode in class Object
Returns:
a hash code value for this object.
See Also:
Object.equals(java.lang.Object), System.identityHashCode(java.lang.Object)

toString

public String toString()

Returns a string value corresponding to this date-time attribute. The string value is just this attribute's java.util.Date value converted to a string.

Overrides:
toString in class Object
Returns:
a string representation of the object.

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/print/attribute/DateTimeSyntax.html