W3cubDocs

/OpenJDK 8

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.

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 - (unchecked exception) Thrown if theValue 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.

© 1993–2017, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.