Package org.jfree.data.time

Class DateRange

java.lang.Object

org.jfree.data.Range

org.jfree.data.time.DateRange

All Implemented Interfaces:

java.io.Serializable

public class DateRange
extends Range
implements java.io.Serializable

A range specified in terms of two java.util.Date objects. Instances of this class are immutable.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private long	lowerDate	The lower bound for the range.
private static long	serialVersionUID	For serialization.
private long	upperDate	The upper bound for the range.

Constructor Summary

Constructors

Constructor	Description
DateRange()	Default constructor.
DateRange(double lower, double upper)	Constructs a new range using two values that will be interpreted as "milliseconds since midnight GMT, 1-Jan-1970".
DateRange(java.util.Date lower, java.util.Date upper)	Constructs a new range.
DateRange(Range other)	Constructs a new range that is based on another Range.

Method Summary

Modifier and Type	Method	Description
java.util.Date	getLowerDate()	Returns the lower (earlier) date for the range.
long	getLowerMillis()	Returns the lower bound of the range in milliseconds.
java.util.Date	getUpperDate()	Returns the upper (later) date for the range.
long	getUpperMillis()	Returns the upper bound of the range in milliseconds.
java.lang.String	toString()	Returns a string representing the date range (useful for debugging).

Methods inherited from class org.jfree.data.Range

combine, combineIgnoringNaN, constrain, contains, equals, expand, expandToInclude, getCentralValue, getLength, getLowerBound, getUpperBound, hashCode, intersects, intersects, isNaNRange, scale, shift, shift

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

For serialization.

See Also:

Constant Field Values

lowerDate

private final long lowerDate

The lower bound for the range.

upperDate

private final long upperDate

The upper bound for the range.

Constructor Detail

DateRange

public DateRange()

Default constructor.

DateRange

public DateRange(java.util.Date lower,
                 java.util.Date upper)

Constructs a new range.

Parameters:

lower - the lower bound (null not permitted).

upper - the upper bound (null not permitted).

DateRange

public DateRange(double lower,
                 double upper)

Constructs a new range using two values that will be interpreted as "milliseconds since midnight GMT, 1-Jan-1970".

Parameters:

lower - the lower (oldest) date.

upper - the upper (most recent) date.

DateRange

public DateRange(Range other)

Constructs a new range that is based on another Range. The other range does not have to be a DateRange. If it is not, the upper and lower bounds are evaluated as milliseconds since midnight GMT, 1-Jan-1970.

Parameters:

other - the other range (null not permitted).

Method Detail

getLowerDate

public java.util.Date getLowerDate()

Returns the lower (earlier) date for the range.

Returns:

The lower date for the range.

See Also:

getLowerMillis()

getLowerMillis

public long getLowerMillis()

Returns the lower bound of the range in milliseconds.

Returns:

The lower bound.

See Also:

getLowerDate()

getUpperDate

public java.util.Date getUpperDate()

Returns the upper (later) date for the range.

Returns:

The upper date for the range.

See Also:

getUpperMillis()

getUpperMillis

public long getUpperMillis()

Returns the upper bound of the range in milliseconds.

Returns:

The upper bound.

See Also:

getUpperDate()

toString

public java.lang.String toString()

Returns a string representing the date range (useful for debugging).

Overrides:

toString in class Range

Returns:

A string representing the date range.