com.ijchart.xychart.range
Class DateRange

java.lang.Object
  com.ijchart.xychart.range.NumberRange
      com.ijchart.xychart.range.DateRange

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class DateRange
extends NumberRange
implements java.io.Serializable, java.lang.Cloneable

Title: IJChart

Description: a chart library for the Java(tm) platform.

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

Copyright: Copyright (c) 2013

Company:

Version:

1.0

Author:

zhang feng min,shanghai china. Contract me by email.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.ijchart.xychart.range.NumberRange

RANGE_ZERO

Constructor Summary

DateRange(java.util.Date lower, java.util.Date upper)
Constructs a new range.

DateRange(long lower, long upper)
Constructs a new range using two values that will be interpreted as "milliseconds since midnight GMT, 1-Jan-1970".

DateRange(NumberRange other)
Constructs a new range that is based on another NumberRange.

Method Summary

protected java.lang.Object	clone() Creates and returns a copy of this object.
boolean	equals(java.lang.Object obj) Tests the marker for equality with an arbitrary double.
java.util.Date	getLowerDate() Returns the lower (earlier) date for the range.
java.util.Date	getUpperDate() Returns the upper (later) date for the range.
int	hashCode() Returns a hash code.
java.lang.String	toString() Returns a string representing the date range (useful for debugging).

Methods inherited from class com.ijchart.xychart.range.NumberRange

contains, getCentralValue, getLength, getLowerBound, getUpperBound, resizeRange, resizeRange, resizeRange2, zoomRange

Methods inherited from class java.lang.Object

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

Constructor Detail

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(long lower,
                 long 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(NumberRange other)

Constructs a new range that is based on another NumberRange. 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.

getUpperDate

public java.util.Date getUpperDate()

Returns the upper (later) date for the range.

Returns:

The upper date for the range.

equals

public boolean equals(java.lang.Object obj)

Tests the marker for equality with an arbitrary double.

Overrides:

equals in class NumberRange

Parameters:

obj - the double (null permitted).

Returns:

A boolean.

clone

protected java.lang.Object clone()
                          throws java.lang.CloneNotSupportedException

Creates and returns a copy of this object.

Overrides:

clone in class NumberRange

Returns:

Object

Throws:

java.lang.CloneNotSupportedException

hashCode

public int hashCode()

Returns a hash code.

Overrides:

hashCode in class NumberRange

Returns:

A hash code.

toString

public java.lang.String toString()

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

Overrides:

toString in class NumberRange

Returns:

A string