org.jfree.data.time

Class TimePeriodValue

java.lang.Object

org.jfree.data.time.TimePeriodValue

All Implemented Interfaces:

Serializable, Cloneable

public class TimePeriodValue
extends Object
implements Cloneable, Serializable

Represents a time period and an associated value.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TimePeriodValue(TimePeriod period, double value) Constructs a new data item.
TimePeriodValue(TimePeriod period, Number value) Constructs a new data item.

Method Summary

Modifier and Type	Method and Description
Object	clone() Clones the object.
boolean	equals(Object obj) Tests this object for equality with the target object.
TimePeriod	getPeriod() Returns the time period.
Number	getValue() Returns the value.
int	hashCode() Returns a hash code value for the object.
void	setValue(Number value) Sets the value for this data item.
String	toString() Returns a string representing this instance, primarily for use in debugging.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TimePeriodValue

public TimePeriodValue(TimePeriod period,
                       Number value)

Constructs a new data item.

Parameters:

period - the time period (null not permitted).

value - the value associated with the time period.

Throws:

IllegalArgumentException - if period is null.

TimePeriodValue

public TimePeriodValue(TimePeriod period,
                       double value)

Constructs a new data item.

Parameters:

period - the time period (null not permitted).

value - the value associated with the time period.

Throws:

IllegalArgumentException - if period is null.

Method Detail

getPeriod

public TimePeriod getPeriod()

Returns the time period.

Returns:

The time period (never null).

getValue

public Number getValue()

Returns the value.

Returns:

The value (possibly null).

See Also:

setValue(Number)

setValue

public void setValue(Number value)

Sets the value for this data item.

Parameters:

value - the new value (null permitted).

See Also:

getValue()

equals

public boolean equals(Object obj)

Tests this object for equality with the target object.

Overrides:

equals in class Object

Parameters:

obj - the object (null permitted).

Returns:

A boolean.

hashCode

public int hashCode()

Returns a hash code value for the object.

Overrides:

hashCode in class Object

Returns:

The hashcode

clone

public Object clone()

Clones the object.

Note: no need to clone the period or value since they are immutable classes.

Overrides:

clone in class Object

Returns:

A clone.

toString

public String toString()

Returns a string representing this instance, primarily for use in debugging.

Overrides:

toString in class Object

Returns:

A string.