net.windward.chart.datasource

Interface IChartPlotPoint

public interface IChartPlotPoint

A set of values for a plot point in a chart series.

Method Summary

Modifier and Type	Method and Description
java.lang.Integer	getColor()
WindwardDateTime	getDate(int ind) A coordinate value in the point.
double	getDouble(int ind) A coordinate value in the point.
java.lang.Double	getErrDown()
java.lang.Double	getErrUp()
int	getLength() Number of coordinates we have
long	getLong(int ind) A coordinate value in the point.
java.lang.Number	getNumber(int ind) A coordinate value in the point.
java.lang.Object	getObject(int ind) A coordinate value in the point.
java.lang.String	getString(int ind) A coordinate value in the point.
int	getType(int ind) The ChartColumnMetaData.DATA_TYPE_* of the specified coordinate value.
boolean	isNull(int ind) Returns true if the specified coordinate is null.

Method Detail

getType

int getType(int ind)

The ChartColumnMetaData.DATA_TYPE_* of the specified coordinate value.

Parameters:

ind - normally 0 (X) or 1 (Y).

Returns:

the type.

getObject

java.lang.Object getObject(int ind)

A coordinate value in the point. This can be a Number (XY), String (CATEGORY), or Date (DATE).

Parameters:

ind - normally 0 (X) or 1 (Y).

Returns:

The coordinate's value.

getString

java.lang.String getString(int ind)
                    throws IllegalOperationException

A coordinate value in the point. This must be a string.

Parameters:

ind - normally 0 (X) or 1 (Y).

Returns:

The coordinate's value.

Throws:

IllegalOperationException - thrown if the value is not a String.

getNumber

java.lang.Number getNumber(int ind)
                    throws IllegalOperationException

A coordinate value in the point. This must be a Number (XY).

Parameters:

ind - normally 0 (X) or 1 (Y).

Returns:

The coordinate's value.

Throws:

IllegalOperationException - thrown if the value is not a Number.

getDouble

double getDouble(int ind)
          throws IllegalOperationException

A coordinate value in the point. This must be a double (XY).

Parameters:

ind - normally 0 (X) or 1 (Y).

Returns:

The coordinate's value.

Throws:

IllegalOperationException - thrown if the value is not a Number.

getLong

long getLong(int ind)
      throws IllegalOperationException

A coordinate value in the point. This must be a int (XY).

Parameters:

ind - normally 0 (X) or 1 (Y).

Returns:

The coordinate's value.

Throws:

IllegalOperationException - thrown if the value is not a Number.

getDate

WindwardDateTime getDate(int ind)
                  throws IllegalOperationException

A coordinate value in the point. This muse be a Date (DATE).

Parameters:

ind - normally 0 (X) or 1 (Y).

Returns:

The coordinate's value.

Throws:

IllegalOperationException - thrown if the value is not a Date.

isNull

boolean isNull(int ind)

Returns true if the specified coordinate is null.

Parameters:

ind - ind normally 0 (X) or 1 (Y).

Returns:

true if the specified coordinate is null.

getLength

int getLength()

Number of coordinates we have

Returns:

1 means X only, 2 means X/Y, etc.

getColor

java.lang.Integer getColor()

getErrUp

java.lang.Double getErrUp()

getErrDown

java.lang.Double getErrDown()