StatBean Name: ProgramDataSource

Purpose: Creates an invisible rectangular data table which may be accessed by other StatBeans. Intended for applications which generate or read their own data without using a StatBean.

Read/Write Properties

Name	Type	Description	Possible Values	Default Value
missingValueCode	double	A numeric value used to represent missing values in the table.	Any numeric value.	-32768.0

Other Public Methods

Name	Description	Arguments	Return Value
void updateListeners()	Informs all listeners that the data has changed.	None.	None.

Other properties are inherited from the java.awt.Object class and from the general StatDataSource class.

Code Sample

//create the ProgramDataSource bean
ProgramDataSource programDataSource1 = new ProgramDataSource();

//create a bean to display the data
DataDisplayTable dataDisplayTable1 = new DataDisplayTable();

//make the data table a listener for changes in the programDataSource bean
programDataSource1.addDataChangeListener(dataDisplayTable1.listenerForDataChange);

//create a data table with 3 rows and 2 columns
programDataSource1.createDataTable(3,2,-32768.0);

//assign a name and type to each column
programDataSource1.setColumnName(0,"Customer");
programDataSource1.setColumnType(0,'C');
programDataSource1.setColumnName(1,"Orders");
programDataSource1.setColumnType(1,'N');

//fill in the first column
programDataSource1.setStringValue(0,0,"Joe");
programDataSource1.setStringValue(1,0,"Sam");
programDataSource1.setStringValue(2,0,"Mary");

//fill in the second column
programDataSource1.setDoubleValue(0,1,14);
programDataSource1.setDoubleValue(1,1,33);
programDataSource1.setDoubleValue(2,1,27);

//notify all listeners that data has changed
programDataSource1.updateListeners();