org.mazarineblue.datasources

Class MatrixSource

java.lang.Object

org.mazarineblue.datasources.AbstractSource

org.mazarineblue.datasources.MatrixSource

All Implemented Interfaces:

DataSource, VariableSource

Direct Known Subclasses:

ExcelSource, ObjectMatrixSource

public abstract class MatrixSource
extends AbstractSource

Author:

Alex de Kruijff <alex.de.kruijff@MazarineBlue.org>

Constructor Summary

Constructors

Constructor and Description
MatrixSource(String sourceIdentifier)
MatrixSource(String sourceIdentifier, Map<String,Integer> headers)

Method Summary

Modifier and Type	Method and Description
String[]	getColumns() Returns an array of supported columns.
Object	getData(String column) Return the object at the specified column.
boolean	hasHeaders()
boolean	setData(String column, Object value) Return the object at the specified index.

Methods inherited from class org.mazarineblue.datasources.AbstractSource

getSourceIdentifier

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.mazarineblue.datasources.DataSource

getData, getData, getData, getLineIdentifier, hasNext, next, reset, reset, setData

Constructor Detail

MatrixSource

public MatrixSource(String sourceIdentifier)

MatrixSource

public MatrixSource(String sourceIdentifier,
                    Map<String,Integer> headers)

Method Detail

hasHeaders

public boolean hasHeaders()

getData

public Object getData(String column)
               throws IllegalSourceStateException

Description copied from interface: DataSource

Return the object at the specified column.

Parameters:

column - the location where the object resides.

Returns:

the object at the specified index or null if it could not be fetched.

Throws:

IllegalSourceStateException - when the method could not be called due to the state of the source i.e. next() has not been called or this method is not supported by the data source. when next() has not been

setData

public boolean setData(String column,
                       Object value)
                throws Exception

Description copied from interface: DataSource

Return the object at the specified index.

Parameters:

column - the location where the object should be stored.

value - the object to store.

Returns:

the object at the specified index or null if it could not be fetched.

Throws:

Exception

getColumns

public String[] getColumns()

Description copied from interface: DataSource

Returns an array of supported columns.

Returns:

an array of supported columns or an empty array when none are supported by this data source.