org.progeeks.jfreechart
Class XYDatasetProducer

java.lang.Object
  org.progeeks.jfreechart.MetaDatasetProducer
      org.progeeks.jfreechart.XYDatasetProducer

All Implemented Interfaces:

de.laures.cewolf.DatasetProducer, java.io.Serializable

Direct Known Subclasses:

TimeSeriesDatasetProducer

public class XYDatasetProducer
extends MetaDatasetProducer

Baseclass for other DSPs.

Version:

$Revision: 1.5 $

Author:

esword

See Also:

Serialized Form

Field Summary

protected static Log

log

Fields inherited from class org.progeeks.jfreechart.MetaDatasetProducer

addValues, dataClassIsMetaClass, dataMetaClass, dataObjectClass, defaultSeriesName, filteredSeries, PARAM_DATA, PARAM_EXISTING_DATASET, producerId, seriesNameProperty, storeOriginalData

Fields inherited from interface de.laures.cewolf.DatasetProducer

PRODUCER_ATTRIBUTE_NAME

Constructor Summary

XYDatasetProducer()

Method Summary

protected java.lang.Number	getItemYValue(MetaObject curData) Return the value of the Y Property if it exists.
java.lang.String	getXProperty()
java.lang.String	getYProperty()
protected void	init() Validates input settings
java.lang.Object	produceDataset(java.util.Map params)
void	setXProperty(java.lang.String property)
void	setYProperty(java.lang.String seriesValueProperty)

Methods inherited from class org.progeeks.jfreechart.MetaDatasetProducer

createMetaObject, findOrCreateMetaClass, getDataObjectClass, getDefaultSeriesName, getFilteredSeries, getMetaObject, getOriginalData, getProducerId, getPropertyValue, getSeriesNameProperty, getStoreOriginalData, hasExpired, isAddValues, produceDataset, produceDataset, setAddValues, setDataObjectClass, setDefaultSeriesName, setFilteredSeries, setProducerId, setSeriesNameProperty, setStoreOriginalData

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final Log log

Constructor Detail

XYDatasetProducer

public XYDatasetProducer()

Method Detail

init

protected void init()
             throws java.lang.Exception

Validates input settings

Overrides:

init in class MetaDatasetProducer

Throws:

java.lang.Exception

produceDataset

public java.lang.Object produceDataset(java.util.Map params)
                                throws de.laures.cewolf.DatasetProduceException

Specified by:

produceDataset in interface de.laures.cewolf.DatasetProducer

Specified by:

produceDataset in class MetaDatasetProducer

Throws:

de.laures.cewolf.DatasetProduceException

See Also:

DatasetProducer.produceDataset(java.util.Map)

getItemYValue

protected java.lang.Number getItemYValue(MetaObject curData)

Return the value of the Y Property if it exists. If no Y Property, return 1.0 to indicate that we've seen an item in the time period. If the Y Property is set but the value in this object is null, return 0.

Parameters:

curData -

getYProperty

public java.lang.String getYProperty()

Returns:

Returns the property to use to obtain the Y (Range) value for a data point.

setYProperty

public void setYProperty(java.lang.String seriesValueProperty)

Parameters:

seriesValueProperty - The seriesValueProperty to set.

getXProperty

public java.lang.String getXProperty()

Returns:

Returns the property to use to obtain the X (Domain) value for a data point.

setXProperty

public void setXProperty(java.lang.String property)

Parameters:

property - The xProperty to set.