prajna.chart.jfreechart

Class ChartMaker

java.lang.Object

prajna.chart.jfreechart.ChartMaker

public class ChartMaker
extends java.lang.Object

Utility class for creating various types of charts. This class provides some generalized transformations and utilities for creating JFreeCharts from DataRecords. This class is still under development.

Author:

Edward Swing

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ChartMaker.ChartDataType

Constructor Summary

Constructors

Constructor and Description
ChartMaker(java.util.Set<DataRecord> dataRecords) Instantiates a new chart maker.

Method Summary

Methods

Modifier and Type	Method and Description
org.jfree.chart.JFreeChart	createCategoryChart(ChartType type, java.lang.String categoryField, java.lang.String domainField, java.lang.String dataField, ChartMaker.ChartDataType dataType) Creates the category chart.
org.jfree.data.category.CategoryDataset	createCategoryDataset(java.lang.String categoryField, java.lang.String domainField, java.lang.String dataField, ChartMaker.ChartDataType type) Creates the category dataset.
org.jfree.chart.JFreeChart	createChart(ChartType type, java.lang.String categoryField, java.lang.String domainField, java.lang.String dataField, ChartMaker.ChartDataType dataType) Creates the chart.
org.jfree.chart.JFreeChart	createPieChart(ChartType type, java.lang.String field, java.lang.String dataField, ChartMaker.ChartDataType dataType) Creates the pie chart.
org.jfree.data.general.PieDataset	createPieDataset(java.lang.String field, java.lang.String dataField, ChartMaker.ChartDataType type) Creates the pie dataset.
java.util.Set<java.lang.String>	getAllFieldNames() Gets the all field names.
DataType	getFieldType(java.lang.String fieldName) Gets the field type.
int	getMaxCategoryCount() Gets the max category count.
boolean	isCategoryField(java.lang.String fieldName) Checks if is category field.
boolean	isNumericField(java.lang.String fieldName) Checks if is numeric field.
boolean	isUse3dEffects() Checks if is use3d effects.
void	setDataFilter(DataFilter dataFilter) Sets the data filter.
void	setDataRecords(java.util.Set<DataRecord> dataRecords) Sets the data records.
void	setMaxCategoryCount(int count) Sets the max category count.
void	setTimeIncrement(java.lang.String timeField, int interval) Set the time interval for a time field explicitly.
void	setUse3dEffects(boolean use3dFlag) Sets the use3d effects.

Methods inherited from class java.lang.Object

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

Constructor Detail

ChartMaker

public ChartMaker(java.util.Set<DataRecord> dataRecords)

Instantiates a new chart maker.

Parameters:

dataRecords - the data records

Method Detail

createCategoryChart

public org.jfree.chart.JFreeChart createCategoryChart(ChartType type,
                                             java.lang.String categoryField,
                                             java.lang.String domainField,
                                             java.lang.String dataField,
                                             ChartMaker.ChartDataType dataType)

Creates the category chart.

Parameters:

type - the type

categoryField - the category field

domainField - the domain field

dataField - the data field

dataType - the data type

Returns:

the j free chart

createCategoryDataset

public org.jfree.data.category.CategoryDataset createCategoryDataset(java.lang.String categoryField,
                                                            java.lang.String domainField,
                                                            java.lang.String dataField,
                                                            ChartMaker.ChartDataType type)

Creates the category dataset.

Parameters:

categoryField - the category field

domainField - the domain field

dataField - the data field

type - the type

Returns:

the category dataset

createChart

public org.jfree.chart.JFreeChart createChart(ChartType type,
                                     java.lang.String categoryField,
                                     java.lang.String domainField,
                                     java.lang.String dataField,
                                     ChartMaker.ChartDataType dataType)

Creates the chart.

Parameters:

type - the type

categoryField - the category field

domainField - the domain field

dataField - the data field

dataType - the data type

Returns:

the j free chart

createPieChart

public org.jfree.chart.JFreeChart createPieChart(ChartType type,
                                        java.lang.String field,
                                        java.lang.String dataField,
                                        ChartMaker.ChartDataType dataType)

Creates the pie chart.

Parameters:

type - the type

field - the field

dataField - the data field

dataType - the data type

Returns:

the j free chart

createPieDataset

public org.jfree.data.general.PieDataset createPieDataset(java.lang.String field,
                                                 java.lang.String dataField,
                                                 ChartMaker.ChartDataType type)

Creates the pie dataset.

Parameters:

field - the field

dataField - the data field

type - the type

Returns:

the pie dataset

getAllFieldNames

public java.util.Set<java.lang.String> getAllFieldNames()

Gets the all field names.

Returns:

the all field names

getFieldType

public DataType getFieldType(java.lang.String fieldName)

Gets the field type.

Parameters:

fieldName - the field name

Returns:

the field type

getMaxCategoryCount

public int getMaxCategoryCount()

Gets the max category count.

Returns:

the maxCategoryCount

isCategoryField

public boolean isCategoryField(java.lang.String fieldName)

Checks if is category field.

Parameters:

fieldName - the field name

Returns:

true, if is category field

isNumericField

public boolean isNumericField(java.lang.String fieldName)

Checks if is numeric field.

Parameters:

fieldName - the field name

Returns:

true, if is numeric field

isUse3dEffects

public boolean isUse3dEffects()

Checks if is use3d effects.

Returns:

the use3d

setDataFilter

public void setDataFilter(DataFilter dataFilter)

Sets the data filter.

Parameters:

dataFilter - the new data filter

setDataRecords

public void setDataRecords(java.util.Set<DataRecord> dataRecords)

Sets the data records.

Parameters:

dataRecords - the new data records

setMaxCategoryCount

public void setMaxCategoryCount(int count)

Sets the max category count.

Parameters:

count - the maxCategoryCount to set

setTimeIncrement

public void setTimeIncrement(java.lang.String timeField,
                    int interval)

Set the time interval for a time field explicitly. The interval corresponds to a field in a Calendar, such as Calendar.HOUR. This determines the default interval used when calculating timeline category datasets

Parameters:

timeField - the time field

interval - the interval

setUse3dEffects

public void setUse3dEffects(boolean use3dFlag)

Sets the use3d effects.

Parameters:

use3dFlag - the use3d to set