Package com.macrofocus.molap.dataframe

Interface DataFrameFactory

All Known Implementing Classes:

AbstractDataFrameFactory, CPDataFrameFactory, JavaDataFrameFactory, SwingDataFrameFactory

public interface DataFrameFactory

Factory for supporting the most common ways of instantiating DataFrame object.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	DataFrameFactory.Callback

Method Summary

Modifier and Type	Method	Description
DataFrame<java.lang.Integer,java.lang.String,java.lang.Double>	createRandomDataFrame(int clusterCount, int rowCount, int columnCount)
<R,V> DataFrame<R,java.lang.Object,V>	fromColumnSeries(Series<R,V>... series)	Creates a data frame using a combination of series.
void	fromJson(java.lang.String url, DataFrameFactory.Callback callback)	Creates a data frame by loading a JSON encoded file.
DataFrame<java.lang.Integer,java.lang.String,java.lang.Object>	fromJsonString(java.lang.String json)	Creates a data frame by loading a JSON encoded file.
DataFrame<java.lang.Integer,java.lang.String,java.lang.Object>	fromJsonString(java.lang.String name, java.lang.String json)	Creates a data frame by loading a JSON encoded file.

Method Detail

createRandomDataFrame

DataFrame<java.lang.Integer,java.lang.String,java.lang.Double> createRandomDataFrame(int clusterCount,
                                                                                                 int rowCount,
                                                                                                 int columnCount)

fromJsonString

DataFrame<java.lang.Integer,java.lang.String,java.lang.Object> fromJsonString(java.lang.String json)

Creates a data frame by loading a JSON encoded file.

Parameters:

json - the JSON content

Returns:

a newly created data frame

fromJsonString

DataFrame<java.lang.Integer,java.lang.String,java.lang.Object> fromJsonString(java.lang.String name,
                                                                                          java.lang.String json)

Creates a data frame by loading a JSON encoded file.

Parameters:

name - the JSON property

json - the JSON content

Returns:

a newly created data frame

fromJson

void fromJson(java.lang.String url,
              DataFrameFactory.Callback callback)
       throws java.io.IOException

Creates a data frame by loading a JSON encoded file.

Parameters:

url - the URL of the file

callback - call back method

Throws:

java.io.IOException

fromColumnSeries

<R,V> DataFrame<R,java.lang.Object,V> fromColumnSeries(Series<R,V>... series)

Creates a data frame using a combination of series.

Type Parameters:

R - the type of row keys maintained used to query this data frame.

V - the type of values

Parameters:

series - the series to combine

Returns:

a newly created data frame.