Package ml.dmlc.xgboost4j.java

Class Column

java.lang.Object

ml.dmlc.xgboost4j.java.Column

All Implemented Interfaces:

AutoCloseable

Direct Known Subclasses:

ColumnBatch

public abstract class Column
extends Object
implements AutoCloseable

This Column abstraction provides an array interface JSON string, which is used to reconstruct columnar data within the XGBoost library.

Constructor Summary

Constructors

Constructor	Description
Column()

Method Summary

Modifier and Type	Method	Description
void	close()
abstract String	toJson()	Return array interface json string for this Column

Methods inherited from class java.lang.Object

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

Constructor Details

Column

public Column()

Method Details

toJson

public abstract String toJson()

Return array interface json string for this Column

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception