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Massive On-line Analysis is an environment for massive data mining. MOA
provides a framework for data stream mining and includes tools for evaluation
and a collection of machine learning algorithms. Related to the WEKA project,
also written in Java, while scaling to more demanding problems.
/*
* AbstractOptionHandler.java
* Copyright (C) 2007 University of Waikato, Hamilton, New Zealand
* @author Richard Kirkby ([email protected])
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*
*/
package moa.options;
import com.github.javacliparser.Options;
import moa.AbstractMOAObject;
import moa.core.ObjectRepository;
import moa.tasks.NullMonitor;
import moa.tasks.TaskMonitor;
/**
* Abstract Option Handler. All classes that have options in
* MOA extend this class.
*
* @author Richard Kirkby ([email protected])
* @version $Revision: 7 $
*/
public abstract class AbstractOptionHandler extends AbstractMOAObject implements
OptionHandler {
private static final long serialVersionUID = 1L;
/** Options to handle */
//protected Options options;
/** Dictionary with option texts and objects */
//protected Map classOptionNamesToPreparedObjects;
@Override
public String getPurposeString() {
return "Anonymous object: purpose undocumented.";
}
@Override
public Options getOptions() {
/*if (this.options == null) {
this.options = new Options();
if (this.config== null) {
this.config = new OptionsHandler(this, "");
this.config.prepareForUse();
}
Option[] myOptions = this.config.discoverOptionsViaReflection();
for (Option option : myOptions) {
this.options.addOption(option);
}
}
return this.options;*/
if ( this.config == null){
this.config = new OptionsHandler(this, "");
//this.config.prepareForUse(monitor, repository);
}
return this.config.getOptions();
}
@Override
public void prepareForUse() {
prepareForUse(new NullMonitor(), null);
}
protected OptionsHandler config;
@Override
public void prepareForUse(TaskMonitor monitor, ObjectRepository repository) {
//prepareClassOptions(monitor, repository);
if ( this.config == null){
this.config = new OptionsHandler(this, "");
this.config.prepareForUse(monitor, repository);
}
prepareForUseImpl(monitor, repository);
}
/**
* This method describes the implementation of how to prepare this object for use.
* All classes that extends this class have to implement prepareForUseImpl
* and not prepareForUse
since
* prepareForUse
calls prepareForUseImpl
.
*
* @param monitor the TaskMonitor to use
* @param repository the ObjectRepository to use
*/
protected abstract void prepareForUseImpl(TaskMonitor monitor,
ObjectRepository repository);
@Override
public String getCLICreationString(Class> expectedType) {
return ClassOption.stripPackagePrefix(this.getClass().getName(),
expectedType)
+ " " + getOptions().getAsCLIString();
}
@Override
public OptionHandler copy() {
return (OptionHandler) super.copy();
}
/**
* Gets the options of this class via reflection.
*
* @return an array of options
*/
/* protected Option[] discoverOptionsViaReflection() {
Class extends AbstractOptionHandler> c = this.getClass();
Field[] fields = c.getFields();
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