Java GenerationException类代码示例

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
/**
 * The given list must contain the original attribute names which should be merged by the global
 * FeatureGenerator.
 */
private void addNewMergedAttribute(AttributeWeightedExampleSet es, List<String> mergeList, FeatureGenerator generator)
		throws GenerationException {
	Attribute mergeAttribute = null;
	Iterator<String> i = mergeList.iterator();
	while (i.hasNext()) {
		Attribute currentAttribute = es.getAttributes().getRegular(i.next());
		if (mergeAttribute == null) {
			mergeAttribute = currentAttribute;
		} else {
			generator = generator.newInstance();
			Attribute[] args = new Attribute[] { mergeAttribute, currentAttribute };
			generator.setArguments(args);
			List<FeatureGenerator> generatorList = new LinkedList<FeatureGenerator>();
			generatorList.add(generator);
			List<Attribute> newAttributes = FeatureGenerator.generateAll(es.getExampleTable(), generatorList);
			mergeAttribute = newAttributes.get(0);
		}
	}
	es.getAttributes().addRegular(mergeAttribute);
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
@Override
public void startVisualization(Object id) {
	int index = 0;
	if (id instanceof String) {
		String idString = (String) id;
		index = Integer.parseInt(idString.substring(0, idString.indexOf("(")).trim());
	} else {
		index = ((Double) id).intValue();
	}
	AggregationIndividual individual = lastPopulation.get(index);
	ExampleSet es = null;
	try {
		es = individual.createExampleSet(originalExampleSet, allAttributes, generator);
	} catch (GenerationException e) {
		throw new RuntimeException("Cannot visualize individual '" + index + "': " + e.getMessage());
	}
	Component visualizationComponent = ResultDisplayTools.createVisualizationComponent(es, null, es.getName());
	JFrame frame = new JFrame();
	frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
	frame.getContentPane().setLayout(new BorderLayout());
	frame.getContentPane().add(new ExtendedJScrollPane(visualizationComponent), BorderLayout.CENTER);
	frame.setSize(600, 400);
	frame.setLocationRelativeTo(null);
	frame.setVisible(true);
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
/**
 * Performs one of the following three mutations:
 * <ul>
 * <li>add a newly generated attribute</li>
 * <li>add an original attribute</li>
 * <li>remove an attribute</li>
 * </ul>
 */
@Override
public List<ExampleSetBasedIndividual> operate(ExampleSetBasedIndividual individual) throws Exception {
	LinkedList<ExampleSetBasedIndividual> l = new LinkedList<ExampleSetBasedIndividual>();
	AttributeWeightedExampleSet clone = (AttributeWeightedExampleSet) individual.getExampleSet().clone();

	try {
		int numberOriginal = addOriginalAttribute(clone);
		int numberCreated = addGeneratedAttribute(clone);
		deselect(clone, numberOriginal + numberCreated);
	} catch (GenerationException e) {
		individual
				.getExampleSet()
				.getLog()
				.logWarning(
						"GeneratingMutation: Exception occured during generation of attributes, using only original example set instead.");
	}

	if (clone.getNumberOfUsedAttributes() > 0) {
		l.add(new ExampleSetBasedIndividual(clone));
	}
	l.add(individual);
	return l;
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
private int addOriginalAttribute(AttributeWeightedExampleSet exampleSet) throws GenerationException, OperatorException {
	int counter = 0;
	for (int k = 0; k < numberOfOriginal; k++) {
		if (random.nextDouble() < p) {
			int i = random.nextInt(originalAttributes.size());
			Attribute originalAttribute = originalAttributes.get(i);
			if (exampleSet.getAttributes().getRegular(originalAttribute.getName()) == null) {
				exampleSet.getAttributes().addRegular(originalAttribute);
				counter++;
			}

			// add sinus functions of the original attribute
			List<AttributePeak> peaks = factory.getAttributePeaks(exampleSet, exampleSet.getAttributes().getLabel(),
					originalAttribute);
			if (peaks.size() > 0) {
				factory.generateSinusFunctions(exampleSet, peaks, random);
			}
			counter += peaks.size();
		}
	}
	return counter;
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
/**
 * Performs one of the following three mutations:
 * <ul>
 * <li>add a newly generated attribute</li>
 * <li>add an original attribute</li>
 * <li>remove an attribute</li>
 * </ul>
 */
@Override
public List<ExampleSetBasedIndividual> operate(ExampleSetBasedIndividual individual) throws Exception {
	List<ExampleSetBasedIndividual> l = new LinkedList<ExampleSetBasedIndividual>();
	AttributeWeightedExampleSet clone = (AttributeWeightedExampleSet) individual.getExampleSet().clone();

	try {
		addOriginalAttribute(clone);
		addGeneratedAttribute(clone);
		deselect(clone, maxGeneratedAttributes + maxAddedOriginalAttributes);

		if (clone.getNumberOfUsedAttributes() > 0) {
			l.add(new ExampleSetBasedIndividual(clone));
		}
	} catch (GenerationException e) {
		individual
				.getExampleSet()
				.getLog()
				.logWarning(
						"DirectedGGA: Exception occured during generation of attributes, using only original example set instead.");
	}
	l.add(individual);
	return l;
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
/**
 * Performs one of the following three mutations:
 * <ul>
 * <li>add a newly generated attribute</li>
 * <li>add an original attribute</li>
 * <li>remove an attribute</li>
 * </ul>
 */
@Override
public List<ExampleSetBasedIndividual> operate(ExampleSetBasedIndividual individual) throws Exception {
	LinkedList<ExampleSetBasedIndividual> l = new LinkedList<ExampleSetBasedIndividual>();
	AttributeWeightedExampleSet clone = new AttributeWeightedExampleSet(individual.getExampleSet());

	try {
		int numberOriginal = addOriginalAttribute(clone);
		int numberCreated = addGeneratedAttribute(clone);
		deselect(clone, numberOriginal + numberCreated);
	} catch (GenerationException e) {
		individual
				.getExampleSet()
				.getLog()
				.logWarning(
						"GeneratingMutation: Exception occured during generation of attributes, using only original example set instead.");
	}

	if (clone.getNumberOfUsedAttributes() > 0) {
		l.add(new ExampleSetBasedIndividual(clone));
	}
	l.add(individual);
	return l;
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
/**
 * Performs one of the following three mutations:
 * <ul>
 * <li>add a newly generated attribute</li>
 * <li>add an original attribute</li>
 * <li>remove an attribute</li>
 * </ul>
 */
@Override
public List<ExampleSetBasedIndividual> operate(ExampleSetBasedIndividual individual) throws Exception {
	List<ExampleSetBasedIndividual> l = new LinkedList<ExampleSetBasedIndividual>();
	AttributeWeightedExampleSet clone = new AttributeWeightedExampleSet(individual.getExampleSet());

	try {
		addOriginalAttribute(clone);
		addGeneratedAttribute(clone);
		deselect(clone, maxGeneratedAttributes + maxAddedOriginalAttributes);

		if (clone.getNumberOfUsedAttributes() > 0) {
			l.add(new ExampleSetBasedIndividual(clone));
		}
	} catch (GenerationException e) {
		individual
				.getExampleSet()
				.getLog()
				.logWarning(
						"DirectedGGA: Exception occured during generation of attributes, using only original example set instead.");
	}
	l.add(individual);
	return l;
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
private static int getClosingBracketIndex(String string, int startIndex) throws GenerationException {
	int openCount = 1;
	while (true) {
		int nextOpen = string.indexOf("(", startIndex + 1);
		int nextClosing = string.indexOf(")", startIndex + 1);
		if (nextClosing == -1)
			throw new GenerationException("Malformed attribute description: mismatched parantheses");
		if ((nextOpen != -1) && (nextOpen < nextClosing)) {
			openCount++;
			startIndex = nextOpen;
		} else {
			openCount--;
			startIndex = nextClosing;
		}
		if (openCount == 0) {
			return nextClosing;
		}
	}
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
/**
 * The given list must contain the original attribute names which should be
 * merged by the global FeatureGenerator.
 */
private void addNewMergedAttribute(AttributeWeightedExampleSet es, List<String> mergeList, FeatureGenerator generator) throws GenerationException {
	Attribute mergeAttribute = null;
	Iterator<String> i = mergeList.iterator();
	while (i.hasNext()) {
		Attribute currentAttribute = es.getAttributes().getRegular(i.next());
		if (mergeAttribute == null) {
			mergeAttribute = currentAttribute;
		} else {
			generator = generator.newInstance();
			Attribute[] args = new Attribute[] { mergeAttribute, currentAttribute };
			generator.setArguments(args);
			List<FeatureGenerator> generatorList = new LinkedList<FeatureGenerator>();
			generatorList.add(generator);
			List<Attribute> newAttributes = FeatureGenerator.generateAll(es.getExampleTable(), generatorList);
			mergeAttribute = newAttributes.get(0);
		}
	}
	es.getAttributes().addRegular(mergeAttribute);
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
public void startVisualization(Object id) {
	int index = 0;
	if (id instanceof String) {
		String idString = (String) id;
		index = Integer.parseInt(idString.substring(0, idString.indexOf("(")).trim());
	} else
		index = ((Double) id).intValue();
	AggregationIndividual individual = lastPopulation.get(index);
	ExampleSet es = null;
	try {
		es = individual.createExampleSet(originalExampleSet, allAttributes, generator);
	} catch (GenerationException e) {
		throw new RuntimeException("Cannot visualize individual '" + index + "': " + e.getMessage());
	}
	Component visualizationComponent = ResultDisplayTools.createVisualizationComponent(es, null, es.getName());
	JFrame frame = new JFrame();
	frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
	frame.getContentPane().setLayout(new BorderLayout());
	frame.getContentPane().add(new ExtendedJScrollPane(visualizationComponent), BorderLayout.CENTER);
	frame.setSize(600, 400);
	frame.setLocationRelativeTo(null);
	frame.setVisible(true);
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
/**
 * Performs one of the following three mutations:
 * <ul>
 * <li>add a newly generated attribute</li>
 * <li>add an original attribute</li>
 * <li>remove an attribute</li>
 * </ul>
 */
@Override
public List<ExampleSetBasedIndividual> operate(ExampleSetBasedIndividual individual) throws Exception {
	LinkedList<ExampleSetBasedIndividual> l = new LinkedList<ExampleSetBasedIndividual>();
	AttributeWeightedExampleSet clone = (AttributeWeightedExampleSet) individual.getExampleSet().clone();

	try {
		int numberOriginal = addOriginalAttribute(clone);
		int numberCreated = addGeneratedAttribute(clone);
		deselect(clone, numberOriginal + numberCreated);
	} catch (GenerationException e) {
		individual.getExampleSet().getLog().logWarning("GeneratingMutation: Exception occured during generation of attributes, using only original example set instead.");
	}

	if (clone.getNumberOfUsedAttributes() > 0) {
		l.add(new ExampleSetBasedIndividual(clone));
	}
	l.add(individual);
	return l;
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
private int addOriginalAttribute(AttributeWeightedExampleSet exampleSet) throws GenerationException, OperatorException {
	int counter = 0;
	for (int k = 0; k < numberOfOriginal; k++) {
		if (random.nextDouble() < p) {
			int i = random.nextInt(originalAttributes.size());
			Attribute originalAttribute = originalAttributes.get(i);
			if (exampleSet.getAttributes().getRegular(originalAttribute.getName()) == null) {
				exampleSet.getAttributes().addRegular(originalAttribute);
				counter++;
			}

			// add sinus functions of the original attribute
			List<AttributePeak> peaks = factory.getAttributePeaks(exampleSet, exampleSet.getAttributes().getLabel(), originalAttribute);
			if (peaks.size() > 0)
				factory.generateSinusFunctions(exampleSet, peaks, random);
			counter += peaks.size();
		}
	}
	return counter;
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
/**
 * Performs one of the following three mutations:
 * <ul>
 * <li>add a newly generated attribute</li>
 * <li>add an original attribute</li>
 * <li>remove an attribute</li>
 * </ul>
 */
@Override
public List<ExampleSetBasedIndividual> operate(ExampleSetBasedIndividual individual) throws Exception {
	List<ExampleSetBasedIndividual> l = new LinkedList<ExampleSetBasedIndividual>();
	AttributeWeightedExampleSet clone = (AttributeWeightedExampleSet) individual.getExampleSet().clone();
	double p = prob < 0 ? 1.0d / clone.getAttributes().size() : prob;
	p /= 4.0d;
	try {
		if ((maxNumberOfAttributes < 0) || (clone.getAttributes().size() < maxNumberOfAttributes)) {
			addOriginalAttribute(clone, p);
		}
		boolean generationPossible = false;
		if ((maxNumberOfAttributes < 0) || (clone.getAttributes().size() <= maxNumberOfAttributes)) {
			generationPossible = addGeneratedAttribute(clone, p);
		}
		deselect(clone, generationPossible ? 2 : 1, p);
	} catch (GenerationException e) {
		individual.getExampleSet().getLog().logWarning("GeneratingMutation: Exception occured during generation of attributes, using only original example set instead.");
	}

	if (clone.getNumberOfUsedAttributes() > 0) {
		l.add(new ExampleSetBasedIndividual(clone));
	}
	l.add(individual);
	return l;
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
/**
 * Performs one of the following three mutations:
 * <ul>
 * <li>add a newly generated attribute</li>
 * <li>add an original attribute</li>
 * <li>remove an attribute</li>
 * </ul>
 */
@Override
public List<ExampleSetBasedIndividual> operate(ExampleSetBasedIndividual individual) throws Exception {
	List<ExampleSetBasedIndividual> l = new LinkedList<ExampleSetBasedIndividual>();
	AttributeWeightedExampleSet clone = (AttributeWeightedExampleSet) individual.getExampleSet().clone();

	try {
		addOriginalAttribute(clone);
		addGeneratedAttribute(clone);
		deselect(clone, maxGeneratedAttributes + maxAddedOriginalAttributes);

		if (clone.getNumberOfUsedAttributes() > 0) {
			l.add(new ExampleSetBasedIndividual(clone));
		}
	} catch (GenerationException e) {
		individual.getExampleSet().getLog().logWarning("DirectedGGA: Exception occured during generation of attributes, using only original example set instead.");
	}
	l.add(individual);
	return l;
}
 

import com.rapidminer.generator.GenerationException; //导入依赖的package包/类
@Override
public void doWork() throws OperatorException {		
	AbstractExpressionParser parser = ExpressionParserFactory.getExpressionParser(getParameterAsBoolean(PARAMETER_USE_STANDARD_CONSTANTS), getProcess());
	Iterator<String[]> j = getParameterList(PARAMETER_FUNCTIONS).iterator();
	while (j.hasNext()) {
		String[] nameFunctionPair = j.next();
		String name = nameFunctionPair[0];
		String function = nameFunctionPair[1];

		try {
			parser.addMacro(getProcess().getMacroHandler(), name, function);
		} catch (GenerationException e) {
			throw new UserError(this, 108, e.getMessage());
		}
	}

	dummyPorts.passDataThrough();
}