/**
* Marshall an array of Genes to an XML Element representation.
*
* @param a_geneValues the genes to represent as an XML element
* @param a_xmlDocument a Document instance that will be used to create the Element instance. Note
* that the element will NOT be added to the document by this method
* @return an Element object representing the given genes
* @author Neil Rotstan
* @author Klaus Meffert
* @since 1.0
* @deprecated use XMLDocumentBuilder instead
*/
public static Element representGenesAsElement(
final Gene[] a_geneValues, final Document a_xmlDocument) {
// Create the parent genes element.
// --------------------------------
Element genesElement = a_xmlDocument.createElement(GENES_TAG);
// Now add gene sub-elements for each gene in the given array.
// -----------------------------------------------------------
Element geneElement;
for (int i = 0; i < a_geneValues.length; i++) {
// Create the allele element for this gene.
// ----------------------------------------
geneElement = a_xmlDocument.createElement(GENE_TAG);
// Add the class attribute and set its value to the class
// name of the concrete class representing the current Gene.
// ---------------------------------------------------------
geneElement.setAttribute(CLASS_ATTRIBUTE, a_geneValues[i].getClass().getName());
// Create a text node to contain the string representation of
// the gene's value (allele).
// ----------------------------------------------------------
Element alleleRepresentation = representAlleleAsElement(a_geneValues[i], a_xmlDocument);
// And now add the text node to the gene element, and then
// add the gene element to the genes element.
// -------------------------------------------------------
geneElement.appendChild(alleleRepresentation);
genesElement.appendChild(geneElement);
}
return genesElement;
}
/**
* Marshall a Chromosome instance to an XML Document representation, including its contained Gene
* instances.
*
* @param a_subject the chromosome to represent as an XML document
* @return a Document object representing the given Chromosome
* @author Neil Rotstan
* @since 1.0
* @deprecated use XMLDocumentBuilder instead
*/
public static Document representChromosomeAsDocument(final IChromosome a_subject) {
// DocumentBuilders do not have to be thread safe, so we have to
// protect creation of the Document with a synchronized block.
// -------------------------------------------------------------
Document chromosomeDocument;
synchronized (m_lock) {
chromosomeDocument = m_documentCreator.newDocument();
}
Element chromosomeElement = representChromosomeAsElement(a_subject, chromosomeDocument);
chromosomeDocument.appendChild(chromosomeElement);
return chromosomeDocument;
}
/**
* Marshall a Genotype to an XML Document representation, including its population of Chromosome
* instances.
*
* @param a_subject the genotype to represent as an XML document
* @return a Document object representing the given Genotype
* @author Neil Rotstan
* @since 1.0
* @deprecated use XMLDocumentBuilder instead
*/
public static Document representGenotypeAsDocument(final Genotype a_subject) {
// DocumentBuilders do not have to be thread safe, so we have to
// protect creation of the Document with a synchronized block.
// -------------------------------------------------------------
Document genotypeDocument;
synchronized (m_lock) {
genotypeDocument = m_documentCreator.newDocument();
}
Element genotypeElement = representGenotypeAsElement(a_subject, genotypeDocument);
genotypeDocument.appendChild(genotypeElement);
return genotypeDocument;
}
/**
* Unmarshall a Chromosome instance from a given XML Document representation. Its genes will be
* unmarshalled from the gene sub-elements.
*
* @param a_activeConfiguration the current active Configuration object that is to be used during
* construction of the Chromosome instances
* @param a_xmlDocument the XML Document representation of the Chromosome
* @return a new Chromosome instance setup with the data from the XML Document representation
* @throws ImproperXMLException if the given Document is improperly structured or missing data
* @throws InvalidConfigurationException if the given Configuration is in an inconsistent state
* @throws UnsupportedRepresentationException if the actively configured Gene implementation does
* not support the string representation of the alleles used in the given XML document
* @throws GeneCreationException if there is a problem creating or populating a Gene instance
* @author Neil Rotstan
* @since 1.0
*/
public static Chromosome getChromosomeFromDocument(
Configuration a_activeConfiguration, Document a_xmlDocument)
throws ImproperXMLException, InvalidConfigurationException,
UnsupportedRepresentationException, GeneCreationException {
// Extract the root element, which should be a chromosome element.
// After verifying that the root element is not null and that it
// in fact is a chromosome element, then convert it into a Chromosome
// instance.
// ------------------------------------------------------------------
Element rootElement = a_xmlDocument.getDocumentElement();
if (rootElement == null || !(rootElement.getTagName().equals(CHROMOSOME_TAG))) {
throw new ImproperXMLException(
"Unable to build Chromosome instance from XML Document: "
+ "'chromosome' element must be at root of Document.");
}
return getChromosomeFromElement(a_activeConfiguration, rootElement);
}
/**
* Marshall a Chromosome instance to an XML Element representation, including its contained Genes
* as sub-elements. This may be useful in scenarios where representation as an entire Document is
* undesirable, such as when the representation of this Chromosome is to be combined with other
* elements in a single Document.
*
* @param a_subject the chromosome to represent as an XML element
* @param a_xmlDocument a Document instance that will be used to create the Element instance. Note
* that the element will NOT be added to the document by this method
* @return an Element object representing the given Chromosome
* @author Neil Rotstan
* @since 1.0
* @deprecated use XMLDocumentBuilder instead
*/
public static Element representChromosomeAsElement(
final IChromosome a_subject, final Document a_xmlDocument) {
// Start by creating an element for the chromosome and its size
// attribute, which represents the number of genes in the chromosome.
// ------------------------------------------------------------------
Element chromosomeElement = a_xmlDocument.createElement(CHROMOSOME_TAG);
chromosomeElement.setAttribute(SIZE_ATTRIBUTE, Integer.toString(a_subject.size()));
// Next create the genes element with its nested gene elements,
// which will contain string representations of the alleles.
// --------------------------------------------------------------
Element genesElement = representGenesAsElement(a_subject.getGenes(), a_xmlDocument);
// Add the new genes element to the chromosome element and then
// return the chromosome element.
// -------------------------------------------------------------
chromosomeElement.appendChild(genesElement);
return chromosomeElement;
}
/**
* Marshall a Genotype instance into an XML Element representation, including its population of
* Chromosome instances as sub-elements. This may be useful in scenarios where representation as
* an entire Document is undesirable, such as when the representation of this Genotype is to be
* combined with other elements in a single Document.
*
* @param a_subject the genotype to represent as an XML element
* @param a_xmlDocument a Document instance that will be used to create the Element instance. Note
* that the element will NOT be added to the document by this method
* @return an Element object representing the given Genotype
* @author Neil Rotstan
* @since 1.0
* @deprecated use XMLDocumentBuilder instead
*/
public static Element representGenotypeAsElement(
final Genotype a_subject, final Document a_xmlDocument) {
Population population = a_subject.getPopulation();
// Start by creating the genotype element and its size attribute,
// which represents the number of chromosomes present in the
// genotype.
// --------------------------------------------------------------
Element genotypeTag = a_xmlDocument.createElement(GENOTYPE_TAG);
genotypeTag.setAttribute(SIZE_ATTRIBUTE, Integer.toString(population.size()));
// Next, add nested elements for each of the chromosomes in the
// genotype.
// ------------------------------------------------------------
for (int i = 0; i < population.size(); i++) {
Element chromosomeElement =
representChromosomeAsElement(population.getChromosome(i), a_xmlDocument);
genotypeTag.appendChild(chromosomeElement);
}
return genotypeTag;
}
/**
* @param a_gene Gene
* @param a_xmlDocument Document
* @return Element
* @author Klaus Meffert
* @since 2.0
*/
private static Element representAlleleAsElement(final Gene a_gene, final Document a_xmlDocument) {
Element alleleElement = a_xmlDocument.createElement(ALLELE_TAG);
alleleElement.setAttribute("class", a_gene.getClass().getName());
alleleElement.setAttribute("value", a_gene.getPersistentRepresentation());
return alleleElement;
}