/**
* Loads a pair from the supplied XML element.
*
* @param graph the graph which elements to load Ideally, I need to match string IDs loaded to
* those of the graph but this is not done because
* <ul>
* <li>graphseries used to mangle names of vertices, now this should not happen often (and
* if I use relabelling when loading graphs, this would never happen).
* <li>this method is expected to be general - purpose hence we do not expect a matching
* graph to be present.
* <li>matching was only needed when loading a compatibility table from a graph - graph
* loader now does the matching after reading pairs.
* </ul>
*
* @param elem element to load from
* @return loaded state pair.
*/
public static <TARGET_TYPE, CACHE_TYPE extends CachedData<TARGET_TYPE, CACHE_TYPE>>
PairScore readPair(AbstractLearnerGraph<TARGET_TYPE, CACHE_TYPE> graph, Element elem) {
if (!elem.getNodeName().equals(StatechumXML.ELEM_PAIR.name()))
throw new IllegalArgumentException("expected to load a pair but got " + elem.getNodeName());
if (!elem.hasAttribute(StatechumXML.ATTR_Q.name())
|| !elem.hasAttribute(StatechumXML.ATTR_R.name()))
throw new IllegalArgumentException("missing attribute in a pair");
String q = elem.getAttribute(StatechumXML.ATTR_Q.name()),
r = elem.getAttribute(StatechumXML.ATTR_R.name()),
score = elem.getAttribute(StatechumXML.ATTR_SCORE.name()),
otherscore = elem.getAttribute(StatechumXML.ATTR_OTHERSCORE.name());
int scoreInt = JUConstants.intUNKNOWN, otherScoreInt = JUConstants.intUNKNOWN;
if (score != null && score.length() > 0)
try {
scoreInt = Integer.valueOf(score);
} catch (NumberFormatException ex) {
statechum.Helper.throwUnchecked("failed to read a score in a pair", ex);
}
if (otherscore != null && otherscore.length() > 0)
try {
otherScoreInt = Integer.valueOf(otherscore);
} catch (NumberFormatException ex) {
statechum.Helper.throwUnchecked("failed to read a anotherscore in a pair", ex);
}
return new PairScore(
AbstractLearnerGraph.generateNewCmpVertex(VertexID.parseID(q), graph.config),
AbstractLearnerGraph.generateNewCmpVertex(VertexID.parseID(r), graph.config),
scoreInt,
otherScoreInt);
}
/**
* Loads the initial data from the supplied XML element.
*
* @param elem where to load from
* @return initial data
*/
public InitialData readInitialData(Element elem) {
if (!elem.getNodeName().equals(StatechumXML.ELEM_INIT.name()))
throw new IllegalArgumentException(
"expecting to load learner initial data " + elem.getNodeName());
NodeList children = elem.getChildNodes();
InitialData result = new InitialData();
for (int i = 0; i < children.getLength(); ++i)
if (children.item(i).getNodeType() == Node.ELEMENT_NODE) {
Element e = (Element) children.item(i);
if (e.getNodeName().equals(StatechumXML.graphmlNodeNameNS.toString())) {
if (result.graph != null) throw new IllegalArgumentException("duplicate graph element");
result.graph = new LearnerGraph(config);
AbstractPersistence.loadGraph(e, result.graph, decoratedLearner.getLabelConverter());
} else if (e.getNodeName().equals(StatechumXML.ELEM_SEQ.name())) {
String sequenceName = e.getAttribute(StatechumXML.ATTR_SEQ.name());
if (sequenceName.equals(StatechumXML.ATTR_POSITIVE_SEQUENCES.name())) {
if (result.plus != null)
throw new IllegalArgumentException("duplicate positive element");
result.plus = labelio.readSequenceList(e, StatechumXML.ATTR_POSITIVE_SEQUENCES.name());
if (!e.hasAttribute(StatechumXML.ATTR_POSITIVE_SIZE.name()))
throw new IllegalArgumentException("missing positive size");
String size = e.getAttribute(StatechumXML.ATTR_POSITIVE_SIZE.name());
try {
result.plusSize = Integer.valueOf(size);
} catch (NumberFormatException ex) {
statechum.Helper.throwUnchecked("positive value is not an integer " + size, ex);
}
} else if (sequenceName.equals(StatechumXML.ATTR_NEGATIVE_SEQUENCES.name())) {
if (result.minus != null)
throw new IllegalArgumentException("duplicate negative element");
result.minus = labelio.readSequenceList(e, StatechumXML.ATTR_NEGATIVE_SEQUENCES.name());
if (!e.hasAttribute(StatechumXML.ATTR_NEGATIVE_SIZE.name()))
throw new IllegalArgumentException("missing negative size");
String size = e.getAttribute(StatechumXML.ATTR_NEGATIVE_SIZE.name());
try {
result.minusSize = Integer.valueOf(size);
} catch (NumberFormatException ex) {
statechum.Helper.throwUnchecked("negative value is not an integer " + size, ex);
}
} else
throw new IllegalArgumentException("unexpected kind of sequences: " + sequenceName);
} else throw new IllegalArgumentException("unexpected element " + e.getNodeName());
}
if (result.graph == null) throw new IllegalArgumentException("missing graph");
if (result.plus == null) throw new IllegalArgumentException("missing positive sequences");
if (result.minus == null) throw new IllegalArgumentException("missing negative sequences");
return result;
}