/**
* Generates triggers and QLDs based on decision criteria of the plan.
*
* @param plan
*/
public void generateQLD(Plan plan) {
doc = DocumentHelper.createDocument();
root = doc.addElement("schema");
root.clearContent();
root.add(SCHEMATRON_NS);
Element pattern = root.addElement(new QName("pattern", SCHEMATRON_NS));
String ident =
(null == plan.getPlanProperties().getRepositoryIdentifier()
? ""
: "(" + plan.getPlanProperties().getRepositoryIdentifier() + ")");
pattern
.addElement("title")
.setText("QLDs based on plan " + plan.getPlanProperties().getName() + ident);
List<Leaf> leaves = plan.getTree().getRoot().getAllLeaves();
List<ValidationError> errors = null;
for (Leaf leaf : leaves) {
if (leaf.isCompletelySpecified(errors)
&& leaf.isCompletelyTransformed(errors)
&& leaf.isMapped()) {
if (EvaluationScope.OBJECT == leaf.getMeasure().getAttribute().getCategory().getScope()) {
// generate QLD for Preservation Action Plan
addQLD(pattern, leaf);
}
}
}
}
/**
* Adds a QLD derived from the decision criteria of the given leaf to the given parent node.
*
* <p><schema xmlns="http://purl.oclc.org/dsdl/schematron"> <pattern> <title>measures
* rules</title> <rule context="measure[@type='similarity']"> <assert test=". >
* 0.87">Similarity score must be greater than 0.87</assert> </rule> </pattern> </schema>
*
* @param parent
* @param leaf
*/
private void addQLD(Element parent, Leaf leaf) {
// is this a drop out criteria?
if (leaf.getTransformer() instanceof OrdinalTransformer) {
// Element search for the unacceptable values (there can be more than one!)
String explanation =
leaf.getMeasure().getName() + " must have (one) of the the following values: [";
String test = "";
OrdinalTransformer ordinalT = (OrdinalTransformer) leaf.getTransformer();
for (String key : ordinalT.getMapping().keySet()) {
double value = ordinalT.getMapping().get(key).getValue();
if (Double.compare(value, 0.0) <= 0) {
test = test + "(. != '" + key + "') and ";
} else {
explanation = explanation + key + ", ";
}
}
if (test.length() > 0) {
test = test.substring(0, test.length() - 5);
explanation = explanation.substring(0, explanation.length() - 2) + "]";
Element rule = parent.addElement("rule");
rule.addAttribute(
"context", CONTEXT_MEASURE.replace("${MEASURE}", leaf.getMeasure().getUri()));
Element assertEl = rule.addElement("assert");
assertEl.addAttribute("test", test);
assertEl.setText(explanation);
}
} else if (leaf.getTransformer() instanceof NumericTransformer) {
NumericTransformer numericT = (NumericTransformer) leaf.getTransformer();
String explanation = leaf.getMeasure().getName() + " must be ";
String operator;
if (numericT.hasIncreasingOrder()) {
explanation = explanation + " greater than or equal to " + numericT.getThreshold1();
operator = " >= ";
} else {
explanation = explanation + " less than or equal to " + numericT.getThreshold1();
operator = " <= ";
}
String test = " . " + operator + " " + numericT.getThreshold1();
Element rule = parent.addElement("rule");
rule.addAttribute(
"context", CONTEXT_MEASURE.replace("${MEASURE}", leaf.getMeasure().getUri()));
Element assertEl = rule.addElement("assert");
assertEl.addAttribute("test", test);
assertEl.setText(explanation);
}
}
