/**
* Retrieves the identifying number of the relation definition that is 'allowed' between two
* specified node types. The results are dependent on there being only one type of relation
* between two node types (not enforced, thus unpredictable). Makes use of a typeRelNodes.
*
* @param snum The first objectnode type (the source)
* @param dnum The second objectnode type (the destination)
* @return the number of the found relation, or -1 if either no relation was found, or more than
* one was found.
*/
public int getAllowedRelationType(int snum, int dnum) {
Set<MMObjectNode> set =
new HashSet<MMObjectNode>(typeRelNodes.getBySourceDestination(snum, dnum));
set.addAll(inverseTypeRelNodes.getByDestinationSource(dnum, snum));
if (set.size() != 1) {
return -1;
} else {
MMObjectNode n = set.iterator().next();
return n.getIntValue("rnumber");
}
}
/**
* A Set of all allowed relations of a certain role between two builders. Distinction is made
* between source and destination depending on passed directionality.
*
* @since MMBase-1.6.2
*/
public Set<MMObjectNode> getAllowedRelations(
int builder1, int builder2, int role, int directionality) {
Set<MMObjectNode> res = new HashSet<MMObjectNode>();
if (directionality != RelationStep.DIRECTIONS_SOURCE) {
res.addAll(typeRelNodes.getBySourceDestinationRole(builder1, builder2, role));
}
if (directionality != RelationStep.DIRECTIONS_DESTINATION
&& (directionality != RelationStep.DIRECTIONS_EITHER || res.isEmpty())) {
res.addAll(inverseTypeRelNodes.getByDestinationSourceRole(builder2, builder1, role));
}
return res;
}
JdbcIndexDefinition(
DataSource ds,
Element element,
Set allIndexedFields,
boolean storeText,
boolean mergeText,
Analyzer a,
boolean isSub) {
this.dataSource = ds;
indexSql = element.getAttribute("sql");
key = element.getAttribute("key");
String elementId = element.getAttribute("identifier");
identifier = "".equals(elementId) ? key : elementId;
findSql = element.getAttribute("find");
NodeList childNodes = element.getChildNodes();
for (int k = 0; k < childNodes.getLength(); k++) {
if (childNodes.item(k) instanceof Element) {
Element childElement = (Element) childNodes.item(k);
if ("field".equals(childElement.getLocalName())) {
if (childElement.getAttribute("keyword").equals("true")) {
keyWords.add(childElement.getAttribute("name"));
}
String m = childElement.getAttribute("multiple");
if ("".equals(m)) m = "add";
if (!m.equals("add")) {
nonDefaultMultiples.put(
childElement.getAttribute("name"), Indexer.Multiple.valueOf(m.toUpperCase()));
}
String b = childElement.getAttribute("boost");
if (!b.equals("")) {
boosts.put(childElement.getAttribute("name"), Float.valueOf(b));
}
} else if ("related".equals(childElement.getLocalName())) {
subQueries.add(
new JdbcIndexDefinition(
ds, childElement, allIndexedFields, storeText, mergeText, a, true));
}
}
}
this.analyzer = a;
this.isSub = isSub;
assert !isSub || "".equals(findSql);
}
public Set<String> getIdentifiers() {
Set<String> ids = new HashSet<String>();
ids.add(getIdentifier());
return ids;
}
