public FeatureFileIndexingResult retrieve(FeatureVector v, int condition, int parameter) {
int level = 0;
/* Check if the tree is there */
if (tree == null) {
throw new RuntimeException(
"Can't retrieve candidate units if a tree has not been built."
+ " (Run this.deepSort(int[]) or this.deepFill(MaryNode) first.)");
}
// /**/
// /* TODO: Do we want the warning below? */
// /*if ( (condition == MAXLEVEL) && (featureSequence != null) && (parameter >
// featureSequence.length) ) {
// System.out.println( "WARNING: you asked for more levels [" + maxLevel
// + "] than the length of the underlying feature sequence[" +
// featureSequence.length + "]. Proceeding anyways." );
// }*/
/* Walk down the tree */
MaryNode n = tree;
MaryNode next = null;
while (!n.isLeaf()) {
next = n.getChild(v.getFeatureAsInt(n.getFeatureIndex()));
/* Check for the number of units in the next node */
if ((condition == MINUNITS) && ((next.to - next.from) < parameter)) break;
/* Check if the next node is a dead branch */
if (next != null) {
n = next;
level++;
} else break;
/* Check for the current level */
if ((condition == MAXLEVEL) && (level == parameter)) break;
}
/* Dereference the reached node or leaf */
FeatureFileIndexingResult qr =
new FeatureFileIndexingResult(getFeatureVectors(n.from, n.to), level);
return (qr);
}
/**
* Retrieve an array of unit features which complies with a specific target specification,
* according to an underlying tree.
*
* @param v A feature vector for which to send back an array of complying unit indexes.
* @return A query result, comprising an array of feature vectors and the depth level which was
* actually reached.
* @see FeatureArrayIndexer#deepSort(int[])
* @see FeatureArrayIndexer#deepFill(MaryNode)
*/
public FeatureFileIndexingResult retrieve(FeatureVector v) {
int level = 0;
/* Check if the tree is there */
if (tree == null) {
throw new RuntimeException(
"Can't retrieve candidate units if a tree has not been built."
+ " (Run this.deepSort(int[]) or this.deepFill(MaryNode) first.)");
}
/* Walk down the tree */
MaryNode n = tree;
MaryNode next = null;
while (!n.isLeaf()) {
next = n.getChild(v.getFeatureAsInt(n.getFeatureIndex()));
/* Check if the next node is a dead branch */
if (next != null) {
n = next;
level++;
} else break;
}
/* Dereference the reached node or leaf */
FeatureFileIndexingResult qr =
new FeatureFileIndexingResult(getFeatureVectors(n.from, n.to), level);
return (qr);
}
