public void testNearSpansNextThenSkipPast() throws Exception {
SpanNearQuery q = makeQuery();
Spans span = q.getSpans(searcher.getIndexReader());
assertEquals(true, span.next());
assertEquals(s(0, 0, 3), s(span));
assertEquals(false, span.skipTo(2));
}
public NearSpans(SpanNearQuery query, IndexReader reader) throws IOException {
this.query = query;
this.slop = query.getSlop();
this.inOrder = query.isInOrder();
SpanQuery[] clauses = query.getClauses(); // initialize spans & list
queue = new CellQueue(clauses.length);
for (int i = 0; i < clauses.length; i++) {
SpansCell cell = // construct clause spans
new SpansCell(clauses[i].getSpans(reader), i);
ordered.add(cell); // add to ordered
}
}
public NearSpansOrdered(SpanNearQuery spanNearQuery, IndexReader reader) throws IOException {
if (spanNearQuery.getClauses().length < 2) {
throw new IllegalArgumentException("Less than 2 clauses: " + spanNearQuery);
}
allowedSlop = spanNearQuery.getSlop();
SpanQuery[] clauses = spanNearQuery.getClauses();
subSpans = new PayloadSpans[clauses.length];
matchPayload = new LinkedList();
subSpansByDoc = new PayloadSpans[clauses.length];
for (int i = 0; i < clauses.length; i++) {
subSpans[i] = clauses[i].getPayloadSpans(reader);
subSpansByDoc[i] = subSpans[i]; // used in toSameDoc()
}
query = spanNearQuery; // kept for toString() only.
}
public String toString() {
return getClass().getName()
+ "("
+ query.toString()
+ ")@"
+ (firstTime ? "START" : (more ? (doc() + ":" + start() + "-" + end()) : "END"));
}
public void testBuilder() throws Exception {
// Can't add subclauses from different fields
try {
SpanNearQuery.newOrderedNearQuery("field1")
.addClause(new SpanTermQuery(new Term("field2", "term")));
fail("Expected an error when adding a clause with a different field");
} catch (IllegalArgumentException e) {
}
// Can't add gaps to unordered queries
try {
SpanNearQuery.newUnorderedNearQuery("field1").addGap(1);
fail("Expected an error when adding a gap to an unordered query");
} catch (IllegalArgumentException e) {
}
}
/** not a direct test of NearSpans, but a demonstration of how/when this causes problems */
public void testSpanNearScorerExplain() throws Exception {
SpanNearQuery q = makeQuery();
Explanation e = q.weight(searcher).explain(searcher.getIndexReader(), 1);
assertTrue(
"Scorer explanation value for doc#1 isn't positive: " + e.toString(), 0.0f < e.getValue());
}
/** not a direct test of NearSpans, but a demonstration of how/when this causes problems */
public void testSpanNearScorerSkipTo1() throws Exception {
SpanNearQuery q = makeQuery();
Weight w = q.weight(searcher);
Scorer s = w.scorer(searcher.getIndexReader(), true, false);
assertEquals(1, s.advance(1));
}
public void testNearSpansSkipTo1() throws Exception {
SpanNearQuery q = makeQuery();
Spans span = q.getSpans(searcher.getIndexReader());
assertEquals(true, span.skipTo(1));
assertEquals(s(1, 0, 4), s(span));
}
public void testNearSpansSkipPast() throws Exception {
SpanNearQuery q = makeQuery();
Spans span = q.getSpans(searcher.getIndexReader());
assertEquals(false, span.skipTo(2));
}
public String toString() {
return "spans("
+ query.toString()
+ ")@"
+ (firstTime ? "START" : (more ? (doc() + ":" + start() + "-" + end()) : "END"));
}
