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This commit is contained in:
kimchy 2010-10-26 20:05:57 +02:00
parent 184276154c
commit 14703aa1be
1 changed files with 65 additions and 2 deletions
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67
modules/elasticsearch/src/main/java/org/elasticsearch/common/lucene/docset/NotDocSet.java
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@ -34,11 +34,74 @@ public class NotDocSet extends GetDocSet {
}
@Override public boolean isCacheable() {
// if it is cached, create a new doc set for it so it will be fast for advance in iterator
return false;
return set.isCacheable();
}
@Override public boolean get(int doc) throws IOException {
return !set.get(doc);
}
// This seems like overhead compared to testing with get and iterating over docs
// @Override public DocIdSetIterator iterator() throws IOException {
// return new NotDocIdSetIterator();
// }
//
// class NotDocIdSetIterator extends DocIdSetIterator {
// int lastReturn = -1;
// private DocIdSetIterator it1 = null;
// private int innerDocid = -1;
//
// NotDocIdSetIterator() throws IOException {
// initialize();
// }
//
// private void initialize() throws IOException {
// it1 = set.iterator();
//
// if ((innerDocid = it1.nextDoc()) == DocIdSetIterator.NO_MORE_DOCS) it1 = null;
// }
//
// @Override
// public int docID() {
// return lastReturn;
// }
//
// @Override
// public int nextDoc() throws IOException {
// return advance(0);
// }
//
// @Override
// public int advance(int target) throws IOException {
//
// if (lastReturn == DocIdSetIterator.NO_MORE_DOCS) {
// return DocIdSetIterator.NO_MORE_DOCS;
// }
//
// if (target <= lastReturn) target = lastReturn + 1;
//
// if (it1 != null && innerDocid < target) {
// if ((innerDocid = it1.advance(target)) == DocIdSetIterator.NO_MORE_DOCS) {
// it1 = null;
// }
// }
//
// while (it1 != null && innerDocid == target) {
// target++;
// if (target >= max) {
// return (lastReturn = DocIdSetIterator.NO_MORE_DOCS);
// }
// if ((innerDocid = it1.advance(target)) == DocIdSetIterator.NO_MORE_DOCS) {
// it1 = null;
// }
// }
//
// // ADDED THIS, bug in code
// if (target >= max) {
// return (lastReturn = DocIdSetIterator.NO_MORE_DOCS);
// }
//
// return (lastReturn = target);
// }
// }
}