+++ /dev/null
-package org.apache.lucene.search.spans;
-/**
- * Copyright 2005 The Apache Software Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-import org.apache.lucene.index.Term;
-import org.apache.lucene.index.TermPositions;
-
-import java.io.IOException;
-import java.util.Collections;
-import java.util.Collection;
-
-/**
- * Expert:
- * Public for extension only
- */
-public class TermSpans extends Spans {
- protected TermPositions positions;
- protected Term term;
- protected int doc;
- protected int freq;
- protected int count;
- protected int position;
-
-
- public TermSpans(TermPositions positions, Term term) throws IOException {
-
- this.positions = positions;
- this.term = term;
- doc = -1;
- }
-
- @Override
- public boolean next() throws IOException {
- if (count == freq) {
- if (!positions.next()) {
- doc = Integer.MAX_VALUE;
- return false;
- }
- doc = positions.doc();
- freq = positions.freq();
- count = 0;
- }
- position = positions.nextPosition();
- count++;
- return true;
- }
-
- @Override
- public boolean skipTo(int target) throws IOException {
- if (!positions.skipTo(target)) {
- doc = Integer.MAX_VALUE;
- return false;
- }
-
- doc = positions.doc();
- freq = positions.freq();
- count = 0;
-
- position = positions.nextPosition();
- count++;
-
- return true;
- }
-
- @Override
- public int doc() {
- return doc;
- }
-
- @Override
- public int start() {
- return position;
- }
-
- @Override
- public int end() {
- return position + 1;
- }
-
- // TODO: Remove warning after API has been finalized
- @Override
- public Collection<byte[]> getPayload() throws IOException {
- byte [] bytes = new byte[positions.getPayloadLength()];
- bytes = positions.getPayload(bytes, 0);
- return Collections.singletonList(bytes);
- }
-
- // TODO: Remove warning after API has been finalized
- @Override
- public boolean isPayloadAvailable() {
- return positions.isPayloadAvailable();
- }
-
- @Override
- public String toString() {
- return "spans(" + term.toString() + ")@" +
- (doc == -1 ? "START" : (doc == Integer.MAX_VALUE) ? "END" : doc + "-" + position);
- }
-
-
- public TermPositions getPositions() {
- return positions;
- }
-}