+++ /dev/null
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.
- */
-
-package org.apache.lucene.index;
-
-import java.io.IOException;
-
-/** Base class for enumerating all but deleted docs.
- *
- * <p>NOTE: this class is meant only to be used internally
- * by Lucene; it's only public so it can be shared across
- * packages. This means the API is freely subject to
- * change, and, the class could be removed entirely, in any
- * Lucene release. Use directly at your own risk! */
-public abstract class AbstractAllTermDocs implements TermDocs {
-
- protected int maxDoc;
- protected int doc = -1;
-
- protected AbstractAllTermDocs(int maxDoc) {
- this.maxDoc = maxDoc;
- }
-
- public void seek(Term term) throws IOException {
- if (term==null) {
- doc = -1;
- } else {
- throw new UnsupportedOperationException();
- }
- }
-
- public void seek(TermEnum termEnum) throws IOException {
- throw new UnsupportedOperationException();
- }
-
- public int doc() {
- return doc;
- }
-
- public int freq() {
- return 1;
- }
-
- public boolean next() throws IOException {
- return skipTo(doc+1);
- }
-
- public int read(int[] docs, int[] freqs) throws IOException {
- final int length = docs.length;
- int i = 0;
- while (i < length && doc < maxDoc) {
- if (!isDeleted(doc)) {
- docs[i] = doc;
- freqs[i] = 1;
- ++i;
- }
- doc++;
- }
- return i;
- }
-
- public boolean skipTo(int target) throws IOException {
- doc = target;
- while (doc < maxDoc) {
- if (!isDeleted(doc)) {
- return true;
- }
- doc++;
- }
- return false;
- }
-
- public void close() throws IOException {
- }
-
- public abstract boolean isDeleted(int doc);
-}
\ No newline at end of file