/* * Copyright (c) 2011 LinkedIn, Inc * * 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. */ package com.flaptor.indextank.index.term; import java.util.NavigableMap; import com.flaptor.indextank.index.DocId; import com.flaptor.indextank.util.SkippableIterable; public interface TermMatcher extends RawMatchesDecoder { public SkippableIterable<DocTermMatch> getMatches(String field, String term); /** * Range (prefix) matching. All terms (existing in the index) between termFrom and termTo * (lexicographically speaking) will be matched for the field. * * @param field the field to match in * @param termFrom the left boundary of the range (inclusive) * @param termTo the rigth boundary of the range (exclusive) * * @return a NavigableMap from the terms to the resulting Iterables of DocTermMatch */ public NavigableMap<String, SkippableIterable<DocTermMatch>> getMatches(String field, String termFrom, String termTo); public SkippableIterable<Integer> getAllDocs(); public boolean hasChanges(DocId docid); }