| /* |
| * Copyright 2009-2013 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search; |
| |
| import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference; |
| import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate; |
| import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator; |
| import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier; |
| import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer; |
| |
| public class InvertedIndexSearchPredicate implements ISearchPredicate { |
| private static final long serialVersionUID = 1L; |
| |
| private ITupleReference queryTuple; |
| private int queryFieldIndex; |
| private final IBinaryTokenizer queryTokenizer; |
| private final IInvertedIndexSearchModifier searchModifier; |
| |
| public InvertedIndexSearchPredicate(IBinaryTokenizer queryTokenizer, IInvertedIndexSearchModifier searchModifier) { |
| this.queryTokenizer = queryTokenizer; |
| this.searchModifier = searchModifier; |
| } |
| |
| public void setQueryTuple(ITupleReference queryTuple) { |
| this.queryTuple = queryTuple; |
| } |
| |
| public ITupleReference getQueryTuple() { |
| return queryTuple; |
| } |
| |
| public void setQueryFieldIndex(int queryFieldIndex) { |
| this.queryFieldIndex = queryFieldIndex; |
| } |
| |
| public int getQueryFieldIndex() { |
| return queryFieldIndex; |
| } |
| |
| public IInvertedIndexSearchModifier getSearchModifier() { |
| return searchModifier; |
| } |
| |
| public IBinaryTokenizer getQueryTokenizer() { |
| return queryTokenizer; |
| } |
| |
| @Override |
| public MultiComparator getLowKeyComparator() { |
| // TODO: This doesn't make sense for an inverted index. Change ISearchPredicate interface. |
| return null; |
| } |
| |
| @Override |
| public MultiComparator getHighKeyComparator() { |
| // TODO: This doesn't make sense for an inverted index. Change ISearchPredicate interface. |
| return null; |
| } |
| } |