/* * 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.geode.cache.lucene; import java.util.Collection; import java.util.List; import org.apache.geode.annotations.Experimental; /** * Provides wrapper object of Lucene's Query object and execute the search. * <p> * Instances of this interface are created using {@link LuceneQueryFactory#create}. * */ @Experimental public interface LuceneQuery<K, V> { /** * Execute search and return keys. */ public Collection<K> findKeys() throws LuceneQueryException; /** * Execute search and return values. */ public Collection<V> findValues() throws LuceneQueryException; /** * Execute search and return list of LuceneResultStruct. */ public List<LuceneResultStruct<K, V>> findResults() throws LuceneQueryException; /** * Execute the search and get results. */ public PageableLuceneQueryResults<K, V> findPages() throws LuceneQueryException; /** * Get page size setting of current query. */ public int getPageSize(); /** * Get limit size setting of current query. */ public int getLimit(); /** * Get projected fields setting of current query. */ public String[] getProjectedFieldNames(); }