/** * Copyright 2012-2015 Niall Gallagher * * 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.googlecode.cqengine.persistence.support; import com.googlecode.cqengine.query.Query; import com.googlecode.cqengine.query.option.QueryOptions; import com.googlecode.cqengine.resultset.ResultSet; import java.util.Iterator; /** * Created by npgall on 01/03/2016. */ public class ObjectStoreResultSet<O> extends ResultSet<O> { final ObjectStore<O> objectStore; final Query<O> query; final QueryOptions queryOptions; final int retrievalCost; final ObjectSet<O> objectSet; public ObjectStoreResultSet(ObjectStore<O> objectStore, Query<O> query, QueryOptions queryOptions, int retrievalCost) { this.objectStore = objectStore; this.query = query; this.queryOptions = queryOptions; this.retrievalCost = retrievalCost; this.objectSet = ObjectSet.fromObjectStore(objectStore, queryOptions); } @Override public Iterator<O> iterator() { return objectSet.iterator(); } @Override public boolean contains(O object) { return objectStore.contains(object, queryOptions); } @Override public boolean matches(O object) { return query.matches(object, queryOptions); } @Override public Query<O> getQuery() { return query; } @Override public QueryOptions getQueryOptions() { return queryOptions; } @Override public int getRetrievalCost() { return retrievalCost; } @Override public int getMergeCost() { return size(); } @Override public int size() { return objectStore.size(queryOptions); } @Override public void close() { objectSet.close(); } }