| /* |
| * 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.jackrabbit.oak.query.plan; |
| |
| import org.apache.jackrabbit.oak.query.ast.SelectorImpl; |
| import org.apache.jackrabbit.oak.spi.query.QueryIndex; |
| import org.apache.jackrabbit.oak.spi.query.QueryIndex.IndexPlan; |
| |
| /** |
| * An execution plan for one selector in a query. The conditions of the given |
| * selectors are compiled into a filter, and the execution plan for the selector |
| * is to use a certain query index, which will result in an estimated cost to |
| * use that index to retrieve nodes for this index. |
| */ |
| public class SelectorExecutionPlan implements ExecutionPlan { |
| |
| private final SelectorImpl selector; |
| private final double estimatedCost; |
| private final QueryIndex index; |
| private final IndexPlan plan; |
| |
| public SelectorExecutionPlan(SelectorImpl selector, QueryIndex index, IndexPlan plan, double estimatedCost) { |
| this.selector = selector; |
| this.index = index; |
| this.estimatedCost = estimatedCost; |
| this.plan = plan; |
| } |
| |
| @Override |
| public double getEstimatedCost() { |
| return estimatedCost; |
| } |
| |
| public SelectorImpl getSelector() { |
| return selector; |
| } |
| |
| public QueryIndex getIndex() { |
| return index; |
| } |
| |
| public IndexPlan getIndexPlan() { |
| return plan; |
| } |
| |
| } |