1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.shardingsphere.sqlfederation.optimizer.context;
19
20 import lombok.Getter;
21 import lombok.RequiredArgsConstructor;
22 import org.apache.shardingsphere.parser.rule.SQLParserRule;
23 import org.apache.shardingsphere.sqlfederation.optimizer.context.parser.OptimizerParserContext;
24 import org.apache.shardingsphere.sqlfederation.optimizer.context.planner.OptimizerMetaData;
25
26 import java.util.Map;
27
28 /**
29 * Optimizer context.
30 */
31 @RequiredArgsConstructor
32 public final class OptimizerContext {
33
34 @Getter
35 private final SQLParserRule sqlParserRule;
36
37 private final Map<String, OptimizerParserContext> parserContexts;
38
39 private final Map<String, OptimizerMetaData> optimizerMetaData;
40
41 /**
42 * Get parser context.
43 *
44 * @param databaseName database name
45 * @return parser context
46 */
47 public OptimizerParserContext getParserContext(final String databaseName) {
48 return parserContexts.get(databaseName);
49 }
50
51 /**
52 * Get meta data.
53 *
54 * @param databaseName database name
55 * @return optimizer meta data
56 */
57 public OptimizerMetaData getMetaData(final String databaseName) {
58 return optimizerMetaData.get(databaseName);
59 }
60 }