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;
19
20 import org.apache.shardingsphere.sql.parser.api.CacheOption;
21 import org.apache.shardingsphere.sqlfederation.optimizer.planner.cache.ExecutionPlanCacheKey;
22 import org.apache.shardingsphere.sqlfederation.optimizer.statement.SQLStatementCompilerEngine;
23 import org.apache.shardingsphere.sqlfederation.optimizer.statement.SQLStatementCompilerEngineFactory;
24
25 /**
26 * SQL federation compiler engine.
27 */
28 public final class SQLFederationCompilerEngine {
29
30 private final SQLStatementCompilerEngine sqlStatementCompilerEngine;
31
32 public SQLFederationCompilerEngine(final String databaseName, final String schemaName, final CacheOption cacheOption) {
33 sqlStatementCompilerEngine = SQLStatementCompilerEngineFactory.getSQLStatementCompilerEngine(databaseName, schemaName, cacheOption);
34 }
35
36 /**
37 * Compile sql statement to execution plan.
38 *
39 * @param cacheKey execution plan cache key
40 * @param useCache use cache
41 * @return sql federation execution plan
42 */
43 public SQLFederationExecutionPlan compile(final ExecutionPlanCacheKey cacheKey, final boolean useCache) {
44 return sqlStatementCompilerEngine.compile(cacheKey, useCache);
45 }
46 }