forked from apache/shardingsphere
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
4 changed files
with
92 additions
and
48 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
81 changes: 81 additions & 0 deletions
81
...rc/main/java/io/shardingsphere/core/metadata/table/executor/TableMetaDataInitializer.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| /* | ||
| * Copyright 2016-2018 shardingsphere.io. | ||
| * <p> | ||
| * 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. | ||
| * </p> | ||
| */ | ||
|
|
||
| package io.shardingsphere.core.metadata.table.executor; | ||
|
|
||
| import com.google.common.base.Optional; | ||
| import com.google.common.util.concurrent.ListeningExecutorService; | ||
| import io.shardingsphere.core.exception.ShardingException; | ||
| import io.shardingsphere.core.metadata.table.TableMetaData; | ||
| import io.shardingsphere.core.rule.ShardingRule; | ||
| import io.shardingsphere.core.rule.TableRule; | ||
|
|
||
| import java.sql.SQLException; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
|
|
||
| /** | ||
| * Table meta data initializer. | ||
| * | ||
| * @author zhangliang | ||
| */ | ||
| public final class TableMetaDataInitializer { | ||
|
|
||
| private final TableLoader tableLoader; | ||
|
|
||
| private final TableMetaDataLoader tableMetaDataLoader; | ||
|
|
||
| public TableMetaDataInitializer(final ListeningExecutorService executorService, final TableMetaDataExecutorAdapter executorAdapter) { | ||
| tableLoader = new TableLoader(executorAdapter); | ||
| tableMetaDataLoader = new TableMetaDataLoader(executorService, executorAdapter); | ||
| } | ||
|
|
||
| /** | ||
| * Load all table meta data. | ||
| * @param shardingRule sharding rule | ||
| * @return all table meta data | ||
| */ | ||
| public Map<String, TableMetaData> load(final ShardingRule shardingRule) { | ||
| Map<String, TableMetaData> result = new HashMap<>(); | ||
| try { | ||
| result.putAll(loadShardingTables(shardingRule)); | ||
| result.putAll(loadDefaultTables(shardingRule)); | ||
| } catch (final SQLException ex) { | ||
| throw new ShardingException(ex); | ||
| } | ||
| return result; | ||
| } | ||
|
|
||
| private Map<String, TableMetaData> loadShardingTables(final ShardingRule shardingRule) { | ||
| Map<String, TableMetaData> result = new HashMap<>(shardingRule.getTableRules().size(), 1); | ||
| for (TableRule each : shardingRule.getTableRules()) { | ||
| result.put(each.getLogicTable(), tableMetaDataLoader.loadTableMetaData(each.getLogicTable(), shardingRule)); | ||
| } | ||
| return result; | ||
| } | ||
|
|
||
| private Map<String, TableMetaData> loadDefaultTables(final ShardingRule shardingRule) throws SQLException { | ||
| Map<String, TableMetaData> result = new HashMap<>(shardingRule.getTableRules().size(), 1); | ||
| Optional<String> actualDefaultDataSourceName = shardingRule.findActualDefaultDataSourceName(); | ||
| if (actualDefaultDataSourceName.isPresent()) { | ||
| for (String each : tableLoader.getAllTableNames(actualDefaultDataSourceName.get())) { | ||
| result.put(each, tableMetaDataLoader.loadTableMetaData(each, shardingRule)); | ||
| } | ||
| } | ||
| return result; | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters