-
Notifications
You must be signed in to change notification settings - Fork 1.9k
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
1 parent
060d203
commit fd49f30
Showing
11 changed files
with
224 additions
and
32 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
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
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
119 changes: 119 additions & 0 deletions
119
...ector-mysql-cdc/src/main/java/org/apache/flink/cdc/connectors/mysql/schema/Selectors.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 +1,119 @@ | ||
| /* | ||
| * 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.flink.cdc.connectors.mysql.schema; | ||
|
|
||
| import org.apache.flink.cdc.common.utils.Predicates; | ||
|
|
||
| import io.debezium.relational.TableId; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.Iterator; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.function.Predicate; | ||
|
|
||
| /** Selectors for filtering tables. */ | ||
| public class Selectors { | ||
|
|
||
| private List<Selector> selectors; | ||
|
|
||
| private Selectors() {} | ||
|
|
||
| /** | ||
| * A {@link Selector} that determines whether a table identified by a given {@link TableId} is | ||
| * to be included. | ||
| */ | ||
| private static class Selector { | ||
| private final Predicate<String> namespacePred; | ||
| private final Predicate<String> tableNamePred; | ||
|
|
||
| public Selector(String namespace, String schemaName, String tableName) { | ||
| this.namespacePred = | ||
| namespace == null ? (namespacePred) -> false : Predicates.includes(namespace); | ||
| this.tableNamePred = | ||
| tableName == null ? (tableNamePred) -> false : Predicates.includes(tableName); | ||
| } | ||
|
|
||
| public boolean isMatch(TableId tableId) { | ||
|
|
||
| String namespace = tableId.catalog(); | ||
|
|
||
| if (namespace == null || namespace.isEmpty()) { | ||
| return tableNamePred.test(tableId.table()); | ||
| } | ||
| return namespacePred.test(tableId.catalog()) && tableNamePred.test(tableId.table()); | ||
| } | ||
| } | ||
|
|
||
| /** Match the {@link TableId} against the {@link Selector}s. * */ | ||
| public boolean isMatch(TableId tableId) { | ||
| for (Selector selector : selectors) { | ||
| if (selector.isMatch(tableId)) { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| /** Builder for {@link Selectors}. */ | ||
| public static class SelectorsBuilder { | ||
|
|
||
| private List<Selector> selectors; | ||
|
|
||
| /** | ||
| * Current {@link TableId} used in mysql cdc connector will map database name to catalog. | ||
| * | ||
| * @param tableInclusions | ||
| * @return | ||
| */ | ||
| public SelectorsBuilder includeTables(String tableInclusions) { | ||
|
|
||
| if (tableInclusions == null || tableInclusions.isEmpty()) { | ||
| throw new IllegalArgumentException( | ||
| "Invalid table inclusion pattern cannot be null or empty"); | ||
| } | ||
|
|
||
| List<Selector> selectors = new ArrayList<>(); | ||
| Set<String> tableSplitSet = | ||
| Predicates.setOf( | ||
| tableInclusions, Predicates.RegExSplitterByComma::split, (str) -> str); | ||
| for (String tableSplit : tableSplitSet) { | ||
| List<String> tableIdList = | ||
| Predicates.listOf( | ||
| tableSplit, Predicates.RegExSplitterByDot::split, (str) -> str); | ||
| Iterator<String> iterator = tableIdList.iterator(); | ||
| if (tableIdList.size() == 1) { | ||
| selectors.add(new Selector(null, null, iterator.next())); | ||
| } else if (tableIdList.size() == 2) { | ||
| selectors.add(new Selector(iterator.next(), null, iterator.next())); | ||
| } else { | ||
| throw new IllegalArgumentException( | ||
| "Invalid table inclusion pattern: " + tableInclusions); | ||
| } | ||
| } | ||
| this.selectors = selectors; | ||
| return this; | ||
| } | ||
|
|
||
| public Selectors build() { | ||
| Selectors selectors = new Selectors(); | ||
| selectors.selectors = this.selectors; | ||
| return selectors; | ||
| } | ||
| } | ||
| } |
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
Oops, something went wrong.