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Add API methods for creating and deleting rules.
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19 changes: 19 additions & 0 deletions
19
gateway-ha/src/main/java/io/trino/gateway/ha/persistence/dao/RoutingRuleEngine.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
| package io.trino.gateway.ha.persistence.dao; | ||
|
|
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| public enum RoutingRuleEngine | ||
| { | ||
| MVEL | ||
| } |
97 changes: 97 additions & 0 deletions
97
gateway-ha/src/main/java/io/trino/gateway/ha/persistence/dao/RoutingRulesDao.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
| package io.trino.gateway.ha.persistence.dao; | ||
|
|
||
| import com.fasterxml.jackson.core.JsonProcessingException; | ||
| import com.fasterxml.jackson.core.type.TypeReference; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import org.jdbi.v3.core.mapper.RowMapper; | ||
| import org.jdbi.v3.core.statement.StatementContext; | ||
| import org.jdbi.v3.sqlobject.statement.SqlQuery; | ||
| import org.jdbi.v3.sqlobject.statement.SqlUpdate; | ||
| import org.jdbi.v3.sqlobject.statement.UseRowMapper; | ||
|
|
||
| import java.sql.ResultSet; | ||
| import java.sql.SQLException; | ||
| import java.util.List; | ||
| import java.util.Optional; | ||
|
|
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| public interface RoutingRulesDao | ||
| { | ||
| @SqlQuery("SELECT * FROM routing_rules") | ||
| List<RoutingRule> getAll(); | ||
|
|
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| // "conditionExpression" is used as a column name because "condition" is a reserved word in MySQL | ||
| @SqlUpdate(""" | ||
| INSERT INTO routing_rules (name, description, priority, conditionExpression, actions, routingRuleEngine) | ||
| VALUES (:name, :description, :priority, :condition, :actions, :routingRuleEngine) | ||
| """) | ||
| void create(String name, String description, Integer priority, String condition, List<String> actions, RoutingRuleEngine routingRuleEngine); | ||
|
|
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| @SqlUpdate(""" | ||
| UPDATE routing_rules | ||
| SET description = :description, priority = :priority, conditionExpression = :condition, actions = :actions, routingRuleEngine = :routingRuleEngine | ||
| WHERE name = :name | ||
| """) | ||
| void update(String name, String description, Integer priority, String condition, List<String> actions, RoutingRuleEngine routingRuleEngine); | ||
|
|
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| @SqlQuery("SELECT * FROM routing_rules") | ||
| @UseRowMapper(RoutingRulesStringToListMapper.class) | ||
| List<RoutingRule> getAllNoListSupport(); | ||
|
|
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| @SqlUpdate(""" | ||
| INSERT INTO routing_rules (name, description, priority, conditionExpression, actions, routingRuleEngine) | ||
| VALUES (:name, :description, :priority, :condition, :actions, :routingRuleEngine) | ||
| """) | ||
| void createNoListSupport(String name, String description, Integer priority, String condition, String actions, RoutingRuleEngine routingRuleEngine); | ||
|
|
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| @SqlUpdate(""" | ||
| UPDATE routing_rules | ||
| SET description = :description, priority = :priority, conditionExpression = :condition, actions = :actions, routingRuleEngine = :routingRuleEngine | ||
| WHERE name = :name | ||
| """) | ||
| void updateNoListSupport(String name, String description, Integer priority, String condition, String actions, RoutingRuleEngine routingRuleEngine); | ||
|
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| @SqlUpdate(""" | ||
| DELETE FROM routing_rules | ||
| WHERE name = :name | ||
| """ | ||
| ) | ||
| void delete(String name); | ||
|
|
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| class RoutingRulesStringToListMapper | ||
| implements RowMapper<RoutingRule> | ||
| { | ||
| ObjectMapper objectMapper = new ObjectMapper(); | ||
| TypeReference<List<String>> actionsTypeReference = new TypeReference<List<String>>() {}; | ||
|
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| @Override | ||
| public RoutingRule map(ResultSet rs, StatementContext ctx) | ||
| throws SQLException | ||
| { | ||
| try { | ||
| return new RoutingRule( | ||
| rs.getString("name"), | ||
| rs.getString("description"), | ||
| rs.getInt("priority"), | ||
| rs.getString("conditionExpression"), | ||
| objectMapper.readValue(rs.getString("actions"), actionsTypeReference), | ||
| RoutingRuleEngine.valueOf(Optional.ofNullable(rs.getString("routingRuleEngine")).orElse("MVEL"))); | ||
| } | ||
| catch (JsonProcessingException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
| } |
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