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feature: support redis lua for transaction storage & global lock (apa…
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152 changes: 152 additions & 0 deletions
152
server/src/main/java/io/seata/server/storage/redis/LuaParser.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| /* | ||
| * Copyright 1999-2019 Seata.io Group. | ||
| * | ||
| * 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.seata.server.storage.redis; | ||
|
|
||
| import java.io.BufferedReader; | ||
| import java.io.File; | ||
| import java.io.FileInputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStreamReader; | ||
| import java.io.Serializable; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
|
|
||
| import io.seata.common.exception.StoreException; | ||
| import io.seata.common.io.FileLoader; | ||
|
|
||
| import com.fasterxml.jackson.core.JsonProcessingException; | ||
| import com.fasterxml.jackson.core.type.TypeReference; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import redis.clients.jedis.Jedis; | ||
| import redis.clients.jedis.exceptions.JedisDataException; | ||
|
|
||
| /** | ||
| * lua related utils | ||
| * | ||
| * @author conghuhu | ||
| */ | ||
| public class LuaParser { | ||
|
|
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| private static final String WHITE_SPACE = " "; | ||
|
|
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| private static final String ANNOTATION_LUA = "--"; | ||
|
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| private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper(); | ||
|
|
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| public final static class LuaResult implements Serializable { | ||
| private static final long serialVersionUID = -4160065043902060730L; | ||
| private Boolean success; | ||
| private String status; | ||
| private String data; | ||
|
|
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| public Boolean getSuccess() { | ||
| return success; | ||
| } | ||
|
|
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| public void setSuccess(Boolean success) { | ||
| this.success = success; | ||
| } | ||
|
|
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| public String getStatus() { | ||
| return status; | ||
| } | ||
|
|
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| public void setStatus(String status) { | ||
| this.status = status; | ||
| } | ||
|
|
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| public String getData() { | ||
| return data; | ||
| } | ||
|
|
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| public void setData(String data) { | ||
| this.data = data; | ||
| } | ||
|
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| @Override public String toString() { | ||
| return "LuaResult{" + | ||
| "success=" + success + | ||
| ", type='" + status + '\'' + | ||
| ", data='" + data + '\'' + | ||
| '}'; | ||
| } | ||
| } | ||
|
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| public final static class LuaErrorStatus { | ||
|
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| public static final String ANOTHER_ROLLBACKING = "AnotherRollbackIng"; | ||
|
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| public static final String ANOTHER_HOLDING = "AnotherHoldIng"; | ||
|
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| public static final String XID_NOT_EXISTED = "NotExisted"; | ||
|
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| public static final String ILLEGAL_CHANGE_STATUS = "ChangeStatusFail"; | ||
| } | ||
|
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| /** | ||
| * get lua string from lua file. | ||
| * | ||
| * @param fileName | ||
| * @return | ||
| * @throws IOException | ||
| */ | ||
| public static Map<String, String> getEvalShaMapFromFile(String fileName) throws IOException { | ||
| File luaFile = FileLoader.load(fileName); | ||
| if (luaFile == null) { | ||
| throw new IOException("no lua file: " + fileName); | ||
| } | ||
| StringBuilder luaByFile = new StringBuilder(); | ||
| try (FileInputStream fis = new FileInputStream(luaFile)) { | ||
| BufferedReader br = new BufferedReader(new InputStreamReader(fis)); | ||
| String line; | ||
| while ((line = br.readLine()) != null) { | ||
| if (line.trim().startsWith(ANNOTATION_LUA)) { | ||
| continue; | ||
| } | ||
| luaByFile.append(line); | ||
| luaByFile.append(WHITE_SPACE); | ||
| } | ||
| } catch (IOException e) { | ||
| throw new IOException(e); | ||
| } | ||
| Map<String, String> resultMap = new ConcurrentHashMap<>(1); | ||
| try (Jedis jedis = JedisPooledFactory.getJedisInstance()) { | ||
| resultMap.put(fileName, jedis.scriptLoad(luaByFile.toString())); | ||
| return resultMap; | ||
| } catch (UnsupportedOperationException | JedisDataException e) { | ||
| throw new IOException(e); | ||
| } | ||
| } | ||
|
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| public static <T> T getObjectFromJson(String json, Class<T> classz) { | ||
| try { | ||
| return OBJECT_MAPPER.readValue(json, classz); | ||
| } catch (JsonProcessingException e) { | ||
| throw new StoreException(e.getMessage()); | ||
| } | ||
| } | ||
|
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| public static <T> List<T> getListFromJson(String json, Class<T> classz) { | ||
| ObjectMapper objectMapper = new ObjectMapper(); | ||
| try { | ||
| return objectMapper.readValue(json, new TypeReference<List<T>>() { | ||
| }); | ||
| } catch (JsonProcessingException e) { | ||
| throw new StoreException(e.getMessage()); | ||
| } | ||
| } | ||
| } |
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