将用户数据加载、保存的错误分析和debug消息放在UserManager

src/main/java/cc/carm/plugin/ultradepository/data/UserData.java

@@ -3,7 +3,6 @@ package cc.carm.plugin.ultradepository.data;
 import cc.carm.plugin.ultradepository.Main;
 import cc.carm.plugin.ultradepository.configuration.depository.Depository;
 import cc.carm.plugin.ultradepository.configuration.depository.DepositoryItem;
-import cc.carm.plugin.ultradepository.storage.DataStorage;
 import cc.carm.plugin.ultradepository.util.DateIntUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -18,15 +17,13 @@ public class UserData {
 
 	public final UUID userUUID;
 
-	DataStorage storage;
 	Map<String, DepositoryData> depositories;
 
 	int date;
 
-	public UserData(UUID userUUID, DataStorage storage,
+	public UserData(UUID userUUID,
 					Map<String, DepositoryData> depositories, int date) {
 		this.userUUID = userUUID;
-		this.storage = storage;
 		this.depositories = depositories;
 		this.date = date;
 	}
@@ -145,11 +142,6 @@ public class UserData {
 				.forEach(DepositoryItemData::clearSold);
 	}
 
-
-	public void save() throws Exception {
-		this.storage.saveUserData(this);
-	}
-
 	public Map<String, Map<String, Map<String, Integer>>> serializeToMap() {
 		Map<String, Map<String, Map<String, Integer>>> values = new LinkedHashMap<>();
 

src/main/java/cc/carm/plugin/ultradepository/manager/UserManager.java

@@ -2,6 +2,7 @@ package cc.carm.plugin.ultradepository.manager;
 
 import cc.carm.plugin.ultradepository.Main;
 import cc.carm.plugin.ultradepository.data.UserData;
+import cc.carm.plugin.ultradepository.storage.DataStorage;
 import cc.carm.plugin.ultradepository.util.DateIntUtil;
 import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
@@ -29,11 +30,24 @@ public class UserManager {
 
 	public @NotNull UserData loadData(@NotNull UUID userUUID) {
 		try {
-			return Main.getStorage().loadData(userUUID);
+			long start = System.currentTimeMillis();
+			DataStorage storage = Main.getStorage();
+			Main.debug("正通过 " + storage.getClass().getSimpleName() + " 加载 " + userUUID + " 的用户数据...");
+			UserData data = Main.getStorage().loadData(userUUID);
+
+			if (data == null) {
+				Main.debug("当前还不存在玩家 " + userUUID + " 的数据，视作新档。");
+				return new UserData(userUUID, new HashMap<>(), DateIntUtil.getCurrentDate());
+			}
+
+			Main.debug("通过 " + storage.getClass().getSimpleName() + "加载 " + userUUID + " 的用户数据完成，"
+					+ "耗时 " + (System.currentTimeMillis() - start) + "ms。");
+
+			return data;
 		} catch (Exception e) {
 			Main.error("无法正常加载玩家数据，玩家操作将不会被保存，请检查数据配置！");
 			Main.error("Could not load user's data, please check the data configuration!");
-			return new UserData(userUUID, Main.getStorage(), new HashMap<>(), DateIntUtil.getCurrentDate());
+			return new UserData(userUUID, new HashMap<>(), DateIntUtil.getCurrentDate());
 		}
 	}
 
@@ -46,8 +60,15 @@ public class UserManager {
 
 	public void saveData(UserData data) {
 		try {
-			data.save();
+			long start = System.currentTimeMillis();
-			Main.debug(" 玩家 " + data.getUserUUID() + " 数据已保存。");
+			DataStorage storage = Main.getStorage();
+
+			Main.debug("正通过 " + storage.getClass().getSimpleName() + " 保存 " + data.getUserUUID() + " 的用户数据...");
+			storage.saveUserData(data);
+
+			Main.debug("通过 " + storage.getClass().getSimpleName() + " 保存 " + data.getUserUUID() + " 的用户数据完成，" +
+					"耗时 " + (System.currentTimeMillis() - start) + "ms。");
+
 		} catch (Exception e) {
 			Main.error("无法正常保存玩家数据，请检查数据配置！");
 			Main.error("Could not save user's data, please check the data configuration!");

src/main/java/cc/carm/plugin/ultradepository/storage/DataStorage.java

@@ -2,6 +2,7 @@ package cc.carm.plugin.ultradepository.storage;
 
 import cc.carm.plugin.ultradepository.data.UserData;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.UUID;
 
@@ -12,7 +13,7 @@ public interface DataStorage {
 
 	void shutdown();
 
-	@NotNull
+	@Nullable
 	UserData loadData(@NotNull UUID uuid) throws Exception;
 
 	void saveUserData(@NotNull UserData data) throws Exception;

src/main/java/cc/carm/plugin/ultradepository/storage/FileStorage.java

@@ -11,6 +11,7 @@ import cc.carm.plugin.ultradepository.util.DateIntUtil;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.io.File;
 import java.io.IOException;
@@ -45,18 +46,16 @@ public class FileStorage implements DataStorage {
 	}
 
 	@Override
-	public @NotNull UserData loadData(@NotNull UUID uuid) {
+	public @Nullable UserData loadData(@NotNull UUID uuid) {
-		long start = System.currentTimeMillis();
-		Main.debug("正通过 FileStorage 加载 " + uuid + " 的用户数据...");
 		File userDataFile = new File(getDataContainer(), uuid + ".yml");
 		if (!userDataFile.exists()) {
 			Main.debug("当前文件夾内不存在玩家 " + uuid + " 的数据，视作新档。");
-			return new UserData(uuid, this, new HashMap<>(), DateIntUtil.getCurrentDate());
+			return null;
 		}
 
 		YamlConfiguration userDataConfig = YamlConfiguration.loadConfiguration(userDataFile);
 		int dateInt = userDataConfig.getInt("date", DateIntUtil.getCurrentDate());
-		UserData userData = new UserData(uuid, this, new HashMap<>(), dateInt);
+		UserData userData = new UserData(uuid, new HashMap<>(), dateInt);
 
 		ConfigurationSection depositoriesSection = userDataConfig.getConfigurationSection("depositories");
 		if (depositoriesSection != null) {
@@ -88,33 +87,15 @@ public class FileStorage implements DataStorage {
 				if (!depositoryData.getContents().isEmpty()) userData.setDepository(depositoryData);
 			}
 		}
-		Main.debug("通过 FileStorage 加载 " + uuid + " 的用户数据完成，"
-				+ "耗时 " + (System.currentTimeMillis() - start) + "ms。");
-
 		return userData;
 	}
 
 	@Override
 	public void saveUserData(@NotNull UserData data) throws IOException {
-		long start = System.currentTimeMillis();
-		Main.debug("正通过 FileStorage 保存 " + data.getUserUUID() + " 的用户数据...");
-
 		YamlConfiguration userDataConfig = new YamlConfiguration();
 		userDataConfig.set("date", data.getDateInt());
-
-		try {
 		userDataConfig.createSection("depositories", data.serializeToMap());
 		userDataConfig.save(new File(getDataContainer(), data.getUserUUID() + ".yml"));
-		} catch (IOException ioException) {
-			Main.error("在保存玩家 #" + data.getUserUUID() + " 的数据时出现异常。");
-			Main.error("Error occurred when saving #" + data.getUserUUID() + " data.");
-			throw ioException;
-		}
-
-		Main.debug(
-				"通过 FileStorage 保存 " + data.getUserUUID() + " 的用户数据完成，" +
-						"耗时 " + (System.currentTimeMillis() - start) + "ms。"
-		);
 	}
 
 }

src/main/java/cc/carm/plugin/ultradepository/storage/MySQLStorage.java

@@ -18,6 +18,7 @@ import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.sql.Date;
 import java.sql.ResultSet;
@@ -117,15 +118,15 @@ public class MySQLStorage implements DataStorage {
 	}
 
 	@Override
-	public @NotNull UserData loadData(@NotNull UUID uuid) throws Exception {
+	public @Nullable UserData loadData(@NotNull UUID uuid) throws Exception {
-		long start = System.currentTimeMillis();
-		Main.debug("正通过 MySQLStorage 加载 " + uuid + " 的用户数据...");
 		try (SQLQuery query = createAction(uuid).execute()) {
 			ResultSet resultSet = query.getResultSet();
-			if (resultSet != null && resultSet.next()) {
+
+			if (resultSet == null || !resultSet.next()) return null;
+
 			String dataJSON = resultSet.getString("data");
 			Date date = resultSet.getDate("day");
-				UserData data = new UserData(uuid, this, new HashMap<>(), DateIntUtil.getDateInt(date));
+			UserData data = new UserData(uuid, new HashMap<>(), DateIntUtil.getDateInt(date));
 
 			JsonElement dataElement = PARSER.parse(dataJSON);
 			if (dataElement.isJsonObject()) {
@@ -138,14 +139,8 @@ public class MySQLStorage implements DataStorage {
 
 				}
 			}
-
-				Main.debug("通过 MySQLStorage 加载 " + uuid + " 的用户数据完成，"
-						+ "耗时 " + (System.currentTimeMillis() - start) + "ms。");
-
 			return data;
-			}
+
-			Main.debug("当前库内不存在玩家 " + uuid + " 的数据，视作新档。");
-			return new UserData(uuid, this, new HashMap<>(), DateIntUtil.getCurrentDate());
 		} catch (Exception exception) {
 			throw new Exception(exception);
 		}
@@ -153,25 +148,10 @@ public class MySQLStorage implements DataStorage {
 
 	@Override
 	public void saveUserData(@NotNull UserData data) throws Exception {
-		long start = System.currentTimeMillis();
-		Main.debug("正通过 MySQLStorage 保存 " + data.getUserUUID() + " 的用户数据...");
-
-		try {
-
 		getSQLManager().createReplace(SQLTables.USER_DATA.getName())
 				.setColumnNames("uuid", "data", "day")
 				.setParams(data.getUserUUID(), GSON.toJson(data.serializeToMap()), data.getDate())
 				.execute();
-
-		} catch (SQLException exception) {
-			Main.error("在保存玩家 #" + data.getUserUUID() + " 的数据时出现异常。");
-			Main.error("Error occurred when saving #" + data.getUserUUID() + " data.");
-			throw new Exception(exception);
-		}
-
-		Main.debug("通过 MySQLStorage 保存 " + data.getUserUUID() + " 的用户数据完成，" +
-				"耗时 " + (System.currentTimeMillis() - start) + "ms。");
-
 	}
 
 	private SQLManager getSQLManager() {

src/test/java/GsonMapTest.java

@@ -1,5 +1,4 @@
 import com.google.gson.Gson;
-import org.junit.Test;
 
 import java.util.*;
 
@@ -7,10 +6,17 @@ public class GsonMapTest {
 
 	private static final Gson GSON = new Gson();
 
-	@Test
+	@org.junit.Test
 	public void test() {
 		System.out.println(this.getClass().getSimpleName());
 
+
+		List<Test> tests = new ArrayList<>();
+		tests.add(new Test1());
+		tests.add(new Test2());
+
+		tests.stream().map(test -> test.getClass().getSimpleName()).forEach(System.out::println);
+		
 		Map<String, Map<String, Map<String, Integer>>> values = new LinkedHashMap<>();
 
 
@@ -38,5 +44,29 @@ public class GsonMapTest {
 		System.out.println(jsonValues);
 	}
 
+	public interface Test {
+
+		void load();
+
+	}
+
+	public static class Test1 implements Test {
+
+
+		@Override
+		public void load() {
+			System.out.println("test1");
+		}
+	}
+
+	public static class Test2 implements Test {
+
+
+		@Override
+		public void load() {
+			System.out.println("test2");
+		}
+	}
+
 
 }