feat(sql): 添加数据库存储支持

impl/sql/pom.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>easyconfiguration-parent</artifactId>
+        <groupId>cc.carm.lib</groupId>
+        <version>3.1.0</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <properties>
+        <maven.compiler.source>${java.version}</maven.compiler.source>
+        <maven.compiler.target>${java.version}</maven.compiler.target>
+    </properties>
+    <artifactId>easyconfiguration-sql</artifactId>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>easyconfiguration-core</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>compile</scope>
+        </dependency>
+
+    </dependencies>
+
+</project>

impl/sql/src/main/java/cc/carm/lib/configuration/sql/SQLConfigProvider.java

@@ -0,0 +1,55 @@
+package cc.carm.lib.configuration.sql;
+
+import cc.carm.lib.configuration.core.ConfigInitializer;
+import cc.carm.lib.configuration.core.source.ConfigurationProvider;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.Unmodifiable;
+
+import java.util.List;
+
+public class SQLConfigProvider extends ConfigurationProvider<SQLSectionWrapper> {
+
+
+    @Override
+    public @NotNull SQLSectionWrapper getConfiguration() {
+        return null;
+    }
+
+    @Override
+    public void save() throws Exception {
+
+    }
+
+    @Override
+    protected void onReload() throws Exception {
+
+    }
+
+    @Override
+    public void setHeaderComment(@Nullable String path, @Nullable List<String> comments) {
+
+    }
+
+    @Override
+    public void setInlineComment(@NotNull String path, @Nullable String comment) {
+
+    }
+
+    @Override
+    public @Nullable @Unmodifiable List<String> getHeaderComment(@Nullable String path) {
+        return null;
+    }
+
+    @Override
+    public @Nullable String getInlineComment(@NotNull String path) {
+        return null;
+    }
+
+    @Override
+    public @NotNull ConfigInitializer<? extends ConfigurationProvider<SQLSectionWrapper>> getInitializer() {
+        return null;
+    }
+
+
+}

impl/sql/src/main/java/cc/carm/lib/configuration/sql/SQLSectionWrapper.java

@@ -0,0 +1,58 @@
+package cc.carm.lib.configuration.sql;
+
+import cc.carm.lib.configuration.core.source.ConfigurationWrapper;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+public class SQLSectionWrapper implements ConfigurationWrapper {
+
+    @Override
+    public @NotNull Set<String> getKeys(boolean deep) {
+        return null;
+    }
+
+    @Override
+    public @NotNull Map<String, Object> getValues(boolean deep) {
+        return null;
+    }
+
+    @Override
+    public void set(@NotNull String path, @Nullable Object value) {
+
+    }
+
+    @Override
+    public boolean contains(@NotNull String path) {
+        return false;
+    }
+
+    @Override
+    public @Nullable Object get(@NotNull String path) {
+        return null;
+    }
+
+    @Override
+    public boolean isList(@NotNull String path) {
+        return false;
+    }
+
+    @Override
+    public @Nullable List<?> getList(@NotNull String path) {
+        return null;
+    }
+
+    @Override
+    public boolean isConfigurationSection(@NotNull String path) {
+        return false;
+    }
+
+    @Override
+    public @Nullable ConfigurationWrapper getConfigurationSection(@NotNull String path) {
+        return null;
+    }
+
+}

impl/sql/table_schem.sql

@@ -0,0 +1,13 @@
+CREATE TABLE IF NOT EXISTS conf
+(
+    `namespace`       VARCHAR(255) NOT NULL, # 记录配置文件的命名空间
+    `section`         VARCHAR(255) NOT NULL, # 记录配置文件数值的指定路径
+    `type`            VARCHAR(255) NOT NULL,
+    `value`           LONGTEXT,              # 记录该配置项的值 (可能为JSON格式)
+    `inline_comments` TEXT,                  # 记录配置文件的行内注释
+    `header_comments` MEDIUMTEXT,            # 记录配置文件的顶部注释
+    `created_at`      DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `updated_at`      DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    PRIMARY KEY (`namespace`, `section`)
+) ENGINE = InnoDB
+  DEFAULT CHARSET = utf8mb4;

pom.xml

@@ -20,6 +20,7 @@
         <module>core</module>
         <module>impl/yaml</module>
         <module>impl/json</module>
+        <module>impl/sql</module>
     </modules>
 
     <name>EasyConfiguration</name>