From 99877eddcc0ce8ee9fb6f2560658d8d7c81da4e8 Mon Sep 17 00:00:00 2001
From: alex <reizero@live.com>
Date: Mon, 30 Sep 2024 22:55:02 +0800
Subject: [PATCH] =?UTF-8?q?feat=EF=BC=9A1.7=20=E9=87=8D=E6=9E=84=20service?=
 =?UTF-8?q?=20query=20=E7=9A=84=E7=BB=84=E7=BB=87=E6=A8=A1=E5=BC=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 build.gradle                                  | 27 +++++-----
 .../gaea/app/controller/DomainApplication.kt  |  5 +-
 .../gaea/app/controller/RecordApplication.kt  |  3 +-
 .../gaea/app/controller/query/IQueryApp.kt    | 10 ++--
 .../gaea/app/controller/query/QueryApp.kt     |  3 +-
 .../java/com/synebula/gaea/jpa/JpaQuery.kt    | 49 ++++++++++++-------
 .../synebula/gaea/jpa/JpaRepositoryFactory.kt | 17 +++++++
 .../method/resolver/PageMethodResolver.kt     |  2 +-
 .../mongodb/autoconfig/MongoDbContextProxy.kt |  2 +-
 .../db/{context => }/MongodbContext.kt        |  2 +-
 .../mongodb/db/{query => }/MongodbQuery.kt    | 25 +++++-----
 .../mongodb/db/query/MongodbQueryFactory.kt   | 23 ---------
 src/gaea.spring/build.gradle                  |  9 ----
 .../com/synebula/gaea/db/query/IQuery.kt      | 19 +++----
 .../synebula/gaea/db/query/IQueryFactory.kt   | 17 -------
 .../kotlin/com/synebula/gaea/db/query/Page.kt |  8 +--
 .../synebula/gaea/domain/service/Service.kt   |  3 +-
 17 files changed, 108 insertions(+), 116 deletions(-)
 create mode 100644 src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/JpaRepositoryFactory.kt
 rename src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/{context => }/MongodbContext.kt (97%)
 rename src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/{query => }/MongodbQuery.kt (75%)
 delete mode 100644 src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/query/MongodbQueryFactory.kt
 delete mode 100644 src/gaea/src/main/kotlin/com/synebula/gaea/db/query/IQueryFactory.kt

diff --git a/build.gradle b/build.gradle
index 15bd269..17c840b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,7 +22,7 @@ buildscript {
 
 subprojects {
     group 'com.synebula'
-    version '1.6.0'
+    version '1.7.0'
 
     buildscript {
         repositories {
@@ -66,16 +66,21 @@ subprojects {
     }
 
     publishing {
-//    repositories {
-//        maven {
-//            allowInsecureProtocol = true
-//            url = "$nexus_url"
-//            credentials {
-//                username = "$nexus_usr"
-//                password = "$nexus_pwd"
-//            }
-//        }
-//    }
+        repositories {
+            maven {
+                name = "Gitea"
+                url = uri("https://git.synebula.com/api/packages/alex/maven")
+
+                credentials(HttpHeaderCredentials) {
+                    name = "Authorization"
+                    value = "token 1b9a13c1c75832c2f82beba8c8db340364eff7b1"
+                }
+
+                authentication {
+                    header(HttpHeaderAuthentication)
+                }
+            }
+        }
 
         publications {
             mavenJava(MavenPublication) {
diff --git a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/DomainApplication.kt b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/DomainApplication.kt
index cfe50fe..42b9c73 100644
--- a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/DomainApplication.kt
+++ b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/DomainApplication.kt
@@ -20,8 +20,9 @@ import org.springframework.beans.factory.annotation.Autowired
 open class DomainApplication<TCommand : ICommand, TView, ID>(
     override var name: String,
     override var service: IService<ID>,
-    override var query: IQuery<TView, ID>,
-    override var logger: ILogger,
+    override var query: IQuery,
+    override var clazz: Class<TView>,
+    override var logger: ILogger
 ) : ICommandApp<TCommand, ID>, IQueryApp<TView, ID> {
 
     @Autowired
diff --git a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/RecordApplication.kt b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/RecordApplication.kt
index 2d5de7a..1ba178b 100644
--- a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/RecordApplication.kt
+++ b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/RecordApplication.kt
@@ -20,7 +20,8 @@ import org.springframework.beans.factory.annotation.Autowired
 open class RecordApplication<TRoot : IAggregateRoot<ID>, ID>(
     override var name: String,
     override var service: IService<TRoot, ID>,
-    override var query: IQuery<TRoot, ID>,
+    override var query: IQuery,
+    override var clazz: Class<TRoot>,
     override var logger: ILogger,
 ) : ISimpleCommandApp<TRoot, ID>, IQueryApp<TRoot, ID> {
 
diff --git a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/query/IQueryApp.kt b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/query/IQueryApp.kt
index d625cda..dbb58ef 100644
--- a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/query/IQueryApp.kt
+++ b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/query/IQueryApp.kt
@@ -13,12 +13,14 @@ interface IQueryApp<TView, ID> : IApplication {
     /**
      * 查询服务
      */
-    var query: IQuery<TView, ID>
+    var query: IQuery
+
+    var clazz: Class<TView>
 
     @Method("获取数据")
     @GetMapping("/{id:.+}")
     fun get(@PathVariable id: ID): HttpMessage {
-        val data = this.query.get(id)
+        val data = this.query.get(id, clazz)
         val msg = this.httpMessageFactory.create()
         msg.data = data
         return msg
@@ -27,7 +29,7 @@ interface IQueryApp<TView, ID> : IApplication {
     @Method("获取列表数据")
     @GetMapping
     fun list(@RequestParam params: LinkedHashMap<String, String>): HttpMessage {
-        val data = this.query.list(params)
+        val data = this.query.list(params, clazz)
         return this.httpMessageFactory.create(data)
     }
 
@@ -39,7 +41,7 @@ interface IQueryApp<TView, ID> : IApplication {
         @RequestParam parameters: LinkedHashMap<String, String>
     ): HttpMessage {
         val params = Params(page, size, parameters)
-        val data = this.query.paging(params)
+        val data = this.query.paging(params, clazz)
         return this.httpMessageFactory.create(data)
     }
 }
\ No newline at end of file
diff --git a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/query/QueryApp.kt b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/query/QueryApp.kt
index 9e6ad7a..e0a01f5 100644
--- a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/query/QueryApp.kt
+++ b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/controller/query/QueryApp.kt
@@ -14,7 +14,8 @@ import org.springframework.beans.factory.annotation.Autowired
  */
 open class QueryApp<TView, ID>(
     override var name: String,
-    override var query: IQuery<TView, ID>,
+    override var query: IQuery,
+    override var clazz: Class<TView>,
     override var logger: ILogger,
 ) : IQueryApp<TView, ID> {
 
diff --git a/src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/JpaQuery.kt b/src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/JpaQuery.kt
index 42944ae..06be9f3 100644
--- a/src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/JpaQuery.kt
+++ b/src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/JpaQuery.kt
@@ -3,18 +3,20 @@ package com.synebula.gaea.jpa
 import com.synebula.gaea.db.query.IQuery
 import com.synebula.gaea.db.query.Page
 import com.synebula.gaea.db.query.Params
+import com.synebula.gaea.jpa.proxy.method.resolver.PageMethodResolver
 import jakarta.persistence.EntityManager
+import org.springframework.data.domain.Pageable
+import org.springframework.data.jpa.domain.Specification
 import org.springframework.data.jpa.repository.support.SimpleJpaRepository
 
-class JpaQuery<TView, ID>(override var clazz: Class<TView>, entityManager: EntityManager) : IQuery<TView, ID> {
-    protected var repo: SimpleJpaRepository<TView, ID>
+@Suppress("UNCHECKED_CAST")
+class JpaQuery(protected var entityManager: EntityManager) : IQuery {
+    protected var repos = mutableMapOf<Class<*>, SimpleJpaRepository<*, *>>()
 
-    init {
-        repo = SimpleJpaRepository<TView, ID>(clazz, entityManager)
-    }
 
-    override operator fun get(id: ID): TView? {
-        val view = this.repo.findById(id!!)
+    override operator fun <TView, ID> get(id: ID, clazz: Class<TView>): TView? {
+        val repo = this.getJpaRepository(clazz)
+        val view = repo.findById(id!!)
         return if (view.isPresent) view.get() else null
     }
 
@@ -25,9 +27,10 @@ class JpaQuery<TView, ID>(override var clazz: Class<TView>, entityManager: Entit
      * @param params 查询条件。
      * @return 视图列表
      */
-    override fun list(params: Map<String, String>?): List<TView> {
-        // method proxy in JpaRepositoryProxy [SimpleJpaRepository]
-        return emptyList()
+    override fun <TView> list(params: Map<String, String>?, clazz: Class<TView>): List<TView> {
+        val repo = this.getJpaRepository(clazz)
+        val spec = params?.toSpecification(clazz) as Specification<TView>
+        return repo.findAll(spec)
     }
 
     /**
@@ -36,9 +39,10 @@ class JpaQuery<TView, ID>(override var clazz: Class<TView>, entityManager: Entit
      * @param params 查询条件。
      * @return 数量
      */
-    override fun count(params: Map<String, String>?): Int {
-        // method proxy in JpaRepositoryProxy [SimpleJpaRepository]
-        return -1
+    override fun <TView> count(params: Map<String, String>?, clazz: Class<TView>): Long {
+        val repo = this.getJpaRepository(clazz)
+        val spec = params?.toSpecification(clazz) as Specification<TView>
+        return repo.count(spec)
     }
 
     /**
@@ -47,9 +51,11 @@ class JpaQuery<TView, ID>(override var clazz: Class<TView>, entityManager: Entit
      * @param params 分页条件
      * @return 分页数据
      */
-    override fun paging(params: Params): Page<TView> {
-        // method proxy in JpaRepositoryProxy [SimpleJpaRepository]
-        return Page()
+    override fun <TView> paging(params: Params, clazz: Class<TView>): Page<TView> {
+        val repo = this.getJpaRepository(clazz)
+        val p = PageMethodResolver("findAll", clazz).mappingArguments(arrayOf(params))
+        val page = repo.findAll(p[0] as Specification<TView>, p[1] as Pageable)
+        return Page(page.number + 1, page.size, page.totalElements, page.content)
     }
 
     /**
@@ -59,9 +65,18 @@ class JpaQuery<TView, ID>(override var clazz: Class<TView>, entityManager: Entit
      *
      * @return 视图列表
      */
-    override fun range(field: String, params: List<Any>): List<TView> {
+    override fun <TView> range(field: String, params: List<Any>, clazz: Class<TView>): List<TView> {
         // method proxy in JpaRepositoryProxy [SimpleJpaRepository]
         return emptyList()
     }
 
+    private fun <TView> getJpaRepository(clazz: Class<TView>): SimpleJpaRepository<TView, in Any> {
+        if (this.repos.isNotEmpty() && this.repos.containsKey(clazz)) {
+            return this.repos[clazz] as SimpleJpaRepository<TView, Any>
+        } else {
+            val r = SimpleJpaRepository<TView, Any>(clazz, entityManager)
+            this.repos[clazz] = r
+            return r
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/JpaRepositoryFactory.kt b/src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/JpaRepositoryFactory.kt
new file mode 100644
index 0000000..2a880f3
--- /dev/null
+++ b/src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/JpaRepositoryFactory.kt
@@ -0,0 +1,17 @@
+package com.synebula.gaea.jpa
+
+import com.synebula.gaea.domain.model.IAggregateRoot
+import com.synebula.gaea.domain.repository.IRepository
+import com.synebula.gaea.domain.repository.IRepositoryFactory
+import jakarta.persistence.EntityManager
+
+class JpaRepositoryFactory(private var entityManager: EntityManager) : IRepositoryFactory {
+    override fun createRawRepository(clazz: Class<*>): IRepository<*, *> {
+        val constructor = JpaRepository::class.java.getConstructor(Class::class.java, EntityManager::class.java)
+        return constructor.newInstance(clazz, this.entityManager)
+    }
+
+    override fun <T : IAggregateRoot<I>, I> createRepository(clazz: Class<T>): IRepository<T, I> {
+        return JpaRepository(clazz, this.entityManager)
+    }
+}
\ No newline at end of file
diff --git a/src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/proxy/method/resolver/PageMethodResolver.kt b/src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/proxy/method/resolver/PageMethodResolver.kt
index 36c68d3..100acf3 100644
--- a/src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/proxy/method/resolver/PageMethodResolver.kt
+++ b/src/gaea.jpa/src/main/java/com/synebula/gaea/jpa/proxy/method/resolver/PageMethodResolver.kt
@@ -51,6 +51,6 @@ class PageMethodResolver(targetMethodName: String, clazz: Class<*>) : AbstractMe
         val page = result as Page<*>
 
         // Page 页面从0开始 [com.synebula.gaea.query.Page as QueryPage]
-        return QueryPage(page.number + 1, page.size, page.totalElements.toInt(), page.content)
+        return QueryPage(page.number + 1, page.size, page.totalElements, page.content)
     }
 }
\ No newline at end of file
diff --git a/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/autoconfig/MongoDbContextProxy.kt b/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/autoconfig/MongoDbContextProxy.kt
index b68b605..b87934c 100644
--- a/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/autoconfig/MongoDbContextProxy.kt
+++ b/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/autoconfig/MongoDbContextProxy.kt
@@ -2,7 +2,7 @@ package com.synebula.gaea.mongodb.autoconfig
 
 import com.synebula.gaea.db.context.IDbContext
 import com.synebula.gaea.domain.repository.IRepository
-import com.synebula.gaea.mongodb.db.query.MongodbQuery
+import com.synebula.gaea.mongodb.db.MongodbQuery
 import com.synebula.gaea.mongodb.repository.MongodbRepository
 import com.synebula.gaea.db.query.IQuery
 import com.synebula.gaea.reflect.getGenericInterface
diff --git a/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/context/MongodbContext.kt b/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/MongodbContext.kt
similarity index 97%
rename from src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/context/MongodbContext.kt
rename to src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/MongodbContext.kt
index 625e473..2513acd 100644
--- a/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/context/MongodbContext.kt
+++ b/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/MongodbContext.kt
@@ -1,4 +1,4 @@
-package com.synebula.gaea.mongodb.db.context
+package com.synebula.gaea.mongodb.db
 
 import com.synebula.gaea.db.IEntity
 import com.synebula.gaea.db.context.IDbContext
diff --git a/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/query/MongodbQuery.kt b/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/MongodbQuery.kt
similarity index 75%
rename from src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/query/MongodbQuery.kt
rename to src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/MongodbQuery.kt
index 8276ed7..ee7196f 100644
--- a/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/query/MongodbQuery.kt
+++ b/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/MongodbQuery.kt
@@ -1,4 +1,4 @@
-package com.synebula.gaea.mongodb.db.query
+package com.synebula.gaea.mongodb.db
 
 
 import com.synebula.gaea.ext.firstCharLowerCase
@@ -15,19 +15,22 @@ import org.springframework.data.mongodb.core.MongoTemplate
 import org.springframework.data.mongodb.core.query.Criteria
 import org.springframework.data.mongodb.core.query.Query
 
-open class MongodbQuery<TView, ID>(override var clazz: Class<TView>, var template: MongoTemplate) :
-    IQuery<TView, ID> {
+/**
+ * 实现IQuery的Mongodb查询类
+ * @param template MongodbRepo对象
+ */
+open class MongodbQuery(var template: MongoTemplate) : IQuery {
 
     /**
      * 使用View解析是collection时是否校验存在，默认不校验
      */
     var validViewCollection = false
 
-    override fun get(id: ID): TView? {
+    override fun <TView, ID> get(id: ID, clazz: Class<TView>): TView? {
         return this.template.findOne(whereId(id), clazz, this.collection(clazz))
     }
 
-    override fun list(params: Map<String, String>?): List<TView> {
+    override fun <TView> list(params: Map<String, String>?, clazz: Class<TView>): List<TView> {
         val fields = this.fields(clazz)
         val query = Query()
         query.where(params, clazz)
@@ -35,16 +38,16 @@ open class MongodbQuery<TView, ID>(override var clazz: Class<TView>, var templat
         return this.find(query, clazz)
     }
 
-    override fun count(params: Map<String, String>?): Int {
+    override fun <TView> count(params: Map<String, String>?, clazz: Class<TView>): Long {
         val query = Query()
-        return this.template.count(query.where(params, clazz), this.collection(clazz)).toInt()
+        return this.template.count(query.where(params, clazz), this.collection(clazz))
     }
 
-    override fun paging(params: Params): Page<TView> {
+    override fun <TView> paging(params: Params, clazz: Class<TView>): Page<TView> {
         val query = Query()
         val fields = this.fields(clazz)
         val result = Page<TView>(params.page, params.size)
-        result.total = this.count(params.parameters)
+        result.total = this.count(params.parameters, clazz)
         //如果总数和索引相同，说明该页没有数据，直接跳到上一页
         if (result.total == result.index) {
             params.page -= 1
@@ -58,11 +61,11 @@ open class MongodbQuery<TView, ID>(override var clazz: Class<TView>, var templat
         return result
     }
 
-    override fun range(field: String, params: List<Any>): List<TView> {
+    override fun <TView> range(field: String, params: List<Any>, clazz: Class<TView>): List<TView> {
         return this.find(Query.query(Criteria.where(field).`in`(params)), clazz)
     }
 
-    protected fun find(query: Query, clazz: Class<TView>): List<TView> {
+    protected fun <TView> find(query: Query, clazz: Class<TView>): List<TView> {
         return this.template.find(query, clazz, this.collection(clazz))
     }
 
diff --git a/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/query/MongodbQueryFactory.kt b/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/query/MongodbQueryFactory.kt
deleted file mode 100644
index 46bd394..0000000
--- a/src/gaea.mongodb/src/main/kotlin/com/synebula/gaea/mongodb/db/query/MongodbQueryFactory.kt
+++ /dev/null
@@ -1,23 +0,0 @@
-package com.synebula.gaea.mongodb.db.query
-
-import com.synebula.gaea.db.query.IQuery
-import com.synebula.gaea.db.query.IQueryFactory
-import org.springframework.data.mongodb.core.MongoTemplate
-
-class MongodbQueryFactory(var template: MongoTemplate) : IQueryFactory {
-
-    /**
-     * 创建IQuery接口类型
-     */
-    override fun createRawQuery(clazz: Class<*>): IQuery<*, *> {
-        val constructor = MongodbQuery::class.java.getConstructor(Class::class.java, MongoTemplate::class.java)
-        return constructor.newInstance(clazz, this.template)
-    }
-
-    /**
-     * 创建IQuery接口类型
-     */
-    override fun <T, I> createQuery(clazz: Class<T>): IQuery<T, I> {
-        return MongodbQuery(clazz, template)
-    }
-}
\ No newline at end of file
diff --git a/src/gaea.spring/build.gradle b/src/gaea.spring/build.gradle
index d283485..715d542 100644
--- a/src/gaea.spring/build.gradle
+++ b/src/gaea.spring/build.gradle
@@ -13,12 +13,3 @@ dependencies {
 
     api("org.springframework.boot:spring-boot-starter-aop:$spring_version")
 }
-
-publishing {
-    publications {
-        publish(MavenPublication) {
-            from components.java
-        }
-    }
-}
-
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/db/query/IQuery.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/db/query/IQuery.kt
index 5f62bbb..9e8293a 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/db/query/IQuery.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/db/query/IQuery.kt
@@ -5,27 +5,22 @@ package com.synebula.gaea.db.query
  *
  * @author alex
  */
-interface IQuery<TView, ID> {
-    /**
-     * 仓储的视图类
-     */
-    var clazz: Class<TView>
-
+interface IQuery {
     /**
      * 根据Key获取对象。
      *
      * @param id 对象Key。
      * @return 视图结果
      */
-    fun get(id: ID): TView?
+    fun <TView, ID> get(id: ID, clazz: Class<TView>): TView?
 
     /**
      * 根据实体类条件查询所有符合条件记录
-     *`
+     *
      * @param params 查询条件。
      * @return 视图列表
      */
-    fun list(params: Map<String, String>?): List<TView>
+    fun <TView> list(params: Map<String, String>?, clazz: Class<TView>): List<TView>
 
     /**
      * 根据条件查询符合条件记录的数量
@@ -33,7 +28,7 @@ interface IQuery<TView, ID> {
      * @param params 查询条件。
      * @return 数量
      */
-    fun count(params: Map<String, String>?): Int
+    fun <TView> count(params: Map<String, String>?, clazz: Class<TView>): Long
 
     /**
      * 根据实体类条件查询所有符合条件记录（分页查询）
@@ -41,7 +36,7 @@ interface IQuery<TView, ID> {
      * @param params 分页条件
      * @return 分页数据
      */
-    fun paging(params: Params): Page<TView>
+    fun <TView> paging(params: Params, clazz: Class<TView>): Page<TView>
 
     /**
      * 查询条件范围内数据。
@@ -50,5 +45,5 @@ interface IQuery<TView, ID> {
      *
      * @return 视图列表
      */
-    fun range(field: String, params: List<Any>): List<TView>
+    fun <TView> range(field: String, params: List<Any>, clazz: Class<TView>): List<TView>
 }
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/db/query/IQueryFactory.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/db/query/IQueryFactory.kt
deleted file mode 100644
index 2535316..0000000
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/db/query/IQueryFactory.kt
+++ /dev/null
@@ -1,17 +0,0 @@
-package com.synebula.gaea.db.query
-
-/**
- * Query 工厂接口。 定义了Query的创建方法。
- */
-interface IQueryFactory {
-
-    /**
-     * 创建原始类型的IQuery接口类型
-     */
-    fun createRawQuery(clazz: Class<*>): IQuery<*, *>
-
-    /**
-     * 创建指定类型的IQuery接口类型
-     */
-    fun <T, I> createQuery(clazz: Class<T>): IQuery<T, I>
-}
\ No newline at end of file
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/db/query/Page.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/db/query/Page.kt
index 5d3c039..5d65ee5 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/db/query/Page.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/db/query/Page.kt
@@ -13,13 +13,13 @@ data class Page<T>(var page: Int = 0, var size: Int = 0) {
     /**
      * 总数据量。
      */
-    var total: Int = 0
+    var total: Long = 0
 
     /**
      * 数据索引，从0开始。表示数据在总量的第几条。（index = (page - 1) * size ）
      */
-    val index: Int
-        get() = (page - 1) * size
+    val index: Long
+        get() = (page - 1) * size.toLong()
 
     /**
      * 结果数据。
@@ -36,7 +36,7 @@ data class Page<T>(var page: Int = 0, var size: Int = 0) {
      * @param data 结果数据。
      */
 
-    constructor(page: Int, size: Int, total: Int, data: List<T>) : this(page, size) {
+    constructor(page: Int, size: Int, total: Long, data: List<T>) : this(page, size) {
         this.page = page
         this.size = size
         this.total = total
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Service.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Service.kt
index bf8d2f0..07147e3 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Service.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Service.kt
@@ -24,9 +24,10 @@ open class Service<TRoot : IAggregateRoot<ID>, ID>(
     protected open var clazz: Class<TRoot>,
     protected open var repository: IRepository<TRoot, ID>,
     protected open var mapper: IObjectMapper,
-    protected open var bus: IBus<Any>? = null
 ) : IService<ID> {
 
+    protected open var bus: IBus<Any>? = null
+
     /**
      * 增加对象
      *