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修改mongo query获取字段范围值类型
This commit is contained in:
alex
2020-11-02 23:50:40 +08:00
parent 227035fa78
commit 8f2f5fcb6d
7 changed files with 4 additions and 438 deletions
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70
src/gaea.app/src/main/kotlin/com/synebula/gaea/app/query/ISpecificQueryApp.kt
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@@ -1,70 +0,0 @@
package com.synebula.gaea.app.query
import com.synebula.gaea.app.IApplication
import com.synebula.gaea.app.component.HttpMessage
import com.synebula.gaea.data.message.Status
import com.synebula.gaea.query.ISpecificQuery
import com.synebula.gaea.query.Params
import org.springframework.web.bind.annotation.GetMapping
import org.springframework.web.bind.annotation.PathVariable
import org.springframework.web.bind.annotation.RequestParam
/**
* 应用类接口，提供实现Query服务的接口
* 依赖查询接口 @see IQuery
*
* @author alex
* @version 0.1
* @since 2020-05-15
*/
interface ISpecificQueryApp<TView, TKey> : IApplication {
/**
* 查询服务
*/
var query: ISpecificQuery<TView, TKey>?
@GetMapping("/{id:.+}")
fun get(@PathVariable id: TKey): HttpMessage {
return this.doQuery("获取${this.name}数据失败") {
this.query!!.get(id)
}
}
@GetMapping
fun list(@RequestParam params: MutableMap<String, Any>): HttpMessage {
return this.doQuery("获取${this.name}列表数据失败") {
this.query!!.list(params)
}
}
@GetMapping("/segments/{size}/pages/{page}")
fun paging(
@PathVariable size: Int,
@PathVariable page: Int,
@RequestParam parameters: MutableMap<String, Any>
): HttpMessage {
return this.doQuery("获取${this.name}分页数据[条数:$size,页码:$page]失败") {
val data = Params(page, size)
data.parameters = parameters
this.query!!.paging(data)
}
}
/**
* 抽取查询业务判断功能
*
* @param error 错误消息
* @param biz 业务执行逻辑
*/
fun doQuery(error: String, biz: (() -> Any?)): HttpMessage {
return this.safeExecute(error) {
if (this.query != null) {
it.data = biz()
} else {
it.status = Status.Error
it.message = "没有对应服务，无法执行该操作"
}
}
}
}

17
src/gaea.app/src/main/kotlin/com/synebula/gaea/app/query/SpecificQueryApp.kt
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@@ -1,17 +0,0 @@
package com.synebula.gaea.app.query
import com.synebula.gaea.log.ILogger
import com.synebula.gaea.query.ISpecificQuery
/**
* 联合服务，同时实现了ICommandApp和IQueryApp接口
*
* @param name 业务名称
* @param query 业务查询服务
* @param logger 日志组件
*/
open class SpecificQueryApp<TView, TKey>(
override var name: String,
override var query: ISpecificQuery<TView, TKey>?,
override var logger: ILogger?
) : ISpecificQueryApp<TView, TKey>

8
src/gaea.mongo/src/main/kotlin/com/synebula/gaea/mongo/query/MongoQuery.kt
View File

@@ -30,7 +30,7 @@ open class MongoQuery(var template: MongoTemplate, var logger: ILogger? = null)
val fields = this.fields(clazz)
val query = Query()
query.where(params, clazz)
query.select(fields.toTypedArray())
query.select(fields)
return this.template.find(query, clazz, this.collection(clazz))
}
@@ -49,7 +49,7 @@ open class MongoQuery(var template: MongoTemplate, var logger: ILogger? = null)
params.page -= 1
result.page -= 1
}
query.select(fields.toTypedArray())
query.select(fields)
query.where(params.parameters, clazz)
query.with(order(params.orders))
query.skip(params.index).limit(params.size)
@@ -61,7 +61,7 @@ open class MongoQuery(var template: MongoTemplate, var logger: ILogger? = null)
return this.template.findOne(whereId(id), clazz, this.collection(clazz))
}
fun <TView> fields(clazz: Class<TView>): List<String> {
fun <TView> fields(clazz: Class<TView>): Array<String> {
val fields = mutableListOf<String>()
fields.addAll(clazz.fieldNames())
var parent = clazz.superclass
@@ -69,7 +69,7 @@ open class MongoQuery(var template: MongoTemplate, var logger: ILogger? = null)
fields.addAll(clazz.superclass.fieldNames())
parent = parent.superclass
}
return fields
return fields.toTypedArray()
}
/**

146
src/gaea.mongo/src/main/kotlin/com/synebula/gaea/mongo/query/MongoSpecificQuery.kt
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@@ -1,146 +0,0 @@
package com.synebula.gaea.mongo.query
import com.synebula.gaea.ext.fieldNames
import com.synebula.gaea.ext.firstCharLowerCase
import com.synebula.gaea.log.ILogger
import com.synebula.gaea.mongo.order
import com.synebula.gaea.mongo.select
import com.synebula.gaea.mongo.where
import com.synebula.gaea.mongo.whereId
import com.synebula.gaea.query.ISpecificQuery
import com.synebula.gaea.query.Page
import com.synebula.gaea.query.Params
import com.synebula.gaea.query.annotation.Table
import org.springframework.data.mongodb.core.MongoTemplate
import org.springframework.data.mongodb.core.query.Query
/**
* 实现IQuery的Mongo查询类
* @param clazz 查询的对象类
* @param template MongoRepo对象
* @param logger 日志组件
*/
open class MongoSpecificQuery<TView>(
var template: MongoTemplate,
var clazz: Class<TView>? = null,
var logger: ILogger? = null
) : ISpecificQuery<TView, String> {
/**
* 使用View解析是collection时是否校验存在，默认不校验
*/
var validViewCollection = false
private var _collection = ""
/**
* 查询的集合名称
*/
var collection: String
set(value) {
this._collection = value
}
get() = if (this._collection.isNotEmpty())
this._collection
else {
this.collection(this.clazz)
}
/**
* 构造方法
*
* @param collection 查询的集合名称
* @param query MongoRepo对象
*/
constructor(collection: String, query: MongoTemplate)
: this(query) {
this.collection = collection
}
/**
* 构造方法
*
* @param collection 查询的集合名称
* @param clazz 视图对象类型
* @param query MongoRepo对象
*/
constructor(collection: String, clazz: Class<TView>, query: MongoTemplate)
: this(query, clazz) {
this.collection = collection
}
override fun list(params: Map<String, Any>?): List<TView> {
this.check()
return if (this.clazz != null) {
val fields = this.clazz!!.fieldNames()
val query = Query()
query.select(fields.toTypedArray())
query.where(params, this.clazz!!)
this.template.find(query, this.clazz!!, this.collection)
} else listOf()
}
override fun count(params: Map<String, Any>?): Int {
this.check()
return if (this.clazz != null) {
val query = Query()
this.template.count(query.where(params, this.clazz!!), this.collection).toInt()
} else 0
}
override fun paging(param: Params): Page<TView> {
this.check()
return if (this.clazz != null) {
val query = Query()
val fields = this.clazz!!.fieldNames()
val result = Page<TView>(param.page, param.size)
result.total = this.count(param.parameters)
//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) {
param.page -= 1
result.page -= 1
}
query.select(fields.toTypedArray())
query.where(param.parameters, this.clazz!!)
query.with(order(param.orders))
query.skip(param.index).limit(param.size)
result.data = this.template.find(query, this.clazz!!, this.collection)
result
} else Page(1, 10)
}
override fun get(id: String): TView? {
this.check()
return if (this.clazz != null) {
val view = this.template.findOne(whereId(id), this.clazz!!, this.collection)
view
} else null
}
protected fun check() {
if (this.clazz == null)
throw RuntimeException("[${this.javaClass.name}] 没有声明查询View的类型")
if (this._collection.isEmpty())
this.logger?.warn(this, "查询集合参数[collection]值为空, 尝试使用View<${this.clazz?.name}>名称解析集合")
}
/**
* 获取collection
*/
protected fun <TView> collection(clazz: Class<TView>?): String {
if (clazz == null) throw java.lang.RuntimeException("[${this.javaClass}]没有指定查询实体类型[clazz]")
val collection = clazz.getDeclaredAnnotation(Table::class.java)
return if (collection != null)
return collection.name
else {
this.logger?.info(this, "视图类没有标记[Collection]注解，无法获取Collection名称。尝试使用View<${clazz.name}>名称解析集合")
val name = clazz.simpleName.removeSuffix("View").firstCharLowerCase()
if (!validViewCollection || this.template.collectionExists(name))
name
else {
throw RuntimeException("找不到名为[$collection]的集合")
}
}
}
}

59
src/gaea.mongo/src/main/kotlin/com/synebula/gaea/mongo/repository/MongoSpecificRepository.kt
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@@ -1,59 +0,0 @@
package com.synebula.gaea.mongo.repository
import com.synebula.gaea.domain.model.IAggregateRoot
import com.synebula.gaea.domain.repository.ISpecificRepository
import com.synebula.gaea.mongo.where
import com.synebula.gaea.mongo.whereId
import org.springframework.data.mongodb.core.MongoTemplate
import org.springframework.data.mongodb.core.query.Query
/**
* 实现IAggregateRoot的mongo仓储类
* @param repo MongoRepo对象
*/
class MongoSpecificRepository<TAggregateRoot : IAggregateRoot<String>>(private var repo: MongoTemplate) :
ISpecificRepository<TAggregateRoot, String> {
/**
* 仓储的对象类
*/
override var clazz: Class<TAggregateRoot>? = null
/**
* 构造
* @param clazz 仓储Domain对象
* @param repo MongoRepo对象
*/
constructor(clazz: Class<TAggregateRoot>, repo: MongoTemplate) : this(repo) {
this.clazz = clazz
}
override fun add(obj: TAggregateRoot) {
this.repo.save(obj)
}
override fun update(obj: TAggregateRoot) {
this.repo.save(obj)
}
override fun remove(id: String) {
this.repo.remove(whereId(id), this.clazz!!)
}
override fun get(id: String): TAggregateRoot {
return this.repo.findOne(whereId(id), clazz!!) as TAggregateRoot
}
override fun <TAggregateRoot : IAggregateRoot<TKey>, TKey> get(
id: TKey,
clazz: Class<TAggregateRoot>
): TAggregateRoot {
return this.repo.findOne(whereId(id.toString()), clazz) as TAggregateRoot
}
override fun <TAggregateRoot> count(params: Map<String, Any>?): Int {
val query = Query()
return this.repo.count(query.where(params, this.clazz!!), this.clazz!!).toInt()
}
}

100
src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/SpecificService.kt
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@@ -1,100 +0,0 @@
package com.synebula.gaea.domain.service
import com.synebula.gaea.data.IObjectConverter
import com.synebula.gaea.data.message.DataMessage
import com.synebula.gaea.data.message.Message
import com.synebula.gaea.domain.model.IAggregateRoot
import com.synebula.gaea.domain.repository.ISpecificRepository
import com.synebula.gaea.log.ILogger
/**
* 依赖了ISpecificRepository仓储借口的服务实现类 Service
* 该类依赖仓储接口 @see ISpecificRepository, 泛型类上指定了仓储实例的类型
*
* @param repository 仓储对象
* @param clazz 聚合根类对象
* @param converter 对象转换组件
* @param logger 日志组件
* @author alex
* @version 0.1
* @since 2020-05-15
*/
open class SpecificService<TAggregateRoot : IAggregateRoot<TKey>, TKey>(
protected var clazz: Class<TAggregateRoot>,
protected var repository: ISpecificRepository<TAggregateRoot, TKey>,
protected var converter: IObjectConverter,
override var logger: ILogger
) : IService<TKey> {
init {
this.repository.clazz = clazz
}
/**
* 删除对象前执行监听器。
*/
protected val beforeRemoveListeners = mutableMapOf<String, (id: TKey) -> Message>()
/**
* 添加一个删除对象前执行监听器。
* @param key 监听器标志。
* @param func 监听方法。
*/
override fun addBeforeRemoveListener(key: String, func: (id: TKey) -> Message) {
this.beforeRemoveListeners[key] = func
}
/**
* 移除一个删除对象前执行监听器。
* @param key 监听器标志。
*/
override fun removeBeforeRemoveListener(key: String) {
this.beforeRemoveListeners.remove(key)
}
override fun add(command: ICommand): DataMessage<TKey> {
val msg = DataMessage<TKey>()
val root = this.convert(command)
this.repository.add(root)
msg.data = root.id
return msg
}
override fun update(id: TKey, command: ICommand) {
val root = this.convert(command)
root.id = id
this.repository.update(root)
}
override fun remove(id: TKey) {
val functions = this.beforeRemoveListeners.values
var msg: Message
for (func in functions) {
msg = func(id)
if (!msg.success) {
throw java.lang.RuntimeException(msg.message)
}
}
this.repository.remove(id)
}
fun get(id: TKey): TAggregateRoot {
return this.repository.get(id)
}
/**
* 转换ICommand类型到聚合根类型，默认实现，根据需要进行覆写。
*
* @param command
* @return
*/
protected fun convert(command: ICommand): TAggregateRoot {
try {
return converter.convert(command, this.clazz)
} catch (ex: Exception) {
throw RuntimeException("command not match aggregate root", ex)
}
}
}

42
src/gaea/src/main/kotlin/com/synebula/gaea/query/ISpecificQuery.kt
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@@ -1,42 +0,0 @@
package com.synebula.gaea.query
/**
* 查询基接口。
*
* @author alex
*/
interface ISpecificQuery<TView, TKey> {
/**
* 根据Key获取对象。
*
* @param key 对象Key。
* @return
*/
fun get(id: TKey): 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 list
*/
fun list(params: Map<String, Any>?): List<TView>
/**
* 根据条件查询符合条件记录的数量
*
* @param params 查询条件。
* @return int
*/
fun count(params: Map<String, Any>?): Int
/**
* 根据实体类条件查询所有符合条件记录（分页查询）
*
* @param param 分页条件
* @return 分页数据
*/
fun paging(param: Params): Page<TView>
}