AttachmentService (muyan-platform 0.23-SNAPSHOT API)

tech.muyan.storage.AttachmentService

@groovy.util.logging.Slf4j
@groovy.transform.CompileStatic
class AttachmentService
extends java.lang.Object

附件存取相关的服务

date:: 31/10/21

Authors:: Xiang Qian Liu([email protected])

Properties Summary

Properties
Type	Name and description
`CustomiseEngineService`	`customiseEngineService`
`DomainClassService`	`domainClassService`
`DomainDataService`	`domainDataService`
`DynamicFieldInstanceDataService`	`dynamicFieldInstanceDataService`
`DynamicFieldValueDataService`	`dynamicFieldValueDataService`
`grails.core.GrailsApplication`	`grailsApplication`
`StorageFieldValueDataService`	`storageFieldValueDataService`
`org.springframework.transaction.TransactionStatus`	`transactionStatus`
`UserDataService`	`userDataService`
`UserService`	`userService`

Constructor Summary

Constructors
Constructor and description
`AttachmentService ()`

Methods Summary

Methods
Type Params	Return Type	Name and description
	`StorageFieldValue`	`createAndSaveStorageFieldValue(FileOperationMeta fileMeta, java.lang.String filePathOrKey, java.io.Serializable tenant, WebSocketContext context, java.nio.ByteBuffer data, org.springframework.transaction.TransactionStatus ts)`
	`void`	`delete(FileOperationMeta fileMeta)`
	`java.nio.ByteBuffer`	`getAttachmentData(StorageFieldValue value, grails.plugin.springsecurity.userdetails.GrailsUser grailsUser)`
	`java.lang.String`	`getAttachmentDirectAccessUrl(javax.servlet.http.HttpServletRequest request, StorageFieldValue storageFieldValue)` 获取一个附件的直接访问 url
	`StorageFieldValue`	`saveAttachment(FileOperationMeta fileMeta, java.io.InputStream inputStream)`
	`StorageFieldValue`	`saveAttachment(FileOperationMeta fileMeta, java.nio.ByteBuffer data, WebSocketContext context)` 保存附件文件, 如果保存发生错误, 不会提交数据库事务, 且会将存储引擎上已经保存的文件删除
	`void`	`updateDynamicFieldValueForAdd(GormEntity<?> owner, java.lang.String columnName, StorageFieldValue val, FileStorageEngine fileStorageEngine)`
	`void`	`updateDynamicFieldValueForDeletion(GormEntity<?> owner, java.lang.String columnName, StorageFieldValue val)`
	`StorageFieldValue`	`updateExistingStorageFieldValue(FileOperationMeta fileMeta, StorageFieldValue currValue, java.lang.String filePathOrKey, java.io.Serializable tenant, WebSocketContext context, java.nio.ByteBuffer data, org.springframework.transaction.TransactionStatus ts)`

Inherited Methods Summary

Inherited Methods
Methods inherited from class	Name
`class java.lang.Object`	`java.lang.Object#getClass(), java.lang.Object#wait(), java.lang.Object#wait(long), java.lang.Object#wait(long, int), java.lang.Object#hashCode(), java.lang.Object#equals(java.lang.Object), java.lang.Object#notifyAll(), java.lang.Object#toString(), java.lang.Object#notify()`

- Property Detail
  - CustomiseEngineService customiseEngineService
  - DomainClassService domainClassService
  - DomainDataService domainDataService
  - DynamicFieldInstanceDataService dynamicFieldInstanceDataService
  - DynamicFieldValueDataService dynamicFieldValueDataService
  - grails.core.GrailsApplication grailsApplication
  - StorageFieldValueDataService storageFieldValueDataService
  - org.springframework.transaction.TransactionStatus transactionStatus
  - UserDataService userDataService
  - UserService userService
- Constructor Detail
  - AttachmentService()
- Method Detail
  - StorageFieldValue createAndSaveStorageFieldValue(FileOperationMeta fileMeta, java.lang.String filePathOrKey, java.io.Serializable tenant, WebSocketContext context, java.nio.ByteBuffer data, org.springframework.transaction.TransactionStatus ts)
  - @grails.gorm.transactions.Transactional void delete(FileOperationMeta fileMeta)
  - java.nio.ByteBuffer getAttachmentData(StorageFieldValue value, grails.plugin.springsecurity.userdetails.GrailsUser grailsUser)
  - java.lang.String getAttachmentDirectAccessUrl(javax.servlet.http.HttpServletRequest request, StorageFieldValue storageFieldValue)
    
    获取一个附件的直接访问 url
    Parameters:
    storageFieldValue
    Returns:
    附件的直接访问 url
  - StorageFieldValue saveAttachment(FileOperationMeta fileMeta, java.io.InputStream inputStream)
  - @grails.gorm.transactions.Transactional StorageFieldValue saveAttachment(FileOperationMeta fileMeta, java.nio.ByteBuffer data, WebSocketContext context)
    
    保存附件文件, 如果保存发生错误, 不会提交数据库事务, 且会将存储引擎上已经保存的文件删除
    Parameters:
    application - grails application
    fileMeta - 文件的元数据
    data - 文件的数据
    context - websocket上下文
    Returns:
    保存附件文件的结果 Domain
  - void updateDynamicFieldValueForAdd(GormEntity<?> owner, java.lang.String columnName, StorageFieldValue val, FileStorageEngine fileStorageEngine)
  - void updateDynamicFieldValueForDeletion(GormEntity<?> owner, java.lang.String columnName, StorageFieldValue val)
  - StorageFieldValue updateExistingStorageFieldValue(FileOperationMeta fileMeta, StorageFieldValue currValue, java.lang.String filePathOrKey, java.io.Serializable tenant, WebSocketContext context, java.nio.ByteBuffer data, org.springframework.transaction.TransactionStatus ts)

Summary:
Property
Constructor
Method

| Detail:
Property
Constructor
Method

Groovy Documentation

[Groovy] Class AttachmentService

Properties Summary

Constructor Summary

Methods Summary

Inherited Methods Summary

Property Detail

CustomiseEngineService customiseEngineService

DomainClassService domainClassService

DomainDataService domainDataService

DynamicFieldInstanceDataService dynamicFieldInstanceDataService

DynamicFieldValueDataService dynamicFieldValueDataService

grails.core.GrailsApplication grailsApplication

StorageFieldValueDataService storageFieldValueDataService

org.springframework.transaction.TransactionStatus transactionStatus

UserDataService userDataService

UserService userService

Constructor Detail

AttachmentService()

Method Detail

StorageFieldValue createAndSaveStorageFieldValue(FileOperationMeta fileMeta, java.lang.String filePathOrKey, java.io.Serializable tenant, WebSocketContext context, java.nio.ByteBuffer data, org.springframework.transaction.TransactionStatus ts)

@grails.gorm.transactions.Transactional void delete(FileOperationMeta fileMeta)

java.nio.ByteBuffer getAttachmentData(StorageFieldValue value, grails.plugin.springsecurity.userdetails.GrailsUser grailsUser)

java.lang.String getAttachmentDirectAccessUrl(javax.servlet.http.HttpServletRequest request, StorageFieldValue storageFieldValue)

StorageFieldValue saveAttachment(FileOperationMeta fileMeta, java.io.InputStream inputStream)

@grails.gorm.transactions.Transactional StorageFieldValue saveAttachment(FileOperationMeta fileMeta, java.nio.ByteBuffer data, WebSocketContext context)

void updateDynamicFieldValueForAdd(GormEntity<?> owner, java.lang.String columnName, StorageFieldValue val, FileStorageEngine fileStorageEngine)

void updateDynamicFieldValueForDeletion(GormEntity<?> owner, java.lang.String columnName, StorageFieldValue val)

StorageFieldValue updateExistingStorageFieldValue(FileOperationMeta fileMeta, StorageFieldValue currValue, java.lang.String filePathOrKey, java.io.Serializable tenant, WebSocketContext context, java.nio.ByteBuffer data, org.springframework.transaction.TransactionStatus ts)