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- What's New
- Function Overview
- Service Overview
- Billing
- Getting Started
-
User Guide
- Usage Process
- Instances
- Integration Application Management
-
Data Source Management
- Data Sources Supported by ROMA Connect
- Connecting to an API Data Source
- Connecting to an ActiveMQ Data Source
- Connecting to an ArtemisMQ Data Source
- Connecting to a DB2 Data Source
- Connecting to a DIS Data Source
- Connecting to a DWS Data Source
- Connecting to the DM Data Source
- Connecting to a Gauss100 Data Source
- Connecting to an FTP Data Source
- Connecting to an HL7 Data Source
- Connecting to a HANA Data Source
- Connecting to a HIVE Data Source
- Connecting to an LDAP Data Source
- Connecting to an IBM MQ Data Source
- Connecting to a Kafka Data Source
- Connecting to a MySQL Data Source
- Connecting to a MongoDB Data Source
- Connecting to an MQS Data Source
- Connecting to an MRS Hive Data Source
- Connecting to an MRS HDFS Data Source
- Connecting to an MRS HBase Data Source
- Connecting to an MRS Kafka Data Source
- Connecting to an OBS Data Source
- Connecting to an Oracle Data Source
- Connecting to a PostgreSQL Data Source
- Connecting to a Redis Data Source
- Connecting to a RabbitMQ Data Source
- Connecting to a RocketMQ Data Source
- Connecting to an SAP Data Source
- Connecting to an SNMP Data Source
- Connecting to a SQL Server Data Source
- Connecting to a GaussDB(for MySQL) Data Source
- Connecting to a WebSocket Data Source
- Connecting to a Custom Data Source
- Data Integration Guide
-
Service Integration Guide
- Usage Introduction
- Exposing an API
- Exposing a Function API
- Exposing a Data API
- Calling an API
- Managing APIs
- Managing Custom Backends
- Configuring API Control Policies
- Configuring API Plug-in Policies
- Configuring a Custom Authorizer
- Configuring Signature Verification for Backend Services
- Configuring API Cascading
-
Service Integration Guide (Old Edition)
- Usage Introduction
- Exposing APIs
- Creating and Exposing Data APIs
- Creating and Exposing Function APIs
- Calling an API
- Managing APIs
- Managing Custom Backends
- Managing Control Policies
- Managing Plug-ins
- Configuring a Custom Authorizer
- Configuring Signature Verification for Backend Services
- Configuring API Cascading
- Message Integration Guide
- Device Integration Guide
- Increasing Resource Quota
- Audit Logs
- Monitoring Metrics
- Permissions
- User Guide(new)
-
Best Practices
- Digital Reconstruction of Traditional Parking Lot Management Systems
- Sharing Enterprise Data Using APIs
- Integrating and Converting Service Data Across Systems
- Building an Enterprise Service Open Platform
- Developing a Custom Authorizer with a Custom Backend
- Avoiding MQS Message Accumulation
- Synchronizing Data from MySQL to Oracle as Scheduled
-
Developer Guide
- Developer Guide for Data Integration
-
Developer Guide for Service Integration
- Overview
- Developing API Calling Authentication (App)
- Developing API Calling Authentication (IAM)
-
Developing Custom Function Backends
- Overview
- AesUtils
- APIConnectResponse
- Base64Utils
- CacheUtils
- CipherUtils
- ConnectionConfig
- DataSourceClient
- DataSourceConfig
- ExchangeConfig
- HttpClient
- HttpConfig
- JedisConfig
- JSON2XMLHelper
- JSONHelper
- JsonUtils
- JWTUtils
- KafkaConsumer
- KafkaProducer
- KafkaConfig
- MD5Encoder
- Md5Utils
- QueueConfig
- RabbitMqConfig
- RabbitMqProducer
- RedisClient
- RomaWebConfig
- RSAUtils
- SapRfcClient
- SapRfcConfig
- SoapClient
- SoapConfig
- StringUtils
- TextUtils
- XmlUtils
- Developing Custom Data Backends
- Developing Signature Verification for Backend Services
- Developer Guide for Message Integration
-
Developer Guide for Device Integration
- Overview
- Preparations
- Configuring Device Integration
-
MQTT Topic Specifications
- Before You Start
- Gateway Login
- Adding a Gateway Subdevice
- Response for Adding a Gateway Subdevice
- Updating the Gateway Subdevice Status
- Response for Updating the Gateway Subdevice Status
- Deleting a Gateway Subdevice
- Querying Gateway Information
- Response for Querying Gateway Information
- Delivering a Command to a Device
- Response for Delivering a Command to a Device
- Reporting Device Data
-
API Reference
- Before You Start
- API Overview
- Calling APIs
-
Public Resource APIs
-
Application Management
- Verifying the Existence of an Application
- Querying Applications
- Creating an Application
- Querying Application Details
- Updating an Application
- Deleting an Application
- Querying an Application Secret
- Resetting an Application Secret
- Querying Application Members
- Setting Application Members
- Querying Candidate Members
- Asset Management
- Dictionary Management
- Public Management
- Instance Management
-
Application Management
-
Data Integration APIs
- Data Source Management
- Task Monitoring and Management
-
Task Management
- Creating a Common Task
- Querying a Task List
- Counting the number of tasks of different types and states
- Updating a Common Job
- Querying Information About a Specified Task
- Deleting a Task
- Manually Triggering a Single Task
- Manually Stopping the Current Task
- Creating a Schedule
- Querying a Schedule
- Modifying a Scheduling
- Starting or Stopping Tasks in Batches
- Creating a Composite Task
- Initializing the Combined Task
- Modifying a Combined Task
- Resetting the Progress of the Combined Task
- Creating Combined Task Mappings
- Deleting the Specified Task Mapping
-
Service Integration APIs
- Instance Management
- API Group Management
-
API Management
- Creating an API
- Modifying an API
- Deleting an API
- Publishing an API or Taking an API Offline
- Querying Details of an API
- Querying APIs
- Publishing APIs or Taking APIs Offline in Batches
- Debugging an API
- Switching API Versions
- Querying Details of an API Version
- Taking an API Version Offline
- Querying Historical Versions of an API
- Querying the Runtime Definition of an API
- Verifying the API Definition
- Environment Management
- Environment Variable Management
- Domain Name Management
- Request Throttling Policy Management
- Binding a Request Throttling Policy to an API
- Excluded Request Throttling Configuration
- Signature Key Management
- Binding Signature Keys
- Access Control Policy Management
- Binding Access Control Policies
- API Import and Export
-
VPC Channel Management
- Creating a VPC Channel
- Updating a VPC Channel
- Deleting a VPC Channel
- Querying Details of a VPC Channel
- Querying VPC Channels
- Adding or Updating Backend Servers
- Querying Backend Servers of a VPC Channel
- Updating a Backend Instance
- Deleting a Backend Server
- Enabling Backend Servers in Batches
- Disabling Backend Servers in Batches
- Modifying VPC Channel Health Checks
- Adding or Updating a Backend Server Group of a VPC Channel
- Querying the List of Backend Cloud Service Groups of a VPC Channel
- Viewing Details About a Backend Server Group of a VPC Channel
- Deleting a VPC Backend Server Group
- Updating a Backend Server Group of a VPC Channel
-
Client Configuration
- Querying Apps
- Querying Details of an App
- Creating an AppCode
- Generating an AppCode
- Querying AppCodes of an App
- Querying Details of an AppCode
- Deleting an AppCode
- Querying Application Quotas Associated with an Application Quota
- Configuring Access Control for an App
- Querying Details About App Access Control
- Deleting Access Control for an App
-
Client Quotas
- Creating a client quota.
- Modifying a Client Quota
- Delete a Client Quota
- Querying Details of a Client Quota
- Querying Client Quotas
- Binding Client Applications to a Client Quota
- Unbinding Client Applications from a Client Quota
- Querying Client Applications Bound to a Client Quota
- Querying Client Applications Available for Being Bound to a Client Quota
- Application Authorization Management
-
Custom Backend Management
- Creating a Backend API
- Modifying a Backend API
- Deleting a Backend API
- Querying Details of a Backend API
- Querying Backend APIs
- Creating a Backend API Script
- Testing a Backend API
- Querying the Backend API Test Result
- Deploying a Backend API
- Querying the Deployment History of a Backend API
- Canceling Deployment of a Backend API
- Verifying the Definition of a Custom Backend API
- Querying the Quota of a Custom Backend Service
- Querying Data Sources of a Custom Backend Service
- Custom Authorizer Management
- Querying Metrics
- Instance Feature Management
- Tag Management
- Configuration Management
- Application Configuration Management
- VPC Channel Management - Project-Level
-
SSL Certificate Management
- Obtaining SSL Certificates
- Create an SSL certificate.
- Binding a Domain Name to an SSL Certificate
- Unbinding a Domain Name from an SSL Certificate
- Viewing Certificate Details
- Deleting an SSL Certificate
- Modifying an SSL certificate
- Binding an SSL Certificate with a Domain Name
- Unbinding an SSL Certificate from a Domain Name
- Obtaining Domain Names Bound to an SSL Certificate
-
Plug-in Management
- Creating a Plug-in
- Modifying a Plug-in
- Deleting a Plug-in
- Querying a Plug-in
- Querying Plug-in Details
- Binding a Plug-in to an API
- Binding a Plug-in to an API
- Unbinding a Plug-in from an API
- Unbinding a Plug-in from an API
- Querying APIs Bound with a Plug-in
- Querying Plug-ins bound to an API
- Querying APIs that Can Be Bound to a Plug-in
- Querying Plug-ins that Can Be Bound to the Current API
- Message Integration APIs
-
Device Integration APIs
- Device Group Management
-
Device Management
- Creating a Device
- Querying Devices
- Bringing Devices Offline in Batches
- Deleting a Device
- Querying Device Details
- Modifying a Device
- Querying Device Topics
- Adding a Subdevice to the Gateway
- Querying Subdevices
- Querying a Device Shadow
- Resetting Device Authentication Information
- Querying Device Authentication Information
- Sending Commands
- Subscription Management
- Product Template Management
-
Product Management
- Creating a Product
- Querying Products
- Querying the Number of Devices in a Product
- Deleting a Product
- Querying Product Details
- Modifying Product Information
- Adding a Product Topic
- Querying Product Topics
- Deleting a Product Topic
- Modifying a Product Topic
- Resetting Product Authentication Information
- Querying Product Authentication Information
- Importing Products
- Exporting Products
- Rule Engine
-
Service Management
- Creating a Service
- Querying Services
- Deleting a Service
- Querying Service Details
- Modifying a Service
- Creating an Attribute
- Querying Attributes
- Creating a Command
- Querying Commands
- Deleting a Command
- Querying Command Details
- Modifying a Command
- Creating a Request Attribute
- Querying Request Attributes
- Deleting a Request Attribute
- Modifying a Request Attribute
- Creating a Response Attribute
- Querying Response Attributes
- Deleting a Response Attribute
- Querying Response Attributes
- Modifying a Response Attribute
- Example Applications
- Permissions Policies and Supported Actions
- Appendix
-
Out-of-Date APIs
-
APIC APIs (V1)
- API Group Management (V1)
- API Management (V1)
-
Custom Backend Management (V1)
- Querying Backend APIs
- Creating a Backend API
- Querying Details of a Backend API
- Modifying a Backend API
- Deleting a Backend API
- Querying the Backend API Test Result
- Querying the Deployment History of a Backend API
- Deploying a Backend API
- Testing a Backend API
- Canceling Deployment of a Backend API
- Creating a Backend API Script
- Application Authorization Management (V1)
- Custom Authorizer Management (V1)
- Device Integration APIs (V1)
-
APIC APIs (V1)
- Change History
- SDK Reference
-
FAQs
- Instance Management
-
Data Integration
-
Common Data Integration Tasks
- Which Types of Data Are Supported by FDI Databases?
- What Is a Trace Number? Can Data Be Traced by Using a Trace Number?
- Can I Clear the Destination Tables of an FDI Task?
- Can a Task Collect Data from One Table to Another Table?
- Is the FDI Task Created by One User Visible to Another User Under the Same Account?
- How Do I Configure FDI to Connect to MRS Hive of Other Tenants Through a Public Network?
- Will Collected Data Be Updated After a File Is Parsed from OBS to the RDS Database?
- Why Are the Column Values Incorrect When the CSV File on the Source OBS Is Parsed to the Relational Database?
- Can Data Be Integrated into the Destination When the Data Types of Source and Destination Fields of MRS Hive Do Not Match?
- Is the Mapping Between MRS Hive or MRS HBase and MongoDB Case-sensitive When It Is Manually Entered?
- Does MRS Hive Support Partitioning?
- How Do I Set the Custom Period for the API Data Source at the Source?
- Does SAP Support Reading Views by Page?
- Composite Data Integration Tasks
-
Common Data Integration Tasks
-
Service Integration
- Does APIC Support Multiple Backend Endpoints?
- How Do I Perform App Authentication in iOS System?
- How Can I Ensure the Security of Backend Services Invoked by APIC?
- Do I Need to Publish an API Again After Modification?
- What Can I Do If an API Published in a Non-RELEASE Environment Is Inaccessible?
- Can I Invoke Different Backend Services by Publishing an API in Different Environments?
- Can Applications Deployed in a VPC Call APIs?
- What Is the Maximum Size of an API Request Packet?
- Can I Modify a Deployed Custom Backend?
- How Does APIC Throttle Requests?
- What Are the Causes of an API Calling Failure?
- Message Integration
- Device Integration
-
Troubleshooting
-
Common Data Integration Tasks
- Garbled Characters Are Displayed When Data Is Written to MRS Hive at the Destination
- All Data Is Written to the First Field of MRS Hive
- An Error Message Is Displayed at the Destination Indicating Task Execution Times Out
- Error Message "could only be written to 0 of the 1 minReplication nodes. There are 2 datanode(s) running and 2 node(s) are excluded in this operation" Is Reported at the Destination During Data Integration from MySQL to MRS Hive
- Error Message "Illegal mix of collations for operation 'UNION'" Is Displayed at the Source Database During MySQL-to-MySQL Data Integration
- Data May Be Lost When Incremental Data Collection Is Performed from the Source MySQL on an Hourly Basis
- Error Message "401 unauthorized" Is Displayed at the Source During API-to-MySQL Data Integration
- Error Message "cannot find record mapping field" Is Displayed at the Destination During Kafka-to-MySQL Data Integration
- Error Message "connect timeout" Is Displayed at the Source During Scheduled API-to-MySQL Data Integration
- FDI Fails to Obtain Data During Real-Time Kafka-to-MySQL Data Integration Although Data Exists in MQS Topics
- Value of the Source Field of the tinyint(1) Type Is Changed from 2 to 1 at the Destination During Scheduled MySQL-to-MySQL Data Integration
- "The task executes failed.Writer data to kafka failed" Is Reported When the Kafka Destination Is Used over the Public Network
-
Composite Data Integration Tasks
- Data Fails to Be Written Because the RowId Field Type Is Incorrectly Configured in the Destination Table
- Error Message "binlog probably contains events generated with statement or mixed based replication forma" Is Displayed When the Binlog of the MySQL Database Is Read
- Data Still Fails to Be Written After an FDI Task Failure Is Rectified
- Camel Fails to Access the Database Because Table Names Contain Garbled Characters
- Inserted Data Violates the Non-null Constraint
- FDI Task Fails to Be Executed Because DWS Changes to the Read-only State
- Data Write to DWS Becomes Slower
- Data Sources
-
Service Integration
- Backend Service Fails to Be Invoked
- Error Message "No backend available" Is Displayed When an API Is Called
- Error Message "The API does not exist or has not been published in an environment" Is Displayed When an API Is Called Using JavaScript
- Common Errors Related to IAM Authentication Information
- A Message Is Displayed Indicating that the Certificate Chain Is Incomplete When You Add a Certificate
- Device Integration
-
Common Data Integration Tasks
- Videos
-
More Documents
-
User Guide (ME-Abu Dhabi Region)
- Service Overview
- Getting Started
- Getting Started
- Instances
- Integration Application Management
- Data Integration Guide
- Service Integration Guide
- Message Integration Guide
- Device Integration Guide
-
Data Source Management
- Data Sources Supported by ROMA Connect
- Connecting to an API Data Source
- Connecting to an ActiveMQ Data Source
- Connecting to an ArtemisMQ Data Source
- Connecting to a DB2 Data Source
- Connecting to a DIS Data Source
- Connecting to a DWS Data Source
- Connecting to a GaussDB 100 Data Source
- Connecting to a GaussDB 200 Data Source
- Connecting to an FTP Data Source
- Connecting to an FI HDFS Data Source
- Connecting to an FI Hive Data Source
- Connecting to an FI Kafka Data Source
- Connecting to an HL7 Data Source
- Connecting to a HANA Data Source
- Connecting to a HIVE Data Source
- Connecting to an LDAP Data Source
- Connecting to an IBM MQ Data Source
- Connecting to a Kafka Data Source
- Connecting to a MySQL Data Source
- Connecting to a MongoDB Data Source
- Connecting to an MRS Hive Data Source
- Connecting to an MRS HDFS Data Source
- Connecting to an MRS HBase Data Source
- Connecting to an MRS Kafka Data Source
- Connecting to an OBS Data Source
- Connecting to an Oracle Data Source
- Connecting to a PostgreSQL Data Source
- Connecting to a Redis Data Source
- Connecting to a RabbitMQ Data Source
- Connecting to an SAP Data Source
- Connecting to an SNMP Data Source
- Connecting to a SQL Server Data Source
- Connecting to a TaurusDB Data Source
- Connecting to a WebSocket Data Source
- Connecting to a Custom Data Source
- Asset Management
-
FAQs
- Common Operations
-
Data Integration Tasks
- Which Types of Data Are Supported by FDI Databases?
- What Is a Trace Number? Can Data Be Traced by Using a Trace Number?
- Does an FDI Task Support Clearance of a Destination Table?
- Can a Task Collect Data from One Table to Another Table?
- Is the FDI Task Created by One User Visible to Another User Under the Same Account?
- How Do I Configure FDI to Connect to MRS Hive of Other Tenants Through a Public Network?
- Will Collected Data Be Updated After a File Is Parsed from OBS to the RDS Database?
- Why Are the Column Values Incorrect When the CSV File on the Source OBS Is Parsed to the Relational Database?
- Can Data Be Integrated into the Destination When the Data Types of Source and Destination Fields of MRS Hive Do Not Match?
- Is the Mapping Between MRS Hive or MRS HBase and MongoDB Case-sensitive When It Is Manually Entered?
- Does MRS Hive Support Partitioning?
- How Can I Configure the Time for Triggering a Scheduled Task of FDI?
- How Do I Set the Custom Period for the API Data Source at the Source?
- Composite Data Integration Tasks
-
Service Integration
- Which Languages Does APIC Support for SDKs?
- Does APIC Support Multiple Backend Endpoints?
- Which Error Codes Will Be Displayed When I Use APIC?
- How Can I Ensure the Security of Backend Services Invoked by APIC?
- Do I Need to Publish an API Again After Modification?
- What Can I Do If an API Published in a Non-RELEASE Environment Is Inaccessible?
- Can I Invoke Different Backend Services by Publishing an API in Different Environments?
- What Is the Maximum Size of an API Request Package?
- Can I Modify an API After It Is Deployed on the Custom Backend?
- How Does APIC Throttle Requests?
- What Are the Causes of an API Calling Failure?
- Can I Call an API If the API Is Not Bound to an EIP?
- Which Data Sources Does APIC Support?
- Message Integration
- Device Integration
-
Troubleshooting
-
Common Data Integration Tasks
- Garbled Characters Are Displayed When Data Is Written to MRS Hive at the Destination
- All Data Is Written to the First Field of MRS Hive
- An Error Message Is Displayed at the Destination Indicating Task Execution Times Out
- Error Message "could only be written to 0 of the 1 minReplication nodes. There are 2 datanode(s) running and 2 node(s) are excluded in this operation" Is Reported at the Destination During Data Integration from MySQL to MRS Hive
- Error Message "Illegal mix of collations for operation 'UNION'" Is Displayed at the Source Database During MySQL-to-MySQL Data Integration
- Data May Be Lost When Incremental Data Collection Is Performed from the Source MySQL on an Hourly Basis
- Error Message "401 unauthorized" Is Displayed at the Source During API-to-MySQL Data Integration
- Error Message "cannot find record mapping field" Is Displayed at the Destination During Kafka-to-MySQL Data Integration
- Error Message "connect timeout" Is Displayed at the Source During Scheduled API-to-MySQL Data Integration
- FDI Fails to Obtain Data During Real-Time Kafka-to-MySQL Data Integration Although Data Exists in MQS Topics
- Value of the Source Field of the tinyint(1) Type Is Changed from 2 to 1 at the Destination During Scheduled MySQL-to-MySQL Data Integration
-
Composite Data Integration Tasks
- Data Fails to Be Written Because the RowId Field Type Is Incorrectly Configured in the Destination Table
- Error Message "binlog probably contains events generated with statement or mixed based replication forma" Is Displayed When the Binlog of the MySQL Database Is Read
- Data Still Fails to Be Written After an FDI Task Failure Is Rectified
- Camel Fails to Access the Database Because Table Names Contain Garbled Characters
- Inserted Data Violates the Non-null Constraint
- FDI Task Fails to Be Executed Because DWS Changes to the read-only State
- Speed of Writing Data to DWS Becomes Slower
- Data Sources
- Service Integration
- Device Integration
-
Common Data Integration Tasks
-
Developer Guide (ME-Abu Dhabi Region)
-
Developer Guide for Service Integration
- How Do I Choose an Authentication Mode
- Using App Authentication to Call APIs
- Using IAM Authentication to Call APIs
- Signing Backend Services
-
Developing Function APIs
- Function API Script Compilation Guide
- APIConnectResponse
- Base64Utils
- CacheUtils
- CipherUtils
- ConnectionConfig
- DataSourceClient
- DataSourceConfig
- ExchangeConfig
- HttpClient
- HttpConfig
- JedisConfig
- JSON2XMLHelper
- JSONHelper
- JsonUtils
- JWTUtils
- KafkaConsumer
- KafkaProducer
- KafkaConfig
- MD5Encoder
- Md5Utils
- ObjectUtils
- QueueConfig
- RabbitMqConfig
- RabbitMqProducer
- RedisClient
- RomaWebConfig
- RSAUtils
- SapRfcClient
- SapRfcConfig
- SoapClient
- SoapConfig
- StringUtils
- TextUtils
- XmlUtils
- Developing Data API Statements
-
Developer Guide for Message Integration
- Overview and Network Environment Preparation
- Collecting Connection Information
-
Connecting to MQS in Client Mode
- Recommendations for Client Usage
- Setting Parameters for Clients
- Setting Up the Java Development Environment
- Configuring Kafka Clients in Java
- Configuring Kafka Clients in Python
- Configuring Kafka Clients in Other Languages
- Appendix: Methods for Improving the Message Processing Efficiency
- Appendix: Restrictions on Spring Kafka Interconnection
- Connecting to MQS Using RESTful APIs
-
Developer Guide for Device Integration
- Device Integration Development
-
MQTT Topic Specifications
- Before You Start
- Gateway Login
- Adding a Gateway Subdevice
- Response for Adding a Gateway Subdevice
- Updating the Gateway Subdevice Status
- Response for Updating the Gateway Subdevice Status
- Deleting a Gateway Subdevice
- Querying Gateway Information
- Response for Querying Gateway Information
- Delivering a Command to a Device
- Response for Delivering a Command to a Device
- Reporting Device Data
-
Developer Guide for Service Integration
-
API Reference (ME-Abu Dhabi Region)
- Before You Start
- Calling APIs
-
Public Resource APIs
-
Application Management
- Verifying the Existence of an Application
- Querying Applications
- Creating an Application
- Querying Application Details
- Updating an Application
- Deleting an Application
- Querying an Application Secret
- Resetting an Application Secret
- Querying Application Members
- Setting Application Members
- Querying Candidate Members
- Asset Management
- Dictionary Management
- Public Management
-
Application Management
-
APIC APIs
- Instance Management
- API Group Management
-
API Management
- Creating an API
- Modifying an API
- Deleting an API
- Publishing an API or Taking an API Offline
- Querying Details of an API
- Querying APIs
- Publishing APIs or Taking APIs Offline in Batches
- Debugging an API
- Switching API Versions
- Querying Details of an API Version
- Taking an API Version Offline
- Querying Historical Versions of an API
- Querying the Runtime Definition of an API
- Verifying the API Definition
- Environment Management
- Environment Variable Management
- Domain Name Management
- Request Throttling Policy Management
- Binding/Unbinding Request Throttling Policies
- Excluded Request Throttling Configuration
- Signature Key Management
- Binding/Unbinding Signature Keys
- Access Control Policy Management
- Binding/Unbinding Access Control Policies
- API Import and Export
- VPC Channel Management
-
Client Configuration
- Querying Apps
- Querying Details of an App
- Creating an AppCode
- Generating an AppCode
- Querying AppCodes of an App
- Querying Details of an AppCode
- Deleting an AppCode
- Querying Application Quotas Associated with an Application Quota
- Configuring Access Control for an App
- Querying Details About App Access Control
- Deleting Access Control for an App
-
Client Quota
- This API is used to create a client quota.
- Modifying a Client Quota
- Delete a Client Quota
- Querying Details of a Client Quota
- Querying Client Quotas
- Binding Client Applications to a Client Quota
- Unbinding Client Applications from a Client Quota
- Querying Client Applications Bound to a Client Quota
- Querying Client Applications Available for Being Bound to a Client Quota
- App Authorization Management
-
Custom Backend Management
- Creating a Backend API
- Modifying a Backend API
- Deleting a Backend API
- Querying Details of a Backend API
- Querying Backend APIs
- Creating a Backend API Script
- Testing a Backend API
- Querying the Backend API Test Result
- Deploying a Backend API
- Querying the Deployment History of a Backend API
- Canceling Deployment of a Backend API
- Verifying the Definition of a Custom Backend API
- Querying the Quota of a Custom Backend Service
- Querying Data Sources of a Custom Backend Service
- Custom Authorizer Management
- Monitoring Information Query
- Instance Feature Management
- Tag Management
- Configuration Management
- Application Configuration Management
- MQS APIs
-
Device Integration APIs
- Device Group Management
-
Device Management
- Creating a Device
- Querying Devices
- Bringing Devices Offline in Batches
- Deleting a Device
- Querying Device Details
- Modifying a Device
- Querying Device Topics
- Adding a Subdevice to the Gateway
- Querying Subdevices
- Querying a Device Shadow
- Resetting Device Authentication Information
- Querying Device Authentication Information
- Sending Commands
- Product Template Management
-
Product Management
- Creating a Product
- Querying Products
- Querying the Number of Devices in a Product
- Deleting a Product
- Querying Product Details
- Modifying Product Information
- Adding a Product Topic
- Querying Product Topics
- Deleting a Product Topic
- Modifying a Product Topic
- Resetting Product Authentication Information
- Querying Product Authentication Information
- Importing Products
- Exporting Products
- Rule Engine
-
Service Management
- Creating a Service
- Querying Services
- Deleting a Service
- Querying Service Details
- Modifying a Service
- Creating an Attribute
- Querying Attributes
- Creating a Command
- Querying Commands
- Deleting a Command
- Querying Command Details
- Modifying a Command
- Creating a Request Attribute
- Querying Request Attributes
- Deleting a Request Attribute
- Modifying a Request Attribute
- Creating a Response Attribute
- Querying Response Attributes
- Deleting a Response Attribute
- Querying Response Attributes
- Modifying a Response Attribute
- Appendix
-
User Guide (ME-Abu Dhabi Region)
- General Reference
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Referencing Functions
You can reference functions to quickly configure connectors when editing and designing a composite application.
Figure 1 describes how to use functions in composite applications.
Category
Math, string, encryption and decryption, date and time, encoding and decoding, and number system conversion.
Category |
Function |
Description |
---|---|---|
Math (2) |
sum(array arr) |
Returns the sum of all numbers in an array. |
avg(array arr) |
Returns the average of all numbers in an array. |
|
String (29) |
uuid() |
Generates a random UUID consisting of letters and digits. |
upper(string str) |
Converts a string into uppercase letters. |
|
lower(string str) |
Converts a string into lowercase letters. |
|
camelize(string str) |
Converts words in a string into the camel case format, deletes all spaces, and converts the first letter of each word except the first word into the uppercase format. |
|
dasherize(string str) |
Converts words in a string into the kebab case format, letters into lowercase letters, and all spaces into hyphens (-). |
|
capitalize(string str) |
Converts the first letter of each word into the uppercase format and the other letters into the lowercase format. |
|
charCode(string char) |
Converts characters to character encoding. |
|
fromCharCode(number charCode) |
Converts a character encoding into a string. |
|
charCodeAt(string str, number index) |
Returns the character encoding at the index in a string. |
|
isAlpha(string str) |
Returns a Boolean value that indicates whether a string contains only English letters. |
|
isAlphanumeric(string str) |
Returns a Boolean value that indicates whether a string contains only English letters or digits. |
|
isNumeric(string str) |
Returns a Boolean value that indicates whether a string contains only digits. |
|
isLowerCase(string str) |
Returns a Boolean value that indicates whether a string contains only lowercase letters. |
|
isUpperCase(string str) |
Returns a Boolean value that indicates whether a string contains only uppercase letters. |
|
isWhitespace(string str) |
Returns a Boolean value that indicates whether a string contains only spaces. |
|
leftPad(string str, number offset) |
If the string is shorter than the offset, pads the left side of the string with spaces. |
|
rightPad(string str, number offset) |
If the string is shorter than the offset, pads the right side of the string with spaces. |
|
substringAfter(string str, string separator) |
Gets the substring after the first separator. |
|
substringAfterLast(string str, string separator) |
Gets the substring after the last separator. |
|
substringBefore(string str, string separator) |
Gets the substring before the first separator. |
|
substringBeforeLast(string str, string separator) |
Gets the substring before the last separator. |
|
unwrap(string str, string wrapper) |
Returns a string without the wrapper text. The wrapper text is the value before and/or after a string. |
|
withMaxSize(string str, number size) |
Limits the size of a string. |
|
wrapIfMissing(string str, string wrapper) |
If a string is not wrapped, adds the wrapper at the beginning or end. If the wrapper already exists at the beginning or end, updates only the missing end. |
|
wrapWith(string str, string wrapper) |
Adds the wrapper at the beginning or end of a string. |
|
ordinalize(number num) |
Converts num to an ordered character string, for example, 1st, 2nd, or 3rd. |
|
appendIfMissing(string str, string value) |
If a string does not end with value, adds value there. |
|
prependIfMissing(string str, string value) |
If a string does not start with value, adds value there. |
|
repeat(string str, number times) |
Repeats the given number of times. |
|
Encryption and decryption (4) |
hash(string value, string algorithm) |
Calculates the hash value using a supported algorithm. The algorithm must be MD2, MD5, SHA-1, SHA-256, SHA-384 or SHA-512. |
hmac(string value, string secret, string algorithm) |
Generates a hash-based authentication code using the provided value, key, and hash function algorithm. The algorithm must be HMACSHA1, HMACSHA256, or HMACSHA512. |
|
encrypt(string value, string secret, string transformation) |
Encrypts the value using the specified JDK and key, and converts the encryption into a readable format using Base64. |
|
decrypt(string value, string secret, string algorithm, string mode, string padding) |
Decrypts the Base64 value using the specified JDK and key. |
|
Date and time (20) |
now() |
Returns the current date and time. |
compare(string datetime1, string datetime2) |
If datetime1 > datetime2, returns 1; if datetime1 < datetime2, returns -1; if datetime1 == datetime2, returns 0. |
|
atBeginningOfDay(string datetime) |
Returns the midnight time value of a given time. |
|
atBeginningOfHour(string datetime) |
Returns the given date and time, with minute and second as 0. |
|
atBeginningOfMonth(string datetime) |
Returns the first day of the month, with time as midnight. |
|
atBeginningOfWeek(string datetime) |
Returns the first day of the current week, with time as midnight. |
|
atBeginningOfYear(string datetime) |
Returns the first day of the year, with time as midnight. |
|
changeTimeZone(string datetime, string timezone) |
Changes the time zone, which usually results in a change in the local date and time. |
|
daysBetween(string datetime1, string datetime2) |
Returns the number of days between datetime1 and datetime2. |
|
format(string datetime, string outputFormat) |
Converts a given datetime into the specified format. |
|
isLeapYear(string datetime) |
Returns a Boolean value indicating whether datetime is a leap year. |
|
plus(string datetime, string period) |
Adds a date to a datetime. |
|
minus(string datetime, string period) |
Subtracts a date to a datetime. |
|
parse(string|number datetime, string inputFormat) |
Parses datetime using the input format and returns a value in the default format. If the epoch or timestamp value is used as the datetime, epoch or timestamp can be used as inputFormat. |
|
toLocalDate(string datetime) |
Localizes a date. |
|
toLocalDateTime(string datetime) |
Localizes a date and time. |
|
toLocalTime(string datetime, string format) |
Localizes a time. |
|
today() |
Returns the midnight time of the current day. |
|
tomorrow() |
Returns the midnight time of the next day. |
|
yesterday() |
Returns the midnight time of the previous day. |
|
Encoding and decoding (2) |
encode(string data, string encoding="UTF-8") |
Converts a string to the application/x-www-form-urlencoded format using the provided encoding scheme to obtain insecure bytes. The default encoding is UTF-8. |
decode(string data, string encoding="UTF-8") |
Decodes the application/x-www-form-urlencoded string using a specific encoding scheme to determine which characters are represented by a continuous sequence in the form of %xy. |
|
Number system conversion (9) |
fromBase64(string value) |
Converts a Base64 code to a value. |
toBase64(any value) |
Base64-encodes a value. |
|
fromHex(string value) |
Converts a hexadecimal number to a value. |
|
toHex(any value) |
Converts a value to a hexadecimal number. |
|
fromBinary(number value) |
Converts a value from binary to decimal. |
|
fromHex(number value) |
Converts a value from hexadecimal to decimal. |
|
fromRadixNumber(number value, number baseAsBinary) |
Converts a value to a decimal number. |
|
toBinary(number value) |
Converts a value from decimal to binary. |
|
toRadixNumber(number value, number baseAsDecimal) |
Converts a value to a specified number system. |
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