Java

Basic API

init	The openYuanrong initialization interface is used to configure parameters.
Finalize	Terminate the system and release the relevant resources.
Config	Configuration parameters required by the init() interface.

Stateful & Stateless Function API

invoke	Create openYuanrong function instance or call method.
function	Constructs a FunctionHandler for a given function.
FunctionHandler	Create an operation class for creating a stateless Java function instance.
function options	Set the options for the current invocation, including resources, etc.
Instance	Create an InstanceCreator for constructing an instance of a class.
InstanceCreator	Create an operation class for creating a Java stateful function instance.
InstanceHandler	Handle to an instance of a stateful function.
InstanceHandler function	Constructs a InstanceFunctionHandler for a given stateful function instance member method.
InstanceFunctionHandler	Handle to a stateful function instance member method.
InstanceHandler exportHandler	Export handler information for stateful function instance.
InstanceHandler importHandler	Import handler information for stateful function instance.
InstanceHandler terminate	Terminate a stateful function instance.
saveState	Saves the instance state.
loadState	Loads the saved instance state.
yrShutdown	Users can use this interface to perform data cleanup or data persistence operations.
yrRecover	Users can use this interface to perform data recovery operations.
InvokeOptions	Use to set the invoke options.

Data Object API

put	Save data to the backend.
get	Retrieve the value of an object from the backend storage based on its key.
wait	Waits for the values of a set of objects in the data system to be ready based on their keys.
ObjectRef	Initialize the ObjectRef.

Stream API

Stream

Passing ordered unbounded data between openYuanrong functions.

Function Interoperation API

setUrn	Set the functionUrn for the function.
CppFunction	Java function calls C++ function.
CppFunctionHandler	Class for creating instances of stateless functions in C++.
CppInstanceClass	Helper class to new C++ instance class.
CppInstanceMethod	Helper class to invoke member function.
CppInstanceCreator	Create an operation class for creating a C++ stateful function instance.
CppInstanceHandler	Handle to an instance of a C++ stateful function.
CppInstanceHandler function	Constructs a InstanceFunctionHandler for a given C++ stateful function instance member method.
CppInstanceFunctionHandler	Handle to a C++ stateful function instance member method.
CppInstanceHandler exportHandler	Obtain instance handle information.
CppInstanceHandler importHandler	Import handler information for C++ stateful function instance.
CppInstanceHandler terminate	Terminate a C++ function instance.
JavaFunction	Java function calls Java function.
JavaFunctionHandler	Create an operation class for creating a stateless Java function instance.
JavaInstanceClass	Helper class to new java instance class.
JavaInstanceMethod	Helper class to invoke member function.
JavaInstanceCreator	Create an operation class for creating a Java stateful function instance.
JavaInstanceHandler	Handle to an instance of a Java stateful function.
JavaInstanceHandler function	Constructs a InstanceFunctionHandler for a given Java stateful function instance member method.
JavaInstanceFunctionHandler	Handle to a Java stateful function instance member method.
JavaInstanceHandler exportHandler	Obtain instance handle information.
JavaInstanceHandler importHandler	Import handler information for Java stateful function instance.
JavaInstanceHandler terminate	Terminate a Java function instance.
VoidFunctionHandler	Operation class that calls a void function with no return value.
VoidInstanceFunctionHandler	Operation class that calls a Java class instance member function without a return value.

KV Cache API

YR.kv().set()	Sets the value of a key.
YR.kv().mSetTx()	A transactional interface for setting multiple binary data entries in a batch.
YR.kv().Write()	Writes the value of a key.
YR.kv().mWriteTx()	Sets multiple key-value pairs.
YR.kv().get()	Retrieves a value associated with a specified key, similar to Redis’s GET command.
YR.kv().getWithParam()	Retrieves multiple values associated with specified keys with additional parameters, supporting offset-based reading.
YR.kv().read()	Retrieve the value of the specified type associated with the specified key.
YR.kv().del	Deletes a key and its associated data, similar to Redis’s DEL command.

Function Group API

Group

A class for managing the lifecycle of grouped instances.

Affinity Scheduling

Affinity

Affinity Scheduling Configuration Parameters.