VoidFunctionHandler

VoidFunctionHandler#

package: org.yuanrong.call.

public class VoidFunctionHandler extends Handler#

Operation class that calls a void function with no return value.

Note

The VoidFunctionHandler class is a handle for Java functions with no return value; it is the return type of the interface YR.function(YRFuncVoid func).

Users can use VoidFunctionHandler to create and invoke Java functions that do not return values.

Interface description#

public VoidFunctionHandler(YRFuncVoid func)#

The constructor of VoidFunctionHandler.

  • Parameters:

    • func - Java function name, supports 0 ~ 5 parameters, no return value user function.

public void invoke(Object… args) throws YRException#

Member method of the VoidFunctionHandler class, used to call void functions.

  • Parameters:

    • args - The input parameters required to call the specified method.

  • Throws:

    • YRException - Unified exception types thrown.

public VoidFunctionHandler options(InvokeOptions opt)#

The member method of the VoidFunctionHandler class is used to dynamically modify the parameters of the called void function.

Config conf = new Config("FunctionURN", "ip", "ip", "", false);
YR.init(conf);

InvokeOptions invokeOptions = new InvokeOptions();
invokeOptions.setCpu(1500);
invokeOptions.setMemory(1500);
VoidFunctionHandler<String> functionHandler = YR.function(MyYRApp::myVoidFunction).options(invokeOptions);
functionHandler.invoke();
YR.Finalize();

  • Parameters:

    • opt - Function call options, used to specify functions such as calling resources.

  • Returns:

    VoidFunctionHandler Class handle.