com.tibco.cep.kernel.model.rule

Interface RuleFunction

public interface RuleFunction

Runtime rule function.

Since:

2.0.0

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	RuleFunction.ParameterDescriptor Describes a RuleFunction parameter.

Method Summary

Methods

Modifier and Type	Method and Description
RuleFunction.ParameterDescriptor[]	getParameterDescriptors() Gets all the parameter descriptors for this rule function.
java.lang.String	getSignature() Returns the original signature of the RuleFunction in string format.
java.lang.Object	invoke(java.util.Map maps) Invokes the rule function with a map.
java.lang.Object	invoke(java.lang.Object[] objects) Invokes the rule function with an array of objects.

Method Detail

invoke

java.lang.Object invoke(java.lang.Object[] objects)

Invokes the rule function with an array of objects. The objects in the array have to follow the same order as the input parameters. Primitive types have to be boxed. Also, the return value will be boxed if it is primitive type.

Parameters:

objects - the input parameters for the rule function.

Returns:

return value of the rule function. If the return type is void, null will be returned.

Since:

2.0.0

invoke

java.lang.Object invoke(java.util.Map maps)

Invokes the rule function with a map. The input map should map the parameter name to its value. Input parameters of primitive type have to be boxed. The return value will be boxed if it is a primitive type.

Parameters:

maps - the input parameters for the rule function, maps the parameter name to the corresponding value.

Returns:

return value of the rule function. If the return type is void, null will be returned.

Since:

2.0.0

getSignature

java.lang.String getSignature()

Returns the original signature of the RuleFunction in string format.

Returns:

the original signature of the RuleFunction in string format

Since:

2.0.0

getParameterDescriptors

RuleFunction.ParameterDescriptor[] getParameterDescriptors()

Gets all the parameter descriptors for this rule function. Each ParameterDescriptor describe a parameter of this RuleFunction, except the last one, which has the name "returnValue" and describes the return type.

Returns:

a ParameterDescriptor[] for this RuleFunction.

Since:

2.0.0