Package org.drools.core.spi

Interface ReturnValueExpression

All Superinterfaces:

Invoker, RuleComponent

All Known Subinterfaces:

ReturnValueStub

All Known Implementing Classes:

ReturnValueExpression.SafeReturnValueExpression

public interface ReturnValueExpression
extends Invoker

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	ReturnValueExpression.SafeReturnValueExpression

Method Summary

Modifier and Type	Method	Description
Object	createContext()
FieldValue	evaluate(InternalFactHandle handle, Tuple tuple, Declaration[] previousDeclarations, Declaration[] localDeclarations, WorkingMemory workingMemory, Object context)
static boolean	isCompiledInvoker(ReturnValueExpression expression)
void	replaceDeclaration(Declaration declaration, Declaration resolved)

Method Detail

createContext

Object createContext()

evaluate

FieldValue evaluate(InternalFactHandle handle,
                    Tuple tuple,
                    Declaration[] previousDeclarations,
                    Declaration[] localDeclarations,
                    WorkingMemory workingMemory,
                    Object context)
             throws Exception

Throws:

Exception

replaceDeclaration

void replaceDeclaration(Declaration declaration,
                        Declaration resolved)

isCompiledInvoker

static boolean isCompiledInvoker(ReturnValueExpression expression)