org.kie.dmn.feel.lang.impl

Class FEELImpl

java.lang.Object

org.kie.dmn.feel.lang.impl.FEELImpl

All Implemented Interfaces:

FEEL

public class FEELImpl
extends Object
implements FEEL

Language runtime entry point

Constructor Summary

Constructors

Constructor and Description
FEELImpl()

Method Summary

Modifier and Type	Method and Description
CompiledExpression	compile(String expression, CompilerContext ctx) Compiles the string expression using the given compiler context.
Object	evaluate(CompiledExpression expr, Map<String,Object> inputVariables) Evaluates the given compiled FEEL expression using the given input variables, and returns the result
Object	evaluate(String expression) Evaluates the given FEEL expression and returns the result
Object	evaluate(String expression, Map<String,Object> inputVariables) Evaluates the given FEEL expression using the given input variables, and returns the result
CompilerContext	newCompilerContext() Factory method to create a new compiler context

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.kie.dmn.feel.FEEL

newInstance

Constructor Detail

FEELImpl

public FEELImpl()

Method Detail

newCompilerContext

public CompilerContext newCompilerContext()

Description copied from interface: FEEL

Factory method to create a new compiler context

Specified by:

newCompilerContext in interface FEEL

Returns:

compiler context with default options set

compile

public CompiledExpression compile(String expression,
                                  CompilerContext ctx)

Description copied from interface: FEEL

Compiles the string expression using the given compiler context.

Specified by:

compile in interface FEEL

Parameters:

expression - a FEEL expression

ctx - a compiler context

Returns:

the compiled expression

evaluate

public Object evaluate(String expression)

Description copied from interface: FEEL

Evaluates the given FEEL expression and returns the result

Specified by:

evaluate in interface FEEL

Parameters:

expression - a FEEL expression

Returns:

the result of the evaluation of the expression

evaluate

public Object evaluate(String expression,
                       Map<String,Object> inputVariables)

Description copied from interface: FEEL

Evaluates the given FEEL expression using the given input variables, and returns the result

Specified by:

evaluate in interface FEEL

Parameters:

expression - a FEEL expression

inputVariables - a map of input Variables. The keys on the map are the variable names, that need to follow the naming rules for the FEEL language. The values on the map are the corresponding values for the variables. It is completely fine to use a previously returned FEEL context as inputVariables.

Returns:

the result of the evaluation of the expression.

evaluate

public Object evaluate(CompiledExpression expr,
                       Map<String,Object> inputVariables)

Description copied from interface: FEEL

Evaluates the given compiled FEEL expression using the given input variables, and returns the result

Specified by:

evaluate in interface FEEL

Parameters:

expr - a FEEL expression

inputVariables - a map of input Variables. The keys on the map are the variable names, that need to follow the naming rules for the FEEL language. The values on the map are the corresponding values for the variables. It is completely fine to use a previously returned FEEL context as inputVariables.

Returns:

the result of the evaluation of the expression.