pro.fessional.meepo.poof.impl.map

Class MapEngine

java.lang.Object

pro.fessional.meepo.poof.impl.map.MapEngine

All Implemented Interfaces:

RnaEngine

public class MapEngine
extends Object
implements RnaEngine

Get value from `context`, `System.getProperty` and `System.getenv` in order.

Since:

2020-10-15

Author:

trydofor

Constructor Summary

Constructors

Constructor and Description
MapEngine()

Method Summary

Modifier and Type	Method and Description
Object	eval(@NotNull Map<String,Object> ctx, @NotNull RnaWarmed expr, boolean mute) Evaluate the function body
@NotNull RnaEngine	fork() Create a new engine.
@NotNull String[]	type() Types can be executed by this engine.
@NotNull RnaWarmed	warm(@NotNull String type, @NotNull String expr) During the parsing phase, warm up the function body, such as syntax checking, pre-compilation, etc.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapEngine

public MapEngine()

Method Detail

type

@NotNull
public @NotNull String[] type()

Description copied from interface: RnaEngine

Types can be executed by this engine. `*` means any

Specified by:

type in interface RnaEngine

warm

@NotNull
public @NotNull RnaWarmed warm(@NotNull
                                        @NotNull String type,
                                        @NotNull
                                        @NotNull String expr)

Description copied from interface: RnaEngine

During the parsing phase, warm up the function body, such as syntax checking, pre-compilation, etc. An `expr` should only be warmed up once

Specified by:

warm in interface RnaEngine

Parameters:

type - engine type

expr - function body

Returns:

warmed engine with info of waring or null

eval

public Object eval(@NotNull
                   @NotNull Map<String,Object> ctx,
                   @NotNull
                   @NotNull RnaWarmed expr,
                   boolean mute)

Description copied from interface: RnaEngine

Evaluate the function body

Specified by:

eval in interface RnaEngine

Parameters:

ctx - the execution context

expr - expression of the function body

mute - whether to ignore error

Returns:

the result

fork

@NotNull
public @NotNull RnaEngine fork()

Description copied from interface: RnaEngine

Create a new engine. The context of the parent engine can be copied or shared.

Specified by:

fork in interface RnaEngine