ru.histone.v2.evaluator.function.global

Class Eval

java.lang.Object

ru.histone.v2.evaluator.function.AbstractFunction

ru.histone.v2.evaluator.function.global.Eval

All Implemented Interfaces:

Function

public class Eval
extends AbstractFunction

Author:

Alexey Nevinsky

Field Summary

Fields inherited from class ru.histone.v2.evaluator.function.AbstractFunction

converter, evaluator, executor, logger, parser, resourceLoader

Constructor Summary

Constructors

Constructor and Description
Eval(Executor executor, HistoneResourceLoader resourceLoader, Evaluator evaluator, Parser parser, Converter converter)

Method Summary

Modifier and Type	Method and Description
protected CompletableFuture<EvalNode>	doExecute(Context context, List<EvalNode> args)
CompletableFuture<EvalNode>	execute(Context context, List<EvalNode> args) Method returns CompletableFuture with result of execution.
String	getName() Return function name
protected ExpAstNode	processTemplate(String template, String baseURI)

Methods inherited from class ru.histone.v2.evaluator.function.AbstractFunction

checkMaxArgsLength, checkMinArgsLength, checkTypes, checkTypes, clearGlobal, createCtx, getLongValue, getValue, getValue, isAsync, isClear

Methods inherited from class java.lang.Object

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

Constructor Detail

Eval

public Eval(Executor executor,
            HistoneResourceLoader resourceLoader,
            Evaluator evaluator,
            Parser parser,
            Converter converter)

Method Detail

getName

public String getName()

Description copied from interface: Function

Return function name

Returns:

function name

execute

public CompletableFuture<EvalNode> execute(Context context,
                                           List<EvalNode> args)
                                    throws FunctionExecutionException

Description copied from interface: Function

Method returns CompletableFuture with result of execution.

args - arguments from Histone template

Returns:

result as one of Histone types

Throws:

FunctionExecutionException - if your function stops with error and you need to put details into log, then you should use this exception

doExecute

protected CompletableFuture<EvalNode> doExecute(Context context,
                                                List<EvalNode> args)
                                         throws FunctionExecutionException

Throws:

FunctionExecutionException

processTemplate

protected ExpAstNode processTemplate(String template,
                                     String baseURI)