ru.histone.v2.evaluator.function.global

Class LoadText

java.lang.Object

ru.histone.v2.evaluator.function.AbstractFunction

ru.histone.v2.evaluator.function.global.LoadText

All Implemented Interfaces:

Function

Direct Known Subclasses:

AsyncLoadText, LoadJson

public class LoadText
extends AbstractFunction

Author:

Alexey Nevinsky

Field Summary

Fields

Modifier and Type	Field and Description
protected com.fasterxml.jackson.databind.ObjectMapper	mapper

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

converter, evaluator, executor, logger, parser, resourceLoader

Constructor Summary

Constructors

Constructor and Description
LoadText(Executor executor, HistoneResourceLoader loader, Evaluator evaluator, Parser parser, Converter converter)

Method Summary

Modifier and Type	Method and Description
protected EvalNode	convertToJson(EvalNode res)
CompletableFuture<EvalNode>	execute(Context context, List<EvalNode> args) Method returns CompletableFuture with result of execution.
protected Object	fromJSON(String json)
String	getName() Return function name
protected Map<String,Object>	getParamsMap(Context context, EvalNode requestMap)
protected CompletableFuture<EvalNode>	loadResource(Context context, String path, Map<String,Object> params)

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

Field Detail

mapper

protected com.fasterxml.jackson.databind.ObjectMapper mapper

Constructor Detail

LoadText

public LoadText(Executor executor,
                HistoneResourceLoader loader,
                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

loadResource

protected CompletableFuture<EvalNode> loadResource(Context context,
                                                   String path,
                                                   Map<String,Object> params)

getParamsMap

protected Map<String,Object> getParamsMap(Context context,
                                          EvalNode requestMap)

convertToJson

protected EvalNode convertToJson(EvalNode res)

fromJSON

protected Object fromJSON(String json)