GVScriptConfig

Description

Defines the JSR-223 "Scripting for the Java Platform" Script engine/context initializers.

It's mostly referenced by the Script element.

Its sub-elements are:

• ScriptCache
• ScriptEngines

ScriptCache

Defines the script file cache configuration.

Its attributes are:

Attribute	Type	Description
base-path	optional	Base path for script files access. Default to $GV_HOME/scripts.

ScriptEngines

Defines the engine/context initializers.

ScriptEngine

Script Engine initializer. Usable script engine must at least have MULTITHREADED capability. If the script engine implements Compilable interface and the script DESN'T USE placeholders, the script itself is precompiled and reused for better performances. Script Engines dependency libraries must be prensent into GreenVulcano^® ESB classpath.

Its attributes are:

Attribute	Type	Description
type	fixed	script-engine.
lang	required	Script Engine language.
default-context	optional	If defined, refers to an included BaseContext to be used as default context initialized for the given language scripts.

Its sub-elements are:

• Description
• BaseContext

BaseContext

Basic Context initializer. A given context can contains pre-configured set of objects/functions, to be used in specific script executions.

Its attributes are:

Attribute	Type	Description
name	required	Initializer name.
file	optional	This attribute is the name of a file containing the script to parse/execute for initializing the context. The file path must be relative to $GV_HOME/scripts.

Follow an examples configuration of multiple scripting engines/context:

<GVScriptConfig name="SCRIPT" type="module">
    <ScriptCache base-path="sp{{gv.app.home}}/scripts"/>
    <ScriptEngines>
        <ScriptEngine lang="ognl" type="script-engine"/>
        <ScriptEngine lang="groovy" type="script-engine"/>
        <ScriptEngine default-context="gvesb" lang="jruby" type="script-engine">
            <BaseContext name="basic"/>
            <BaseContext file="jruby/initscope.rb" name="gvesb"/>
        </ScriptEngine>
        <ScriptEngine default-context="gvesb" lang="js" type="script-engine">
            <BaseContext file="js/initscope.js" name="gvesb"/>
            <BaseContext name="basic"/>
            <BaseContext file="js/initscope.js" name="JavaScriptRetriever"/>
        </ScriptEngine>
    </ScriptEngines>
</GVScriptConfig>