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diff --git a/src/site-docs/adoc/fragments/apex-policy-model/concept-logic.adoc b/src/site-docs/adoc/fragments/apex-policy-model/concept-logic.adoc new file mode 100644 index 000000000..250f8accf --- /dev/null +++ b/src/site-docs/adoc/fragments/apex-policy-model/concept-logic.adoc @@ -0,0 +1,30 @@ +// +// ============LICENSE_START======================================================= +// Copyright (C) 2016-2018 Ericsson. All rights reserved. +// ================================================================================ +// This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE +// Full license text at https://creativecommons.org/licenses/by/4.0/legalcode +// +// SPDX-License-Identifier: CC-BY-4.0 +// ============LICENSE_END========================================================= +// +// @author Sven van der Meer (sven.van.der.meer@ericsson.com) +// + +== Concept: Logic + +The __Logic__ concept instance holds the actual programmed task logic for a task defined in a __Task__ concept or the programmed task selection logic for a state defined in a __State__ concept. +It is keyed with a `ReferenceKey` key, which references the task or state that owns the logic. +The __LocalName__ field of the Logic concept is the name of the logic. + +The __LogicCode__ field of a Logic concept definition is a string that holds the program code that is to be executed at run time. +The __LogicType__ field defines the language of the code. +The standard values are the logic languages supported by APEX: + link:https://en.wikipedia.org/wiki/JavaScript[JAVASCRIPT], + link:https://java.com/en/[JAVA], + link:http://www.jython.org/[JYTHON], + link:http://jruby.org/[JRUBY], or + link:https://en.wikibooks.org/wiki/Transwiki:MVEL_Language_Guide[MVEL]. + +The APEX engine uses the __LogicType__ field value to decide which language interpreter to use for a task and then sends the logic defined in the __LogicCode__ field to that interpreter. + |