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Page properties

Author

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1		-XWiki.pdubois
	1	+XWiki.mgasco

Content

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1	1	= Operations =
2	2
3		-Operations are ?Functions? that apply on the entity (on one entity or a set of entities).
	3	+Operations are "Functions" that apply on the entity (on one entity or a set of entities).
4	4	For example the "Save" operation stores the entity in the database.
5	5
6	6	Operations can be as simple as the "Save" operation or much more complex like "Decrease inventory level when an item is taken out of the stock".
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20	20	Operations are build of a series of steps. Those steps are executed in the specified order.
21	21
22	22	Steps can be:
	23	+
23	23	* Parent: calls the operation of the parent entity when the entity is a derived entity.
24	24	* Database step: This can be save, search, load, count and delete.
25	25	* Document step: Manipulates the entity in memory: New or Copy
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27	27	* Workflow: triggers a workflow
28	28	* Script: Certainly the most important type. Using javascript you can query, update, delete all entities in the database.
29	29
30		-
31	31	= Operations and Scripting =
32	32
33	33	Script steps are used to manipulate entities. Scripts can be as simple as:
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41	41
42	42	You may call operations in scripts. Operations are methods of the entity.
43	43
44		-
45	45	{{code language="JavaScript"}}
46	46	// simple operation calls
47	47	var e = myEntity.New();
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49	49	e.Save();
50	50	{{/code}}
51	51
	51	+
52	52	In this example, New and Save are 2 operations.
53	53
54	54
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73	73
74	74	{{code language="JavaScript"}}
75	75	// set referential entity
76		-var paul = rqEmployee.Get(?233455667775444?); // Get by sysId
77		-var e = myEntity.Get(?45566777553434556?);
	76	+var paul = rqEmployee.Get("233455667775444"); // Get by sysId
	77	+var e = myEntity.Get("45566777553434556");
78	78	e.myRefProp = paul;
79	79	e.Save();
80	80
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91	91	e.Save();
92	92	{{/code}}
93	93
94		-

img13.png

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