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Poll
For ERP LN feature pack upgrade, what method of install are you using?
Installation Wizard into existing VRC
38%
Installation Wizard into new VRC
38%
Manual into existing VRC
5%
Manual into new VRC
19%
Total votes: 42

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Predefined variables
By patvdv at 26 Feb 2008 - 21:57


Predefined variables

The following is a list of the predefined variables available to programmers. Variables specific to a particular function or group of functions are listed with those functions.

4 = 4GL only; R = Read-only; D = Deprecated (do not use anymore)

Type

Name

Attr.

0
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Document Information
By patvdv at 26 Feb 2008 - 21:57

A publication of

Baan Development B.V.
P.O.Box 143
3770 AC Barneveld
The Netherlands
© Baan Development B.V. 2003
All rights reserved.
The information in this document is subject to change without notice. No part of this document may be reproduced, stored or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of Baan Development B.V.

4.666665
Average: 4.7 (3 votes)

Bshell scheduler
By patvdv at 26 Feb 2008 - 21:57

Bshell scheduler

The bshell scheduler is responsible for managing and scheduling processes. It maintains four process queues, as follows:

  • running queue
  • blocking queue
  • sleeping queue
  • terminating queue

The scheduler keeps all processes in one or other of the above process queues, depending on their current state.

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Context switches
By patvdv at 26 Feb 2008 - 21:57


Context switches

Each running process receives a number of ticks when it is scheduled. This is the equivalent of a UNIX time slice. The execution of each instruction costs the process a number of ticks. When the process has used up all its ticks, the bshell schedules another process. The switch to another process is referred to as a context switch.

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Events
By patvdv at 26 Feb 2008 - 21:57

Events

BaanERP programs are designed to respond to events. Usually, they consist of a main loop that waits for events to occur. When an event occurs, the program performs the appropriate actions to process the event. It then returns to its waiting state.

Event types

There are four broad categories of events, as listed below. For a full list of event types, see Event types.

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Multitasking and the GUI
By patvdv at 26 Feb 2008 - 21:57

Multitasking and the GUI

The BAAN bshell provides the execution environment for BAAN applications. Whenever a user logs on to the BAAN system, a separate bshell process is activated for that user. So, when multiple users log on to the same BAAN system, or when the same user logs on multiple times, multiple bshell processes are activated on the execution platform.

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Get data of a Node
By patvdv at 26 Feb 2008 - 21:57

Get data of a Node

Synopsis

long xmlGetData(long node, ref string data)

XML library function

Description

Get the data of a node. When node is of type XML_DATA or XML_PI, only the data from this node is obtained. When node is of type XML_ELEMENT or XML_DTD, the data from all child XML_DATA and XML_PI nodes is concatenated.

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XML object synopsis
By patvdv at 26 Feb 2008 - 21:57

XML object synopsis

 
3GL/4GL function
XML library function

Verify the used characters

long xmlContainsValidCharactersOnly(string inputstring)

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Get data of all Elements
By patvdv at 26 Feb 2008 - 21:57

Get data of all Elements

Synopsis

long xmlGetDataElement(long node, string name, ref string data)

XML library function

int xmlGetDataElement(XmlNodePointer _pNode, char *name, char *value, int sizeOfValue);

Description

For each child XML_ELEMENT node that has a name equal to name, get the data contained in XML_DATA child nodes. The data from all matching nodes is concatenated.

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Unlink and Add Nodes
By patvdv at 26 Feb 2008 - 21:57

Unlink and Add Nodes

Synopsis

long xmlAdd(long destinationNode, long fromNode, [ long toNode ])

XML library function

XmlNodePointer xmlMoveListAndAdd(XmlNodePointer _pFrom, XmlNodePointer _pTo, XmlNodePointer _pDest);

Description

Unlink a tree or a list of trees and add this list to a new list after the node referred to by destinationNode.

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