AxdBase.read Method [AX 2012]

Reads a posted transaction from the database and writes it to an XML string.

Syntax

public AifDocumentXml read(
    AifEntityKey _entityKey, 
    AifSchemaInfo _xsdInfo, 
    AifEndpointActionPolicyInfo _actionPolicyInfo, 
    AifConstraintList _constraintList, 
    AifPropertyBag _aifPropertyBag)

Run On

Server

Parameters

_entityKey: Type: AifEntityKey Class
An entity key that identifies the transaction to be read.

_xsdInfo: Type: AifSchemaInfo Class
An instance of the AifSchemaInfo Class, where it is possible to specify the XSD schema to use for filtering.

_actionPolicyInfo: Type: AifEndpointActionPolicyInfo Class
An instance of the AifEndpointActionPolicyInfo Class, to specify the value mapping to perform. This class can be empty if no value mapping is to occur.

_constraintList: Type: AifConstraintList Class
A list that contains the constraints that are identified in the document.
The _constraintList parameter must be an instantiated, empty AifConstraintList Class. It will be populated when the read method is run.

_aifPropertyBag: Type: AifPropertyBag Extended Data Type
An instance of the AifPropertyBag Extended Data Type that contains an XMLDocPurpose Enumeration. It specifies whether the document is an original, a duplicate, a pro forma or a snapshot.

Return Value

Type: AifDocumentXml Extended Data Type
An XML string that contains the data of the transaction.

The read method is implemented on the AxdBase Class. If a document does not provide the corresponding action type (SendDocument), the read method must be overridden on the document class for the read method to throw an error if called. For example, AxdSalesPackingSlip.read method.

Examples

The following example shows how to read a purchase requisition in Microsoft Dynamics AX into PurchaseRequisition.xml.

X++

    AxdBase                     axdBase =  
  AxdBase::newClassId(classnum(AxdPurchaseRequisition)); 
    AifEntityKey                aifEntityKey; 
    Map                         keyData; 
    VendPurchOrderJour          vendPurchOrderJour; 
    AifDocumentXml              xml; 
    AifSchemaInfo               xsdInfo; 
    AifEndpointActionPolicyInfo actionPolicyInfo = new  
  AifEndpointActionPolicyInfo(); 
    AifConstraintList           constraintList = new  
  AifConstraintList(); 
    AifPropertyBag              propertyBag; 
 
    // Find purchase order record. 
    select firstonly vendPurchOrderJour; 
 
    // Create Key Data. 
    keyData = SysDictTable::getKeyData(vendPurchOrderJour); 
 
    // Create Entity Key. 
    aifEntityKey = AifEntityKey::construct(); 
    aifEntityKey.parmKeyDataMap(keyData); 
 
    propertyBag = [XMLDocPurpose::Proforma]; 
    xml = axdBase.read(aifEntityKey, xsdInfo, actionPolicyInfo,  
  constraintList, propertyBag);

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