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agl debitor metric service

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This commit is contained in:
Ralph Soika 2024-11-30 18:28:58 +01:00
parent d5d4b21434
commit 633bcdd3d6
1 changed files with 31 additions and 7 deletions
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38
office-alexander-logistics-app/src/main/java/com/alexanderlogistics/MetricDebitorService.java
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@ -18,13 +18,22 @@ import org.imixs.workflow.exceptions.QueryException;
import jakarta.annotation.security.DeclareRoles;
import jakarta.annotation.security.RolesAllowed;
import jakarta.annotation.security.RunAs;
import jakarta.ejb.TransactionAttribute;
import jakarta.ejb.TransactionAttributeType;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.enterprise.event.Observes;
import jakarta.inject.Inject;
/**
* Dieser Service reagiert auch ProcessingEvents und speichert/aktualisert die
* Dieser Service reagiert auch ProcessingEvents und speichert/aktualisiert die
* zugehörige Debitoren Metric Entity.
* <p>
* Der Service liest in einem AFTER_PROCESS Event den alten invoice.saldo aus.
* Hierzu wird die Rechnung in einer neuen Transaktion geladen was einem
* 'Dirty-Read' entspricht. Dadurch kennt die Methode den letzten saldo der
* Rechnung. Hat sich nun der aktuelle Saldo geändert, aktualisiert der Serivce
* die entsprechende Metric.
*
*
*/
@DeclareRoles({ "org.imixs.ACCESSLEVEL.NOACCESS", "org.imixs.ACCESSLEVEL.READERACCESS",
@ -42,7 +51,6 @@ public class MetricDebitorService {
public static final String METRIC_INVOICES = "invoices";
public static final String TYPE_METRIC_DEBITOR = "metric.debitor";
public static final String ITEM_LAST_METRIC = "metric.saldo";
public static final String ITEM_SALDO = "invoice.saldo";
@Inject
@ -68,7 +76,8 @@ public class MetricDebitorService {
// verify if saldo has changed.....
double invoiceSaldo = invoice.getItemValueDouble(ITEM_SALDO);
if (invoiceSaldo == invoice.getItemValueDouble(ITEM_LAST_METRIC)) {
double lastInvoiceSaldo = readDirtySaldo(invoice.getUniqueID());
if (invoiceSaldo == lastInvoiceSaldo) {
// no change - no metric update!
return;
}
@ -82,9 +91,9 @@ public class MetricDebitorService {
// Saldo-Berechnung wie bisher
debitorSaldo = metric.getItemValueDouble(ITEM_SALDO);
if (invoice.hasItem(ITEM_LAST_METRIC)) {
debitorSaldo = debitorSaldo - invoice.getItemValueDouble(ITEM_LAST_METRIC);
}
debitorSaldo = debitorSaldo - lastInvoiceSaldo;
// update debitor saldo
debitorSaldo = InvoiceUtil.round(debitorSaldo + invoiceSaldo);
// Speichern in der Datenbank
@ -100,6 +109,21 @@ public class MetricDebitorService {
}
}
/**
* This helper method reads the 'dirty' saldo in a new transaction. This is used
* for calculating the new total saldo
*
* @param uniqueid
*/
@TransactionAttribute(value = TransactionAttributeType.REQUIRES_NEW)
public double readDirtySaldo(String uniqueid) {
double result = 0;
ItemCollection dirtyInvoice = documentService.load(uniqueid);
result = dirtyInvoice.getItemValueDouble(ITEM_SALDO);
logger.info("---Dirty last Saldo was : " + result);
return result;
}
/**
* This method loads a metric entity. If no metric entity exits, the method
* creates a new one.
@ -142,7 +166,7 @@ public class MetricDebitorService {
* verwendet.
*
*/
public void initMetric(ItemCollection metric) {
protected void initMetric(ItemCollection metric) {
String dbtrNumber = metric.getItemValueString("dbtr.number");
double saldo = metric.getItemValueDouble(ITEM_SALDO);