[Minor] Added missing writing of Parameter attributes

src/main/java/li/strolch/model/xml/OrderToSaxWriterVisitor.java

@@ -38,6 +38,7 @@ public class OrderToSaxWriterVisitor extends AbstractToSaxWriterVisitor implemen
 	public void visit(Order order) {
 		try {
 			writeElement(Tags.ORDER, order);
+			this.writer.flush();
 		} catch (XMLStreamException e) {
 			String msg = "Failed to write Order {0} due to {1}"; //$NON-NLS-1$
 			msg = MessageFormat.format(msg, order.getLocator(), e.getMessage());

src/main/java/li/strolch/model/xml/ResourceToSaxWriterVisitor.java

@@ -38,6 +38,7 @@ public class ResourceToSaxWriterVisitor extends AbstractToSaxWriterVisitor imple
 	public void visit(Resource resource) {
 		try {
 			writeElement(Tags.RESOURCE, resource);
+			this.writer.flush();
 		} catch (XMLStreamException e) {
 			String msg = "Failed to write Resource {0} due to {1}"; //$NON-NLS-1$
 			msg = MessageFormat.format(msg, resource.getLocator(), e.getMessage());

src/main/java/li/strolch/model/xml/XmlModelSaxReader.java

@@ -206,6 +206,24 @@ public class XmlModelSaxReader extends DefaultHandler {
 		public int nrOfResources;
 		public int nrOfOrders;
 
+		/**
+		 * @return the nrOfOrders
+		 */
+		public int getNrOfOrders() {
+			return this.nrOfOrders;
+		}
+
+		/**
+		 * @return the nrOfResources
+		 */
+		public int getNrOfResources() {
+			return this.nrOfResources;
+		}
+
+		public long getNrOfElements() {
+			return this.nrOfOrders + this.nrOfResources;
+		}
+
 		@Override
 		public String toString() {
 			StringBuilder builder = new StringBuilder();