update

opentcs-api-base/src/main/java/org/opentcs/drivers/vehicle/VehicleProcessModel.java

@@ -91,6 +91,14 @@ public class VehicleProcessModel {
    * The vehicle's current bounding box.
    */
   private BoundingBox boundingBox;
+  /**
+   * 当前车辆级别
+   */
+  private Vehicle.IntegrationLevel integrationLevel;
+  /**
+   * 载货状态
+   */
+  private Boolean loadState;
 
   /**
    * Creates a new instance.
@@ -661,6 +669,7 @@ public class VehicleProcessModel {
       @Nonnull
       Vehicle.IntegrationLevel level
   ) {
+    integrationLevel = level;
     getPropertyChangeSupport().firePropertyChange(
         Attribute.INTEGRATION_LEVEL_CHANGE_REQUESTED.name(),
         null,
@@ -668,6 +677,14 @@ public class VehicleProcessModel {
     );
   }
 
+  /**
+   * 获取车辆级别
+   * @return 车辆级别
+   */
+  public Vehicle.IntegrationLevel getIntegrationLevel() {
+    return integrationLevel;
+  }
+
   /**
    * Notifies observers that the vehicle would like to have its current transport order withdrawn.
    *