Add licensing fields

src/main/java/com/tenduke/events/api/model/data/LicenseAnchorIdFields.java

@@ -0,0 +1,23 @@
+package com.tenduke.events.api.model.data;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+
+/**
+ * Event data fields for identifying a license anchor.
+ * @author jarkko
+ */
+@JsonInclude(JsonInclude.Include.NON_NULL)
+public interface LicenseAnchorIdFields {
+
+    /**
+     * Gets the license anchor type.
+     * @return The license anchor object type name.
+     */
+    String getLicenseAnchorType();
+
+    /**
+     * Gets identifier of the license anchor.
+     * @return The license anchor object id.
+     */
+    String getLicenseAnchorId();
+}

src/main/java/com/tenduke/events/api/model/data/LicenseFields.java

@@ -15,9 +15,38 @@ public interface LicenseFields {
      */
     String getLicenseId();
 
+    /**
+     * The licensed item identifier.
+     * @return the licensed item id.
+     */
+    String getLicensedItemId();
+
     /**
      * Unique id of entitlement that the license belongs to.
      * @return the entitlement id.
      */
     String getEntitlementId();
+
+    /**
+     * <p>
+     * Id of organization owning the license.
+     * </p>
+     * <p>
+     * License owner organization and license owner user are mutually exclusive,
+     * only one of them is set.
+     * </p>
+     * @return the organization id.
+     */
+    String getLicenseOwnerOrganizationId();
+
+    /**
+     * <p>
+     * Id of user owning the license.
+     * </p>
+     * <p>
+     * License owner organization and license owner user are mutually exclusive,
+     * only one of them is set.
+     * </p>
+     */
+    String getLicenseOwnerUserId();
 }

src/main/java/com/tenduke/events/api/model/data/LicenseLeaseFields.java

@@ -20,5 +20,5 @@ public interface LicenseLeaseFields extends LicenseFields {
      * Gets the license anchors that a license can be tied to.
      * @return the license anchors.
      */
-    List<Object> getLicenseAnchors();
+    List<LicenseAnchorIdFields> getLicenseAnchors();
 }

src/main/java/com/tenduke/events/api/model/data/UserIdFields.java

@@ -3,7 +3,7 @@
 import com.fasterxml.jackson.annotation.JsonInclude;
 
 /**
- * Event data user id field.
+ * Event data user identification fields.
  * @author jarkko
  */
 @JsonInclude(JsonInclude.Include.NON_NULL)