Changeset 809 for trunk/grails-app/domain/TaskProcedure.groovy

Timestamp:

Feb 16, 2011, 8:10:39 PM (14 years ago)

Author:

gav

Message:

Domain change, first draft of TaskProcedureRevisions.

File:

• trunk/grails-app/domain/TaskProcedure.groovy (modified) (3 diffs)

trunk/grails-app/domain/TaskProcedure.groovy

@@ -5 +5 @@
 
     Task linkedTask
-    Person createdBy
-    Person lastUpdatedBy
-    Date dateCreated = new Date() // autoTimestamp
-    Date lastUpdated = new Date() // autoTimestamp
 
     def getDescription() { linkedTask.description }
@@ -15 +11 @@
     List maintenanceActions = new ArrayList()
     List documentReferences = new ArrayList()
+    List revisions = new ArrayList()
 
-    static hasMany = [tasks: Task,
-                                    maintenanceActions: MaintenanceAction,
-                                    documentReferences: DocumentReference]
+    static hasMany = [maintenanceActions: MaintenanceAction,
+                                    documentReferences: DocumentReference,
+                                    revisions: TaskProcedureRevision]
 
     def getMaintenanceActionLazyList() {
@@ -28 +25 @@
     }
 
-    static mappedBy = [tasks:"taskProcedure"]
+    // The current revision number is equal to the count of the revisions created.
+    // More efficient than loading the entire revisions list and using size().
+    // WithTransaction is used to allow calling in a transaction however objects
+    // in the current transaction must not trigger DataIntegrityViolationException.
+    def getRevision() {
+        def revision
+        TaskProcedure.withTransaction {
+            revision = TaskProcedureRevision.countByTaskProcedure(this)
+        }
+        return revision
+    }
+
+    // Get a specific revision.
+    def getRevision(revision) {
+        def taskProcedureRevision
+        TaskProcedure.withTransaction {
+            taskProcedureRevision = TaskProcedureRevision.findByTaskProcedureAndRevision(this, revision)
+        }
+        return taskProcedureRevision
+    }
+
+    // Get the latest revision of this procedure.
+    def getLatestRevision() {
+        def taskProcedureRevision
+        TaskProcedure.withTransaction {
+            taskProcedureRevision = TaskProcedureRevision.findByTaskProcedureAndRevision(this, this.revision)
+        }
+        return taskProcedureRevision
+    }
 
     static mapping = {
+        linkedTask lazy:false
+        revisions batchSize: 10
         maintenanceActions cascade:"all-delete-orphan"
         documentReferences cascade:"all-delete-orphan"
+        revisions cascade:"all-delete-orphan"
     }