Abstracting out Cassandra.

1 files changed, 36 insertions, 0 deletions

diff --git a/src/com/p4square/grow/backend/GrowData.java b/src/com/p4square/grow/backend/GrowData.java
new file mode 100644
index 0000000..293bb88
--- /dev/null
+++ b/src/com/p4square/grow/backend/GrowData.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2014 Jesse Morgan
+ */
+
+package com.p4square.grow.backend;
+
+import com.p4square.grow.backend.feed.FeedDataProvider;
+import com.p4square.grow.model.Playlist;
+import com.p4square.grow.provider.ProvidesAssessments;
+import com.p4square.grow.provider.ProvidesQuestions;
+import com.p4square.grow.provider.ProvidesStrings;
+import com.p4square.grow.provider.ProvidesTrainingRecords;
+import com.p4square.grow.provider.ProvidesUserRecords;
+import com.p4square.grow.provider.ProvidesVideos;
+
+/**
+ * Aggregate of the data provider interfaces.
+ *
+ * Used by GrowBackend to swap out implementations of the providers.
+ *
+ * @author Jesse Morgan <jesse@jesterpm.net>
+ */
+interface GrowData extends ProvidesQuestions, ProvidesTrainingRecords, ProvidesVideos,
+                                   FeedDataProvider, ProvidesUserRecords, ProvidesStrings,
+                                   ProvidesAssessments {
+
+    /**
+     * Start the data provider.
+     */
+    void start() throws Exception;
+
+    /**
+     * Stop the data provider.
+     */
+    void stop() throws Exception;
+}