DatabaseService that uses Copycat Raft to provide a strongly consistent and durable database.
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/service/DatabaseException.java b/core/store/dist/src/main/java/org/onlab/onos/store/service/DatabaseException.java
new file mode 100644
index 0000000..bbc2daf
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/service/DatabaseException.java
@@ -0,0 +1,22 @@
+package org.onlab.onos.store.service;
+
+/**
+ * Base exception type for database failures.
+ */
+@SuppressWarnings("serial")
+public class DatabaseException extends RuntimeException {
+ public DatabaseException(String message, Throwable t) {
+ super(message, t);
+ }
+
+ public DatabaseException(String message) {
+ super(message);
+ }
+
+ public DatabaseException(Throwable t) {
+ super(t);
+ }
+
+ public DatabaseException() {
+ };
+}
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