Add persistence

Signed-off-by: Yuuta Liang <yuutaw@student.cs.ubc.ca>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/main/model/asn1/exceptions/InvalidDBException.java b/src/main/model/asn1/exceptions/InvalidDBException.java
new file mode 100644
index 0000000..4068a4b
--- /dev/null
+++ b/src/main/model/asn1/exceptions/InvalidDBException.java
@@ -0,0 +1,10 @@
+package model.asn1.exceptions;
+
+/**
+ * The database is invalid.
+ */
+public class InvalidDBException extends RuntimeException {
+    public InvalidDBException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}