Introduced experimental X-Index-Revision header
Change-Id: Ida1bf82a59217ff8953cef0e1e5e2c5276f04a39
diff --git a/core/src/main/java/de/ids_mannheim/korap/service/SearchService.java b/core/src/main/java/de/ids_mannheim/korap/service/SearchService.java
index a40cbda..2d414f9 100644
--- a/core/src/main/java/de/ids_mannheim/korap/service/SearchService.java
+++ b/core/src/main/java/de/ids_mannheim/korap/service/SearchService.java
@@ -437,5 +437,11 @@
"Admin token is incorrect");
}
}
-
+
+ /**
+ * Return the fingerprint of the latest index revision.
+ */
+ public String getIndexFingerprint () {
+ return searchKrill.getIndexFingerprint();
+ }
}
diff --git a/core/src/main/java/de/ids_mannheim/korap/service/StatisticService.java b/core/src/main/java/de/ids_mannheim/korap/service/StatisticService.java
index 694e57b..ef016a1 100644
--- a/core/src/main/java/de/ids_mannheim/korap/service/StatisticService.java
+++ b/core/src/main/java/de/ids_mannheim/korap/service/StatisticService.java
@@ -95,4 +95,11 @@
}
return stats;
}
+
+ /**
+ * Return the fingerprint of the latest index revision.
+ */
+ public String getIndexFingerprint () {
+ return searchKrill.getIndexFingerprint();
+ }
}
diff --git a/core/src/main/java/de/ids_mannheim/korap/web/SearchKrill.java b/core/src/main/java/de/ids_mannheim/korap/web/SearchKrill.java
index bac5912..8096c77 100644
--- a/core/src/main/java/de/ids_mannheim/korap/web/SearchKrill.java
+++ b/core/src/main/java/de/ids_mannheim/korap/web/SearchKrill.java
@@ -359,4 +359,15 @@
.append(textID);
return sb.toString();
};
+
+ /**
+ * Return the fingerprint of the latest index revision.
+ */
+ public String getIndexFingerprint() {
+ if (index != null) {
+ return index.getFingerprint();
+ };
+ return "null";
+ }
+
};
diff --git a/core/src/main/java/de/ids_mannheim/korap/web/controller/SearchController.java b/core/src/main/java/de/ids_mannheim/korap/web/controller/SearchController.java
index 3329a4f..128a0de 100644
--- a/core/src/main/java/de/ids_mannheim/korap/web/controller/SearchController.java
+++ b/core/src/main/java/de/ids_mannheim/korap/web/controller/SearchController.java
@@ -71,7 +71,10 @@
@GET
@Path("{version}")
public Response index (){
- return Response.ok(config.getApiWelcomeMessage()).build();
+ return Response
+ .ok(config.getApiWelcomeMessage())
+ .header("X-Index-Revision", searchService.getIndexFingerprint())
+ .build();
}
@POST
diff --git a/core/src/main/java/de/ids_mannheim/korap/web/controller/StatisticController.java b/core/src/main/java/de/ids_mannheim/korap/web/controller/StatisticController.java
index 9105af3..229fb08 100644
--- a/core/src/main/java/de/ids_mannheim/korap/web/controller/StatisticController.java
+++ b/core/src/main/java/de/ids_mannheim/korap/web/controller/StatisticController.java
@@ -82,7 +82,11 @@
if (DEBUG) {
jlog.debug("Stats: " + stats);
}
- return Response.ok(stats).build();
+
+ return Response
+ .ok(stats)
+ .header("X-Index-Revision", service.getIndexFingerprint())
+ .build();
}
catch (KustvaktException e) {
throw kustvaktResponseHandler.throwit(e);
@@ -96,7 +100,10 @@
String koralQuery) {
try {
String stats = service.retrieveStatisticsForKoralQuery(koralQuery);
- return Response.ok(stats).build();
+ return Response
+ .ok(stats)
+ .header("X-Index-Revision", service.getIndexFingerprint())
+ .build();
}
catch (KustvaktException e) {
throw kustvaktResponseHandler.throwit(e);