From c3121bfa6c00682173a7f1fba9d4c524b8ef517e Mon Sep 17 00:00:00 2001
From: Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com>
Date: Sun, 29 Dec 2019 16:49:43 +0100
Subject: Handle queries in state

---
 .../pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java     | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/main/java/pl/edu/mimuw/cloudatlas/agent/modules')

diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java
index a31f265..e8721b3 100644
--- a/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/agent/modules/Stanik.java
@@ -9,6 +9,7 @@ import pl.edu.mimuw.cloudatlas.agent.messages.GetStateMessage;
 import pl.edu.mimuw.cloudatlas.agent.messages.StateMessage;
 import pl.edu.mimuw.cloudatlas.agent.messages.StanikMessage;
 import pl.edu.mimuw.cloudatlas.agent.messages.UpdateAttributesMessage;
+import pl.edu.mimuw.cloudatlas.agent.messages.UpdateQueriesMessage;
 import pl.edu.mimuw.cloudatlas.model.Attribute;
 import pl.edu.mimuw.cloudatlas.model.AttributesMap;
 import pl.edu.mimuw.cloudatlas.model.PathName;
@@ -46,6 +47,9 @@ public class Stanik extends Module {
             case UPDATE_ATTRIBUTES:
                 handleUpdateAttributes((UpdateAttributesMessage) message);
                 break;
+            case UPDATE_QUERIES:
+                handleUpdateQueries((UpdateQueriesMessage) message);
+                break;
             default:
                 throw new InvalidMessageType("This type of message cannot be handled by Stanik");
         }
@@ -74,6 +78,17 @@ public class Stanik extends Module {
         }
     }
 
+    public void handleUpdateQueries(UpdateQueriesMessage message) {
+        for (Entry<Attribute, Entry<ValueQuery, ValueTime>> entry : message.getQueries().entrySet()) {
+            Attribute attribute = entry.getKey();
+            ValueTime timestamp = entry.getValue().getValue();
+            Entry<ValueQuery, ValueTime> currentTimestampedQuery = queries.get(attribute);
+            if (currentTimestampedQuery == null || valueLower(currentTimestampedQuery.getValue(), timestamp)) {
+                queries.put(entry.getKey(), entry.getValue());
+            }
+        }
+    }
+
     private boolean valueLower(Value a, Value b) {
         return ((ValueBoolean) a.isLowerThan(b)).getValue();
     }
-- 
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