Optimize sentiment analysis

Do not create a new prepared statement every time. Use an optimized
UPDATE query. Drop requirement for supplying a query.

1 files changed, 8 insertions, 3 deletions

diff --git a/src/main/FarmShell.java b/src/main/FarmShell.java
index 1266fd3..ed1a0ff 100644
--- a/src/main/FarmShell.java
+++ b/src/main/FarmShell.java
@@ -125,7 +125,12 @@ public class FarmShell {
                 System.out.println("not yet implemented");
                 break;
             case sentiment:
-                getAnalyzor().sentimentAnalysis(params[0]);
+                // if there is no query, update all unrated items.
+                if (params.length > 0) {
+                    getAnalyzor().sentimentAnalysis(params[0]);
+                } else {
+                    getAnalyzor().sentimentAnalysis("");
+                }
                 break;
             case wordcloud:
                 getAnalyzor().makeWordCloud(params[0]);
@@ -163,10 +168,10 @@ public class FarmShell {
     enum Command {
 
         filterbots("marks all users as bot or not", 1),
-        sentiment("analyzes all tweets on positivity (about a brand)", 1),
+        sentiment("analyzes all tweets on brand positivity (optional arg: tweet/brand selection query)"),
         wordcloud("makes a wordcloud of the text of the tweets", 1),
         getBrands("fills the database with the brands of a tweet"),
-        disco("makes a outputfile for disco",1),
+        disco("makes a outputfile for disco", 1),
         exit("Returns to shell"),
         help("Get help");