initial commit with everything

2024-02-14 11:33:04 -05:00
parent 2c4360df9b
commit b011a30ab6
292 changed files with 606599 additions and 0 deletions
@@ -0,0 +1,171 @@
+package cs448;
+
+import org.mapdb.DB;
+import org.mapdb.DBMaker;
+import org.mapdb.Serializer;
+
+import java.io.IOException;
+import java.util.Dictionary;
+import java.util.HashMap;
+import java.util.Hashtable;
+import java.util.Scanner;
+import java.util.concurrent.ConcurrentMap;
+import java.io.File;
+import java.lang.StringBuilder;
+
+/**
+ * A class to compare different storage backends.
+ *
+ * @author Sean Rettig
+ * @version January 22, 2024
+ */
+
+
+public class project1 {
+
+    /* Data structure for Main-memory back-end */
+    HashMap<String,Dictionary<String, String>> mm_map = new HashMap<String,Dictionary<String, String>>();
+
+    /* Data structure for MapDB persistent storage*/
+    String dbfile = "data.db";
+    DB db = DBMaker.fileDB(dbfile).make();
+
+    // use this for MapDB storage
+    ConcurrentMap mapdb = db.hashMap("map").make();
+
+    void load_mainmemory(String file_path) throws IOException {
+        Scanner sc = new Scanner((new File(file_path)));
+        String line = "";
+
+        while (sc.hasNextLine()) {
+            line = sc.nextLine();
+            String[] row = line.split("\t");
+
+            Dictionary<String, String> row_dict = new Hashtable<>();
+
+            row_dict.put("primaryName", row[1]);
+            row_dict.put("birthYear", row[2]);
+            row_dict.put("deathYear", row[3]);
+            row_dict.put("primaryProfession", row[4]);
+            row_dict.put("knownForTitles", row[5]);
+
+            mm_map.put(row[0], row_dict);
+        }
+    }
+
+    void load_mapdb(String file_path) throws IOException{
+        Scanner sc = new Scanner((new File(file_path)));
+        String line = "";
+
+        while (sc.hasNextLine()) {
+            line = sc.nextLine();
+            String[] row = line.split("\t");
+
+            Dictionary<String, String> row_dict = new Hashtable<>();
+
+            row_dict.put("primaryName", row[1]);
+            row_dict.put("birthYear", row[2]);
+            row_dict.put("deathYear", row[3]);
+            row_dict.put("primaryProfession", row[4]);
+            row_dict.put("knownForTitles", row[5]);
+
+            mapdb.put(row[0], row_dict);
+        }
+    }
+
+    String select_file(String file_path, String key, String[] column_names) throws IOException{
+        Scanner sc = new Scanner(new File(file_path));
+        String line = "";
+
+        while (sc.hasNextLine()) {
+            line = sc.nextLine();
+            if (line.contains(key)) {
+                sc.close();
+                break;
+            }
+        }
+        
+        if (line != "") {
+            String[] row = line.split("\t");
+
+            StringBuilder sb = new StringBuilder();
+            for (String col_name : column_names) {
+                switch (col_name) {
+                    case "nconst":
+                        sb.append(row[0]);
+                        break;
+                    
+                    case "primaryName":
+                        sb.append(row[1]);
+                        break;
+
+                    case "birthYear":
+                        sb.append(row[2]);
+                        break;
+
+                    case "deathYear":
+                        sb.append(row[3]);
+                        break;
+                    
+                    case "primaryProfession":
+                        sb.append(row[4]);
+                        break;
+                    
+                    case "knownForTitles":
+                        sb.append(row[5]);
+                        break;
+                    
+                    default:
+                        break;
+                }
+                sb.append("\t");
+            }
+            line = sb.toString();
+            
+        }
+        return line;
+    }
+
+    String select_mainmemory(String key, String[] column_names){
+        StringBuilder sb = new StringBuilder();
+        Dictionary<String, String> data = mm_map.get(key);
+        for (String col_name : column_names) {
+            if (col_name == "nconst") {
+                sb.append(key);
+            } else {
+                sb.append(data.get(col_name));
+            }
+            sb.append("\t");
+        }
+        return sb.toString();
+    }
+    
+    String select_mapdb(String key, String[] column_names){
+        StringBuilder sb = new StringBuilder();
+        Dictionary<String, String> data = (Dictionary<String, String>) mapdb.get(key);
+        for (String col_name : column_names) {
+            if (col_name == "nconst") {
+                sb.append(key);
+            } else {
+                sb.append(data.get(col_name));
+            }
+            sb.append("\t");
+        }
+        return sb.toString();
+    }
+
+    int fastestLoad(){
+        // 1: Main-memory Load
+        // 2: MapDB Load
+        int fastest = 1;
+        return fastest;
+    }
+
+    int fastestSelect(){
+        // 0: File Select
+        // 1: Main-memory Select
+        // 2: MapDB Select
+        int fastest = 1;
+        return fastest;
+    }
+}