Changeset 21402 for main/trunk/greenstone2/common-src/src/jdbmedit/JdbDel.java

Timestamp:

2010-01-01T23:35:24+13:00 (14 years ago)

Author:

davidb

Message:

Refactoring of class to use API

File:

• main/trunk/greenstone2/common-src/src/jdbmedit/JdbDel.java (modified) (3 diffs)

main/trunk/greenstone2/common-src/src/jdbmedit/JdbDel.java

@@ -6 +6 @@
  * University of Waikato, New Zealand.
  *
- * Copyright (C) 1999  The New Zealand Digital Library Project
+ * Copyright (C) 2009  The New Zealand Digital Library Project
  * 
  * This program is free software; you can redistribute it and/or modify
@@ -38 +38 @@
 public class JdbDel
 {
-    static String TNAME = "greenstone";
-
-    RecordManager  recman_;
-    HTree          hashtable_;
-
-    public JdbDel(String db_filename)
-    throws IOException
-    {
-        // create or open a record manager
-        Properties props = new Properties();
-        recman_ = RecordManagerFactory.createRecordManager(db_filename, props);
-
-        // load existing table (if exists) otherwise report error
-        long recid = recman_.getNamedObject(TNAME);
-
-    if (recid != 0) {
-        System.out.println("Loading existing database table '" + TNAME +"' ...");
-        hashtable_ = HTree.load(recman_, recid);
-    }
-    else {
-        recman_.close();
-        System.out.println("No database table '" + TNAME +"' to delete key from.");
-        System.exit(-1);
-    }
-    }
-    
-
-    public void del(String key)
-    throws IOException
-    {
-    hashtable_.remove(key);
-    recman_.close();
-    }
-    
-
     public static void print_usage()
     {
@@ -91 +56 @@
     try {
         String dbname = args[0];
-        JdbDel table = new JdbDel(dbname);
+        JdbmAPI jdbm_api = new JdbmAPI(dbname,true);
         
         String key = args[1];
-        table.del(key);
+
+        jdbm_api.delete(key);
+        jdbm_api.close();
     }