public void run() { // each file is processed into a local hash table and then merged with the global results // this will cause much less contention on the global table, but still avoids a sequential // update Hashtable<String, Integer> local_results = new Hashtable<String, Integer>(WordCountJ.HASH_SIZE, WordCountJ.LF); // grab a file to work on String cf; while ((cf = files.poll()) != null) { try { BufferedReader input = new BufferedReader(new FileReader(cf)); String text; // well go line-by-line... maybe this is not the fastest while ((text = input.readLine()) != null) { // parse words Matcher matcher = pattern.matcher(text); while (matcher.find()) { String word = matcher.group(1); if (local_results.containsKey(word)) { local_results.put(word, 1 + local_results.get(word)); } else { local_results.put(word, 1); } } } input.close(); } catch (Exception e) { System.out.println(" caught a " + e.getClass() + "\n with message: " + e.getMessage()); return; } // merge local hashmap with shared one,could have a // seperate thread do this but that might be cheating Iterator<Map.Entry<String, Integer>> updates = local_results.entrySet().iterator(); while (updates.hasNext()) { Map.Entry<String, Integer> kv = updates.next(); String k = kv.getKey(); Integer v = kv.getValue(); synchronized (results) { if (results.containsKey(k)) { results.put(k, v + results.get(k)); } else { results.put(k, v); } } } local_results.clear(); } }
public void run() { try { BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file), charset)); if (outputFile != null) { bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outputFile), charset)); } String line; while ((line = br.readLine()) != null) { filePosition += line.length() + 2; line = line.trim(); if (!line.startsWith("#")) { String[] sides = split(line); if ((sides != null) && !sides[0].equals("key")) { if (searchPHI) { // Search the decrypted PHI for the searchText sides[0] = decrypt(sides[0]); if (sides[0].indexOf(searchText) != -1) { output(sides[0] + " = " + sides[1] + "\n"); } } else { // Search the trial ID for the searchText if (sides[1].indexOf(searchText) != -1) { sides[0] = decrypt(sides[0]); output(sides[0] + " = " + sides[1] + "\n"); } } } } } br.close(); if (bw != null) { bw.flush(); bw.close(); } } catch (Exception e) { append("\n\n" + e.getClass().getName() + ": " + e.getMessage() + "\n"); } append("\nDone.\n"); setMessage("Ready..."); }