From 7d840022e6bd987ea1827f91357b096d47933b7d Mon Sep 17 00:00:00 2001
From: Marcin Koziej <marcin.koziej@nowoczesnapolska.org.pl>
Date: Thu, 27 Oct 2011 14:18:37 +0200
Subject: [PATCH] reusable index. first attempt at rich search query

---
 apps/search/__init__.py |  2 +-
 apps/search/index.py    | 21 ++++++++++++++++++---
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/apps/search/__init__.py b/apps/search/__init__.py
index b34facba1..44da555a7 100644
--- a/apps/search/__init__.py
+++ b/apps/search/__init__.py
@@ -1,3 +1,3 @@
-from index import Index, Search, ReusableIndex
 import lucene
 lucene.initVM(lucene.CLASSPATH)
+from index import Index, Search, ReusableIndex
diff --git a/apps/search/index.py b/apps/search/index.py
index 33f2aa1aa..d539257ee 100644
--- a/apps/search/index.py
+++ b/apps/search/index.py
@@ -14,6 +14,7 @@ import errno
 from librarian import dcparser
 from librarian.parser import WLDocument
 import catalogue.models
+from multiprocessing.pool import ThreadPool
 import atexit
 
 
@@ -247,24 +248,38 @@ class ReusableIndex(Index):
     if you cannot rely on atexit, use ReusableIndex.close_reusable() yourself.
     """
     index = None
-    def open(self, analyzer=None):
+    pool = None
+    pool_jobs = None
+
+    def open(self, analyzer=None, threads=4):
         if ReusableIndex.index is not None:
             self.index = ReusableIndex.index
         else:
-            Index.open(self,analyzer)
+            ReusableIndex.pool = ThreadPool(threads)
+            ReusableIndex.pool_jobs = []
+            Index.open(self, analyzer)
             ReusableIndex.index = self.index
             atexit.register(ReusableIndex.close_reusable)
 
+    def index_book(self, *args, **kw):
+        job = ReusableIndex.pool.apply_async(Index.index_book, args, kw)
+        ReusableIndex.pool_jobs.append(job)
+
     @staticmethod
     def close_reusable():
         if ReusableIndex.index is not None:
+            for job in ReusableIndex.pool_jobs:
+                job.wait()
+            ReusableIndex.pool.close()
+
             ReusableIndex.index.optimize()
             ReusableIndex.index.close()
             ReusableIndex.index = None
-            
+
     def close(self):
         pass
 
+
 class Search(IndexStore):
     def __init__(self, default_field="content"):
         IndexStore.__init__(self)
-- 
2.20.1