Changeset 14633

Timestamp:

2007-10-08T10:03:52+13:00 (16 years ago)

Author:

shaoqun

Message:

added synchronizing code

File:

• greenstone3/trunk/src/java/org/greenstone/gsdl3/service/GS2MGSearch.java (modified) (4 diffs)

greenstone3/trunk/src/java/org/greenstone/gsdl3/service/GS2MGSearch.java

@@ -48 +48 @@
 extends AbstractGS2Search {
     
-//    protected MGSearchWrapper mg_src = null;
-    protected MGSearchWrapper mg_src = null;
+    protected static MGSearchWrapper mg_src = null;
     
     static Logger logger = Logger.getLogger (org.greenstone.gsdl3.service.GS2MGSearch.class.getName ());
@@ -56 +55 @@
     /** constructor */
     public GS2MGSearch () {
-//        this.mg_src = new MGSearchWrapper ();
-        this.mg_src = new MGSearchWrapper ();
-        
+    if(this.mg_src == null){
+        this.mg_src = new MGSearchWrapper ();
+        }
     }
     public void cleanUp () {
@@ -80 +79 @@
     /** do the actual query */
     protected Element processTextQuery (Element request) {
-        
+        synchronized(this.mg_src){
         // Create a new (empty) result message ('doc' is in ServiceRack.java)
         Element result = this.doc.createElement (GSXML.RESPONSE_ELEM);
@@ -211 +210 @@
         }
         return result;
+    }//end of synchronized
     }