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From s...@apache.org
Subject svn commit: r1206706 - /jmeter/trunk/src/core/org/apache/jmeter/services/FileServer.java
Date Sun, 27 Nov 2011 12:03:52 GMT
Author: sebb
Date: Sun Nov 27 12:03:51 2011
New Revision: 1206706

URL: http://svn.apache.org/viewvc?rev=1206706&view=rev
Log:
Document locking

Modified:
    jmeter/trunk/src/core/org/apache/jmeter/services/FileServer.java

Modified: jmeter/trunk/src/core/org/apache/jmeter/services/FileServer.java
URL: http://svn.apache.org/viewvc/jmeter/trunk/src/core/org/apache/jmeter/services/FileServer.java?rev=1206706&r1=1206705&r2=1206706&view=diff
==============================================================================
--- jmeter/trunk/src/core/org/apache/jmeter/services/FileServer.java (original)
+++ jmeter/trunk/src/core/org/apache/jmeter/services/FileServer.java Sun Nov 27 12:03:51 2011
@@ -75,7 +75,7 @@ public class FileServer {
     //@GuardedBy("this")
     private File base;
 
-    //@GuardedBy("this") TODO perhaps use ConcurrentHashMap
+    //@GuardedBy("this") NOTE this also guards against possible window in checkForOpenFiles()
     private final Map<String, FileEntry> files = new HashMap<String, FileEntry>();
 
     private static final FileServer server = new FileServer();
@@ -159,13 +159,16 @@ public class FileServer {
     }
 
 	/**
-	 * @throws IllegalStateException
+	 * Check if there are entries in use.
+	 * <p>
+	 * 
+	 * @throws IllegalStateException if there are any entries still in use
 	 */
 	private void checkForOpenFiles() throws IllegalStateException {
-		if (filesOpen()) {
+		if (filesOpen()) { // checks for entries in use
             throw new IllegalStateException("Files are still open, cannot change base directory");
         }
-        files.clear();
+        files.clear(); // tidy up any unused entries
 	}
 
     public synchronized String getBaseDir() {



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