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Posted to dev@tomcat.apache.org by ma...@apache.org on 2015/01/29 10:28:07 UTC

svn commit: r1655558 - in /tomcat/trunk/java/org/apache/catalina: ./ core/ webresources/

Author: markt
Date: Thu Jan 29 09:28:07 2015
New Revision: 1655558

URL: http://svn.apache.org/r1655558
Log:
Separate out the gc process from the background process so gc() can be called independently.

Modified:
    tomcat/trunk/java/org/apache/catalina/WebResourceRoot.java
    tomcat/trunk/java/org/apache/catalina/WebResourceSet.java
    tomcat/trunk/java/org/apache/catalina/core/StandardContext.java
    tomcat/trunk/java/org/apache/catalina/webresources/AbstractArchiveResourceSet.java
    tomcat/trunk/java/org/apache/catalina/webresources/AbstractFileResourceSet.java
    tomcat/trunk/java/org/apache/catalina/webresources/EmptyResourceSet.java
    tomcat/trunk/java/org/apache/catalina/webresources/StandardRoot.java

Modified: tomcat/trunk/java/org/apache/catalina/WebResourceRoot.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/WebResourceRoot.java?rev=1655558&r1=1655557&r2=1655558&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/WebResourceRoot.java (original)
+++ tomcat/trunk/java/org/apache/catalina/WebResourceRoot.java Thu Jan 29 09:28:07 2015
@@ -407,6 +407,12 @@ public interface WebResourceRoot extends
      */
     List<URL> getBaseUrls();
 
+    /**
+     * Implementations may cache some information to improve performance. This
+     * method triggers the clean-up of those resources.
+     */
+    void gc();
+
     static enum ResourceSetType {
         PRE,
         RESOURCE_JAR,

Modified: tomcat/trunk/java/org/apache/catalina/WebResourceSet.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/WebResourceSet.java?rev=1655558&r1=1655557&r2=1655558&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/WebResourceSet.java (original)
+++ tomcat/trunk/java/org/apache/catalina/WebResourceSet.java Thu Jan 29 09:28:07 2015
@@ -149,8 +149,8 @@ public interface WebResourceSet extends
     boolean isReadOnly();
 
     /**
-     * Hook to allow the WebResourceRoot to trigger regular tasks on this set of
-     * resources.
+     * Implementations may cache some information to improve performance. This
+     * method triggers the clean-up of those resources.
      */
-    void backgroundProcess();
+    void gc();
 }

Modified: tomcat/trunk/java/org/apache/catalina/core/StandardContext.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/core/StandardContext.java?rev=1655558&r1=1655557&r2=1655558&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/core/StandardContext.java (original)
+++ tomcat/trunk/java/org/apache/catalina/core/StandardContext.java Thu Jan 29 09:28:07 2015
@@ -5217,11 +5217,10 @@ public class StandardContext extends Con
         }
 
         // The WebResources implementation caches references to JAR files. On
-        // some platforms these references may lock the JAR files. The
-        // WebResources implementaion cleans-up unused JAR file references every
-        // run of background processing but since web application start is
-        // likely to have read from lots of JARs, trigger a clean-up now.
-        getResources().backgroundProcess();
+        // some platforms these references may lock the JAR files. Since web
+        // application start is likely to have read from lots of JARs, trigger
+        // a clean-up now.
+        getResources().gc();
 
         // Reinitializing if something went wrong
         if (!ok) {

Modified: tomcat/trunk/java/org/apache/catalina/webresources/AbstractArchiveResourceSet.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/webresources/AbstractArchiveResourceSet.java?rev=1655558&r1=1655557&r2=1655558&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/webresources/AbstractArchiveResourceSet.java (original)
+++ tomcat/trunk/java/org/apache/catalina/webresources/AbstractArchiveResourceSet.java Thu Jan 29 09:28:07 2015
@@ -294,7 +294,7 @@ public abstract class AbstractArchiveRes
     }
 
     @Override
-    public void backgroundProcess() {
+    public void gc() {
         synchronized (archiveLock) {
             if (archive != null && archiveUseCount == 0) {
                 try {

Modified: tomcat/trunk/java/org/apache/catalina/webresources/AbstractFileResourceSet.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/webresources/AbstractFileResourceSet.java?rev=1655558&r1=1655557&r2=1655558&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/webresources/AbstractFileResourceSet.java (original)
+++ tomcat/trunk/java/org/apache/catalina/webresources/AbstractFileResourceSet.java Thu Jan 29 09:28:07 2015
@@ -132,7 +132,7 @@ public abstract class AbstractFileResour
      * This is a NO-OP by default for File based resource sets.
      */
     @Override
-    public void backgroundProcess() {
+    public void gc() {
         // NO-OP
     }
 

Modified: tomcat/trunk/java/org/apache/catalina/webresources/EmptyResourceSet.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/webresources/EmptyResourceSet.java?rev=1655558&r1=1655557&r2=1655558&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/webresources/EmptyResourceSet.java (original)
+++ tomcat/trunk/java/org/apache/catalina/webresources/EmptyResourceSet.java Thu Jan 29 09:28:07 2015
@@ -153,7 +153,7 @@ public class EmptyResourceSet extends Li
     }
 
     @Override
-    public void backgroundProcess() {
+    public void gc() {
         // NO-OP
     }
 

Modified: tomcat/trunk/java/org/apache/catalina/webresources/StandardRoot.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/webresources/StandardRoot.java?rev=1655558&r1=1655557&r2=1655558&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/webresources/StandardRoot.java (original)
+++ tomcat/trunk/java/org/apache/catalina/webresources/StandardRoot.java Thu Jan 29 09:28:07 2015
@@ -595,14 +595,20 @@ public class StandardRoot extends Lifecy
     @Override
     public void backgroundProcess() {
         cache.backgroundProcess();
+        gc();
+    }
+
+
+
+    @Override
+    public void gc() {
         for (List<WebResourceSet> list : allResources) {
             for (WebResourceSet webResourceSet : list) {
-                webResourceSet.backgroundProcess();
+                webResourceSet.gc();
             }
         }
     }
 
-
     @Override
     public void registerTrackedResource(TrackedWebResource trackedResource) {
         trackedResources.add(trackedResource);



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