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Fixed bug where a node deleted by replication was left in the cache via secondary

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key without being marked as invalid. (bug 147)
This commit is contained in:
hns 2002-10-30 11:56:59 +00:00
parent 6266b3b5b7
commit 20402accfa
1 changed files with 8 additions and 4 deletions
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10
src/helma/objectmodel/db/NodeManager.java
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@ -1197,7 +1197,8 @@ public final class NodeManager {
*/ */
public void replicateCache (Vector add, Vector delete) { public void replicateCache (Vector add, Vector delete) {
if (logReplication) if (logReplication)
app.logEvent ("Received cache replication event: "+add.size()+" added, "+delete.size()+" deleted"); app.logEvent ("Received cache replication event: "+add.size()+
" added, "+delete.size()+" deleted");
synchronized (cache) { synchronized (cache) {
for (Enumeration en=add.elements(); en.hasMoreElements(); ) { for (Enumeration en=add.elements(); en.hasMoreElements(); ) {
Node n = (Node) en.nextElement (); Node n = (Node) en.nextElement ();
@ -1210,14 +1211,17 @@ public final class NodeManager {
cache.put (n.getKey(), n); cache.put (n.getKey(), n);
} }
for (Enumeration en=delete.elements(); en.hasMoreElements(); ) { for (Enumeration en=delete.elements(); en.hasMoreElements(); ) {
// NOTE: it would be more efficient to transfer just the keys
// of nodes that are to be deleted.
Node n = (Node) en.nextElement (); Node n = (Node) en.nextElement ();
DbMapping dbm = app.getDbMapping (n.getPrototype ()); DbMapping dbm = app.getDbMapping (n.getPrototype ());
if (dbm != null) if (dbm != null)
dbm.notifyDataChange (); dbm.notifyDataChange ();
n.setDbMapping (dbm); n.setDbMapping (dbm);
n.nmgr = safe; n.nmgr = safe;
cache.put (n.getKey(), n); Node oldNode = (Node) cache.get (n.getKey());
evictNode (n); if (oldNode != null)
evictNode (oldNode);
} }
} }
} }