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Do not set write locks when adding a node or setting a node to a

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transient parent.
This commit is contained in:
hns 2002-09-13 13:28:00 +00:00
parent 7a95ff731b
commit be1dd61a19
1 changed files with 23 additions and 16 deletions
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39
src/helma/objectmodel/db/Node.java
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@ -737,16 +737,19 @@ public final class Node implements INode, Serializable {
public INode addNode (INode elem, int where) {
Node node = null;
if (elem instanceof Node)
Node node = null;
if (elem instanceof Node)
node = (Node) elem;
else
else
throw new RuntimeException ("Can't add fixed-transient node to a persistent node");
// only lock node if it has to be modified for a change in subnodes
if (!ignoreSubnodeChange ())
checkWriteLock ();
node.checkWriteLock ();
// only lock nodes if parent node is not transient
if (state != TRANSIENT) {
// only lock parent if it has to be modified for a change in subnodes
if (!ignoreSubnodeChange ())
checkWriteLock ();
node.checkWriteLock ();
}
// if subnodes are defined via realation, make sure its constraints are enforced.
if (dbmap != null && dbmap.getSubnodeRelation () != null)
@ -1640,19 +1643,21 @@ public final class Node implements INode, Serializable {
throw new RuntimeException ("Can't set "+propname+" to object with prototype "+value.getPrototype()+", was expecting "+nmap.getTypeName());
}
checkWriteLock ();
if (state != TRANSIENT)
checkWriteLock ();
Node n = null;
if (value instanceof Node)
Node n = null;
if (value instanceof Node)
n = (Node) value;
else
else
throw new RuntimeException ("Can't add fixed-transient node to a persistent node");
// if the new node is marked as TRANSIENT and this node is not, mark new node as NEW
if (state != TRANSIENT && n.state == TRANSIENT)
n.makePersistentCapable ();
n.checkWriteLock ();
if (state != TRANSIENT)
n.checkWriteLock ();
// check if the main identity of this node is as a named property
// or as an anonymous node in a collection
@ -1700,10 +1705,12 @@ public final class Node implements INode, Serializable {
// this is done anyway when the node becomes persistent.
if (n.state != TRANSIENT) {
// check node in with transactor cache
String nID = n.getID();
DbMapping dbm = n.getDbMapping ();
// String nID = n.getID();
// DbMapping dbm = n.getDbMapping ();
Transactor tx = (Transactor) Thread.currentThread ();
tx.visitCleanNode (new DbKey (dbm, nID), n);
// tx.visitCleanNode (new DbKey (dbm, nID), n);
// UPDATE: using n.getKey() instead of manually constructing key. HW 2002/09/13
tx.visitCleanNode (n.getKey(), n);
// if the field is not the primary key of the property, also register it
if (rel != null && rel.accessor != null && state != TRANSIENT) {
Key secKey = new SyntheticKey (getKey (), propname);