antville/helma
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* only use the parent-info from the type.properties file if there

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is an explicit reference relation set for the property name.
* avoid database queries for nodes that are transient or in the
process of being persistified also when loadmode is set to
aggressive.
This commit is contained in:
hns 2001-10-02 20:54:35 +00:00
parent ef756bdcc1
commit 3db1848822
1 changed files with 12 additions and 3 deletions
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15
src/helma/objectmodel/db/Node.java
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@ -634,9 +634,16 @@ public final class Node implements INode, Serializable {
if (parentInfo != null && state != TRANSIENT) { if (parentInfo != null && state != TRANSIENT) {
for (int i=0; i<parentInfo.length; i++) { for (int i=0; i<parentInfo.length; i++) {
ParentInfo pinfo = parentInfo[i]; ParentInfo pinfo = parentInfo[i];
INode pn = getNode (pinfo.propname, false); INode pn = null;
// see if there is an explicit relation defined for this parent info
// we only try to fetch a node if an explicit relation is specified for the prop name
Relation rel = dbmap.propertyToRelation (pinfo.propname);
if (rel != null && rel.reftype == Relation.REFERENCE)
pn = getNode (pinfo.propname, false);
// the parent of this node is the app's root node...
if (pinfo.isroot && pn == null) if (pinfo.isroot && pn == null)
pn = nmgr.getNode ("0", nmgr.getDbMapping ("root")); pn = nmgr.getNode ("0", nmgr.getDbMapping ("root"));
// if we found a parent node, check if we ought to use a virtual or groupby node as parent
if (pn != null) { if (pn != null) {
// see if dbmapping specifies anonymity for this node // see if dbmapping specifies anonymity for this node
if (pinfo.virtualname != null) if (pinfo.virtualname != null)
@ -645,7 +652,7 @@ public final class Node implements INode, Serializable {
try { try {
if (dbm != null && dbm.getSubnodeGroupby () != null) { if (dbm != null && dbm.getSubnodeGroupby () != null) {
// check for groupby // check for groupby
Relation rel = (Relation) dbmap.getDB2Prop ().get (dbm.getSubnodeGroupby()); rel = (Relation) dbmap.getDB2Prop ().get (dbm.getSubnodeGroupby());
pn = pn.getSubnode (getString (rel.propName, false)); pn = pn.getSubnode (getString (rel.propName, false));
} }
if (pn != null) { if (pn != null) {
@ -1114,7 +1121,9 @@ public final class Node implements INode, Serializable {
if (smap != null && smap.isRelational ()) { if (smap != null && smap.isRelational ()) {
// check if subnodes need to be rechecked // check if subnodes need to be rechecked
Relation subRel = dbmap.getSubnodeRelation (); Relation subRel = dbmap.getSubnodeRelation ();
if (subRel.aggressiveLoading) { // do not fetch subnodes for nodes that haven't been persisted yet or are in
// the process of being persistified - except if "manual" subnoderelation is set.
if (subRel.aggressiveLoading && ((state != TRANSIENT && state != NEW) || subnodeRelation != null)) {
// we don't want to load *all* nodes if we just want to count them // we don't want to load *all* nodes if we just want to count them
long lastChange = subRel.aggressiveCaching ? lastSubnodeChange : smap.getLastDataChange (); long lastChange = subRel.aggressiveCaching ? lastSubnodeChange : smap.getLastDataChange ();
// also reload if the type mapping has changed. // also reload if the type mapping has changed.