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Implement NodeManager.getRootNode() and NodeManager.isRootNode() that

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allow to get the app's root node and check if a node is the root node, respectively
This commit is contained in:
hns 2005-05-13 14:45:42 +00:00
parent 022bc2a2d8
commit 4def8eed1e
3 changed files with 43 additions and 7 deletions
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13
src/helma/objectmodel/db/Node.java
View file

@ -740,8 +740,7 @@ public final class Node implements INode, Serializable {
// the parent of this node is the app's root node...
if ((pn == null) && pinfo.isroot) {
pn = nmgr.getNode(nmgr.nmgr.app.getProperty("rootid", "0"),
nmgr.getDbMapping("root"));
pn = nmgr.getRootNode();
}
// if we found a parent node, check if we ought to use a virtual or groupby node as parent
@ -943,7 +942,7 @@ public final class Node implements INode, Serializable {
}
}
if (node != this && !"root".equalsIgnoreCase(node.getPrototype())) {
if (node != this && !nmgr.isRootNode(node)) {
// avoid calling getParent() because it would return bogus results
// for the not-anymore transient node
Node nparent = (node.parentHandle == null) ? null
@ -1146,7 +1145,7 @@ public final class Node implements INode, Serializable {
// if (dbmap != null && dbmap.getSubnodeRelation () != null)
// retval = nmgr.getNode (this, subid, dbmap.getSubnodeRelation ());
if ((retval != null) && (retval.parentHandle == null) &&
!"root".equalsIgnoreCase(retval.getPrototype())) {
!nmgr.isRootNode(retval)) {
retval.setParent(this);
retval.anonymous = true;
}
@ -1176,7 +1175,7 @@ public final class Node implements INode, Serializable {
retval = ((NodeHandle) subnodes.get(index)).getNode(nmgr);
if ((retval != null) && (retval.parentHandle == null) &&
!"root".equalsIgnoreCase(retval.getPrototype())) {
!nmgr.isRootNode(retval)) {
retval.setParent(this);
retval.anonymous = true;
}
@ -1731,7 +1730,7 @@ public final class Node implements INode, Serializable {
if (n != null) {
if ((n.parentHandle == null) &&
!"root".equalsIgnoreCase(n.getPrototype())) {
!nmgr.isRootNode(n)) {
n.setParent(this);
n.name = propname;
n.anonymous = false;
@ -2235,7 +2234,7 @@ public final class Node implements INode, Serializable {
// check if the main identity of this node is as a named property
// or as an anonymous node in a collection
if (n != this && !"root".equalsIgnoreCase(n.getPrototype())) {
if (n != this && !nmgr.isRootNode(n)) {
// avoid calling getParent() because it would return bogus results
// for the not-anymore transient node
Node nparent = (n.parentHandle == null) ? null

16
src/helma/objectmodel/db/NodeManager.java
View file

@ -97,6 +97,22 @@ public final class NodeManager {
db.init(dbHome, app);
}
/**
* Gets the application's root node.
*/
public Node getRootNode() throws Exception {
DbMapping dbmap = getDbMapping(app.getRootPrototype());
DbKey key = new DbKey(dbmap, app.getRootId());
return getNode(key);
}
/**
* Checks if the given node is the application's root node.
*/
public boolean isRootNode(Node node) {
return app.getRootId().equals(node.getID()) &&
app.getRootPrototype().equals(node.getPrototype());
}
/**
* app.properties file has been updated. Reread some settings.
*/

21
src/helma/objectmodel/db/WrappedNodeManager.java
View file

@ -255,6 +255,27 @@ public final class WrappedNodeManager {
}
}
/**
* Gets the application's root node.
*/
public Node getRootNode() {
try {
return nmgr.getRootNode();
} catch (Exception x) {
if (nmgr.app.debug()) {
x.printStackTrace();
}
throw new RuntimeException(x.toString());
}
}
/**
* Checks if the given node is the application's root node.
*/
public boolean isRootNode(Node node) {
return nmgr.isRootNode(node);
}
/**
* Get an array of all objects in the object cache
*/