/**
* This method takes all the children of the passed-in category (both {@link
* arlut.csd.ganymede.server.DBObjectBase DBObjectBase} objects and contained {@link
* arlut.csd.ganymede.server.DBBaseCategory DBBaseCategory} objects) and makes copies under this.
*/
private void recurseDown(DBBaseCategory category, Hashtable baseHash, DBSchemaEdit editor)
throws RemoteException {
Vector<CategoryNode> children = category.getNodes();
DBObjectBase oldBase, newBase;
DBBaseCategory oldCategory, newCategory;
/* -- */
if (debug) {
Ganymede.debug("** recurseDown");
if (editor == null) {
Ganymede.debug("**#?!?!!! DBBaseCategory.recurseDown(): editor == null!!!");
}
}
for (CategoryNode node : children) {
if (node instanceof DBObjectBase) {
oldBase = (DBObjectBase) node;
// a new copy, with the same objects under it
newBase = new DBObjectBase(oldBase, editor);
baseHash.put(newBase.getKey(), newBase);
if (false) {
Ganymede.debug(
"Created newBase " + newBase.getName() + " in recursive category tree duplication");
}
// we want this base to be added to the current end of this category
addNodeAfter(newBase, null);
if (false) {
Ganymede.debug("Added " + newBase.getName() + " to new category tree");
}
} else if (node instanceof DBBaseCategory) {
oldCategory = (DBBaseCategory) node;
newCategory = (DBBaseCategory) newSubCategory(oldCategory.getName());
newCategory.editor = editor;
if (false) {
Ganymede.debug(
"Created newCategory "
+ newCategory.getName()
+ " in recursive category tree duplication");
}
newCategory.recurseDown(oldCategory, baseHash, editor);
}
}
}
/** This DBObjectDeltaRec constructor is used to load a delta record from a Journal stream. */
public DBObjectDeltaRec(DataInput in) throws IOException {
short fieldcode;
short typecode;
boolean scalar;
DBObjectBase baseDef;
DBObjectBaseField fieldDef;
String fieldName = null;
String status = null;
DBObject obj = null;
/* -- */
status = "Reading invid";
boolean debug = true;
try {
invid = Invid.createInvid(in);
baseDef = Ganymede.db.getObjectBase(invid.getType());
obj = Ganymede.db.viewDBObject(invid);
if (debug) {
System.err.println(
"\n>*> Reading delta rec for " + baseDef.getName() + " <" + invid.getNum() + ">");
}
status = "Reading field count";
int fieldcount = in.readInt();
if (debug) {
System.err.println(
">> DBObjectDeltaRec(): " + fieldcount + " fields in on-disk delta rec.");
}
for (int i = 0; i < fieldcount; i++) {
status = "\nReading field code for field " + i;
if (debug) {
System.err.println(status);
}
fieldcode = in.readShort();
fieldDef = (DBObjectBaseField) baseDef.getField(fieldcode);
typecode = fieldDef.getType();
fieldName = fieldDef.getName();
status = "Reading deletion boolean for field " + i;
if (in.readBoolean()) {
// we're deleting this field
if (debug) {
System.err.println(
"Reading field deletion record field ("
+ fieldName
+ ":"
+ fieldcode
+ ") for field "
+ i);
}
fieldRecs.addElement(new fieldDeltaRec(fieldcode, null));
continue;
}
// okay, we've got a field redefinition.. check the type
// code to make sure we don't have an incompatible journal
// entry
status = "Reading type code for field " + i;
if (in.readShort() != typecode) {
throw new RuntimeException("Error, field type mismatch in journal file");
}
// ok.. now, is it a total redefinition, or a vector delta record?
status = "Reading scalar/vector delta boolean for field " + i;
scalar = in.readBoolean();
if (scalar) {
fieldDeltaRec f_r = null;
status = "Reading field (" + fieldName + ":" + fieldcode + ") for field " + i;
if (debug) {
System.err.println(status);
}
f_r = new fieldDeltaRec(fieldcode, DBField.readField(obj, in, fieldDef));
fieldRecs.addElement(f_r);
if (debug) {
System.err.println("Value: " + f_r.toString());
}
} else {
// ok, we have a vector delta chunk
fieldDeltaRec fieldRec = new fieldDeltaRec(fieldcode);
Object value = null;
// read in the additions
status = "Reading vector addition count for field " + fieldName + "(" + i + ")";
if (debug) {
System.err.println(status);
}
int size = in.readInt();
if (debug) {
System.err.println(">> DBObjectDeltaRec(): reading " + size + " additions.");
}
for (int j = 0; j < size; j++) {
// we only support 3 vector field types
switch (typecode) {
case STRING:
status = "Reading string addition " + j + " for field " + i + ":" + fieldName;
if (debug) {
System.err.println(status);
}
value = in.readUTF();
break;
case INVID:
status = "Reading invid addition " + j + " for field " + i + ":" + fieldName;
if (debug) {
System.err.println(status);
}
value = Invid.createInvid(in);
break;
case IP:
status = "Reading ip addition " + j + " for field " + i + ":" + fieldName;
if (debug) {
System.err.println(status);
}
byte bytelength = in.readByte();
Byte[] bytes = new Byte[bytelength];
for (int k = 0; k < bytelength; k++) {
bytes[k] = Byte.valueOf(in.readByte());
}
value = bytes;
}
fieldRec.addValue(value);
}
// read in the deletions
status = "Reading vector deletion count for field " + i;
if (debug) {
System.err.println(status);
}
size = in.readInt();
if (debug) {
System.err.println(">> DBObjectDeltaRec(): reading " + size + " deletions.");
}
for (int j = 0; j < size; j++) {
// we only support 3 vector field types
switch (typecode) {
case STRING:
status = "Reading string deletion " + j + " for field " + i + ":" + fieldName;
value = in.readUTF();
break;
case INVID:
status = "Reading invid deletion " + j + " for field " + i + ":" + fieldName;
value = Invid.createInvid(in);
break;
case IP:
status = "Reading IP deletion " + j + " for field " + i + ":" + fieldName;
byte bytelength = in.readByte();
Byte[] bytes = new Byte[bytelength];
for (int k = 0; k < bytelength; k++) {
bytes[k] = Byte.valueOf(in.readByte());
}
value = bytes;
}
fieldRec.delValue(value);
}
// and save this field
fieldRecs.addElement(fieldRec);
}
}
} catch (IOException ex) {
System.err.println("DBObjectDeltaRec constructor: IOException in state " + status);
Ganymede.logError(ex);
throw ex;
}
}
/**
* This method is used to remove a Category Node from under us.
*
* @see arlut.csd.ganymede.rmi.Category
*/
public synchronized void removeNode(CategoryNode node) throws RemoteException {
int i, index = -1;
/* -- */
if (node == null) {
throw new IllegalArgumentException("Can't remove a null node");
}
// find our deletion point
if (debug) {
try {
Ganymede.debug("DBBaseCategory (" + getName() + ").removeNode(" + node.getPath() + ")");
} catch (RemoteException ex) {
Ganymede.logError(ex);
throw new RuntimeException("rmi local failure?" + ex.getMessage());
}
}
for (i = 0; i < contents.size(); i++) {
if (debug) {
try {
Ganymede.debug(" examining: " + ((CategoryNode) contents.elementAt(i)).getPath());
} catch (RemoteException ex) {
Ganymede.logError(ex);
throw new RuntimeException("rmi local failure?" + ex.getMessage());
}
}
if (contents.elementAt(i).equals(node)) {
index = i;
}
}
if (index == -1) {
throw new IllegalArgumentException("can't delete a node that's not in the category");
}
// remove our node from our content list
contents.removeElementAt(index);
if (false) {
if (node instanceof DBObjectBase) {
DBObjectBase base = (DBObjectBase) node;
if (!base.isEditing()) {
System.err.println(
"DBBaseCategory.removeNode(): " + base.getName() + " has a null editor!");
} else {
System.err.println(
"DBBaseCategory.removeNode(): " + base.getName() + " has a non-null editor!");
}
}
}
// Sorry, kid, yer on your own now!
node.setCategory(null);
}
/**
* This method is used to remove a Category Node from under us.
*
* @see arlut.csd.ganymede.rmi.Category
*/
public synchronized void removeNode(String name) throws RemoteException {
int i, index = -1;
CategoryNode node = null;
/* -- */
if (name == null) {
throw new IllegalArgumentException("Can't remove a null name");
}
// find our deletion point
if (debug) {
Ganymede.debug("DBBaseCategory (" + getName() + ").removeNode(" + name + ")");
}
for (i = 0; i < contents.size() && (index == -1); i++) {
if (debug) {
Ganymede.debug(" examining: " + contents.elementAt(i));
}
node = (CategoryNode) contents.elementAt(i);
try {
if (node.getName().equals(name)) {
index = i;
}
} catch (RemoteException ex) {
throw new RuntimeException("caught remote: " + ex);
}
}
if (index == -1) {
throw new IllegalArgumentException("can't delete a name that's not in the category");
} else if (debug) {
System.err.println("DBBaseCategory.removeNode(): found node " + node);
if (node instanceof DBObjectBase) {
System.err.println("DBBaseCategory.removeNode(): node is DBObjectBase");
} else if (node instanceof Base) {
System.err.println("DBBaseCategory.removeNode(): node is Base");
} else if (node instanceof DBBaseCategory) {
System.err.println("DBBaseCategory.removeNode(): node is DBBaseCategory");
} else if (node instanceof Category) {
System.err.println("DBBaseCategory.removeNode(): node is Category");
} else {
System.err.println("DBBaseCategory.removeNode(): node is <unrecognized>");
}
}
// remove our node from our content list
contents.removeElementAt(index);
if (debug) {
if (node instanceof DBObjectBase) {
DBObjectBase base = (DBObjectBase) node;
if (!base.isEditing()) {
System.err.println(
"DBBaseCategory.removeNode(2): " + base.getName() + " has a null editor!");
} else {
System.err.println(
"DBBaseCategory.removeNode(2): " + base.getName() + " has a non-null editor!");
}
}
}
// Sorry, kid, yer on your own now!
node.setCategory(null);
}