/**
* 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 method emits this delta rec to a file */
public void emit(DataOutput out) throws IOException {
DBObjectBase baseDef;
DBObjectBaseField fieldDef;
/* -- */
// write the object id
baseDef = Ganymede.db.getObjectBase(invid.getType());
if (debug) {
System.err.println("Emitting delta rec for invid " + invid.toString());
}
invid.emit(out);
// write the fieldrec count
out.writeInt(fieldRecs.size());
if (debug) {
System.err.println(
"Emitting " + fieldRecs.size() + " field records for invid " + invid.toString());
}
// now let's write out the fields
fieldDeltaRec fdRec;
Object value;
for (int i = 0; i < fieldRecs.size(); i++) {
fdRec = (fieldDeltaRec) fieldRecs.elementAt(i);
// write out our field code.. this will be used by the loader
// code to determine what kind of field this is, and what
// kind of data types need to be loaded.
if (debug) {
System.err.println("Emitting fieldDeltaRec:\n\t" + fdRec.toString());
}
out.writeShort(fdRec.fieldcode);
// are we deleting?
if (!fdRec.vector && fdRec.scalarValue == null) {
// yes, we're deleting this field
out.writeBoolean(true);
continue;
}
// no, we're redefining this field
out.writeBoolean(false);
// write out our field type code.. this will be used by the loader
// to verify that the schema hasn't undergone an incompatible
// change since the journal was written.
fieldDef = (DBObjectBaseField) baseDef.getField(fdRec.fieldcode);
out.writeShort(fieldDef.getType());
if (fdRec.scalarValue != null) {
out.writeBoolean(true); // scalar redefinition
fdRec.scalarValue.emit(out);
continue;
}
out.writeBoolean(false); // vector mod
// write out what is being added to this vector
if (debug) {
System.err.println("====== Emitting " + fdRec.addValues.size() + " addition elements");
}
if (fdRec.addValues == null) {
out.writeInt(0);
} else {
out.writeInt(fdRec.addValues.size());
for (int j = 0; j < fdRec.addValues.size(); j++) {
value = fdRec.addValues.elementAt(j);
// we only support 3 vector field types
if (value instanceof String) {
out.writeUTF((String) value);
} else if (value instanceof Invid) {
((Invid) value).emit(out);
} else if (value instanceof IPwrap) {
Byte[] bytes = ((IPwrap) value).address;
out.writeByte(bytes.length);
for (int k = 0; k < bytes.length; k++) {
out.writeByte(bytes[k].byteValue());
}
} else {
Ganymede.debug("DBObjectDeltaRec.emit(): Error! Unrecognized element in vector!");
}
}
}
// write out what is being removed from this vector
if (fdRec.delValues == null) {
out.writeInt(0);
} else {
out.writeInt(fdRec.delValues.size());
for (int j = 0; j < fdRec.delValues.size(); j++) {
value = fdRec.delValues.elementAt(j);
// we only support 3 vector field types
if (value instanceof String) {
out.writeUTF((String) value);
} else if (value instanceof Invid) {
Invid invid = (Invid) value;
out.writeShort(invid.getType());
out.writeInt(invid.getNum());
} else if (value instanceof IPwrap) {
Byte[] bytes = ((IPwrap) value).address;
out.writeByte(bytes.length);
for (int k = 0; k < bytes.length; k++) {
out.writeByte(bytes[k].byteValue());
}
}
}
}
}
}
/**
* 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);
}
/**
* This method is used to scan the persistent log storage for log events that match invid and that
* have occurred since sinceTime.
*
* @param invid If not null, retrieveHistory() will only return events involving this object
* invid.
* @param sinceTime if not null, retrieveHistory() will only return events occuring on or after
* the time specified in this Date object.
* @param beforeTime if not null, retrieveHistory() will only return events occurring on or before
* the time specified in this Date object.
* @param keyOnAdmin if true, rather than returning a string containing events that involved
* <invid>, retrieveHistory() will return a string containing events performed on behalf
* of the administrator with invid <invid>.
* @param fullTransactions if true, the buffer returned will include all events in any
* transactions that involve the given invid. if false, only those events in a transaction
* directly affecting the given invid will be returned.
* @param getLoginEvents if true, this method will return only login and logout events. if false,
* this method will return no login and logout events.
* @return A human-readable multiline string containing a list of history events
*/
public StringBuffer retrieveHistory(
Invid invid,
Date sinceTime,
Date beforeTime,
boolean keyOnAdmin,
boolean fullTransactions,
boolean getLoginEvents) {
if (con == null) {
throw new IllegalArgumentException("no connection to postgres database");
}
StringBuffer buffer = new StringBuffer();
Date transDate = null;
String prevTransID = null;
String transAdmin = null;
ResultSet rs = null;
/* -- */
try {
if (keyOnAdmin) {
rs = queryEventsByAdmin(invid, sinceTime, beforeTime);
} else if (fullTransactions) {
rs = queryEventsByTransactions(invid, sinceTime, beforeTime);
} else {
rs = queryEvents(invid, sinceTime, beforeTime);
}
while (rs.next()) {
long time = rs.getLong(1);
String token = rs.getString(2);
String adminName = rs.getString(3);
String text = rs.getString(4);
String transactionID = rs.getString(5);
if (invid.getType() == SchemaConstants.UserBase) {
if (token.equals("normallogin")
|| token.equals("normallogout")
|| token.equals("abnormallogout")) {
if (!getLoginEvents) {
continue; // we don't want to show login/logout activity here
}
} else if (getLoginEvents) {
continue; // we don't want to show non-login/logout activity here
}
}
if (prevTransID != null && !prevTransID.equals(transactionID)) {
buffer.append(
"---------- End Transaction "
+ transDate.toString()
+ ": "
+ transAdmin
+ " ----------\n\n");
transAdmin = null;
transDate = null;
prevTransID = null;
}
if (token.equals("starttransaction")) {
transDate = new Date(time);
String tmp2 =
"---------- Transaction " + transDate.toString() + ": " + adminName + " ----------\n";
// remember our admin name and transaction id so we
// can put out a notice about closing the previous
// transaction when we see it
transAdmin = adminName;
prevTransID = transactionID;
buffer.append(tmp2);
} else if (token.equals("finishtransaction")) {
String tmp2 =
"---------- End Transaction "
+ new Date(time).toString()
+ ": "
+ adminName
+ " ----------\n\n";
prevTransID = null;
transAdmin = null;
transDate = null;
buffer.append(tmp2);
} else {
String tmp = token + "\n" + WordWrap.wrap(text, 78, "\t") + "\n";
buffer.append(tmp);
}
}
} catch (SQLException ex) {
Ganymede.debug("SQLException in retrieveHistory: " + ex.getMessage());
Ganymede.debug("** SQLState: " + ex.getSQLState());
Ganymede.debug("** SQL Error Code: " + ex.getErrorCode());
Ganymede.debug(Ganymede.stackTrace(ex));
return buffer;
} finally {
try {
if (rs != null) {
rs.close();
Statement st = rs.getStatement();
if (st != null) {
st.close();
}
}
} catch (SQLException ex) {
}
}
return buffer;
}
/**
* This method writes the given event to the persistent storage managed by this controller.
*
* @param event The DBLogEvent to be recorded
*/
public synchronized void writeEvent(DBLogEvent event) {
if (con == null) {
throw new IllegalArgumentException("no connection to postgres database");
}
try {
if (statement == null) {
statement =
con.prepareStatement(
"insert into event (event_id, javatime, sqltime, classtoken, "
+ "admin_invid, admin_name, trans_id, text) "
+ "values (?,?,?,?,?,?,?,?)");
}
if (event.eventClassToken.equals("starttransaction")) {
transactionID = event.transactionID;
}
primaryKey++;
statement.setInt(1, primaryKey);
statement.setLong(2, event.time.getTime());
statement.setTimestamp(3, new java.sql.Timestamp(event.time.getTime()));
statement.setString(4, event.eventClassToken);
if (event.admin != null) {
statement.setString(5, event.admin.toString());
} else {
statement.setNull(5, java.sql.Types.VARCHAR);
}
if (event.adminName != null) {
statement.setString(6, event.adminName);
} else {
statement.setNull(5, java.sql.Types.VARCHAR);
}
if (event.transactionID != null) {
statement.setString(7, event.transactionID);
} else {
statement.setNull(5, java.sql.Types.VARCHAR);
}
if (event.description != null) {
statement.setString(8, event.description);
} else {
statement.setNull(5, java.sql.Types.VARCHAR);
}
statement.addBatch();
for (String address : event.getMailTargets()) {
statement.addBatch(
"insert into email (event_id, address) values(" + primaryKey + ", '" + address + "')");
}
for (Invid invid : event.getInvids()) {
statement.addBatch(
"insert into invids (invid, event_id) values('"
+ invid.toString()
+ "',"
+ primaryKey
+ ")");
}
// if we had successfully logged our entire transaction,
// record a mapping in the transactions table from each
// invid in the transaction (which are recorded in the
// starttransaction line) to the transaction id
//
// if we get a transactionID mismatch we won't record anything
//
// we reset the transactionID and transInvids List
// pointer in any event
if (event.eventClassToken.equals("finishtransaction")) {
if (transactionID != null && transactionID.equals(event.transactionID)) {
for (Invid invid : event.getInvids()) {
statement.addBatch(
"insert into transactions (invid, trans_id) values('"
+ invid.toString()
+ "','"
+ transactionID
+ "')");
}
}
transactionID = null;
}
statement.executeBatch();
statement.clearParameters();
} catch (SQLException ex) {
Ganymede.debug("SQLException in spinLog: " + ex.getMessage());
Ganymede.debug("** SQLState: " + ex.getSQLState());
Ganymede.debug("** SQL Error Code: " + ex.getErrorCode());
Ganymede.debug(Ganymede.stackTrace(ex));
Ganymede.debug("Event was " + event.toString());
return;
}
}