/** Preload all dup DBs to be converted. */
private void preloadAllDatabases() {
final ArrayList<DatabaseImpl> dbsToConvert = new ArrayList<DatabaseImpl>();
try {
for (DatabaseId dbId : dbTree.getDbNamesAndIds().keySet()) {
final DatabaseImpl dbImpl = dbTree.getDb(dbId);
boolean releaseDbImpl = true;
try {
if (!needsConversion(dbImpl)) {
continue;
}
dbsToConvert.add(dbImpl);
releaseDbImpl = false;
} finally {
if (releaseDbImpl) {
dbTree.releaseDb(dbImpl);
}
}
}
if (dbsToConvert.size() == 0) {
return;
}
final DatabaseImpl[] dbArray = new DatabaseImpl[dbsToConvert.size()];
dbsToConvert.toArray(dbArray);
envImpl.preload(dbArray, preloadConfig);
} finally {
for (DatabaseImpl dbImpl : dbsToConvert) {
dbTree.releaseDb(dbImpl);
}
}
}
/** Converts all dup DBs that need conversion. */
public void convertDatabases() {
if (DEBUG) {
System.out.println("DupConvert.convertDatabases");
}
if (preloadAll) {
preloadAllDatabases();
}
for (DatabaseId dbId : dbTree.getDbNamesAndIds().keySet()) {
final DatabaseImpl dbImpl = dbTree.getDb(dbId);
try {
if (!needsConversion(dbImpl)) {
continue;
}
convertDatabase(dbImpl);
} finally {
dbTree.releaseDb(dbImpl);
}
}
assert noDupNodesPresent();
}
/**
* Get a database object given a database name.
*
* @param databaseName target database.
* @return null if database doesn't exist.
*/
public DatabaseImpl getDb(Locker locker, String databaseName, Database databaseHandle)
throws DatabaseException {
return dbMapTree.getDb(locker, databaseName, databaseHandle);
}