/** Clears the data structuress, making them elligible for garbage collection. */
void clearStructures() {
if (schemaManager != null) {
schemaManager.release();
}
if (checkpointRunner != null) {
checkpointRunner.stop();
}
if (timeoutRunner != null) {
timeoutRunner.stop();
}
granteeManager = null;
userManager = null;
nameManager = null;
schemaManager = null;
sessionManager = null;
dbInfo = null;
checkpointRunner = null;
timeoutRunner = null;
}
