private boolean growDatabaseByConfiguredSize() {
int reservedStorageSpace = configImpl().databaseGrowthSize();
if (reservedStorageSpace <= 0) {
return false;
}
int reservedBlocks = _blockConverter.bytesToBlocks(reservedStorageSpace);
int reservedBytes = _blockConverter.blocksToBytes(reservedBlocks);
Slot slot = new Slot(_blockEndAddress, reservedBlocks);
if (Debug4.xbytes && Deploy.overwrite) {
overwriteDeletedBlockedSlot(slot);
} else {
writeBytes(new ByteArrayBuffer(reservedBytes), _blockEndAddress, 0);
}
_freespaceManager.free(_blockConverter.toNonBlockedLength(slot));
_blockEndAddress += reservedBlocks;
return true;
}
public void free(Slot slot) {
if (slot.isNull()) {
return;
// TODO: This should really be an IllegalArgumentException but old database files
// with index-based FreespaceManagers appear to deliver zeroed slots.
// throw new IllegalArgumentException();
}
if (_freespaceManager == null) {
// Can happen on early free before freespacemanager
// is up, during conversion.
return;
}
if (DTrace.enabled) {
DTrace.FILE_FREE.logLength(slot.address(), slot.length());
}
_freespaceManager.free(slot);
}