public void writeBytes(int record, ByteSequence bytes, boolean fixedSize) throws IOException {
synchronized (myLock) {
final int requiredLength = bytes.getLength();
final int currentCapacity = myRecordsTable.getCapacity(record);
final int currentSize = myRecordsTable.getSize(record);
assert currentSize >= 0;
if (requiredLength == 0 && currentSize == 0) return;
final long address;
if (currentCapacity >= requiredLength) {
address = myRecordsTable.getAddress(record);
} else {
myDataTable.reclaimSpace(currentCapacity);
int newCapacity =
fixedSize
? requiredLength
: myCapacityAllocationPolicy.calculateCapacity(requiredLength);
if (newCapacity < requiredLength) newCapacity = requiredLength;
address = myDataTable.allocateSpace(newCapacity);
myRecordsTable.setAddress(record, address);
myRecordsTable.setCapacity(record, newCapacity);
}
myDataTable.writeBytes(address, bytes.getBytes(), bytes.getOffset(), bytes.getLength());
myRecordsTable.setSize(record, requiredLength);
}
}
protected void doDeleteRecord(int record) throws IOException {
myDataTable.reclaimSpace(myRecordsTable.getCapacity(record));
myRecordsTable.deleteRecord(record);
}