private void writePropertyRecord(PropertyRecord record) throws IOException {
byte inUse = record.inUse() ? Record.IN_USE.byteValue() : Record.NOT_IN_USE.byteValue();
if (record.getRelId() != -1) {
// Here we add 2, i.e. set the second lsb.
inUse += Record.REL_PROPERTY.byteValue();
}
channel.put(inUse); // 1
channel.putLong(record.getNextProp()).putLong(record.getPrevProp()); // 8 + 8
long nodeId = record.getNodeId();
long relId = record.getRelId();
if (nodeId != -1) {
channel.putLong(nodeId); // 8 or
} else if (relId != -1) {
channel.putLong(relId); // 8 or
} else {
// means this records value has not changed, only place in
// prop chain
channel.putLong(-1); // 8
}
channel.put((byte) record.numberOfProperties()); // 1
for (PropertyBlock block : record) {
assert block.getSize() > 0 : record + " seems kinda broken";
writePropertyBlock(block);
}
writeDynamicRecords(record.getDeletedRecords());
}
private void writePropertyBlock(PropertyBlock block) throws IOException {
byte blockSize = (byte) block.getSize();
assert blockSize > 0 : blockSize + " is not a valid block size value";
channel.put(blockSize); // 1
long[] propBlockValues = block.getValueBlocks();
for (long propBlockValue : propBlockValues) {
channel.putLong(propBlockValue);
}
/*
* For each block we need to keep its dynamic record chain if
* it is just created. Deleted dynamic records are in the property
* record and dynamic records are never modified. Also, they are
* assigned as a whole, so just checking the first should be enough.
*/
if (block.isLight()) {
/*
* This has to be int. If this record is not light
* then we have the number of DynamicRecords that follow,
* which is an int. We do not currently want/have a flag bit so
* we simplify by putting an int here always
*/
channel.putInt(0); // 4 or
} else {
writeDynamicRecords(block.getValueRecords());
}
}