void appendValue(final Bytes value) {
if (value.remaining() + 4 > tmpBytes.remaining())
throw new IllegalArgumentException(
"Value too large for entry was "
+ (value.remaining() + 4)
+ ", remaining: "
+ tmpBytes.remaining());
tmpBytes.writeStopBit(value.remaining());
tmpBytes.position(align(tmpBytes.position()));
tmpBytes.write(value);
}
void directPut(final Bytes key, final Bytes value, int hash2) {
lock();
try {
hash2 = hashLookup.startSearch(hash2);
while (true) {
final int pos = hashLookup.nextPos();
if (pos < 0) {
directPutEntry(key, value, hash2);
return;
} else {
final long offset = entriesOffset + pos * entrySize;
tmpBytes.storePositionAndSize(bytes, offset, entrySize);
if (!keyEquals(key, tmpBytes)) continue;
final long keyLength = key.remaining();
tmpBytes.skip(keyLength);
appendValue(value);
return;
}
}
} finally {
unlock();
}
}
void directRemove(final Bytes keyBytes, int hash2) {
lock();
try {
hash2 = hashLookup.startSearch(hash2);
while (true) {
final int pos = hashLookup.nextPos();
if (pos < 0) {
return;
} else {
final long offset = entriesOffset + pos * entrySize;
tmpBytes.storePositionAndSize(bytes, offset, entrySize);
if (!keyEquals(keyBytes, tmpBytes)) continue;
final long keyLength =
align(keyBytes.remaining() + tmpBytes.position()); // includes the stop bit length.
tmpBytes.position(keyLength);
hashLookup.remove(hash2, pos);
decrementSize();
freeList.clear(pos);
if (pos < nextSet) nextSet = pos;
return;
}
}
} finally {
unlock();
}
}
boolean keyEquals(Bytes keyBytes, MultiStoreBytes tmpBytes) {
// check the length is the same.
long keyLength = tmpBytes.readStopBit();
return keyLength == keyBytes.remaining() && tmpBytes.startsWith(keyBytes);
}
private void writeKey(Bytes keyBytes, long offset) {
tmpBytes.storePositionAndSize(bytes, offset, entrySize);
long keyLength = keyBytes.remaining();
tmpBytes.writeStopBit(keyLength);
tmpBytes.write(keyBytes);
}