/**
* @param keyBytes
* @param value
* @param hash2
* @return
*/
V acquireEntry(DirectBytes keyBytes, V value, int hash2) {
value = createValueIfNull(value);
final int pos = nextFree();
final long offset = entriesOffset + pos * entrySize;
tmpBytes.storePositionAndSize(bytes, offset, entrySize);
final long keyLength = keyBytes.remaining();
tmpBytes.writeStopBit(keyLength);
tmpBytes.write(keyBytes);
if (value instanceof Byteable) {
Byteable byteable = (Byteable) value;
int length = byteable.maxSize();
tmpBytes.writeStopBit(length);
tmpBytes.position(align(tmpBytes.position()));
if (length > tmpBytes.remaining())
throw new IllegalStateException(
"Not enough space left in entry for value, needs "
+ length
+ " but only "
+ tmpBytes.remaining()
+ " left");
tmpBytes.zeroOut(tmpBytes.position(), tmpBytes.position() + length);
byteable.bytes(bytes, offset + tmpBytes.position());
} else {
appendInstance(keyBytes, value);
}
// add to index if successful.
hashLookup.put(hash2, pos);
incrementSize();
return value;
}
/**
* Reads from {@link this.tmpBytes} an object at {@param offset}, will reuse {@param value} if
* possible, to reduce object creation.
*
* @param offset the offset to read the data from
* @param value the object to reuse ( if possible ), if null a new object will be created an
* object and no reuse will occur.
*/
@SuppressWarnings("unchecked")
V readObjectUsing(V value, final long offset) {
if (value instanceof Byteable) {
((Byteable) value).bytes(bytes, offset);
return value;
}
if (generatedValueType) {
if (value == null) value = DataValueClasses.newInstance(vClass);
((BytesMarshallable) value).readMarshallable(tmpBytes);
return value;
}
return tmpBytes.readInstance(vClass, value);
}
@Before
public void setup() throws IOException {
value = DataValueClasses.newDirectReference(IntValue.class);
((Byteable) value).bytes(new ByteBufferBytes(ByteBuffer.allocateDirect(4)), 0);
final InetSocketAddress endpoint = new InetSocketAddress("localhost", s_port + 1);
timeProvider =
new TimeProvider() {
Random rnd = new Random(4);
@Override
public long currentTime() {
if (rnd.nextBoolean()) return t++;
else return t;
}
};
{
final TcpTransportAndNetworkConfig tcpConfig1 =
TcpTransportAndNetworkConfig.of(s_port, endpoint);
map1 =
ChronicleMapBuilder.of(Integer.class, CharSequence.class)
.entries(Builder.SIZE)
.timeProvider(timeProvider)
.replication((byte) 1, tcpConfig1)
.create();
}
{
final TcpTransportAndNetworkConfig tcpConfig2 = TcpTransportAndNetworkConfig.of(s_port + 1);
map2 =
ChronicleMapBuilder.of(Integer.class, CharSequence.class)
.entries(Builder.SIZE)
.timeProvider(timeProvider)
.replication((byte) 2, tcpConfig2)
.create();
}
s_port += 2;
}