コード例 #1
0
    /**
     * @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;
    }
コード例 #2
0
 /**
  * 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);
 }
コード例 #3
0
  @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;
  }