src/java/iotcloud/KeyValue.java

   1 package iotcloud;
   2 import java.nio.ByteBuffer;
   3
   4 class KeyValue extends Entry {
   5         private IoTString key;
   6         private IoTString value;
   7
   8         KeyValue(Slot slot, IoTString _key, IoTString _value) {
   9                 super(slot);
  10                 key=_key;
  11                 value=_value;
  12         }
  13
  14         IoTString getKey() {
  15                 return key;
  16         }
  17
  18         IoTString getValue() {
  19                 return value;
  20         }
  21
  22         static Entry decode(Slot slot, ByteBuffer bb) {
  23                 int keylength=bb.getInt();
  24                 int valuelength=bb.getInt();
  25                 byte[] key=new byte[keylength];
  26                 byte[] value=new byte[valuelength];
  27                 bb.get(key);
  28                 bb.get(value);
  29                 return new KeyValue(slot, IoTString.shallow(key), IoTString.shallow(value));
  30         }
  31
  32         void encode(ByteBuffer bb) {
  33                 bb.put(Entry.TypeKeyValue);
  34                 bb.putInt(key.length());
  35                 bb.putInt(value.length());
  36                 bb.put(key.internalBytes());
  37                 bb.put(value.internalBytes());
  38         }
  39
  40         int getSize() {
  41                 return 2*Integer.BYTES+key.length()+value.length()+Byte.BYTES;
  42         }
  43
  44         byte getType() {
  45                 return Entry.TypeKeyValue;
  46         }
  47 }