| 1 | package de.uka.ipd.sdq.sensorframework.dao.file.entities; |
| 2 | |
| 3 | |
| 4 | import de.uka.ipd.sdq.sensorframework.entities.ScalabilitySensor; |
| 5 | import de.uka.ipd.sdq.sensorframework.storage.lists.ISerialiser; |
| 6 | |
| 7 | /**TODO document me!!! |
| 8 | * Raw type... |
| 9 | * @author Paul-Remis Beauvais |
| 10 | * |
| 11 | */ |
| 12 | public class ParameterValueSerialiser implements ISerialiser { |
| 13 | |
| 14 | //HashMap<Long, State> hashMap = new HashMap<Long, State>(); |
| 15 | private int nbParameters; |
| 16 | |
| 17 | public ParameterValueSerialiser(ScalabilitySensor sSensor){ |
| 18 | nbParameters = 1; |
| 19 | /*for (State s : stateSensor.getSensorStates()) { |
| 20 | hashMap.put(s.getStateID(),s); |
| 21 | }*/ |
| 22 | } |
| 23 | |
| 24 | public Object[] deserialise(byte[] bytes) { |
| 25 | if (bytes.length < 4) { |
| 26 | return new Double[0][0]; |
| 27 | } |
| 28 | int blockPos = 0; |
| 29 | int nb = 0; |
| 30 | for (int i = 3; i >=0; i--) { |
| 31 | nb = nb << 4; |
| 32 | nb |= bytes[blockPos+i] < 0 ? 256 + bytes[blockPos+i] : bytes[blockPos+i]; |
| 33 | } |
| 34 | blockPos += 4; |
| 35 | nbParameters = nb; |
| 36 | Double[][] values = new Double[(int)((bytes.length - 4)/ getElementLength())][nbParameters]; |
| 37 | |
| 38 | |
| 39 | |
| 40 | for (int j = 0; j<values.length; j++){ |
| 41 | for (int k = 0; k < nbParameters; k++) { |
| 42 | long l = 0; |
| 43 | for (int i = 7; i >=0; i--) { |
| 44 | l = l << 8; |
| 45 | l |= bytes[blockPos+i] < 0 ? 256 + bytes[blockPos+i] : bytes[blockPos+i]; |
| 46 | } |
| 47 | blockPos += 8; |
| 48 | values[j][k] = Double.valueOf(l);//hashMap.get(l); |
| 49 | } |
| 50 | |
| 51 | //if (states[j] == null) |
| 52 | // throw new RuntimeException("State could not be deserialized as it returned null values for states."); |
| 53 | } |
| 54 | |
| 55 | return values; |
| 56 | } |
| 57 | |
| 58 | public long getElementLength() { |
| 59 | return 8*nbParameters; |
| 60 | } |
| 61 | |
| 62 | public byte[] serialise(Object[] objects, int count) { |
| 63 | |
| 64 | if (count>0) { |
| 65 | nbParameters = ((Double[])objects[0]).length; |
| 66 | } |
| 67 | byte[] block = new byte[(int)(count*getElementLength()+4)];; |
| 68 | int blockPos = 0; |
| 69 | |
| 70 | int nb = nbParameters; |
| 71 | for (int i = 0; i < 4; i++) { |
| 72 | block[blockPos++] = (byte)(nb & 0xff); |
| 73 | nb = nb >> 4; |
| 74 | } |
| 75 | |
| 76 | for (int j = 0; j < count; j++){ |
| 77 | Double[] serie = (Double[])objects[j]; |
| 78 | |
| 79 | |
| 80 | for (int k = 0; k < nbParameters; k++) { |
| 81 | |
| 82 | |
| 83 | |
| 84 | long l = ((Double)serie[k]).longValue(); |
| 85 | for (int i = 0; i < 8; i++) { |
| 86 | block[blockPos++] = (byte)(l & 0xff); |
| 87 | l = l >> 8; |
| 88 | } |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | |
| 93 | return block; |
| 94 | } |
| 95 | |
| 96 | |
| 97 | } |