Method encodeStruct

src/main/java/Database.java:781–823

(DBElement element)

  }

  private int encodeStruct(DBElement element)
    throws DBException
  {
    DBList list = (DBList)element.getValue();
    int fieldCount = list.getElementCount();
    int fieldOffset = 0;

    if (this.structArrayCount == this.structArraySize) {
      this.structArraySize += 2000;
      byte[] buffer = new byte[12 * this.structArraySize];
      System.arraycopy(this.structBuffer, 0, buffer, 0, this.structArrayCount * 12);
      this.structBuffer = buffer;
    }

    int structIndex = this.structArrayCount++;

    if (fieldCount == 1) {
      fieldOffset = encodeField(list.getElement(0));
    } else if (fieldCount > 1) {
      int indexLength = 4 * fieldCount;
      if (this.fieldIndicesLength + indexLength > this.fieldIndicesSize) {
        int increment = Math.max(indexLength, 8000);
        this.fieldIndicesSize += increment;
        byte[] buffer = new byte[this.fieldIndicesSize];
        System.arraycopy(this.fieldIndicesBuffer, 0, buffer, 0, this.fieldIndicesLength);
        this.fieldIndicesBuffer = buffer;
      }

      fieldOffset = this.fieldIndicesLength;
      this.fieldIndicesLength += indexLength;
      for (int i = 0; i < fieldCount; i++) {
        int fieldIndex = encodeField(list.getElement(i));
        setInteger(fieldIndex, this.fieldIndicesBuffer, fieldOffset + 4 * i);
      }

    }

    int structOffset = structIndex * 12;
    setInteger(element.getID(), this.structBuffer, structOffset);
    setInteger(fieldOffset, this.structBuffer, structOffset + 4);
    setInteger(fieldCount, this.structBuffer, structOffset + 8);
    return structIndex;
  }

  private int encodeList(DBElement element)
    throws DBException