private Value ReadValue()
{
PropertyType type = type();
if (type == null)
{
return(Values.NO_VALUE);
}
switch (type.innerEnumValue)
{
case PropertyType.InnerEnum.BOOL:
return(ReadBoolean());
case PropertyType.InnerEnum.BYTE:
return(ReadByte());
case PropertyType.InnerEnum.SHORT:
return(ReadShort());
case PropertyType.InnerEnum.INT:
return(ReadInt());
case PropertyType.InnerEnum.LONG:
return(ReadLong());
case PropertyType.InnerEnum.FLOAT:
return(ReadFloat());
case PropertyType.InnerEnum.DOUBLE:
return(ReadDouble());
case PropertyType.InnerEnum.CHAR:
return(ReadChar());
case PropertyType.InnerEnum.SHORT_STRING:
return(ReadShortString());
case PropertyType.InnerEnum.SHORT_ARRAY:
return(ReadShortArray());
case PropertyType.InnerEnum.STRING:
return(ReadLongString());
case PropertyType.InnerEnum.ARRAY:
return(ReadLongArray());
case PropertyType.InnerEnum.GEOMETRY:
return(GeometryValue());
case PropertyType.InnerEnum.TEMPORAL:
return(TemporalValue());
default:
throw new System.InvalidOperationException("Unsupported PropertyType: " + type.name());
}
}
public override bool Next()
{
while (true)
{
//Figure out number of blocks of record
int numberOfBlocks = NumberOfBlocks;
while (_block < numberOfBlocks)
{
//We have just read a record, so we are at the beginning
if (_block == INITIAL_POSITION)
{
_block = 0;
}
else
{
//Figure out the type and how many blocks that are used
long current = CurrentBlock();
PropertyType type = PropertyType.getPropertyTypeOrNull(current);
if (type == null)
{
break;
}
_block += type.calculateNumberOfBlocksUsed(current);
}
//nothing left, need to read a new record
if (_block >= numberOfBlocks || Type() == null)
{
break;
}
return(true);
}
if (_next == NO_ID)
{
return(false);
}
Property(this, _next, _page);
_next = NextProp;
_block = INITIAL_POSITION;
}
}
public override ValueGroup PropertyType()
{
PropertyType type = type();
if (type == null)
{
return(ValueGroup.NO_VALUE);
}
switch (type.innerEnumValue)
{
case PropertyType.InnerEnum.BOOL:
return(ValueGroup.BOOLEAN);
case PropertyType.InnerEnum.BYTE:
case PropertyType.InnerEnum.SHORT:
case PropertyType.InnerEnum.INT:
case PropertyType.InnerEnum.LONG:
case PropertyType.InnerEnum.FLOAT:
case PropertyType.InnerEnum.DOUBLE:
return(ValueGroup.NUMBER);
case PropertyType.InnerEnum.STRING:
case PropertyType.InnerEnum.CHAR:
case PropertyType.InnerEnum.SHORT_STRING:
return(ValueGroup.TEXT);
case PropertyType.InnerEnum.TEMPORAL:
case PropertyType.InnerEnum.GEOMETRY:
case PropertyType.InnerEnum.SHORT_ARRAY:
case PropertyType.InnerEnum.ARRAY:
// value read is needed to get correct value group since type is not fine grained enough to match all ValueGroups
return(PropertyValue().valueGroup());
default:
throw new System.NotSupportedException("not implemented");
}
}
private PropertyType Type()
{
return(PropertyType.getPropertyTypeOrNull(CurrentBlock()));
}