internal static CustomObject FromBytes(byte[] entryBytes, AttributeDefinition attributeDefinition)
{
CustomObject obj = new CustomObject()
{
AttributeDefinition = attributeDefinition
};
switch (attributeDefinition.Type)
{
case ValueType.String:
obj.Value = System.Text.Encoding.UTF8.GetString(entryBytes);
break;
case ValueType.Integer:
obj.Value = BitConverter.ToInt32(entryBytes, 0);
break;
case ValueType.UnsignedInteger:
obj.Value = BitConverter.ToUInt32(entryBytes, 0);
break;
case ValueType.Boolean:
obj.Value = BitConverter.ToBoolean(entryBytes, 0);
break;
}
return(obj);
}
internal bool Joins(CustomTuple rightTuple, AttributeDefinition leftJoinColumn, AttributeDefinition rightJoinColumn)
{
CustomObject left = GetEntryFor(leftJoinColumn.Name);
CustomObject right = rightTuple.GetEntryFor(rightJoinColumn.Name);
if (left.IsEqualTo(right))
{
return(true);
}
return(false);
}
internal CustomTuple FromRecord(Record record)
{
int i = 0;
int ii = 0;
foreach (AttributeDefinition attributeDefinition in Relation)
{
int nextOffsetBytes = record.Offsets.Count > ii + 1 ? record.Offsets[ii + 1].Bytes : record.Content.Length;
byte[] entryBytes = record.Content.Skip(i).Take(nextOffsetBytes - record.Offsets[ii].Bytes).ToArray();
Entries.Add(CustomObject.FromBytes(entryBytes, attributeDefinition));
i += entryBytes.Length;
ii++;
}
return(this);
}
public bool IsEqualTo(CustomObject otherObject)
{
CustomValueComparer comparer = Comparers.GetComparer(AttributeDefinition.Type);
return(comparer.IsEqualTo(Value, otherObject.Value));
}