public Row(Schema a_Schema)
{
m_Schema = a_Schema;
}
void LoadSchema()
{
if (m_Schema == null)
{
m_Schema = new Schema();
m_Schema.ClassName = m_FileName;
int identity = m_Reader.ReadInt32();
if (m_Identity != identity)
{
return;
}
//read record number
m_recordsNumber = m_Reader.ReadInt32();
//read column number
int columnNumber = m_Reader.ReadInt32();
//create field define and fill field name.
for (int i = 0; i < columnNumber; ++i)
{
FieldDefine define = new FieldDefine();
define.FieldName = m_Reader.ReadString();
define.Index = i;
m_Schema.AddDefine(define);
}
//read field type.
for (int i = 0; i < columnNumber; ++i)
{
FieldDefine define = m_Schema.GetDefine(i);
define.FieldType = (FIELD_TYPE)m_Reader.ReadInt32();
}
}
}
bool WriteSchema(Schema a_schema, int a_recordsNumber)
{
if (!InitWriter())
{
return false;
}
//Write int ----- Identity
m_Writer.Write(m_Identity);
//Write int ----- RecordsNumber
m_Writer.Write(a_recordsNumber);
//Write int ----- columnsNumber
m_Writer.Write(a_schema.Count);
//Write string * columnsNumber ----- FieldName
for (int i = 0; i < a_schema.Count; ++i)
{
m_Writer.Write(a_schema.GetDefine(i).FieldName);
}
//Write int * columnsNumber ------ FieldType
for (int i = 0; i < a_schema.Count; ++i)
{
m_Writer.Write((int)a_schema.GetDefine(i).FieldType);
}
return true;
}
public bool Write(Schema schema, Row[] rows)
{
bool res = false;
res = WriteSchema(schema, rows.Length);
if (!res)
{
//Debug.Log("Write Error");
return false;
}
res = WriteData(rows, schema);
if (res)
{
m_stream.Close();
m_stream = null;
m_Writer.Close();
m_Writer = null;
}
return res;
}
bool WriteData(Row[] a_rows, Schema a_schema)
{
if (!InitWriter())
{
return false;
}
foreach (Row row in a_rows)
{
for (int i = 0; i < a_schema.Count; ++i)
{
FieldDefine define = a_schema.GetDefine(i);
switch (define.FieldType)
{
case FIELD_TYPE.T_INT:
m_Writer.Write((int)row.GetField(i).m_Value);
break;
case FIELD_TYPE.T_FLOAT:
m_Writer.Write((float)row.GetField(i).m_Value);
break;
case FIELD_TYPE.T_STRING:
m_Writer.Write(row.GetField(i).m_Value.ToString());
break;
case FIELD_TYPE.T_INVALID:
//Debug.LogError("Wrong Field Type.");
break;
default:
break;
}
}
}
return true;
}