public ClientPropertyValue(ClientPropertyDefine def, ClientPropertyDataType dataType, string stringValue)
{
InitFromPropertyDefine(def);
this._DataType = dataType;
this._StringValue = InitDefaultValue(dataType, stringValue);
}
private void InitFromPropertyDefine(ClientPropertyDefine def)
{
ExceptionHelper.FalseThrow <ArgumentNullException>(def != null, "def");
this._AlterKey = def.Name;
this._StringValue = def.DefaultValue;
this._DataType = def.DataType;
this._StringValue = InitDefaultValue(this._DataType, def.DefaultValue);
}
/// <summary>
/// 获取集合中指定键所对应的值
/// </summary>
/// <typeparam name="T">默认值的类型</typeparam>
/// <param name="defaultValue">缺省值</param>
/// <returns> 属性的值 或 缺省值</returns>
public T GetValue <T>(ClientPropertyDefine def, T defaultValue)
{
T result = defaultValue;
def.NullCheck("def");
ClientPropertyValue v = this[def.Name];
if (v != null)
{
result = (T)DataConverter.ChangeType(v.StringValue, result.GetType());
}
return(result);
}
/// <summary>
/// 设置属性的值。如果该属性不存在，则抛出异常
/// </summary>
/// <param name="def">属性定义</param>
/// <param name="name"></param>
/// <param name="stringValue"></param>
public void SetValue(ClientPropertyDefine def, string stringValue)
{
this.TrySetValue(def, stringValue).FalseThrow("不能找到名称为{0}的属性", def.Name);
}
/// <summary>
/// 尝试去设置属性。如果该属性不存在，则返回false，否则返回true
/// </summary>
/// <param name="def"></param>
/// <param name="stringValue">空值，将取默认值</param>
/// <returns></returns>
public bool TrySetValue(ClientPropertyDefine def, string stringValue)
{
return(TrySetValue(def.Name, stringValue));
}
public ClientPropertyValue(ClientPropertyDefine def)
{
InitFromPropertyDefine(def);
}