/// <summary>
/// “=”比较指定值与指定属性
/// </summary>
/// <param name="attributeName">比较的属性</param>
/// <param name="attributeValue">指定值</param>
public void AddEqualTo(string attributeName, object attributeValue)
{
SelectionCriteria criteria;
criteria = new SelectionCriteria(SelectionTypes.EqualTo,
this._classMap.GetAttributeMap(attributeName, true), attributeValue, this._classMap);
this.parameters.Add(criteria);
}
//Return select sql statment for association
public IDbCommand GetSelectSqlFor(SelectionCriteria aSelectionCriteria)
{
if (select == null)
{
this.select = new SelectCommander(this);
}
return(this.select.BuildForSelectionCriteria(aSelectionCriteria));
}
/// <summary>
/// 与给定的列表list里的值不匹配
/// </summary>
/// <param name="attributeName">属性</param>
/// <param name="list">值列表</param>
public void AddNotIn(string attributeName, object[] list)
{
if (list == null || list.Length == 0)
{
throw new PlException("传入的list长度不能为0！");
}
SelectionCriteria selection = new SelectionCriteria(SelectionTypes.NotIn,
this._classMap.GetAttributeMap(attributeName, true), list, _classMap);
this.parameters.Add(selection);
}
/// <summary>
/// ">"比较第一个字段是否大于第二个字段
/// </summary>
/// <param name="attributeName">第一个字段名称</param>
/// <param name="attributeName2">第二个字段名称</param>
public void AddGreaterThanField(string attributeName, string attributeName2)
{
if (attributeName2 == null)
{
throw new PlException(NO_FIELD);
}
SelectionCriteria criteria;
criteria = new SelectionCriteria(SelectionTypes.GreaterThan,
this._classMap.GetAttributeMap(attributeName, true), this._classMap.GetAttributeMap(attributeName2, true), _classMap);
this.parameters.Add(criteria);
}
/// <summary>
/// “>”比较指定值与指定属性
/// </summary>
/// <param name="attributeName">比较的属性</param>
/// <param name="attributeValue">指定值</param>
public void AddGreaterThan(string attributeName, object attributeValue)
{
if (attributeValue == null)
{
throw new PlException(NO_NULLl);
}
SelectionCriteria criteria;
criteria = new SelectionCriteria(SelectionTypes.GreaterThan,
this._classMap.GetAttributeMap(attributeName, true), attributeValue, _classMap);
this.parameters.Add(criteria);
}
/// <summary>
/// 指定子字符串与指定属匹配
/// </summary>
/// <param name="attributeName">属性</param>
/// <param name="attributeValue">指定字符串</param>
public void AddMatch(string attributeName, string attributeValue)
{
if (attributeValue == null)
{
throw new PlException(NO_NULLl);
}
SelectionCriteria criteria;
attributeValue = "%" + attributeValue + "%";
criteria = new SelectionCriteria(SelectionTypes.Match,
this._classMap.GetAttributeMap(attributeName, true), attributeValue, _classMap);
this.parameters.Add(criteria);
}
public IDbCommand BuildForSelectionCriteria(SelectionCriteria aSelectionCriteria)
{
string partOfCriteria = " WHERE 1=1 ";
if (this.clsMap.SuperClass != null)
{
partOfCriteria += " AND " + _stringForInherit;
}
partOfCriteria += " AND " + aSelectionCriteria.AsSqlClause();
IDbCommand cmd = clsMap.RelationalDatabase.GetCommand();
cmd.CommandText = this._selecFromClause + partOfCriteria;
return(cmd);
}