Nhibernate compound primary key

Entity class:
Using system;
Using system. collections;

Namespace antu. Test {
# Region Flow

/// <Summary>
/// The Nhibernate ing Class flow of the database table "st_flow.
/// </Summary>
Public class Flow
{
# Region variable

Private flowkey _ flowkey;
Private string _ sname;
Private string _ ename;
Private bool _ isback;
Private float _ CX;
Private float _ Cy;
Private bool _ AC;

# Endregion

# Region Constructor

/// <Summary>
/// Initialize a new instance of the <see CREF = "flow"/> class.
/// </Summary>
Public flow (){}

/// <Summary>
/// Initialize a new instance of the <see CREF = "flow"/> class.
/// </Summary>
/// <Param name = "flowkey"> primary key. </Param>
/// <Param name = "sname">. </Param>
/// <Param name = "ename">. </Param>
/// <Param name = "isBack">. </Param>
/// <Param name = "cx">. </Param>
/// <Param name = "cy">. </Param>
/// <Param name = "ac">. </Param>
Public Flow (string sname, string ename, bool isBack, float cx, float cy, bool ac)
{
This. _ sname = sname;
This. _ ename = ename;
This. _ isBack = isBack;
This. _ cx = cx;
This. _ cy = cy;
This. _ ac = ac;
}

# Endregion

# Region attributes

/// <Summary>
/// Primary key.
/// </Summary>
Public virtual FlowKey MyFlowKey
{
Get {return _ flowKey ;}
Set {_ flowKey = value ;}
}

/// <Summary>
/// Start node.
/// </Summary>
Public virtual string Sname
{
Get {return _ sname ;}
Set
{
If (string. IsNullOrEmpty (value ))
Throw new ArgumentNullException ("Sname", "cannot be blank! ");
If (value! = Null & value. Length> 64)
Throw new ArgumentOutOfRangeException ("The Sname parameter value is invalid", value, value. ToString ());
_ Sname = value;
}
}

/// <Summary>
/// Terminate the node.
/// </Summary>
Public virtual string Ename
{
Get {return _ ename ;}
Set
{
If (string. IsNullOrEmpty (value ))
Throw new ArgumentNullException ("Ename", "cannot be blank! ");
If (value! = Null & value. Length> 64)
Throw new ArgumentOutOfRangeException ("the parameter value of Ename is invalid", value, value. ToString ());
_ Ename = value;
}
}

/// <Summary>
/// Whether it can be returned.
/// </Summary>
Public Virtual bool isback
{
Get {return _ isback ;}
Set {_ isback = value ;}
}

/// <Summary>
///.
/// </Summary>
Public Virtual float CX
{
Get {return _ CX ;}
Set {_ cx = value ;}
}

/// <Summary>
///.
/// </Summary>
Public virtual float Cy
{
Get {return _ cy ;}
Set {_ cy = value ;}
}

/// <Summary>
///.
/// </Summary>
Public virtual bool Ac
{
Get {return _ ac ;}
Set {_ ac = value ;}
}

# Endregion

}

/// <Summary>
/// Primary key class of the database table "ST_FLOW.
/// </Summary>
Public class FlowKey
{
Private string _ wid;
Private string _ fName;

/// <Summary>
/// Initialize a new instance of the <see cref = "StepKey"/> class.
/// </Summary>
Public FlowKey (){}

/// <Summary>
/// Initialize a new instance of the <see cref = "FlowKey"/> class.
/// </Summary>
/// <Param name = "wid"> process ID. </Param>
/// <Param name = "fName"> flow direction name. </Param>
Public FlowKey (string wid, string fName)
{
_ Wid = wid;
_ FName = fName;
}

/// <Summary>
/// Process ID.
/// </Summary>
Public string Wid
{
Set {_ wid = value ;}
Get {return _ wid ;}
}

/// <Summary>
/// Flow direction name.
/// </Summary>
Public string FName
{
Set {_ fName = value ;}
Get {return _ fName ;}
}

/// Two important steps
/// <Summary>
///
/// </Summary>
/// <Param name = "obj"> </param>
/// <Returns> </returns>
Public override bool Equals (object obj)
{
Return base. Equals (obj );
}

/// <Summary>
///
/// </Summary>
/// <Returns> </returns>
Public override int GetHashCode ()
{
Return base. gethashcode ();
}

}

# Endregion

Ing:
<? XML version = "1.0" encoding = "UTF-8"?>
<Hibernate-mapping xmlns = "urn: nhibernate-mapping-2.2">
<Class name = "antu. Data. Flow, antu. Data" table = "st_flow">
<Composite-ID class = "test. Data. flowkey, test. Data" name = "myflowkey">
<Key-property name = "wid" type = "string" column = "wid"/>
<Key-property name = "fname" type = "string" column = "fname"/>
</Composite-ID>
<Property name = "sname" type = "string">
<Column name = "sname" length = "64" SQL-type = "varchar2" not-null = "true"/>
</Property>
<Property name = "ename" type = "string">
<Column name = "ename" length = "64" SQL-type = "varchar2" not-null = "true"/>
</Property>
<Property name = "isback" type = "Boolean">
<Column name = "is_back" SQL-type = "Number" not-null = "true"/>
</Property>
<Property name = "CX" type = "single">
<Column name = "CX" SQL-type = "Number" not-null = "false"/>
</Property>
<Property name = "Cy" type = "Single">
<Column name = "CY" SQL-type = "NUMBER" not-null = "false"/>
</Property>
<Property name = "Ac" type = "Boolean">
<Column name = "AC" SQL-type = "NUMBER" not-null = "false"/>
</Property>
</Class>
</Hibernate-mapping>

// Call:
/// <Summary>
/// Update basic information data of land development and sorting.
/// </Summary>
/// <Param name = "iid"> case ID. </Param>
/// <Param name = "wid"> process ID. </Param>
/// <Param name = "fName"> flow direction name. </Param>
/// <! --
/// Created by: TEST
/// Creation Time: 2008-01-18
/// -->
Public static void UpdateBaseData (long iid, string wid, string fName)
{
// Update the status of each stage of the ut_kfzl_proj_neaten table
KfzlProjNeaten kfzlProjNeaten = KfzlProjNeatenHelper. Instance. Find (iid );
String [] arrstep = globalsetting. devsteppools. Split (',');

Flowkey key = new flowkey (WID, fname );
Flow flow = flowhelper. instance. Get (key );

}