Query table name and field name in hibernate

/**
* Hibernate object, attribute query table name, field name tool class
*
*/

Package com. cinwa. creditnet. Common;

Import java. util. iterator;

Import org. hibernate. cfg. configuration;
Import org. hibernate. Mapping. column;
Import org. hibernate. Mapping. persistentclass;
Import org. hibernate. Mapping. Property;
Import org. hibernate. Mapping. Table;

Public class hibernateparter {

Private Static configuration hibernateconf;

Private Static configuration gethibernateconf (){
If (hibernateconf = NULL ){
// Return new configuration (). Configure ();
Return new configuration ();
}
Return hibernateconf;
}

Private Static persistentclass getpersistentclass (class clazz ){

Synchronized (hibernateparter. Class ){
Persistentclass Pc = gethibernateconf (). getclassmapping (
Clazz. getname ());

If (Pc = NULL ){
Hibernateconf = gethibernateconf (). addclass (clazz );
PC = gethibernateconf (). getclassmapping (clazz. getname ());
}
Return PC;
}
}

/**
* Obtain the table name corresponding to the object.
* @ Param clazz entity class
* @ Return table name
*/
Public static string gettablename (class clazz ){
Return getpersistentclass (clazz). gettable (). getname ();
}

/**
* obtain the primary key field name of the table corresponding to the object
* @ Param clazz entity class
* @ return primary key field name
* /
Public static string getpkcolumnname (class clazz) {
Table = getpersistentclass (clazz ). gettable ();
return table. getprimarykey (). getcolumn (0 ). getname ();
}

/**
* using entity classes and attributes, obtain the table field name corresponding to the object class attribute
* @ Param clazz entity class
* @ Param propertyname attribute name
* @ return field name
*/
Public static string getcolumnname (class clazz, string propertyname) {
persistentclass = getpersistentclass (clazz);
Property = persistentclass. getproperty (propertyname);
iterator it = property. getcolumniterator ();
If (it. hasnext () {
column = (column) it. next ();
return column. getname ();
}< br> return NULL;
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