Query<KObject>query=session.createQuery("from "+ContractConstant.ENTITY_CONTRACT+" where valid = 1 and purchaseSandUnit.id =:purchaseSandUnit",KObject.class);
privateStringQUERY_HQL=
"from "+ContractConstant.ENTITY_CONTRACT+" where contractState =:contractState and purchaseSandUnit.id =:purchaseSandUnit ";