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shaik shafak
How to save array of UserType in Oracle using Hibernate.
0 Answer(s)      3 years and 2 months ago
Posted in : Hibernate


Hi How to save array of UserType in Oracle using Hibernate.

CREATE OR REPLACE TYPE ADDRESS_TY AS OBJECT ( plot number(4), street varchar2(20), city varchar2(20) );

CREATE OR REPLACE TYPE ADDRESSTYARR AS VARRAY(100) OF ADDRESS_TY;

Create Table EMPLOYEEARR(EMPID VARCHAR2(10),ADDRESSES ADDRESSTY_ARR);

EmpAddress.hbm.xml

<class name="EmpAddressArr" table="EMPLOYEE_ARR">
  <!-- cache usage="read-only"/-->
      <id name="empid" column="EMPID" type="string"/>
      <property name="empAddressArray" column="ADDRESSES" type= "pojos.EmpAddressArrTY"/>  </class>

public class AddressVO {

      private int plot;
      private String street;
      private String city;
      //setters and getters
}

public class EmpAddressArrTY implements UserType {

//implemented all other required methods public void nullSafeSet(PreparedStatement arg0, Object arg1, int arg2)
                  throws HibernateException, SQLException {
            if(arg1==null){
                  ArrayDescriptor arrdesc=new ArrayDescriptor( "ADDRESS_TY_ARR",arg0.getConnection());
                  ARRAY array =new ARRAY(arrdesc, arg0.getConnection(), null);
                  arg0.setObject(arg2,array);
            }else{
                  HashSet set = (HashSet)arg1;
                  Object [] objs = (Object[])set.toArray();
                  AddressVO []addr = new AddressVO[objs.length];
                  for(int i=0;i<objs.length;i++)
                  {   addr[i] = (AddressVO)objs[i];   }

                  ArrayDescriptor arrdesc=new ArrayDescriptor( "ADDRESS_TY_ARR",arg0.getConnection());
                  ARRAY array =new ARRAY(arrdesc, arg0.getConnection(), addr);
                  arg0.setArray(arg2,array);
            }
      }
}

Getting following exception: java.sql.SQLException: Fail to convert to internal representation: pojos.AddressVO@83b1b

Thanks in advance.


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