Public class Loan {

private String iLoanID;
private long iLoanNo;
....
....
private Collection iApplicantCollection;

//Constructors
......
//Setters n Getters

}


Public class Applicant {

private String iLoanID;
private String iApplicantID;
private String iApplicantName;
....
....
private Collection iApplicantDependentCollection;

//Constructors
......
//Setters n Getters

}


Public class ApplicantDependent {

private String iLoanID;
private String iApplicantID;
private String iApplicantDependentID;
private String iApplicantDependentName;
....
//Constructors
......
//Setters n Getters

}

//Created for Composite ID's in mapping
Public class ApplicantID {

private String iLoanID;
private String iApplicantID;
....
//Constructors
......
//Setters n Getters

}

Public class ApplicantDependentID {

private String iLoanID;
private String iApplicantID;
private String iApplicantDependentID;
....
//Constructors
......
//Setters n Getters

}

//mapping files
[i]loan.hbm.xml[/i]

<class name="Loan" table="LOAN" dynamic-insert="true" dynamic-update="true">

  <id name="loanId" type="string" unsaved-value="any">
        <column name="LOANID"/>
        <generator class="assigned">
  </id>

<property name="loanNo" />
...........

<bag name="applicantCollection" table="APPLICANT" cascade="all" lazy="true" inverse="true">

          <key>
                  <column name="LOANID" not-null="true"/>
          </key>
          <one-to-many class="Applicant"/>
</bag>
</class>
[i]applicant.hbm.xml[/i]

<class name="Applicant" table="APPLICANT" dynamic-insert="true" dynamic-update="true">

  <composite-id class="ApplicantID" >
       <key-property name="loanID" />     
       <key-property name="applicantID" />

  </composite-id>

<property name="applicantName" />
...........

<bag name="applicantDependentCollection" table="APPLICANTDEPENDENT" cascade="all" lazy="true" inverse="true">

          <key>
                  <column name="LOANID" not-null="true"/>
                  <column name="APPLICANTID" not-null="true"/>
          </key>
          <one-to-many class="ApplicantDependent"/>
</bag>

<many-to-one class="Loan">
        <key>
                  <column name="LOANID" not-null="true"/>
                 
          </key>

</many-to-one>

</class>

[i]applicantdependent.hbm.xml[/i]

<class name="ApplicantDependent" table="APPLICANTDEPENDENT" dynamic-insert="true" dynamic-update="true">

  <composite-id class="ApplicantDependentID" >
       <key-property name="loanID" />     
       <key-property name="applicantID" />
       <key-property name="applicantDependentID" />
  </composite-id>

<property name="applicantDependentName" />
...........
...........

<many-to-one class="Applicant">
          <key>
                  <column name="LOANID" not-null="true"/>
                  <column name="APPLICANTID" not-null="true"/>

          </key>

</many-to-one>

</class>