Integer trintn = new Integer(31402021);
      session.get(Trans.class, trintn);

<hibernate-mapping package="scc.ar.model">
  <class dynamic-update="true" name="Trans" table="Trans">
    <id column="trintn" name="trintn">
      <generator class="native">
        <param name="sequence">trans_trintn_seq</param>
      </generator>
    </id>
    <many-to-one class="Account" name="tracintn" cascade="save-update" column="tracintn"/>
    <many-to-one class="Invoice" name="trvtintnTrinext" insert="false" update="false" cascade="save-update">
      <column name="trvtintn"/>
      <column name="trinext"/>
    </many-to-one>
    <many-to-one class="Rmtbatchadj" name="trrbaintn" cascade="save-update" column="trrbaintn"/>
    <many-to-one class="Rmtclaim" name="trrcintn" cascade="save-update" column="trrcintn"/>
    <many-to-one class="Visit" name="trppmtvtintn" cascade="save-update" column="trppmtvtintn"/>
    <many-to-one class="Trtype" name="trttcode" cascade="save-update" column="trttcode"/>
    <many-to-one class="Visit" name="trvtintn" cascade="save-update" column="trvtintn"/>
    <many-to-one class="Batch" name="trbtintn" cascade="save-update" column="trbtintn"/>
    <many-to-one class="Payor" name="trpyocode" cascade="save-update" column="trpyocode"/>
    <property name="trinext" column="trinext" type="big_decimal"/>
    <property name="trdt" column="trdt" type="timestamp"/>
    <property name="trdesc" column="trdesc" type="string"/>
    <property name="tramt" column="tramt" type="scc.ar.model.utils.MonetaryAmountUserType"/>
    <property name="trtaxamt" column="trtaxamt" type="scc.ar.model.utils.MonetaryAmountUserType"/>
    <property name="trpostdtm" column="trpostdtm" type="timestamp"/>
    <property name="trpostusr" column="trpostusr" type="string"/>
    <property name="trblktrintn" column="trblktrintn" type="big_decimal"/>
    <property name="trcmptrintn" column="trcmptrintn" type="big_decimal"/>
    <property name="trtype" column="trtype">
      <type name="scc.ar.model.utils.EnumUserType">
        <param name="enumClassName">scc.ar.model.enums.eTrtype</param>
      </type>
    </property>
    <property name="trprnconf" column="trprnconf" type="big_decimal"/>
    <property name="trdunlvl" column="trdunlvl" type="big_decimal"/>
    <property name="trnextactdt" column="trnextactdt" type="timestamp"/>
    <property name="trstat" column="trstat">
      <type name="scc.ar.model.utils.EnumUserType">
        <param name="enumClassName">scc.ar.model.enums.eTransrecstat</param>
      </type>
    </property>
    <property name="trcreatdtm" column="trcreatdtm" type="timestamp"/>
    <property name="treditdtm" column="treditdtm" type="timestamp"/>
    <property name="trcreatby" column="trcreatby" type="string"/>
    <property name="treditby" column="treditby" type="string"/>
    <property name="trflags" column="trflags" type="big_decimal"/>
    <property name="trglpostdtm" column="trglpostdtm" type="timestamp"/>
    <property name="trrevers" column="trrevers">
      <type name="scc.ar.model.utils.EnumUserType">
        <param name="enumClassName">scc.ar.model.enums.eTrrevers</param>
      </type>
    </property>
    <property name="trbillto" column="trbillto" type="string"/>
    <set name="dttrintnSet" inverse="true">
      <key column="dttrintn"/>
      <one-to-many class="Dettrans"/>
    </set>
  </class>
</hibernate-mapping>