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Hibernate version:3.2.5

Name and version of the database you are using:Oracle9i

Mapping file:


<class name="com.uprr.app.cbs.common.ibill.IndustryBill" table="CBS_IND_BILL" schema="CBS" >

<id name="industryBillId" type="java.lang.Long">
<column name="IND_BILL_ID" precision="9" scale="0" />
<generator class="sequence">
<param name="sequence">cbs_ind_bill_q1</param>
</generator>
</id>

<property name="acctId" type="java.lang.Long">
<column name="ACCT_ID" precision="9" scale="0" not-null="true" />
</property>

<property name="incdDt" type="java.util.Date">
<column name="INCD_DT" length="7" not-null="true" />
</property>

<property name="carmHrsCnt" type="big_decimal">
<column name="CARM_HRS_CNT" precision="6" scale="0" />
</property>

<property name="crmnChrgAmt" type="big_decimal">
<column name="CRMN_CHRG_AMT" precision="9" />
</property>

<bag name="damagedEqmtList" inverse="true" cascade="all" lazy="false">
<key>
<column name="IND_BILL_ID" precision="9" scale="0" not-null="true" />
</key>
<one-to-many class="com.uprr.app.cbs.common.ibill.DamagedEqmt" />
</bag>
</class>


<class name="com.uprr.app.cbs.common.ibill.DamagedEqmt" table="CBS_IND_BI_DAMG_EQMT" schema="CBS" optimistic-lock="version">

<id name="damagedEqmtId" type="java.lang.Long">
<column name="IND_BI_DAMG_EQMT_ID" precision="9" scale="0" />
<generator class="sequence" >
<param name="sequence">CBS_IND_BI_DAMG_EQMT_Q1</param>
</generator>
</id>

<many-to-one name="industryBill" class="com.uprr.app.cbs.common.ibill.IndustryBill" >
<column name="IND_BILL_ID" precision="9" scale="0" not-null="true" />
</many-to-one>

<property name="lineItemType" type="java.lang.String">
<column name="LINE_ITEM_TYPE" length="1" not-null="true" />
</property>

<property name="eqmtInit" type="java.lang.String">
<column name="EQMT_INIT" length="4" not-null="true" />
</property>

<property name="versionNumber" type="java.lang.Long">
<column name="VRSN_NBR" precision="3" scale="0" not-null="true" />
</property>

<bag name="repairRecords" fetch="select" inverse="true" cascade="all,delete-orphan" lazy="false" >
<key>
<column name="IND_BI_DAMG_EQMT_ID" precision="9" scale="0" not-null="true" />
</key>
<one-to-many entity-name="CBSRepairRecords" />
</bag>
</class>

<class name="com.uprr.app.cbs.common.ibill.RepairRecords"
table="CBS_IND_BI_REPR_DTL" schema="CBS"
entity-name="CBSRepairRecords" optimistic-lock="version">
<id name="repairRecId" type="long"
column="IND_BI_REPR_DTL_ID">
<generator class="sequence">
<param name="sequence">
cbs_ind_bi_repr_dtl_q1
</param>
</generator>
</id>
<property name="eqmtInit" type="string">
<column name="EQMT_INIT" length="4" />
</property>
<property name="eqmtNbr" type="integer">
<column name="EQMT_NBR" />
</property>
<property name="reprDate" type="date">
<column name="REPR_DT" length="10" />
</property>
<property name="reprDesc" type="string">
<column name="REPR_DESC" />
</property>
<property name="qty" type="integer">
<column name="REPR_QTY" />
</property>
<many-to-one name="damgedEqmt"
class="com.uprr.app.cbs.common.ibill.DamagedEqmt" not-null="true" fetch="join" column="IND_BI_DAMG_EQMT_ID" />
</class>


What exactly I am missing here..in order to do the following..

1. When I remove RepairRecords list from DamagedEqmt
2. I do saveOrUpdate operation
3. But RepairRecords are removed from DamagedEqmt in database.

How can I do that