Teil teil = (Teil) session.get(Teil.class, teilId);
HibernateUtil.commitTransaction();
HibernateUtil.closeSession();

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="model">
  <class name="Teil" table="teil" optimistic-lock="none">
    <id name="teilId" type="long" unsaved-value="null" column="teil_id">
      <generator class="native"/>
    </id>
   
    <property name="mengeneinheit" type="string" column="mengeneinheit"/>

...

    <set name="reichweite" table="teil_reichweite" cascade="none" lazy="false">
      <key foreign-key="reichweite_teilId" column="reichweite_teil_id" unique="true"/>
      <composite-element class="model.Reichweite">
        <property name="bestandsreichweite" type="integer" column="bestandsreichweite"/>
        <property name="normRwIst" type="double" column="norm_rw_ist"/>
        <property name="normRwMax" type="double" column="norm_rw_max"/>
        <property name="normRwMin" type="double" column="norm_rw_min"/>
        <property name="normRwSoll" type="double" column="norm_rw_soll"/>
        <property name="ampelstatus" type="string" column="ampelstatus"/>
      </composite-element>
    </set>

...
   
  </class>
</hibernate-mapping>

public Integer getBestandsreichweite() {
        return this.bestandsreichweite;
    }
   

    public void setBestandsreichweite(Integer bestandsreichweite) {
        this.bestandsreichweite = bestandsreichweite;
    }
   


    public Double getNormRwIst() {
        return this.normRwIst;
    }
   

    public void setNormRwIst(Double normRwIst) {
        this.normRwIst = normRwIst;
    }
   

    public Double getNormRwMax() {
        return this.normRwMax;
    }
   

    public void setNormRwMax(Double normRwMax) {
        this.normRwMax = normRwMax;
    }
   

    public Double getNormRwMin() {
        return this.normRwMin;
    }
   

    public void setNormRwMin(Double normRwMin) {
        this.normRwMin = normRwMin;
    }
   

    public Double getNormRwSoll() {
        return this.normRwSoll;
    }
   

    public void setNormRwSoll(Double normRwSoll) {
        this.normRwSoll = normRwSoll;
    }
   

    public String getAmpelstatus() {
        return this.ampelstatus;
    }
   

    public void setAmpelstatus(String ampelstatus) {
        this.ampelstatus = ampelstatus;
    }