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Dans mon code, il y a une relation un-à-un entre un employeur et sa table tarifaire où la clé primaire composite de l'employeur est composite étrangère (logiquement) + clé primaire du débit. J'utilise JPA + Hibernate + DB2. Voici mon fichier employeur.hbm.Erreur de clé étrangère composite JPA
<hibernate-mapping>
<class name="com.adg.ems.domain.Employer" table="EMPLOYER">
</composite-id class="com.adg.ems.domain.EmployerIDClass" name="employerIDClass" >
<key-property name="empID" type="java.lang.String" length="4" column="EMPLOYER_ID"></key-property>
<key-many-to-one name="healthPlan" column="CUSTOMER_ID" class="com.adg.ems.domain.HealthPlan" lazy="false" access="property" >
</key-many-to-one>
<generator class="assigned" ></generator>
</composite-id>
<property name="employerName" type="java.lang.String" length="50" not-null="true">
<column name="EMP_NAME" />
</property>
<property name="employerAddress1" type="java.lang.String" length="30" not-null="true">
<column name="ADDR1" />
</property>
<one-to-one name="rate" class="com.adg.ems.domain.Rate" cascade="all" lazy="false"/>
</class>
</hibernate-mapping>
Rate.java
@Entity
@Table(name="RATES")
public class Rate extends IDomain {
private static final long serialVersionUID = 123456698L;
@Transient
private Logger logger = LoggerFactory.getLogger(Rate.class);
@EmbeddedId
@GeneratedValue(generator = "foreign")
@GenericGenerator(name = "foreign", strategy = "foreign", parameters = { @Parameter(name = "property", value = "employer") })
@AuditNotRequired
private EmployerIDClass employerIDClass;
@OneToOne(optional = false, cascade = CascadeType.ALL)
@JoinColumns(value = {
@JoinColumn(name = "EMPLOYER_ID", referencedColumnName = "EMPLOYER_ID", nullable = false, insertable = false, updatable = false),
@JoinColumn(name = "CUSTOMER_ID", referencedColumnName = "CUSTOMER_ID", nullable = false, insertable = false, updatable = false)})
@AuditNotRequired
private Employer employer;
@Digits(fraction=5, integer=1, message="Must be number and of the form (+/-)#.#####, where '#' defines a numeric value.")
@Column(name="RATE_APY")
private Double rateAPY = 0.0;
@Override
public boolean equals(Object obj) {
logger.debug("Inside EmployerRate equals method");
if (obj != null && obj instanceof Rate) {
Rate employerRate = (Rate) obj;
EmployerIDClass employerIDClass = employerRate.getEmployerIDClass();
logger.debug("employerIDClass ---->" + employerIDClass);
if (employerIDClass != null) {
if (employerIDClass.equals(this.employerIDClass)) {
return true;
}
}
}
return false;
}
public int hashCode() {
logger.debug("Inside EmployerRate hashcode method");
return new HashCodeBuilder().append(getEmployerIDClass()).toHashCode();
}
PKCLass
@Embeddable
public class EmployerIDClass extends IDomain {
private static final long serialVersionUID = 123455793L;
public EmployerIDClass() {
}
/**
* Constructor
*
* @param empID
* @param healthPlan
*/
public EmployerIDClass(String empID, HealthPlan healthPlan) {
this.empID = empID;
this.healthPlan = healthPlan;
}
@NotNull
@Size(max = 3)
@Column(name="EMPLOYER_ID", insertable=true, updatable=true, nullable=false)
@AuditNotRequired
private String empID;
@NotNull
@ManyToOne
@JoinColumn(name="CUSTOMER_ID", insertable=true, updatable=true, nullable=false)
@AuditNotRequired
private HealthPlan healthPlan;
}
Healthplan.hbm
<hibernate-mapping>
<class name="com.adg.ems.domain.HealthPlan" table="CUSTOMER" >
<id name="healthPlanID" type="java.lang.String" length="3" >
<column name="CUSTOMER_ID" />
<generator class="assigned" />
</id>
<timestamp name="addDate" column="ADDDATE" unsaved-value="null"></timestamp>
<property name="healthPlanName" type="java.lang.String" not-null="true" length="50">
<column name="NAME" />
</property>
</class>
</hibernate-mapping>
Ma classe DAO a méthode findDomain
public Employer findDomain(IDomain iDomain) {
EmployerIDClass employerIDClass = ((Employer) iDomain)
.getEmployerIDClass();
if (employerIDClass == null)
return null;
try {
Employer employer3 = entityManagerDB2JTA.find(Employer.class, employerIDClass);
logger.debug("embeddedid workeddd."+employer3);
} catch (Exception e) {
logger.debug("embeddedid didntk work.", e);
}
}
L'exception que je reçois est:
INFO WebContainer : 1 org.hibernate.type.StringType - could not read column value from result set: employer1_28_1_; [IBM][CLI Driver] CLI0125E Function sequence error. SQLSTATE=HY010
org.hibernate.util.JDBCExceptionReporter - could not load an entity: [com.adg.ems.domain.Employer#component[empID,healthPlan]{healthPlan=com.adg.ems.domain.HealthPlan#***, empID=***}] [select employer0_.employer_id as employer1_21_5_, employer0_.customer_id as customer2_21_5_, employer0_.emp_name as emp3_21_5_, rate2_.employer_id as employer1_28_1_, rate2_.customer_id as customer8_28_1_, rate2_.rate_apy as rate2_28_1_ from dhs01.employer employer0_ left left outer join dhs01.rates rate2_ on employer0_.employer_id=rate2_.employer_id and employer0_.customer_id=rate2_.customer_id where employer0_.employer_id=? and employer0_.customer_id=?]
COM.ibm.db2.jdbc.DB2Exception: [IBM][CLI Driver] CLI0125E Function sequence error. SQLSTATE=HY010 at COM.ibm.db2.jdbc.app.SQLExceptionGenerator.throw_SQLException(Unknown Source)
at COM.ibm.db2.jdbc.app.SQLExceptionGenerator.throw_SQLException(Unknown Source)
at COM.ibm.db2.jdbc.app.SQLExceptionGenerator.check_return_code(Unknown Source)
at COM.ibm.db2.jdbc.app.DB2ResultSet.getString2(Unknown Source)
at COM.ibm.db2.jdbc.app.DB2ResultSet.getString(Unknown Source)
at com.ibm.ws.rsadapter.jdbc.WSJdbcResultSet.getString(WSJdbcResultSet.java:1848)
at org.hibernate.type.StringType.get(StringType.java:41)
at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:184)
at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:173)
at org.hibernate.type.AbstractType.hydrate(AbstractType.java:105)
at org.hibernate.type.ComponentType.hydrate(ComponentType.java:583)
at org.hibernate.type.ComponentType.nullSafeGet(ComponentType.java:298)
at org.hibernate.loader.Loader.getKeyFromResultSet(Loader.java:1121)
at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:588)
at org.hibernate.loader.Loader.doQuery(Loader.java:724)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259)
at org.hibernate.loader.Loader.loadEntity(Loader.java:1881)
at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:71)
at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:65)
at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:3072)
at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:434)
at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:415)
at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:165)
at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:223)
at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:126)
at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:905)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:842)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:835)
at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:182)
at sun.reflect.GeneratedMethodAccessor382.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:618)
at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:365)
at $Proxy528.find(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:618)
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:224)
at $Proxy506.find(Unknown Source)
at com.adg.ems.dao.EmployerDAOImpl.findDomain_aroundBody26(EmployerDAOImpl.java:393)
WARN WebContainer : 1 org.hibernate.util.JDBCExceptionReporter - SQL Error: -99999, SQLState: HY010
ERROR WebContainer : 1 org.hibernate.util.JDBCExceptionReporter - [IBM][CLI Driver] CLI0125E Function sequence error. SQLSTATE=HY010
INFO WebContainer : 1 org.hibernate.event.def.DefaultLoadEventListener - Error performing load command
org.hibernate.exception.GenericJDBCException: could not load an entity: [com.adg.ems.domain.Employer#component[empID,healthPlan]{healthPlan=com.adg.ems.domain.HealthPlan#002, empID=77V}]
at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:126)
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:114)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
at org.hibernate.loader.Loader.loadEntity(Loader.java:1895)
at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:71)
at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:65)
at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:3072)
at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:434)
at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:415)
at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:165)
at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:223)
at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:126)
at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:905)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:842)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:835)
at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:182)
at sun.reflect.GeneratedMethodAccessor382.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:618)
at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:365)
at $Proxy528.find(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:618)
S'il vous plaît aider !! Je suis mal coincé ..