hibernate/Spring/Jpa #oneToMany cascade update - spring

Question

I'm trying to add in the decorator cascade = CascadeType.ALL on the field one to many of my version modele in spring in order to update every hyper parameter when i update my version.Like you can see below.
#Entity
#Table(name = "version")
#Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
public class Version implements Serializable {
private static final long serialVersionUID = 1L;
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
#NotNull
#Column(name = "num", nullable = false)
private Integer num;
#Column(name = "creation_date")
private ZonedDateTime creationDate;
#Column(name = "execution_date")
private ZonedDateTime executionDate;
#Column(name = "weights_uri")
private String weightsURI;
#OneToMany(mappedBy = "version", fetch = FetchType.EAGER, orphanRemoval = true)
#JsonIgnoreProperties({"version", "metricsType"})
#Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
private Set<ResultExecution> resultExecutions = new HashSet<>();
#OneToMany(mappedBy = "version", fetch = FetchType.EAGER, orphanRemoval = true, cascade = CascadeType.ALL)
#JsonIgnoreProperties({"version"})
#Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
private Set<HyperParameter> hyperParameters = new HashSet<>();
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public Integer getNum() {
return num;
}
public Version num(Integer num) {
this.num = num;
return this;
}
public void setNum(Integer num) {
this.num = num;
}
public ZonedDateTime getCreationDate() {
return creationDate;
}
public Version creationDate(ZonedDateTime creationDate) {
this.creationDate = creationDate;
return this;
}
public void setCreationDate(ZonedDateTime creationDate) {
this.creationDate = creationDate;
}
public ZonedDateTime getExecutionDate() {
return executionDate;
}
public Version executionDate(ZonedDateTime executionDate) {
this.executionDate = executionDate;
return this;
}
public void setExecutionDate(ZonedDateTime executionDate) {
this.executionDate = executionDate;
}
public String getWeightsURI() {
return weightsURI;
}
public Version weightsURI(String weightsURI) {
this.weightsURI = weightsURI;
return this;
}
public void setWeightsURI(String weightsURI) {
this.weightsURI = weightsURI;
}
public Set<ResultExecution> getResultExecutions() {
return resultExecutions;
}
public Version resultExecutions(Set<ResultExecution> resultExecutions) {
this.resultExecutions = resultExecutions;
return this;
}
public Version addResultExecution(ResultExecution resultExecution) {
this.resultExecutions.add(resultExecution);
resultExecution.setVersion(this);
return this;
}
public Version removeResultExecution(ResultExecution resultExecution) {
this.resultExecutions.remove(resultExecution);
resultExecution.setVersion(null);
return this;
}
public void setResultExecutions(Set<ResultExecution> resultExecutions) {
this.resultExecutions = resultExecutions;
}
public Set<HyperParameter> getHyperParameters() {
return hyperParameters;
}
public Version hyperParameters(Set<HyperParameter> hyperParameters) {
this.hyperParameters = hyperParameters;
return this;
}
public Version addHyperParameter(HyperParameter hyperParameter) {
this.hyperParameters.add(hyperParameter);
hyperParameter.setVersion(this);
return this;
}
public Version removeHyperParameter(HyperParameter hyperParameter) {
this.hyperParameters.remove(hyperParameter);
hyperParameter.setVersion(null);
return this;
}
public void setHyperParameters(Set<HyperParameter> hyperParameters) {
this.hyperParameters = hyperParameters;
}
public Set<Data> getData() {
return data;
}
public Version data(Set<Data> data) {
this.data = data;
return this;
}
public Version addData(Data data) {
this.data.add(data);
data.getVersions().add(this);
return this;
}
public Version removeData(Data data) {
this.data.remove(data);
data.getVersions().remove(this);
return this;
}
public void setData(Set<Data> data) {
this.data = data;
}
public ModelConfiguration getModelConfiguration() {
return modelConfiguration;
}
public Version modelConfiguration(ModelConfiguration modelConfiguration) {
this.modelConfiguration = modelConfiguration;
return this;
}
public void setModelConfiguration(ModelConfiguration modelConfiguration) {
this.modelConfiguration = modelConfiguration;
}
// jhipster-needle-entity-add-getters-setters - Jhipster will add getters and setters here, do not remove
#Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Version version = (Version) o;
if (version.getId() == null || getId() == null) {
return false;
}
return Objects.equals(getId(), version.getId());
}
#Override
public int hashCode() {
return Objects.hashCode(getId());
}
#Override
public String toString() {
return "Version{" +
"id=" + getId() +
", num='" + getNum() + "'" +
", creationDate='" + getCreationDate() + "'" +
", executionDate='" + getExecutionDate() + "'" +
", weightsURI='" + getWeightsURI() + "'" +
"}";
}
}
My hyperParameter model looks like this :
#Entity
#Table(name = "hyper_parameter")
#Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
public class HyperParameter implements Serializable {
private static final long serialVersionUID = 1L;
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
#NotNull
#Column(name = "parameter_value", nullable = false)
private String parameterValue;
#ManyToOne(optional = false)
#NotNull
#JsonIgnoreProperties({"resultExecutions", "hyperParameters", "data", "modelConfiguration"})
private Version version;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getParameterValue() {
return parameterValue;
}
public HyperParameter parameterValue(String parameterValue) {
this.parameterValue = parameterValue;
return this;
}
public void setParameterValue(String parameterValue) {
this.parameterValue = parameterValue;
}
public Version getVersion() {
return version;
}
public HyperParameter version(Version version) {
this.version = version;
return this;
}
public void setVersion(Version version) {
this.version = version;
}
public HyperParameterType getHyperParameterType() {
return hyperParameterType;
}
public HyperParameter hyperParameterType(HyperParameterType hyperParameterType) {
this.hyperParameterType = hyperParameterType;
return this;
}
public void setHyperParameterType(HyperParameterType hyperParameterType) {
this.hyperParameterType = hyperParameterType;
}
// jhipster-needle-entity-add-getters-setters - Jhipster will add getters and setters here, do not remove
#Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
HyperParameter hyperParameter = (HyperParameter) o;
if (hyperParameter.getId() == null || getId() == null) {
return false;
}
return Objects.equals(getId(), hyperParameter.getId());
}
#Override
public int hashCode() {
return Objects.hashCode(getId());
}
#Override
public String toString() {
return "HyperParameter{" +
"id=" + getId() +
", parameterValue='" + getParameterValue() + "'" +
"}";
}
}
I update a json and try a put with it .I change the value of the field parametervalue from 2 to 3 .
{
"id": 1,
"num": 1,
"creationDate": "2017-05-11T00:00:00+02:00",
"executionDate": null,
"weightsURI": "tests/scripts/sequential/weights/weights_le_net_5.h5py",
"resultExecutions": [
{
"id": 1,
"metricValues": "",
"executionType": "TRAIN",
"numPrediction": null
},
{
"id": 2,
"metricValues": "",
"executionType": "TRAIN",
"numPrediction": null
}
],
"hyperParameters": [
{
"id": 1,
"parameterValue": "2",
"hyperParameterType": {
"id": 1,
"name": "epochs",
"parameterType": "INTEGER",
"parameterDefaultValue": "0",
"isRequired": true
}
},
{
"id": 2,
"parameterValue": "32",
"hyperParameterType": {
"id": 2,
"name": "batch_size",
"parameterType": "INTEGER",
"parameterDefaultValue": "32",
"isRequired": true
}
}
],
"modelConfiguration": {
"id": 1,
"name": "Modele LeNet5",
"creationDate": "2017-05-11T00:00:00+02:00",
"updateDate": "2017-05-11T00:00:00+02:00",
"saveURI": "tests/scripts/sequential/models/le_net_5.json"
}
}
But when i do i got a 500 internal serveur error and stack trace like the one bellow about a null constraint violation.
<!-- What do you expect the result to be? -->
<!-- What is the actual result you get? (Please include any errors.) -->
org.springframework.transaction.TransactionSystemException: Could not commit JPA transaction; nested exception is javax.persistence.RollbackException: Error while committing the transaction
at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:526)
[1:59]
t org.hibernate.internal.ExceptionConverterImpl.convertCommitException(ExceptionConverterImpl.java:75)
at org.hibernate.engine.transaction.internal.TransactionImpl.commit(TransactionImpl.java:71)
at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:517)
... 153 common frames omitted
Caused by: javax.validation.ConstraintViolationException: Validation failed for classes [com.saagie.picsaagie2017_frontend.domain.HyperParameter] during update time for groups [javax.validation.groups.Default, ]
List of constraint violations:[
ConstraintViolationImpl{interpolatedMessage='can not be null ', propertyPath=version, rootBeanClass=class com.saagie.picsaagie2017_frontend.domain.HyperParameter, messageTemplate='{javax.validation.constraints.NotNull.message}'}
]
How can i update my hyperParameters when i update my version whitout getting this error.

Answer 1

Use the #PreUpdate and #PrePersist callbacks in the HyperParameter class like so:
#PreUpdate
#PrePersist
public void setChildObjects() {
if (getVersions() != null)
{
for (Version version : getVersions())
{
version.setHyperParameters (this);
}
}
}
Refer to this for more information : http://docs.jboss.org/hibernate/core/3.3/reference/en/html/tutorial.html#tutorial-associations-usingbidir

Answer 2

Both solution actually work i had a second error because of what is discussed in that topic : Spring data rest one to many cascade all . I just had to add #JsonManagedReference and #JsonBackReference because i had marshalling problem on the reference of version when i tried to update my HyperParameters in cascade.

Answer 3

You just have validation error. You try to put interpolatedMessage with null value. Ok but first remove #NotNull annotation on this field.