I have a class Wallet, which extends to 3 different wallets PaypalWallet, BankWallet and ChequeWallet. Each with different attributes save the super class attributes.
These wallets are used in Payout, which extends 2 payments, PaymentBank and PayoutCheque.
public class Payout {
#Id private String id;
private String userId;
protected Wallet userWalletInfo;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getUserId() {
return userId;
}
public void setUserId(String userId) {
this.userId = userId;
}
public Wallet getUserWalletInfo() {
return userWalletInfo;
}
public void setUserWalletInfo(Wallet userWalletInfo) {
this.userWalletInfo = userWalletInfo;
}
}
If I inherit this class in the ChequePayout, how can I specify that userWalletInfo should be an instance of ChequeWallet? Similar to extending the class?
My first thought was to override the setter, like this:
public class PayoutCheque extends Payout {
private String serialNumber;
private ChequeStatus status;
public String getSerialNumber() {
return serialNumber;
}
public void setSerialNumber(String serialNumber) {
this.serialNumber = serialNumber;
}
public ChequeStatus getStatus() {
return status;
}
public void setStatus(ChequeStatus status) {
this.status = status;
}
#Override
public void setUserWalletInfo(Wallet userWalletInfo) {
if (userWalletInfo instanceof ChequeWallet) {
super.setUserWalletInfo(userWalletInfo);
}
else {
//throw exception
}
}
}
However I don't feel like this is the right approach, or that I am missing something important here.
Sounds like you are looking for generics.
private class Wallet {
}
private class ChequeStatus {
}
private class ChequeWallet extends Wallet {
}
public class Payout<W extends Wallet> {
private String id;
private String userId;
protected W userWalletInfo;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getUserId() {
return userId;
}
public void setUserId(String userId) {
this.userId = userId;
}
public Wallet getUserWalletInfo() {
return userWalletInfo;
}
public void setUserWalletInfo(W userWalletInfo) {
this.userWalletInfo = userWalletInfo;
}
}
public class PayoutCheque extends Payout<ChequeWallet> {
private String serialNumber;
private ChequeStatus status;
public String getSerialNumber() {
return serialNumber;
}
public void setSerialNumber(String serialNumber) {
this.serialNumber = serialNumber;
}
public ChequeStatus getStatus() {
return status;
}
public void setStatus(ChequeStatus status) {
this.status = status;
}
#Override
public void setUserWalletInfo(ChequeWallet userWalletInfo) {
super.setUserWalletInfo(userWalletInfo);
}
}
if(userWalletInfo.getClass().equals(ChequeWallet.class)){
}
Related
This is my 1st project in Java/Hibernate.
I m trying to join two tables but even after searching a lot, I couldn't find the proper solution to achieve what i want.
Let me explain you what i have currently.
I have two entities:
#Entity
#Table(name = "admin")
public class AdminLogin {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private int id;
private String firstName;
private String lastName;
private String username;
private String password;
private String status;
private String userRole;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public String getUserRole() {
return userRole;
}
public void setUserRole(String userRole) {
this.userRole = userRole;
}
}
#Entity
#Table(name = "user_balance_log")
public class UserBalanceLog {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private int id;
private int userId;
private int adminId;
private Float balance;
private String balanceType;
private String message;
#Temporal(javax.persistence.TemporalType.DATE)
private Date dateCreated;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getUserId() {
return userId;
}
public void setUserId(int userId) {
this.userId = userId;
}
public int getAdminId() {
return adminId;
}
public void setAdminId(int adminId) {
this.adminId = adminId;
}
public Float getBalance() {
return balance;
}
public void setBalance(Float balance) {
this.balance = balance;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public Date getDateCreated() {
return dateCreated;
}
public void setDateCreated(Date dateCreated) {
this.dateCreated = dateCreated;
}
public String getBalanceType() {
return balanceType;
}
public void setBalanceType(String balanceType) {
this.balanceType = balanceType;
}
}
I want to join the adminId from User Balance Log Entity to Admin Login Entity.
This is what i have currently.
Session session = this.sessionFactory.getCurrentSession();
Criteria criteria = session.createCriteria(UserBalanceLog.class, "ubl");
criteria.setProjection(Projections.projectionList().add(Projections.property("balance"),"balance").add(Projections.property("balanceType"),"balanceType").add(Projections.property("message"),"message").add(Projections.property("dateCreated"),"dateCreated"));
criteria.addOrder(Order.desc("id"));
if (parameters.get("userId") != null) {
criteria.add(Restrictions.eq("userId", new Integer(parameters.get("userId"))));
}
if (parameters.get("balanceType") != null) {
criteria.add(Restrictions.eq("balanceType", parameters.get("balanceType")));
}
if (parameters.get("dateCreated") != null) {
criteria.add(Restrictions.eq("dateCreated", parameters.get("dateCreated")));
}
List userBalanceList = criteria.list();
Please guide me.
Thanks
Finally i figured it out myself of course with the help/guidance of #vc73.
This is the updation i had to do in model:
#Entity
#Table(name = "user_balance_log")
public class UserBalanceLog {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private int id;
private int userId;
#ManyToOne
#JoinColumn(name="adminId")
private AdminLogin adminId;
private Float balance;
private String balanceType;
private String message;
#Temporal(javax.persistence.TemporalType.DATE)
private Date dateCreated;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getUserId() {
return userId;
}
public void setUserId(int userId) {
this.userId = userId;
}
public AdminLogin getAdminId() {
return adminId;
}
public void setAdminId(AdminLogin adminId) {
this.adminId = adminId;
}
public Float getBalance() {
return balance;
}
public void setBalance(Float balance) {
this.balance = balance;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public Date getDateCreated() {
return dateCreated;
}
public void setDateCreated(Date dateCreated) {
this.dateCreated = dateCreated;
}
public String getBalanceType() {
return balanceType;
}
public void setBalanceType(String balanceType) {
this.balanceType = balanceType;
}
}
and in the DAO:
Session session = this.sessionFactory.getCurrentSession();
Criteria criteria = session.createCriteria(UserBalanceLog.class, "ubl");
criteria.createAlias("ubl.adminId", "a");
criteria.setProjection(Projections.projectionList().add(Projections.property("balance").as("balance")).add(Projections.property("balanceType").as("balanceType")).add(Projections.property("message").as("message")).add(Projections.property("dateCreated").as("dateCreated")).add(Projections.property("a.username").as("username")));
criteria.addOrder(Order.desc("id"));
if (parameters.get("userId") != null) {
criteria.add(Restrictions.eq("userId", new Integer(parameters.get("userId"))));
}
if (parameters.get("balanceType") != null) {
criteria.add(Restrictions.eq("balanceType", parameters.get("balanceType")));
}
if (parameters.get("dateCreated") != null) {
criteria.add(Restrictions.eq("dateCreated", parameters.get("dateCreated")));
}
criteria.setResultTransformer(Criteria.ALIAS_TO_ENTITY_MAP);
criteria.setFirstResult(start);
criteria.setMaxResults(Pagination.limitPerPage);
List userBalanceList = criteria.list();
I hope it will help someone else.
professionals!
I have a question. What is a better idea to connect 2 tables in spring boot via ID? As an example: we have 2 tables client and books. Each client can borrow a book and the status of book will be changed.
I know how to make it in DB using SQL. But the question is, how to do this in jpa/hibernate.
I have an error of ManyToMany or OneToMany.....
#Entity
public class Book implements java.io.Serializable {
private static final long serialVersionUID = 1L;
#TableGenerator(name = "BOOK_GEN", allocationSize = 1)
#Id
#GeneratedValue(generator = "BOOK_GEN")
private int id;
private String book_name;
private String ISBN;
private String publish_year;
private String publisher;
private Boolean status;
#OneToMany(mappedBy="book" ,cascade=CascadeType.ALL , fetch = FetchType.LAZY)
private Collection<Client> authors =new ArrayList<Client>();
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getBook_name() {
return book_name;
}
public void setBook_name(String book_name) {
this.book_name = book_name;
}
public String getISBN() {
return ISBN;
}
public void setISBN(String iSBN) {
ISBN = iSBN;
}
public String getPublish_year() {
return publish_year;
}
public void setPublish_year(String publish_year) {
this.publish_year = publish_year;
}
public String getPublisher() {
return publisher;
}
public void setPublisher(String publisher) {
this.publisher = publisher;
}
public Boolean getStatus() {
return status;
}
public void setStatus(Boolean status) {
this.status = status;
}
public Collection<Author> getAuthors() {
return authors;
}
public void setClients(Collection<Client> clients) {
this.clients = clients;
}}
#Entity
public class Client implements java.io.Serializable {
private static final long serialVersionUID = 1L;
#TableGenerator(name = "CLT_GEN", allocationSize = 1)
#Id
#GeneratedValue(generator = "CLT_GEN")
private int id;
private Boolean bookedstatus;
private Boolean bookstatus;
#ManyToOne(fetch = FetchType.LAZY)
private Book book;
private String name ;
private String surname;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public Book getBook() {
return book;
}
public void setBook(Book book) {
this.book = book;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSurname() {
return surname;
}
public void setSurname(String surname) {
this.surname = surname;
}
public Boolean getBookedstatus() {
return bookedstatus;
}
public void setBookedstatus(Boolean bookedstatus) {
this.bookedstatus = bookedstatus;
}
public Boolean getBookstatus() {
return bookstatus;
}
public void setBookstatus(Boolean bookstatus) {
this.bookstatus = bookstatus;
}
}
Since you have mentioned "A client can borrow a book", one-to-one mapping should work the best for you. Please refer to the below code. Also you didn't mention the error you are facing with your current implementation.
#Entity
public class Book implements java.io.Serializable {
private static final long serialVersionUID = 1L;
#TableGenerator(name = "BOOK_GEN", allocationSize = 1)
#Id
#GeneratedValue(generator = "BOOK_GEN")
private int id;
private String book_name;
private String ISBN;
private String publish_year;
private String publisher;
private Boolean status;
#OneToOne(fetch = FetchType.LAZY, mappedBy = "book", cascade = CascadeType.ALL)
private Collection<Client> authors;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getBook_name() {
return book_name;
}
public void setBook_name(String book_name) {
this.book_name = book_name;
}
public String getISBN() {
return ISBN;
}
public void setISBN(String iSBN) {
ISBN = iSBN;
}
public String getPublish_year() {
return publish_year;
}
public void setPublish_year(String publish_year) {
this.publish_year = publish_year;
}
public String getPublisher() {
return publisher;
}
public void setPublisher(String publisher) {
this.publisher = publisher;
}
public Boolean getStatus() {
return status;
}
public void setStatus(Boolean status) {
this.status = status;
}
public Collection<Client> getAuthors() {
return authors;
}
public void setAuthors(Collection<Client> authors) {
this.authors = authors;
}
}
#Entity
public class Client implements java.io.Serializable {
private static final long serialVersionUID = 1L;
#TableGenerator(name = "CLT_GEN", allocationSize = 1)
#Id
#GeneratedValue(generator = "CLT_GEN")
private int id;
private Boolean bookedstatus;
private Boolean bookstatus;
#OneToOne(fetch = FetchType.LAZY)
#PrimaryKeyJoinColumn
private Book book;
private String name ;
private String surname;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public Book getBook() {
return book;
}
public void setBook(Book book) {
this.book = book;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSurname() {
return surname;
}
public void setSurname(String surname) {
this.surname = surname;
}
public Boolean getBookedstatus() {
return bookedstatus;
}
public void setBookedstatus(Boolean bookedstatus) {
this.bookedstatus = bookedstatus;
}
public Boolean getBookstatus() {
return bookstatus;
}
public void setBookstatus(Boolean bookstatus) {
this.bookstatus = bookstatus;
}
}
I'm new to Java and Vaadin and stuck during display data in a Vaadin grid. I have data in JSON format like:
[
{
"id":1,
"name":"testSiteC",
"accountId":1,
"accountData":{
"id":1,
"name":"testAccountA",
"code":"AC0001",
"salesStaffId":200,
"samplingDate":1493038800000,
"startDate":1493038800000,
"creditPeriod":15,
"cinNo":"testCinNo",
"vatRegistrationNo":"testVatRegistrationNo",
"panNo":"testPanNo",
"serviceTaxRegistrationNo":"testServiceTaxRegistrationNo",
"isActive":true,
"billingType":"testBillingType",
"billingBasis":"cup count basis",
"billingAddress":"billingAddress",
"consigneeAddress":"test",
"clientRelationshipManagerStaffId":2,
"opsManagerId":1,
"serviceTaxId":1,
"createdOn":1483209000000,
"updatedOn":1494949002000
},
"building":"3rd floor",
"locality":"Koramangala",
"city":"Bangalore",
"state":"Karnataka",
"country":"India",
"peopleCount":100,
"staffInCharge":1,
"dailyStartTime":"23:34:23",
"dailyEndTime":"23:34:34",
"createdOn":1493799889000,
"updatedOn":1494945760000,
"isActive":true,
"opsStartDate":1493730000000
}
]
Bean to be nested:
package com.chaipoint.boxc.common.model;
import java.io.Serializable;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Date;
public class SiteResponse implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private Long id;
private String name;
private Integer accountId;
private AccountResponse accountData;
private String building;
private String locality;
private String city;
private String state;
private String country;
private Integer peopleCount;
private Integer staffInCharge;
private Time dailyStartTime;
private Time dailyEndTime;
private Date createdOn;
private Timestamp updatedOn;
private Boolean isActive;
private Date opsStartDate;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getAccountId() {
return accountId;
}
public void setAccountId(Integer accountId) {
this.accountId = accountId;
}
public AccountResponse getAccountData() {
return accountData;
}
public void setAccountData(AccountResponse accountData) {
this.accountData = accountData;
}
public String getBuilding() {
return building;
}
public void setBuilding(String building) {
this.building = building;
}
public String getLocality() {
return locality;
}
public void setLocality(String locality) {
this.locality = locality;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
public String getCountry() {
return country;
}
public void setCountry(String country) {
this.country = country;
}
public Integer getPeopleCount() {
return peopleCount;
}
public void setPeopleCount(Integer peopleCount) {
this.peopleCount = peopleCount;
}
public Integer getStaffInCharge() {
return staffInCharge;
}
public void setStaffInCharge(Integer staffInCharge) {
this.staffInCharge = staffInCharge;
}
public Time getDailyStartTime() {
return dailyStartTime;
}
public void setDailyStartTime(Time dailyStartTime) {
this.dailyStartTime = dailyStartTime;
}
public Time getDailyEndTime() {
return dailyEndTime;
}
public void setDailyEndTime(Time dailyEndTime) {
this.dailyEndTime = dailyEndTime;
}
public Date getCreatedOn() {
return createdOn;
}
public void setCreatedOn(Date createdOn) {
this.createdOn = createdOn;
}
public Timestamp getUpdatedOn() {
return updatedOn;
}
public void setUpdatedOn(Timestamp updatedOn) {
this.updatedOn = updatedOn;
}
public Boolean getIsActive() {
return isActive;
}
public void setIsActive(Boolean isActive) {
this.isActive = isActive;
}
public Date getOpsStartDate() {
return opsStartDate;
}
public void setOpsStartDate(Date opsStartDate) {
this.opsStartDate = opsStartDate;
}
public static long getSerialversionuid() {
return serialVersionUID;
}
}
Bean containing a nested bean
public class SitePantryResponse implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private Long id;
private String name;
private Integer siteId;
private SiteResponse siteData;
private Integer floorNo;
private Date createdOn;
private Timestamp updatedOn;
private Boolean isActive;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getSiteId() {
return siteId;
}
public void setSiteId(Integer siteId) {
this.siteId = siteId;
}
public SiteResponse getSiteData() {
return siteData;
}
public void setSiteData(SiteResponse siteData) {
this.siteData = siteData;
}
public Integer getFloorNo() {
return floorNo;
}
public void setFloorNo(Integer floorNo) {
this.floorNo = floorNo;
}
public Date getCreatedOn() {
return createdOn;
}
public void setCreatedOn(Date createdOn) {
this.createdOn = createdOn;
}
public Timestamp getUpdatedOn() {
return updatedOn;
}
public void setUpdatedOn(Timestamp updatedOn) {
this.updatedOn = updatedOn;
}
public Boolean getIsActive() {
return isActive;
}
public void setIsActive(Boolean isActive) {
this.isActive = isActive;
}
public static long getSerialversionuid() {
return serialVersionUID;
}
}
So, while displaying data into the grid like table.addColumn(SitePantryResponse::getSiteData::getName).setCaption("Site Name") it throws:
The target type of this expression must be a functional interface` error.
SitePantryResponse::getSiteData::getName
It's not possible to chain method references like that. You can use simple lambda expression instead:
table.addColumn(r -> r.getSideDate().getName()).setCaption("Site Name")
or if you really want to use method references, you can use a helper method which will chain them and return ValueProvider which can be later passed to Grid.addColumn:
<A, B, C> ValueProvider<A, C> chain(Function<A, B> f1, Function<B, C> f2) {
return f1.andThen(f2)::apply;
}
With this you can write:
table.addColumn(chain(SitePantryResponse::getSiteData, SiteResponse::getName)).setCaption("Site Name")
but, as you can see, this makes the code more complicated and longer, so there is no reason to use this approach over simple lambda expression.
I'm having trouble trying to understand how realm.io persist/save objects.
I have 3 Objects (Inventory, InventoryItem and Product);
When I create a Inventory containing InventoryItems it works fine until i close the app. When i re-open the app all InventoryItems loses the reference to Product and start to show "null" instead.
Strange thing is all other attributes like Inventory reference to InventoryItem is persisted fine. Just problem with Products.
this is how i'm trying to do:
Model
Product
public class Product extends RealmObject {
#PrimaryKey
private String id;
#Required
private String description;
private int qtdUnityType1;
private int qtdUnityType2;
private int qtdUnityType3;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public int getQtdUnityType1() {
return qtdUnityType1;
}
public void setQtdUnityType1(int qtdUnityType1) {
this.qtdUnityType1 = qtdUnityType1;
}
public int getQtdUnityType2() {
return qtdUnityType2;
}
public void setQtdUnityType2(int qtdUnityType2) {
this.qtdUnityType2 = qtdUnityType2;
}
public int getQtdUnityType3() {
return qtdUnityType3;
}
public void setQtdUnityType3(int qtdUnityType3) {
this.qtdUnityType3 = qtdUnityType3;
}
}
Inventory
public class Inventory extends RealmObject {
#PrimaryKey
private String id;
#Required
private String type;
#Required
private Date createdAt;
#Required
private String status;
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
private RealmList<InventoryItem> listItems;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public Date getCreatedAt() {
return createdAt;
}
public void setCreatedAt(Date createdAt) {
this.createdAt = createdAt;
}
public RealmList<InventoryItem> getListItems() {
return listItems;
}
public void setListItems(RealmList<InventoryItem> listItems) {
this.listItems = listItems;
}
}
InventoryItem
public class InventoryItem extends RealmObject {
#PrimaryKey
private String idItem;
private Inventory inventory;
private Product product;
public Product getProduct() {
return product;
}
public void setProduct(Product product) {
this.product = product;
}
private Date expirationDate;
private int qtdUnityType1;
private int qtdUnityType2;
private int qtdUnityType3;
private int qtdDiscard;
public String getIdItem() {
return idItem;
}
public void setIdItem(String idItem) {
this.idItem = idItem;
}
public Inventory getInventory() {
return inventory;
}
public void setInventory(Inventory inventory) {
this.inventory = inventory;
}
public Date getExpirationDate() {
return expirationDate;
}
public void setExpirationDate(Date expirationDate) {
this.expirationDate = expirationDate;
}
public int getQtdUnityType1() {
return qtdUnityType1;
}
public void setQtdUnityType1(int qtdUnityType1) {
this.qtdUnityType1 = qtdUnityType1;
}
public int getQtdUnityType2() {
return qtdUnityType2;
}
public void setQtdUnityType2(int qtdUnityType2) {
this.qtdUnityType2 = qtdUnityType2;
}
public int getQtdUnityType3() {
return qtdUnityType3;
}
public void setQtdUnityType3(int qtdUnityType3) {
this.qtdUnityType3 = qtdUnityType3;
}
public int getQtdDiscard() {
return qtdDiscard;
}
public void setQtdDiscard(int qtdDiscard) {
this.qtdDiscard = qtdDiscard;
}
}
and finally one of the millions ways i tried to persist
realm.beginTransaction();
Inventory inventory = realm.createObject(Inventory.class);
inventory.setId(id);
inventory.setCreatedAt(new DateTime().toDate());
if (radioGroup.getCheckedRadioButtonId() == R.id.rbInventario) {
inventory.setType("Inventário");
} else {
inventory.setType("Validade");
}
inventory.setStatus("Aberto");
RealmList<InventoryItem> inventoryItems = new RealmList<>();
RealmResults<Product> productsRealmResults = realm.allObjects(Product.class);
for (int i = 1; i <= productsRealmResults.size(); i++) {
InventoryItem item = realm.createObject(InventoryItem.class);
item.setIdProduct(productsRealmResults.get(i - 1).getId() + " - " + productsRealmResults.get(i - 1).getDescription());
item.setProduct(productsRealmResults.get(i - 1));
item.setIdItem(i + "-" + id);
item.setInventory(inventory);
item = realm.copyToRealmOrUpdate(item);
item = realm.copyToRealmOrUpdate(item);
inventoryItems.add(item);
}
inventory.setListItems(inventoryItems);
realm.copyToRealmOrUpdate(inventory);
realm.commitTransaction();
I already looked trough some answers here like this one:
stack answer
and the Java-examples (person, dog, cat)
provided with the API
but I can't understand how to properly insert this.
The problem is that you are setting a list of InventoryItem elements which are not added to the Realm database.
Change InventoryItem item = new InventoryItem(); to InventoryItem item = realm.createObject(InventoryItem.class);
Also, the inventoryItems themselves aren't stored in Realm db. Add realm.copyToRealmOrUpdate(inventoryItems) after the loop.
I am pretty new to Hibernate and JPA implementation in Spring, so basically have set up a MySQL 5 database which maps to the domain objects below.
I am trying to search for Location on the Company_Details table but I can't figure out how to search the class Product_Details for Product_Name at the same time
If anyone could help that would be great.
Company_Details
#Entity
public class Company_Details implements Serializable{
/**
*
*/
private static final long serialVersionUID = 3336251433829975771L;
#Id
#GeneratedValue
private Integer Id;
private String Company;
private String Address_Line_1;
private String Address_Line_2;
private String Postcode;
private String County;
private String Country;
private String Mobile_Number;
private String Telephone_Number;
private String URL;
private String Contact;
private String Logo_URL;
private double Amount_Overall;
private double Amount_Paid;
private Timestamp Date_Joined;
private int Account_Details;
#OneToMany(fetch = FetchType.EAGER, mappedBy = "Company_Id")
private List<Product_Details> products;
public Integer getId() {
return Id;
}
public void setId(Integer id) {
Id = id;
}
public String getCompany() {
return Company;
}
public void setCompany(String company) {
Company = company;
}
public String getAddress_Line_1() {
return Address_Line_1;
}
public void setAddress_Line_1(String address_Line_1) {
Address_Line_1 = address_Line_1;
}
public String getAddress_Line_2() {
return Address_Line_2;
}
public void setAddress_Line_2(String address_Line_2) {
Address_Line_2 = address_Line_2;
}
public String getPostcode() {
return Postcode;
}
public void setPostcode(String postcode) {
Postcode = postcode;
}
public String getCounty() {
return County;
}
public void setCounty(String county) {
County = county;
}
public String getCountry() {
return Country;
}
public void setCountry(String country) {
Country = country;
}
public String getMobile_Number() {
return Mobile_Number;
}
public void setMobile_Number(String mobile_Number) {
Mobile_Number = mobile_Number;
}
public String getTelephone_Number() {
return Telephone_Number;
}
public void setTelephone_Number(String telephone_Number) {
Telephone_Number = telephone_Number;
}
public String getURL() {
return URL;
}
public void setURL(String uRL) {
URL = uRL;
}
public String getContact() {
return Contact;
}
public void setContact(String contact) {
Contact = contact;
}
public String getLogo_URL() {
return Logo_URL;
}
public void setLogo_URL(String logo_URL) {
Logo_URL = logo_URL;
}
public double getAmount_Overall() {
return Amount_Overall;
}
public void setAmount_Overall(double amount_Overall) {
Amount_Overall = amount_Overall;
}
public double getAmount_Paid() {
return Amount_Paid;
}
public void setAmount_Paid(double amount_Paid) {
Amount_Paid = amount_Paid;
}
public Timestamp getDate_Joined() {
return Date_Joined;
}
public void setDate_Joined(Timestamp date_Joined) {
Date_Joined = date_Joined;
}
public int getAccount_Details() {
return Account_Details;
}
public void setAccount_Details(int account_Details) {
Account_Details = account_Details;
}
public List<Product_Details> getProducts() {
return products;
}
public void setProducts(List<Product_Details> products) {
this.products = products;
}
Product_Details
#Entity
public class Product_Details implements Serializable{
/**
*
*/
private static final long serialVersionUID = 6477618197240654478L;
#Id
#GeneratedValue
private Integer Id;
private Integer Company_Id;
private String Product_Name;
private String Description;
private String Main_Photo_URL;
private String Other_Photo_URLS;
private Integer Total_Bookings;
private double Average_Rating;
private Integer Number_Of_Slots;
private Integer Time_Per_Slot;
private double Price_Per_Slot;
private String Monday_Open;
private String Tuesday_Open;
private String Wednesday_Open;
private String Thursday_Open;
private String Friday_Open;
private String Saturday_Open;
private String Sunday_Open;
private String Dates_Closed;
public Integer getId() {
return Id;
}
public void setId(Integer id) {
Id = id;
}
public Integer getCompany_Id() {
return Company_Id;
}
public void setCompany_Id(Integer company_Id) {
Company_Id = company_Id;
}
public String getProduct_Name() {
return Product_Name;
}
public void setProduct_Name(String product_Name) {
Product_Name = product_Name;
}
public String getDescription() {
return Description;
}
public void setDescription(String description) {
Description = description;
}
public String getMain_Photo_URL() {
return Main_Photo_URL;
}
public void setMain_Photo_URL(String main_Photo_URL) {
Main_Photo_URL = main_Photo_URL;
}
public String getOther_Photos_URLS() {
return Other_Photo_URLS;
}
public void setOther_Photos_URLS(String other_Photo_URLS) {
Other_Photo_URLS = other_Photo_URLS;
}
public Integer getTotal_Bookings() {
return Total_Bookings;
}
public void setTotal_Bookings(Integer total_Bookings) {
Total_Bookings = total_Bookings;
}
public double getAverage_Rating() {
return Average_Rating;
}
public void setAverage_Rating(double average_Rating) {
Average_Rating = average_Rating;
}
public Integer getNumber_Of_Slots() {
return Number_Of_Slots;
}
public void setNumber_Of_Slots(Integer number_Of_Slots) {
Number_Of_Slots = number_Of_Slots;
}
public Integer getTime_Per_Slot() {
return Time_Per_Slot;
}
public void setTime_Per_Slot(Integer time_Per_Slot) {
Time_Per_Slot = time_Per_Slot;
}
public double getPrice_Per_Slot() {
return Price_Per_Slot;
}
public void setPrice_Per_Slot(double price_Per_Slot) {
Price_Per_Slot = price_Per_Slot;
}
public String getMonday_Open() {
return Monday_Open;
}
public void setMonday_Open(String monday_Open) {
Monday_Open = monday_Open;
}
public String getTuesday_Open() {
return Tuesday_Open;
}
public void setTuesday_Open(String tuesday_Open) {
Tuesday_Open = tuesday_Open;
}
public String getWednesday_Open() {
return Wednesday_Open;
}
public void setWednesday_Open(String wednesday_Open) {
Wednesday_Open = wednesday_Open;
}
public String getThursday_Open() {
return Thursday_Open;
}
public void setThursday_Open(String thursday_Open) {
Thursday_Open = thursday_Open;
}
public String getFriday_Open() {
return Friday_Open;
}
public void setFriday_Open(String friday_Open) {
Friday_Open = friday_Open;
}
public String getSaturday_Open() {
return Saturday_Open;
}
public void setSaturday_Open(String saturday_Open) {
Saturday_Open = saturday_Open;
}
public String getSunday_Open() {
return Sunday_Open;
}
public void setSunday_Open(String sunday_Open) {
Sunday_Open = sunday_Open;
}
public String getDates_Closed() {
return Dates_Closed;
}
public void setDates_Closed(String dates_Closed) {
Dates_Closed = dates_Closed;
}
}
#Service
public class ProductServiceImpl implements ProductService{
private final static Logger LOG = Logger.getLogger(ProductServiceImpl.class.getName());
#PersistenceContext
EntityManager em;
#Transactional
public List<Company_Details> search(Search search) {
LOG.info("Entering search method");
CriteriaBuilder builder = em.getCriteriaBuilder();
CriteriaQuery<Company_Details> c = builder.createQuery(Company_Details.class);
Root<Company_Details> companyRoot = c.from(Company_Details.class);
c.select(companyRoot);
c.where(builder.equal(companyRoot.get("County"),search.getLocation()));
return em.createQuery(c).getResultList();
}
}
You need two criteria: criteria on the Company_Details class
And criteria on the Product_Details class
Then
Criteria crit1 = session.createCriteria(Company_Details.class);
crit1.add(restriction)
Criteria crit2 = crit1.createCriteria("products");
crit2.add(restriction)
// Then query crit1
List results = crit1.list();