From 9da56d97b677051cf0ab4a756491047fe433be19 Mon Sep 17 00:00:00 2001 From: Raghav Jha Date: Sat, 20 Apr 2019 10:04:34 +0530 Subject: [PATCH] BAEL-2822 Persisting Maps with Hibernate (#6692) * BAEL-2822 Persisting Maps with Hibernate * BAEL-2822 Move PersistMaps Tutorial to new module * BAEL-2822 Move PersistMaps Tutorial to new module * BAEL-2822 Move PersistMaps Tutorial to new module --- persistence-modules/hibernate-mapping/pom.xml | 52 ++++++++ .../com/baeldung/hibernate/HibernateUtil.java | 64 ++++++++++ .../java/com/baeldung/hibernate/Strategy.java | 31 +++++ .../hibernate/persistmaps/ItemType.java | 6 + .../hibernate/persistmaps/mapkey/Item.java | 95 +++++++++++++++ .../hibernate/persistmaps/mapkey/Order.java | 44 +++++++ .../persistmaps/mapkeycolumn/Order.java | 43 +++++++ .../persistmaps/mapkeyenumerated/Order.java | 48 ++++++++ .../persistmaps/mapkeyjoincolumn/Item.java | 112 ++++++++++++++++++ .../persistmaps/mapkeyjoincolumn/Order.java | 44 +++++++ .../persistmaps/mapkeyjoincolumn/Seller.java | 51 ++++++++ .../persistmaps/mapkeytemporal/Order.java | 48 ++++++++ .../src/main/resources/logback.xml | 13 ++ .../MapKeyColumnIntegrationTest.java | 79 ++++++++++++ .../MapKeyEnumeratedIntegrationTest.java | 95 +++++++++++++++ .../persistmaps/MapKeyIntegrationTest.java | 95 +++++++++++++++ .../MapKeyJoinColumnIntegrationTest.java | 105 ++++++++++++++++ .../MapKeyTemporalIntegrationTest.java | 96 +++++++++++++++ .../src/test/resources/hibernate.properties | 10 ++ persistence-modules/pom.xml | 1 + pom.xml | 1 + 21 files changed, 1133 insertions(+) create mode 100644 persistence-modules/hibernate-mapping/pom.xml create mode 100644 persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/HibernateUtil.java create mode 100644 persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/Strategy.java create mode 100644 persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/ItemType.java create mode 100644 persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkey/Item.java create mode 100644 persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkey/Order.java create mode 100644 persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeycolumn/Order.java create mode 100644 persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyenumerated/Order.java create mode 100644 persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Item.java create mode 100644 persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Order.java create mode 100644 persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Seller.java create mode 100644 persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeytemporal/Order.java create mode 100644 persistence-modules/hibernate-mapping/src/main/resources/logback.xml create mode 100644 persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyColumnIntegrationTest.java create mode 100644 persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyEnumeratedIntegrationTest.java create mode 100644 persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyIntegrationTest.java create mode 100644 persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyJoinColumnIntegrationTest.java create mode 100644 persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyTemporalIntegrationTest.java create mode 100644 persistence-modules/hibernate-mapping/src/test/resources/hibernate.properties diff --git a/persistence-modules/hibernate-mapping/pom.xml b/persistence-modules/hibernate-mapping/pom.xml new file mode 100644 index 0000000000..11caf67bf1 --- /dev/null +++ b/persistence-modules/hibernate-mapping/pom.xml @@ -0,0 +1,52 @@ + + + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + ../../ + + + hibernate-mapping + 1.0.0-SNAPSHOT + 4.0.0 + + + + org.hibernate + hibernate-core + ${hibernate.version} + + + org.assertj + assertj-core + ${assertj-core.version} + test + + + com.h2database + h2 + ${h2database.version} + + + + + hibernate-mapping + + + src/test/resources + true + + + + + + 5.3.7.Final + 1.4.196 + 3.8.0 + + + \ No newline at end of file diff --git a/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/HibernateUtil.java b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/HibernateUtil.java new file mode 100644 index 0000000000..7411edd225 --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/HibernateUtil.java @@ -0,0 +1,64 @@ +package com.baeldung.hibernate; + +import org.hibernate.SessionFactory; +import org.hibernate.boot.Metadata; +import org.hibernate.boot.MetadataSources; +import org.hibernate.boot.registry.StandardServiceRegistryBuilder; +import org.hibernate.service.ServiceRegistry; + +import java.io.FileInputStream; +import java.io.IOException; +import java.net.URL; +import java.util.Properties; + +public class HibernateUtil { + private static SessionFactory sessionFactory; + + private HibernateUtil() { + } + + public static SessionFactory getSessionFactory(Strategy strategy) { + if (sessionFactory == null) { + sessionFactory = buildSessionFactory(strategy); + } + return sessionFactory; + } + + private static SessionFactory buildSessionFactory(Strategy strategy) { + try { + ServiceRegistry serviceRegistry = configureServiceRegistry(); + + MetadataSources metadataSources = new MetadataSources(serviceRegistry); + + for (Class entityClass : strategy.getEntityClasses()) { + metadataSources.addAnnotatedClass(entityClass); + } + + Metadata metadata = metadataSources.getMetadataBuilder() + .build(); + + return metadata.getSessionFactoryBuilder() + .build(); + } catch (IOException ex) { + throw new ExceptionInInitializerError(ex); + } + } + + + private static ServiceRegistry configureServiceRegistry() throws IOException { + Properties properties = getProperties(); + return new StandardServiceRegistryBuilder().applySettings(properties) + .build(); + } + + private static Properties getProperties() throws IOException { + Properties properties = new Properties(); + URL propertiesURL = Thread.currentThread() + .getContextClassLoader() + .getResource("hibernate.properties"); + try (FileInputStream inputStream = new FileInputStream(propertiesURL.getFile())) { + properties.load(inputStream); + } + return properties; + } +} diff --git a/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/Strategy.java b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/Strategy.java new file mode 100644 index 0000000000..75f10ed583 --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/Strategy.java @@ -0,0 +1,31 @@ +package com.baeldung.hibernate; + + +import java.util.Arrays; +import java.util.Collections; +import java.util.List; + +public enum Strategy { + //See that the classes belongs to different packages + MAP_KEY_COLUMN_BASED(Collections.singletonList(com.baeldung.hibernate.persistmaps.mapkeycolumn.Order.class)), + MAP_KEY_BASED(Arrays.asList(com.baeldung.hibernate.persistmaps.mapkey.Item.class, + com.baeldung.hibernate.persistmaps.mapkey.Order.class)), + MAP_KEY_JOIN_COLUMN_BASED(Arrays.asList(com.baeldung.hibernate.persistmaps.mapkeyjoincolumn.Seller.class, + com.baeldung.hibernate.persistmaps.mapkeyjoincolumn.Item.class, + com.baeldung.hibernate.persistmaps.mapkeyjoincolumn.Order.class)), + MAP_KEY_ENUMERATED_BASED(Arrays.asList(com.baeldung.hibernate.persistmaps.mapkeyenumerated.Order.class, + com.baeldung.hibernate.persistmaps.mapkey.Item.class)), + MAP_KEY_TEMPORAL_BASED(Arrays.asList(com.baeldung.hibernate.persistmaps.mapkeytemporal.Order.class, + com.baeldung.hibernate.persistmaps.mapkey.Item.class)); + + + private List> entityClasses; + + Strategy(List> entityClasses) { + this.entityClasses = entityClasses; + } + + public List> getEntityClasses() { + return entityClasses; + } +} diff --git a/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/ItemType.java b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/ItemType.java new file mode 100644 index 0000000000..b7f3cef9a2 --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/ItemType.java @@ -0,0 +1,6 @@ +package com.baeldung.hibernate.persistmaps; + +public enum ItemType { + JEANS, + TSHIRTS +} diff --git a/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkey/Item.java b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkey/Item.java new file mode 100644 index 0000000000..385ffe93ea --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkey/Item.java @@ -0,0 +1,95 @@ +package com.baeldung.hibernate.persistmaps.mapkey; + +import com.baeldung.hibernate.persistmaps.ItemType; + +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.EnumType; +import javax.persistence.Enumerated; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import javax.persistence.Table; +import javax.persistence.Temporal; +import javax.persistence.TemporalType; +import java.util.Date; +import java.util.Objects; + +@Entity +@Table(name = "item") +public class Item { + @Id + @GeneratedValue + @Column(name = "id") + private int id; + + @Column(name = "name") + private String itemName; + + @Column(name = "price") + private double itemPrice; + + @Enumerated(EnumType.STRING) + @Column(name = "item_type") + private ItemType itemType; + + @Temporal(TemporalType.TIMESTAMP) + @Column(name = "created_on") + private Date createdOn; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public String getItemName() { + return itemName; + } + + public void setItemName(String itemName) { + this.itemName = itemName; + } + + public double getItemPrice() { + return itemPrice; + } + + public void setItemPrice(double itemPrice) { + this.itemPrice = itemPrice; + } + + public ItemType getItemType() { + return itemType; + } + + public void setItemType(ItemType itemType) { + this.itemType = itemType; + } + + public Date getCreatedOn() { + return createdOn; + } + + public void setCreatedOn(Date createdOn) { + this.createdOn = createdOn; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + Item item = (Item) o; + return id == item.id && + Double.compare(item.itemPrice, itemPrice) == 0 && + Objects.equals(itemName, item.itemName) && + itemType == item.itemType && + Objects.equals(createdOn, item.createdOn); + } + + @Override + public int hashCode() { + return Objects.hash(id, itemName, itemPrice, itemType, createdOn); + } +} diff --git a/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkey/Order.java b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkey/Order.java new file mode 100644 index 0000000000..8409cacd6b --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkey/Order.java @@ -0,0 +1,44 @@ +package com.baeldung.hibernate.persistmaps.mapkey; + +import javax.persistence.CascadeType; +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import javax.persistence.JoinColumn; +import javax.persistence.JoinTable; +import javax.persistence.MapKey; +import javax.persistence.OneToMany; +import javax.persistence.Table; +import java.util.Map; + +@Entity +@Table(name = "orders") +public class Order { + @Id + @GeneratedValue + @Column(name = "id") + private int id; + + @OneToMany(cascade = CascadeType.ALL) + @JoinTable(name = "order_item_mapping", joinColumns = {@JoinColumn(name = "order_id", referencedColumnName = "id")}, + inverseJoinColumns = {@JoinColumn(name = "item_id", referencedColumnName = "id")}) + @MapKey(name = "itemName") + private Map itemMap; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public Map getItemMap() { + return itemMap; + } + + public void setItemMap(Map itemMap) { + this.itemMap = itemMap; + } +} \ No newline at end of file diff --git a/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeycolumn/Order.java b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeycolumn/Order.java new file mode 100644 index 0000000000..fa092060da --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeycolumn/Order.java @@ -0,0 +1,43 @@ +package com.baeldung.hibernate.persistmaps.mapkeycolumn; + +import javax.persistence.CollectionTable; +import javax.persistence.Column; +import javax.persistence.ElementCollection; +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import javax.persistence.JoinColumn; +import javax.persistence.MapKeyColumn; +import javax.persistence.Table; +import java.util.Map; + +@Entity +@Table(name = "orders") +public class Order { + @Id + @GeneratedValue + @Column(name = "id") + private int id; + + @ElementCollection + @CollectionTable(name = "order_item_mapping", joinColumns = {@JoinColumn(name = "order_id", referencedColumnName = "id")}) + @MapKeyColumn(name = "item_name") + @Column(name = "price") + private Map itemPriceMap; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public Map getItemPriceMap() { + return itemPriceMap; + } + + public void setItemPriceMap(Map itemPriceMap) { + this.itemPriceMap = itemPriceMap; + } +} \ No newline at end of file diff --git a/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyenumerated/Order.java b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyenumerated/Order.java new file mode 100644 index 0000000000..e1f62599b8 --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyenumerated/Order.java @@ -0,0 +1,48 @@ +package com.baeldung.hibernate.persistmaps.mapkeyenumerated; + +import com.baeldung.hibernate.persistmaps.ItemType; +import com.baeldung.hibernate.persistmaps.mapkey.Item; + +import javax.persistence.CascadeType; +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.EnumType; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import javax.persistence.JoinColumn; +import javax.persistence.JoinTable; +import javax.persistence.MapKeyEnumerated; +import javax.persistence.OneToMany; +import javax.persistence.Table; +import java.util.Map; + +@Entity +@Table(name = "orders") +public class Order { + @Id + @GeneratedValue + @Column(name = "id") + private int id; + + @OneToMany(cascade = CascadeType.ALL) + @JoinTable(name = "order_item_mapping", joinColumns = {@JoinColumn(name = "order_id", referencedColumnName = "id")}, + inverseJoinColumns = {@JoinColumn(name = "item_id", referencedColumnName = "id")}) + @MapKeyEnumerated(EnumType.STRING) + private Map itemMap; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public Map getItemMap() { + return itemMap; + } + + public void setItemMap(Map itemMap) { + this.itemMap = itemMap; + } +} diff --git a/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Item.java b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Item.java new file mode 100644 index 0000000000..97bbd5b539 --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Item.java @@ -0,0 +1,112 @@ +package com.baeldung.hibernate.persistmaps.mapkeyjoincolumn; + +import com.baeldung.hibernate.persistmaps.ItemType; + +import javax.persistence.CascadeType; +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.EnumType; +import javax.persistence.Enumerated; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import javax.persistence.JoinColumn; +import javax.persistence.ManyToOne; +import javax.persistence.Table; +import javax.persistence.Temporal; +import javax.persistence.TemporalType; +import java.util.Date; +import java.util.Objects; + +@Entity +@Table(name = "item") +public class Item { + @Id + @GeneratedValue + @Column(name = "id") + private int id; + + @Column(name = "name") + private String itemName; + + @Column(name = "price") + private double itemPrice; + + @Column(name = "item_type") + @Enumerated(EnumType.STRING) + private ItemType itemType; + + @Temporal(TemporalType.TIMESTAMP) + @Column(name = "created_on") + private Date createdOn; + + @ManyToOne(cascade = CascadeType.ALL) + @JoinColumn(name = "seller_id") + private Seller seller; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public String getItemName() { + return itemName; + } + + public void setItemName(String itemName) { + this.itemName = itemName; + } + + public double getItemPrice() { + return itemPrice; + } + + public void setItemPrice(double itemPrice) { + this.itemPrice = itemPrice; + } + + public ItemType getItemType() { + return itemType; + } + + public void setItemType(ItemType itemType) { + this.itemType = itemType; + } + + public Date getCreatedOn() { + return createdOn; + } + + public void setCreatedOn(Date createdOn) { + this.createdOn = createdOn; + } + + public Seller getSeller() { + return seller; + } + + public void setSeller(Seller seller) { + this.seller = seller; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + Item item = (Item) o; + return id == item.id && + Double.compare(item.itemPrice, itemPrice) == 0 && + Objects.equals(itemName, item.itemName) && + itemType == item.itemType && + Objects.equals(createdOn, item.createdOn) && + Objects.equals(seller, item.seller); + } + + @Override + public int hashCode() { + + return Objects.hash(id, itemName, itemPrice, itemType, createdOn, seller); + } +} diff --git a/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Order.java b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Order.java new file mode 100644 index 0000000000..d680d84501 --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Order.java @@ -0,0 +1,44 @@ +package com.baeldung.hibernate.persistmaps.mapkeyjoincolumn; + +import javax.persistence.CascadeType; +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import javax.persistence.JoinColumn; +import javax.persistence.JoinTable; +import javax.persistence.MapKeyJoinColumn; +import javax.persistence.OneToMany; +import javax.persistence.Table; +import java.util.Map; + +@Entity +@Table(name = "orders") +public class Order { + @Id + @GeneratedValue + @Column(name = "id") + private int id; + + @OneToMany(cascade = CascadeType.ALL) + @JoinTable(name = "order_item_mapping", joinColumns = {@JoinColumn(name = "order_id", referencedColumnName = "id")}, + inverseJoinColumns = {@JoinColumn(name = "item_id", referencedColumnName = "id")}) + @MapKeyJoinColumn(name = "seller_id") + private Map sellerItemMap; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public Map getSellerItemMap() { + return sellerItemMap; + } + + public void setSellerItemMap(Map sellerItemMap) { + this.sellerItemMap = sellerItemMap; + } +} \ No newline at end of file diff --git a/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Seller.java b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Seller.java new file mode 100644 index 0000000000..15b08e9fe6 --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeyjoincolumn/Seller.java @@ -0,0 +1,51 @@ +package com.baeldung.hibernate.persistmaps.mapkeyjoincolumn; + +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import javax.persistence.Table; +import java.util.Objects; + +@Entity +@Table(name = "seller") +public class Seller { + + @Id + @GeneratedValue + @Column(name = "id") + private int id; + + @Column(name = "name") + private String sellerName; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public String getSellerName() { + return sellerName; + } + + public void setSellerName(String sellerName) { + this.sellerName = sellerName; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + Seller seller = (Seller) o; + return Objects.equals(sellerName, seller.sellerName); + } + + @Override + public int hashCode() { + + return Objects.hash(sellerName); + } +} diff --git a/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeytemporal/Order.java b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeytemporal/Order.java new file mode 100644 index 0000000000..be602c1e9f --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/java/com/baeldung/hibernate/persistmaps/mapkeytemporal/Order.java @@ -0,0 +1,48 @@ +package com.baeldung.hibernate.persistmaps.mapkeytemporal; + +import com.baeldung.hibernate.persistmaps.mapkey.Item; + +import javax.persistence.CascadeType; +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import javax.persistence.JoinColumn; +import javax.persistence.JoinTable; +import javax.persistence.MapKeyTemporal; +import javax.persistence.OneToMany; +import javax.persistence.Table; +import javax.persistence.TemporalType; +import java.util.Date; +import java.util.Map; + +@Entity +@Table(name = "orders") +public class Order { + @Id + @GeneratedValue + @Column(name = "id") + private int id; + + @OneToMany(cascade = CascadeType.ALL) + @JoinTable(name = "order_item_mapping", joinColumns = {@JoinColumn(name = "order_id", referencedColumnName = "id")}, + inverseJoinColumns = {@JoinColumn(name = "item_id", referencedColumnName = "id")}) + @MapKeyTemporal(TemporalType.TIMESTAMP) + private Map itemMap; + + public int getId() { + return id; + } + + public void setId(int id) { + this.id = id; + } + + public Map getItemMap() { + return itemMap; + } + + public void setItemMap(Map itemMap) { + this.itemMap = itemMap; + } +} diff --git a/persistence-modules/hibernate-mapping/src/main/resources/logback.xml b/persistence-modules/hibernate-mapping/src/main/resources/logback.xml new file mode 100644 index 0000000000..26beb6d5b4 --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/main/resources/logback.xml @@ -0,0 +1,13 @@ + + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + \ No newline at end of file diff --git a/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyColumnIntegrationTest.java b/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyColumnIntegrationTest.java new file mode 100644 index 0000000000..acd77ee382 --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyColumnIntegrationTest.java @@ -0,0 +1,79 @@ +package com.baeldung.hibernate.persistmaps; + +import com.baeldung.hibernate.HibernateUtil; +import com.baeldung.hibernate.Strategy; +import com.baeldung.hibernate.persistmaps.mapkeycolumn.Order; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; + +public class MapKeyColumnIntegrationTest { + private static SessionFactory sessionFactory; + + private Session session; + + @BeforeClass + public static void beforeTests() { + sessionFactory = HibernateUtil.getSessionFactory(Strategy.MAP_KEY_COLUMN_BASED); + } + + @Before + public void setUp() { + session = sessionFactory.openSession(); + session.beginTransaction(); + } + + @Test + public void givenData_whenInsertUsingMapKeyColumn_thenPersistMap() { + Map itemPriceMap = new HashMap<>(); + itemPriceMap.put("Wrangler Jeans", 150.0); + itemPriceMap.put("Lee Jeans", 180.0); + + + Order order = new Order(); + order.setItemPriceMap(itemPriceMap); + + session.persist(order); + session.getTransaction().commit(); + + assertInsertedData(); + } + + private void assertInsertedData() { + @SuppressWarnings("unchecked") + List orderList = session.createQuery("FROM Order").list(); + + assertNotNull(orderList); + assertEquals(1, orderList.size()); + + Order order = orderList.get(0); + + Map itemPriceMap = order.getItemPriceMap(); + assertNotNull(itemPriceMap); + assertEquals(itemPriceMap.size(), 2); + assertEquals((Double) 150.0, itemPriceMap.get("Wrangler Jeans")); + assertEquals((Double) 180.0, itemPriceMap.get("Lee Jeans")); + + } + + @After + public void tearDown() { + session.close(); + } + + @AfterClass + public static void afterTests() { + sessionFactory.close(); + } +} diff --git a/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyEnumeratedIntegrationTest.java b/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyEnumeratedIntegrationTest.java new file mode 100644 index 0000000000..221aa7b1d7 --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyEnumeratedIntegrationTest.java @@ -0,0 +1,95 @@ +package com.baeldung.hibernate.persistmaps; + +import com.baeldung.hibernate.HibernateUtil; +import com.baeldung.hibernate.Strategy; +import com.baeldung.hibernate.persistmaps.mapkey.Item; +import com.baeldung.hibernate.persistmaps.mapkeyenumerated.Order; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +import java.time.Instant; +import java.util.Date; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; + +public class MapKeyEnumeratedIntegrationTest { + private static SessionFactory sessionFactory; + + private Session session; + + @BeforeClass + public static void beforeTests() { + sessionFactory = HibernateUtil.getSessionFactory(Strategy.MAP_KEY_ENUMERATED_BASED); + } + + @Before + public void setUp() { + session = sessionFactory.openSession(); + session.beginTransaction(); + } + + @Test + public void givenData_whenInsertUsingMapKeyEnumerated_thenPersistMap() { + Item item1 = new Item(); + item1.setItemName("Wrangler Jeans"); + item1.setItemPrice(150.0); + item1.setItemType(ItemType.JEANS); + item1.setCreatedOn(Date.from(Instant.ofEpochSecond(1554926573))); + + + Item item2 = new Item(); + item2.setItemName("Armani Tshirts"); + item2.setItemPrice(180.0); + item2.setItemType(ItemType.TSHIRTS); + item2.setCreatedOn(Date.from(Instant.ofEpochSecond(1554890573))); + + Map itemMap = new HashMap<>(); + itemMap.put(item1.getItemType(), item1); + itemMap.put(item2.getItemType(), item2); + + Order order = new Order(); + order.setItemMap(itemMap); + + session.persist(order); + session.getTransaction().commit(); + + assertInsertedData(item1, item2); + } + + private void assertInsertedData(Item expectedItem1, Item expectedItem2) { + @SuppressWarnings("unchecked") + List orderList = session.createQuery("FROM Order").list(); + + assertNotNull(orderList); + assertEquals(1, orderList.size()); + + Order order = orderList.get(0); + + Map itemMap = order.getItemMap(); + assertNotNull(itemMap); + assertEquals(2, itemMap.size()); + assertEquals(expectedItem1, itemMap.get(ItemType.JEANS)); + assertEquals(expectedItem2, itemMap.get(ItemType.TSHIRTS)); + + } + + @After + public void tearDown() { + session.close(); + } + + @AfterClass + public static void afterTests() { + sessionFactory.close(); + } +} + diff --git a/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyIntegrationTest.java b/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyIntegrationTest.java new file mode 100644 index 0000000000..b500deb78e --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyIntegrationTest.java @@ -0,0 +1,95 @@ +package com.baeldung.hibernate.persistmaps; + +import com.baeldung.hibernate.HibernateUtil; +import com.baeldung.hibernate.Strategy; +import com.baeldung.hibernate.persistmaps.mapkey.Item; +import com.baeldung.hibernate.persistmaps.mapkey.Order; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +import java.time.Instant; +import java.util.Date; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; + +public class MapKeyIntegrationTest { + private static SessionFactory sessionFactory; + + private Session session; + + @BeforeClass + public static void beforeTests() { + sessionFactory = HibernateUtil.getSessionFactory(Strategy.MAP_KEY_BASED); + } + + @Before + public void setUp() { + session = sessionFactory.openSession(); + session.beginTransaction(); + } + + @Test + public void givenData_whenInsertUsingMapKey_thenPersistMap() { + Item item1 = new Item(); + item1.setItemName("Wrangler Jeans"); + item1.setItemPrice(150.0); + item1.setItemType(ItemType.JEANS); + item1.setCreatedOn(Date.from(Instant.ofEpochSecond(1554926573))); + + + Item item2 = new Item(); + item2.setItemName("Armani Tshirts"); + item2.setItemPrice(180.0); + item2.setItemType(ItemType.TSHIRTS); + item2.setCreatedOn(Date.from(Instant.ofEpochSecond(1554890573))); + + Map itemMap = new HashMap<>(); + itemMap.put(item1.getItemName(), item1); + itemMap.put(item2.getItemName(), item2); + + Order order = new Order(); + order.setItemMap(itemMap); + + session.persist(order); + session.getTransaction().commit(); + + assertInsertedData(item1, item2); + } + + private void assertInsertedData(Item expectedItem1, Item expectedItem2) { + @SuppressWarnings("unchecked") + List orderList = session.createQuery("FROM Order").list(); + + assertNotNull(orderList); + assertEquals(1, orderList.size()); + + Order order = orderList.get(0); + + Map itemMap = order.getItemMap(); + assertNotNull(itemMap); + assertEquals(2, itemMap.size()); + assertEquals(expectedItem1, itemMap.get("Wrangler Jeans")); + assertEquals(expectedItem2, itemMap.get("Armani Tshirts")); + + } + + @After + public void tearDown() { + session.close(); + } + + @AfterClass + public static void afterTests() { + sessionFactory.close(); + } +} + diff --git a/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyJoinColumnIntegrationTest.java b/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyJoinColumnIntegrationTest.java new file mode 100644 index 0000000000..88b22f5c99 --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyJoinColumnIntegrationTest.java @@ -0,0 +1,105 @@ +package com.baeldung.hibernate.persistmaps; + +import com.baeldung.hibernate.HibernateUtil; +import com.baeldung.hibernate.Strategy; +import com.baeldung.hibernate.persistmaps.mapkeyjoincolumn.Item; +import com.baeldung.hibernate.persistmaps.mapkeyjoincolumn.Order; +import com.baeldung.hibernate.persistmaps.mapkeyjoincolumn.Seller; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +import java.time.Instant; +import java.util.Date; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; + +public class MapKeyJoinColumnIntegrationTest { + private static SessionFactory sessionFactory; + + private Session session; + + @BeforeClass + public static void beforeTests() { + sessionFactory = HibernateUtil.getSessionFactory(Strategy.MAP_KEY_JOIN_COLUMN_BASED); + } + + @Before + public void setUp() { + session = sessionFactory.openSession(); + session.beginTransaction(); + } + + @Test + public void givenData_whenInsertUsingMapKeyJoinColumn_thenPersistMap() { + Seller seller1 = new Seller(); + seller1.setSellerName("Walmart"); + + Item item1 = new Item(); + item1.setItemName("Wrangler Jeans"); + item1.setItemPrice(150.0); + item1.setItemType(ItemType.JEANS); + item1.setCreatedOn(Date.from(Instant.ofEpochSecond(1554926573))); + item1.setSeller(seller1); + + + Seller seller2 = new Seller(); + seller2.setSellerName("Amazon"); + + Item item2 = new Item(); + item2.setItemName("Armani Tshirts"); + item2.setItemPrice(180.0); + item2.setItemType(ItemType.TSHIRTS); + item2.setCreatedOn(Date.from(Instant.ofEpochSecond(1554890573))); + item2.setSeller(seller2); + + Map itemSellerMap = new HashMap<>(); + itemSellerMap.put(seller1, item1); + itemSellerMap.put(seller2, item2); + + Order order = new Order(); + order.setSellerItemMap(itemSellerMap); + + + session.persist(order); + session.getTransaction().commit(); + + assertInsertedData(seller1, item1, seller2, item2); + } + + private void assertInsertedData(Seller seller1, Item expectedItem1, Seller seller2, Item expectedItem2) { + @SuppressWarnings("unchecked") + List orderList = session.createQuery("FROM Order").list(); + + assertNotNull(orderList); + assertEquals(1, orderList.size()); + + Order order = orderList.get(0); + + Map sellerItemMap = order.getSellerItemMap(); + assertNotNull(sellerItemMap); + assertEquals(2, sellerItemMap.size()); + assertEquals(expectedItem1, sellerItemMap.get(seller1)); + assertEquals(expectedItem2, sellerItemMap.get(seller2)); + + } + + @After + public void tearDown() { + session.close(); + } + + @AfterClass + public static void afterTests() { + sessionFactory.close(); + } +} + diff --git a/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyTemporalIntegrationTest.java b/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyTemporalIntegrationTest.java new file mode 100644 index 0000000000..7117cad22f --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/test/java/com/baeldung/hibernate/persistmaps/MapKeyTemporalIntegrationTest.java @@ -0,0 +1,96 @@ +package com.baeldung.hibernate.persistmaps; + +import com.baeldung.hibernate.HibernateUtil; +import com.baeldung.hibernate.Strategy; +import com.baeldung.hibernate.persistmaps.mapkey.Item; +import com.baeldung.hibernate.persistmaps.mapkeytemporal.Order; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +import java.time.Instant; +import java.util.Date; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNotNull; + +public class MapKeyTemporalIntegrationTest { + private static SessionFactory sessionFactory; + + private Session session; + + @BeforeClass + public static void beforeTests() { + sessionFactory = HibernateUtil.getSessionFactory(Strategy.MAP_KEY_TEMPORAL_BASED); + } + + @Before + public void setUp() { + session = sessionFactory.openSession(); + session.beginTransaction(); + } + + @Test + public void givenData_whenInsertUsingMapKeyEnumerated_thenPersistMap() { + Date item1CreatedOn = Date.from(Instant.ofEpochSecond(1554926573)); + Item item1 = new Item(); + item1.setItemName("Wrangler Jeans"); + item1.setItemPrice(150.0); + item1.setItemType(ItemType.JEANS); + item1.setCreatedOn(item1CreatedOn); + + + Date item2CreatedOn = Date.from(Instant.ofEpochSecond(1554890573)); + Item item2 = new Item(); + item2.setItemName("Armani Tshirts"); + item2.setItemPrice(180.0); + item2.setItemType(ItemType.TSHIRTS); + item2.setCreatedOn(item2CreatedOn); + + Map itemMap = new HashMap<>(); + itemMap.put(item1CreatedOn, item1); + itemMap.put(item2CreatedOn, item2); + + Order order = new Order(); + order.setItemMap(itemMap); + + session.persist(order); + session.getTransaction().commit(); + + assertInsertedData(item1CreatedOn, item1, item2CreatedOn, item2); + } + + private void assertInsertedData(Date item1CreatedOn, Item expectedItem1, Date item2CreatedOn, Item expectedItem2) { + @SuppressWarnings("unchecked") + List orderList = session.createQuery("FROM Order").list(); + + assertNotNull(orderList); + assertEquals(1, orderList.size()); + + Order order = orderList.get(0); + + Map itemMap = order.getItemMap(); + assertNotNull(itemMap); + assertEquals(2, itemMap.size()); + assertEquals(expectedItem1, itemMap.get(item1CreatedOn)); + assertEquals(expectedItem2, itemMap.get(item2CreatedOn)); + + } + + @After + public void tearDown() { + session.close(); + } + + @AfterClass + public static void afterTests() { + sessionFactory.close(); + } +} diff --git a/persistence-modules/hibernate-mapping/src/test/resources/hibernate.properties b/persistence-modules/hibernate-mapping/src/test/resources/hibernate.properties new file mode 100644 index 0000000000..c22da2496b --- /dev/null +++ b/persistence-modules/hibernate-mapping/src/test/resources/hibernate.properties @@ -0,0 +1,10 @@ +hibernate.connection.driver_class=org.h2.Driver +hibernate.connection.url=jdbc:h2:mem:mydb1;DB_CLOSE_DELAY=-1 +hibernate.connection.username=sa +hibernate.connection.autocommit=true +jdbc.password= + +hibernate.dialect=org.hibernate.dialect.H2Dialect +hibernate.show_sql=true +hibernate.hbm2ddl.auto=create-drop + diff --git a/persistence-modules/pom.xml b/persistence-modules/pom.xml index 47c733d8a7..ee55325b20 100644 --- a/persistence-modules/pom.xml +++ b/persistence-modules/pom.xml @@ -22,6 +22,7 @@ hbase hibernate5 hibernate-ogm + hibernate-mapping influxdb java-cassandra java-cockroachdb diff --git a/pom.xml b/pom.xml index 3bfa182d72..53ca4291bf 100644 --- a/pom.xml +++ b/pom.xml @@ -967,6 +967,7 @@ libraries persistence-modules/hibernate5 + persistence-modules/hibernate-mapping persistence-modules/java-jpa persistence-modules/java-mongodb persistence-modules/jnosql