issue #4

create customer, item and category entity

.jhipster/Category.json

@@ -0,0 +1,32 @@
+{
+    "fluentMethods": true,
+    "relationships": [
+        {
+            "relationshipType": "one-to-many",
+            "relationshipName": "item",
+            "otherEntityName": "item",
+            "otherEntityRelationshipName": "category"
+        },
+        {
+            "relationshipType": "many-to-one",
+            "relationshipName": "parent",
+            "otherEntityName": "category",
+            "otherEntityField": "id"
+        }
+    ],
+    "fields": [
+        {
+            "fieldName": "name",
+            "fieldType": "String",
+            "fieldValidateRules": [
+                "required"
+            ]
+        }
+    ],
+    "changelogDate": "20171118104227",
+    "entityTableName": "category",
+    "dto": "no",
+    "pagination": "pagination",
+    "service": "serviceClass",
+    "jpaMetamodelFiltering": false
+}

.jhipster/Customer.json

@@ -0,0 +1,35 @@
+{
+    "fluentMethods": true,
+    "relationships": [
+        {
+            "relationshipType": "one-to-many",
+            "relationshipName": "item",
+            "otherEntityName": "item",
+            "otherEntityRelationshipName": "customer"
+        }
+    ],
+    "fields": [
+        {
+            "fieldName": "firstName",
+            "fieldType": "String"
+        },
+        {
+            "fieldName": "lastName",
+            "fieldType": "String"
+        },
+        {
+            "fieldName": "email",
+            "fieldType": "String"
+        },
+        {
+            "fieldName": "telephone",
+            "fieldType": "String"
+        }
+    ],
+    "changelogDate": "20171118104228",
+    "entityTableName": "customer",
+    "dto": "no",
+    "pagination": "pagination",
+    "service": "no",
+    "jpaMetamodelFiltering": false
+}

.jhipster/Item.json

@@ -0,0 +1,40 @@
+{
+    "fluentMethods": true,
+    "relationships": [
+        {
+            "relationshipType": "many-to-one",
+            "relationshipName": "category",
+            "otherEntityName": "category",
+            "otherEntityField": "id"
+        },
+        {
+            "relationshipName": "customer",
+            "otherEntityName": "customer",
+            "relationshipType": "many-to-one",
+            "otherEntityField": "id"
+        }
+    ],
+    "fields": [
+        {
+            "fieldName": "name",
+            "fieldType": "String",
+            "fieldValidateRules": [
+                "required"
+            ]
+        },
+        {
+            "fieldName": "description",
+            "fieldType": "String"
+        },
+        {
+            "fieldName": "price",
+            "fieldType": "Integer"
+        }
+    ],
+    "changelogDate": "20171118104226",
+    "entityTableName": "item",
+    "dto": "no",
+    "pagination": "infinite-scroll",
+    "service": "serviceClass",
+    "jpaMetamodelFiltering": false
+}

src/main/java/org/apeps/firstapp/config/CacheConfiguration.java

@@ -43,6 +43,11 @@ public JCacheManagerCustomizer cacheManagerCustomizer() {
             cm.createCache(org.apeps.firstapp.domain.User.class.getName() + ".authorities", jcacheConfiguration);
             cm.createCache(org.apeps.firstapp.domain.PersistentToken.class.getName(), jcacheConfiguration);
             cm.createCache(org.apeps.firstapp.domain.User.class.getName() + ".persistentTokens", jcacheConfiguration);
+            cm.createCache(org.apeps.firstapp.domain.Item.class.getName(), jcacheConfiguration);
+            cm.createCache(org.apeps.firstapp.domain.Category.class.getName(), jcacheConfiguration);
+            cm.createCache(org.apeps.firstapp.domain.Category.class.getName() + ".items", jcacheConfiguration);
+            cm.createCache(org.apeps.firstapp.domain.Customer.class.getName(), jcacheConfiguration);
+            cm.createCache(org.apeps.firstapp.domain.Customer.class.getName() + ".items", jcacheConfiguration);
             // jhipster-needle-ehcache-add-entry
         };
     }

src/main/java/org/apeps/firstapp/domain/Category.java

@@ -0,0 +1,129 @@
+package org.apeps.firstapp.domain;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import org.hibernate.annotations.Cache;
+import org.hibernate.annotations.CacheConcurrencyStrategy;
+
+import javax.persistence.*;
+import javax.validation.constraints.*;
+import java.io.Serializable;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.Objects;
+
+/**
+ * A Category.
+ */
+@Entity
+@Table(name = "category")
+@Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
+public class Category implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "sequenceGenerator")
+    @SequenceGenerator(name = "sequenceGenerator")
+    private Long id;
+
+    @NotNull
+    @Column(name = "name", nullable = false)
+    private String name;
+
+    @OneToMany(mappedBy = "category")
+    @JsonIgnore
+    @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
+    private Set<Item> items = new HashSet<>();
+
+    @ManyToOne
+    private Category parent;
+
+    // jhipster-needle-entity-add-field - JHipster will add fields here, do not remove
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public Category name(String name) {
+        this.name = name;
+        return this;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Set<Item> getItems() {
+        return items;
+    }
+
+    public Category items(Set<Item> items) {
+        this.items = items;
+        return this;
+    }
+
+    public Category addItem(Item item) {
+        this.items.add(item);
+        item.setCategory(this);
+        return this;
+    }
+
+    public Category removeItem(Item item) {
+        this.items.remove(item);
+        item.setCategory(null);
+        return this;
+    }
+
+    public void setItems(Set<Item> items) {
+        this.items = items;
+    }
+
+    public Category getParent() {
+        return parent;
+    }
+
+    public Category parent(Category category) {
+        this.parent = category;
+        return this;
+    }
+
+    public void setParent(Category category) {
+        this.parent = category;
+    }
+    // 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;
+        }
+        Category category = (Category) o;
+        if (category.getId() == null || getId() == null) {
+            return false;
+        }
+        return Objects.equals(getId(), category.getId());
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(getId());
+    }
+
+    @Override
+    public String toString() {
+        return "Category{" +
+            "id=" + getId() +
+            ", name='" + getName() + "'" +
+            "}";
+    }
+}