implementacao da camada de repository da entidade Book & tests unitarios do repository;

Author: gdfreitasdev

library-model/src/main/java/com/library/app/book/model/Book.java

@@ -0,0 +1,139 @@
+package com.library.app.book.model;
+
+import com.library.app.author.model.Author;
+import com.library.app.category.model.Category;
+
+import javax.persistence.*;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author gabriel.freitas
+ */
+@Entity
+@Table(name = "lib_book")
+public class Book implements Serializable {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @NotNull
+    @Size(min = 10, max = 150)
+    private String title;
+
+    @NotNull
+    @ManyToOne
+    @JoinColumn(name = "category_id")
+    private Category category;
+
+    @ManyToMany(fetch = FetchType.EAGER)
+    @JoinTable(name = "lib_book_author",
+            joinColumns = @JoinColumn(name = "book_id"), inverseJoinColumns = @JoinColumn(name = "author_id"),
+            uniqueConstraints = @UniqueConstraint(columnNames = {"book_id", "author_id"}))
+    @JoinColumn(name = "author_id")
+    @OrderBy(value = "name")
+    @NotNull
+    @Size(min = 1)
+    private List<Author> authors;
+
+    @Lob
+    @NotNull
+    @Size(min = 10)
+    private String description;
+
+    @NotNull
+    private Double price;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(final Long id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(final String title) {
+        this.title = title;
+    }
+
+    public Category getCategory() {
+        return category;
+    }
+
+    public void setCategory(final Category category) {
+        this.category = category;
+    }
+
+    public List<Author> getAuthors() {
+        if (authors == null) {
+            authors = new ArrayList<>();
+        }
+        return authors;
+    }
+
+    public void setAuthors(final List<Author> authors) {
+        this.authors = authors;
+    }
+
+    public boolean addAuthor(final Author author) {
+        if (!getAuthors().contains(author)) {
+            getAuthors().add(author);
+            return true;
+        }
+        return false;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(final String description) {
+        this.description = description;
+    }
+
+    public Double getPrice() {
+        return price;
+    }
+
+    public void setPrice(final Double price) {
+        this.price = price;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((id == null) ? 0 : id.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        final Book other = (Book) obj;
+        if (id == null) {
+            if (other.id != null)
+                return false;
+        } else if (!id.equals(other.id))
+            return false;
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return "Book [id=" + id + ", title=" + title + ", price=" + price + "]";
+    }
+}

library-model/src/main/java/com/library/app/book/model/filter/BookFilter.java

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+package com.library.app.book.model.filter;
+
+import com.library.app.common.model.filter.GenericFilter;
+
+/**
+ * @author gabriel.freitas
+ */
+public class BookFilter extends GenericFilter {
+
+    private String title;
+    private Long categoryId;
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(final String title) {
+        this.title = title;
+    }
+
+    public Long getCategoryId() {
+        return categoryId;
+    }
+
+    public void setCategoryId(final Long categoryId) {
+        this.categoryId = categoryId;
+    }
+
+    @Override
+    public String toString() {
+        return "BookFilter [title=" + title + ", categoryId=" + categoryId + ", toString()=" + super.toString() + "]";
+    }
+
+}

library-model/src/main/java/com/library/app/book/repository/BookRepository.java

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+package com.library.app.book.repository;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+import com.library.app.book.model.Book;
+import com.library.app.book.model.filter.BookFilter;
+import com.library.app.common.model.PaginatedData;
+import com.library.app.common.repository.GenericRepository;
+/**
+ * @author gabriel.freitas
+ */
+@Stateless
+public class BookRepository extends GenericRepository<Book> {
+
+    @PersistenceContext
+    EntityManager em;
+
+    @Override
+    protected Class<Book> getPersistentClass() {
+        return Book.class;
+    }
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public PaginatedData<Book> findByFilter(final BookFilter bookFilter) {
+        final StringBuilder clause = new StringBuilder("Where e.id is not null");
+        final Map<String, Object> queryParameters = new HashMap<>();
+        if (bookFilter.getTitle() != null) {
+            clause.append(" AND UPPER(e.title) Like UPPER(:title)");
+            queryParameters.put("title", "%" + bookFilter.getTitle() + "%");
+        }
+        if (bookFilter.getCategoryId() != null) {
+            clause.append(" AND e.category.id = :categoryId");
+            queryParameters.put("categoryId", bookFilter.getCategoryId());
+        }
+
+        return findByParameters(clause.toString(), bookFilter.getPaginationData(), queryParameters, "title ASC");
+    }
+
+}