From 969935e83c902426f5ff8d6ac535a0349c84f4d3 Mon Sep 17 00:00:00 2001
From: cizek <cizek@inqool.cz>
Date: Sat, 16 Apr 2022 17:27:36 +0200
Subject: [PATCH 1/2] added generic service impl

---
 .../market/manager/domain/DomainService.java  | 52 +++++++++++++++++++
 .../manager/domain/DomainServiceImpl.java     | 46 ++++++++++++++++
 2 files changed, 98 insertions(+)
 create mode 100644 src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainService.java
 create mode 100644 src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainServiceImpl.java

diff --git a/src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainService.java b/src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainService.java
new file mode 100644
index 0000000..96f9215
--- /dev/null
+++ b/src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainService.java
@@ -0,0 +1,52 @@
+package cz.fi.muni.pa165.flea.market.manager.domain;
+
+import lombok.NonNull;
+
+import java.util.List;
+
+/**
+ * Service interface for ENTITY with basic CRUD operations
+ *
+ * @param <ENTITY> entity for the service
+ *
+ * @author Michal Cizek
+ */
+public interface DomainService<ENTITY extends DomainEntity> {
+    /**
+     * Creates new entity.
+     *
+     * @param object entity to store in database
+     * @return created entity
+     */
+    ENTITY create(@NonNull ENTITY object);
+
+    /**
+     * Finds entity by id and returns it.
+     *
+     * @param id id of the entity to look for
+     * @return entity with given id
+     */
+    ENTITY findById(@NonNull String id);
+
+    /**
+     * Finds all entities.
+     *
+     * @return all stored entities
+     */
+    List<ENTITY> findAll();
+
+    /**
+     * Updates entity.
+     *
+     * @param object entity with new values to update
+     * @return updated entity
+     */
+    ENTITY update(@NonNull ENTITY object);
+
+    /**
+     * Deletes given entity.
+     *
+     * @param object entity to delete
+     */
+    void delete(@NonNull ENTITY object);
+}
diff --git a/src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainServiceImpl.java b/src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainServiceImpl.java
new file mode 100644
index 0000000..30de343
--- /dev/null
+++ b/src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainServiceImpl.java
@@ -0,0 +1,46 @@
+package cz.fi.muni.pa165.flea.market.manager.domain;
+
+import lombok.NonNull;
+
+import java.util.List;
+
+/**
+ * Implementation of {@link DomainService}
+ *
+ * @param <ENTITY> entity for the service
+ *
+ * @author Michal Cizek
+ */
+public abstract class DomainServiceImpl<ENTITY extends DomainEntity> implements DomainService<ENTITY> {
+
+    protected final DomainDao<ENTITY> dao;
+
+    public DomainServiceImpl(DomainDao<ENTITY> dao) {
+        this.dao = dao;
+    }
+
+    @Override
+    public ENTITY create(@NonNull ENTITY object) {
+        return dao.create(object);
+    }
+
+    @Override
+    public ENTITY findById(@NonNull String id) {
+        return dao.findById(id);
+    }
+
+    @Override
+    public List<ENTITY> findAll() {
+        return dao.findAll();
+    }
+
+    @Override
+    public ENTITY update(@NonNull ENTITY object) {
+        return dao.update(object);
+    }
+
+    @Override
+    public void delete(@NonNull ENTITY object) {
+        dao.delete(object);
+    }
+}
-- 
GitLab


From 7bf8421b8e4f71bd5bef9066310feda94d3e6dd6 Mon Sep 17 00:00:00 2001
From: cizek <cizek@inqool.cz>
Date: Sat, 16 Apr 2022 17:43:43 +0200
Subject: [PATCH 2/2] added java doc

---
 .../muni/pa165/flea/market/manager/domain/DomainService.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainService.java b/src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainService.java
index 96f9215..9376c42 100644
--- a/src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainService.java
+++ b/src/main/java/cz/fi/muni/pa165/flea/market/manager/domain/DomainService.java
@@ -17,6 +17,7 @@ public interface DomainService<ENTITY extends DomainEntity> {
      *
      * @param object entity to store in database
      * @return created entity
+     * @throws NullPointerException if given object is null
      */
     ENTITY create(@NonNull ENTITY object);
 
@@ -25,6 +26,7 @@ public interface DomainService<ENTITY extends DomainEntity> {
      *
      * @param id id of the entity to look for
      * @return entity with given id
+     * @throws NullPointerException if given id is null
      */
     ENTITY findById(@NonNull String id);
 
@@ -40,6 +42,7 @@ public interface DomainService<ENTITY extends DomainEntity> {
      *
      * @param object entity with new values to update
      * @return updated entity
+     * @throws NullPointerException if given object is null
      */
     ENTITY update(@NonNull ENTITY object);
 
@@ -47,6 +50,7 @@ public interface DomainService<ENTITY extends DomainEntity> {
      * Deletes given entity.
      *
      * @param object entity to delete
+     * @throws NullPointerException if given object is null
      */
     void delete(@NonNull ENTITY object);
 }
-- 
GitLab