diff --git a/banking-server/.idea/.gitignore b/banking-server/.idea/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..26d33521af10bcc7fd8cea344038eaaeb78d0ef5
--- /dev/null
+++ b/banking-server/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/banking-server/.idea/compiler.xml b/banking-server/.idea/compiler.xml
new file mode 100644
index 0000000000000000000000000000000000000000..1e78cc9ce0775fa751b7c9ccd7da8294958c203e
--- /dev/null
+++ b/banking-server/.idea/compiler.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="CompilerConfiguration">
+ <annotationProcessing>
+ <profile name="Maven default annotation processors profile" enabled="true">
+ <sourceOutputDir name="target/generated-sources/annotations" />
+ <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+ <outputRelativeToContentRoot value="true" />
+ <module name="banking-server" />
+ </profile>
+ </annotationProcessing>
+ </component>
+</project>
\ No newline at end of file
diff --git a/banking-server/.idea/jarRepositories.xml b/banking-server/.idea/jarRepositories.xml
new file mode 100644
index 0000000000000000000000000000000000000000..712ab9d985c20018a0c97b93d2148ac1ffe588a5
--- /dev/null
+++ b/banking-server/.idea/jarRepositories.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="RemoteRepositoriesConfiguration">
+ <remote-repository>
+ <option name="id" value="central" />
+ <option name="name" value="Central Repository" />
+ <option name="url" value="https://repo.maven.apache.org/maven2" />
+ </remote-repository>
+ <remote-repository>
+ <option name="id" value="central" />
+ <option name="name" value="Maven Central repository" />
+ <option name="url" value="https://repo1.maven.org/maven2" />
+ </remote-repository>
+ <remote-repository>
+ <option name="id" value="jboss.community" />
+ <option name="name" value="JBoss Community repository" />
+ <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+ </remote-repository>
+ </component>
+</project>
\ No newline at end of file
diff --git a/banking-server/.idea/misc.xml b/banking-server/.idea/misc.xml
new file mode 100644
index 0000000000000000000000000000000000000000..82dbec8ad28463aed32007a93ffc07865ae98968
--- /dev/null
+++ b/banking-server/.idea/misc.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="ExternalStorageConfigurationManager" enabled="true" />
+ <component name="MavenProjectsManager">
+ <option name="originalFiles">
+ <list>
+ <option value="$PROJECT_DIR$/pom.xml" />
+ </list>
+ </option>
+ </component>
+ <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
+ <output url="file://$PROJECT_DIR$/out" />
+ </component>
+</project>
\ No newline at end of file
diff --git a/banking-server/.idea/vcs.xml b/banking-server/.idea/vcs.xml
new file mode 100644
index 0000000000000000000000000000000000000000..6c0b8635858dc7ad44b93df54b762707ce49eefc
--- /dev/null
+++ b/banking-server/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="VcsDirectoryMappings">
+ <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+ </component>
+</project>
\ No newline at end of file
diff --git a/banking-server/pom.xml b/banking-server/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..24fae7265aee1c22e3135dbfa626824d5ed60414
--- /dev/null
+++ b/banking-server/pom.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <groupId>org.example</groupId>
+ <artifactId>banking-server</artifactId>
+ <version>1.0-SNAPSHOT</version>
+
+ <properties>
+ <maven.compiler.source>17</maven.compiler.source>
+ <maven.compiler.target>17</maven.compiler.target>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.projectlombok</groupId>
+ <artifactId>lombok</artifactId>
+ <version>1.18.24</version>
+ <scope>provided</scope>
+ </dependency>
+ </dependencies>
+</project>
\ No newline at end of file
diff --git a/banking-server/src/main/java/ufrn/imd/BankingServerApp.java b/banking-server/src/main/java/ufrn/imd/BankingServerApp.java
new file mode 100644
index 0000000000000000000000000000000000000000..4fed7390ea3b7b3ab9901b8f402f99065adf9142
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/BankingServerApp.java
@@ -0,0 +1,26 @@
+package ufrn.imd;
+
+import ufrn.imd.controller.Controller;
+import ufrn.imd.controller.impl.BalanceControllerImpl;
+import ufrn.imd.controller.impl.DepositControllerImpl;
+import ufrn.imd.service.BalanceService;
+import ufrn.imd.service.DepositService;
+import ufrn.imd.service.impl.BalanceServiceImpl;
+import ufrn.imd.service.impl.DepositServiceImpl;
+
+import java.net.MalformedURLException;
+import java.rmi.AlreadyBoundException;
+import java.rmi.RemoteException;
+
+public class BankingServerApp {
+ public static void main(String[] args) throws RemoteException, MalformedURLException, AlreadyBoundException {
+
+ DepositService depositService = new DepositServiceImpl();
+ BalanceService balanceService = new BalanceServiceImpl();
+
+ Controller depositController = new DepositControllerImpl(depositService);
+ Controller balanceController = new BalanceControllerImpl(balanceService);
+
+
+ }
+}
diff --git a/banking-server/src/main/java/ufrn/imd/controller/Controller.java b/banking-server/src/main/java/ufrn/imd/controller/Controller.java
new file mode 100644
index 0000000000000000000000000000000000000000..824205a78effedd521e934e17809e5bfcc593a71
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/controller/Controller.java
@@ -0,0 +1,11 @@
+package ufrn.imd.controller;
+
+import ufrn.imd.domain.Client;
+
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+public interface Controller extends Remote {
+ public void registerClient(Client client) throws RemoteException;
+
+}
diff --git a/banking-server/src/main/java/ufrn/imd/controller/impl/BalanceControllerImpl.java b/banking-server/src/main/java/ufrn/imd/controller/impl/BalanceControllerImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..dc21b11936e60d061398e839a9db450efbc06a09
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/controller/impl/BalanceControllerImpl.java
@@ -0,0 +1,95 @@
+package ufrn.imd.controller.impl;
+
+import ufrn.imd.controller.Controller;
+import ufrn.imd.domain.Client;
+import ufrn.imd.service.BalanceService;
+import ufrn.imd.service.impl.BalanceServiceImpl;
+import ufrn.imd.utils.Log;
+
+import java.net.MalformedURLException;
+import java.rmi.AlreadyBoundException;
+import java.rmi.Naming;
+import java.rmi.RemoteException;
+import java.rmi.registry.LocateRegistry;
+import java.rmi.server.UnicastRemoteObject;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+import static ufrn.imd.utils.NameSpace.HOST_BALANCE_SERVICE;
+import static ufrn.imd.utils.NameSpace.PORT_BALANCE_SERVICE;
+
+public class BalanceControllerImpl extends UnicastRemoteObject implements Controller {
+
+ private volatile List<Client> clients = new ArrayList<>();
+
+ public BalanceControllerImpl(BalanceService service) throws RemoteException, MalformedURLException, AlreadyBoundException {
+ super();
+ Log.info(BalanceServiceImpl.class, "Starting Deposit service!");
+
+ new Notify(service).start();
+
+ Log.info(BalanceServiceImpl.class,
+ String.format("Initializing server in %s", HOST_BALANCE_SERVICE));
+
+ LocateRegistry.createRegistry(PORT_BALANCE_SERVICE);
+
+ Naming.bind(HOST_BALANCE_SERVICE, this);
+ }
+
+ @Override
+ public void registerClient(Client client) throws RemoteException {
+ clients.add(client);
+ Log.info(BalanceService.class, "new client registred");
+ Log.info(BalanceService.class, String.format("total users: %d", clients.size()));
+ }
+
+
+
+
+ private class Notify extends Thread{
+
+ private final BalanceService service;
+
+ public Notify(BalanceService service) {
+ super();
+ this.service = service;
+ }
+ public void run() {
+
+ for(;;) {
+ if(clients.size() > 0) {
+
+ Log.info(
+ BalanceService.class,
+ "notyfing the clients!"
+ );
+ int i = 0;
+ for (Client client : clients) {
+
+ try {
+ this.service.balance(Optional.of(client.getAccount()));
+
+ } catch (RemoteException e) {
+ e.printStackTrace();
+ }
+ }
+ try {
+ Thread.sleep(15 * 1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ } else {
+ try {
+ Thread.sleep(15 * 1000);
+ } catch (InterruptedException e) {
+ throw new RuntimeException(e);
+ }
+ Log.info(BalanceService.class, "No there's clients!");
+ }
+
+ }
+
+ }
+ }
+}
diff --git a/banking-server/src/main/java/ufrn/imd/controller/impl/DepositControllerImpl.java b/banking-server/src/main/java/ufrn/imd/controller/impl/DepositControllerImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..b84139bb0adcd15f13adc87041a4f413fdf22395
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/controller/impl/DepositControllerImpl.java
@@ -0,0 +1,95 @@
+package ufrn.imd.controller.impl;
+
+import ufrn.imd.controller.Controller;
+import ufrn.imd.domain.Client;
+import ufrn.imd.service.DepositService;
+import ufrn.imd.utils.Log;
+
+import java.net.MalformedURLException;
+import java.rmi.AlreadyBoundException;
+import java.rmi.Naming;
+import java.rmi.RemoteException;
+import java.rmi.registry.LocateRegistry;
+import java.rmi.server.UnicastRemoteObject;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+import static ufrn.imd.utils.NameSpace.HOST_DEPOSIT_SERVICE;
+import static ufrn.imd.utils.NameSpace.PORT_DEPOSIT_SERVICE;
+
+public class DepositControllerImpl extends UnicastRemoteObject implements Controller {
+
+ private volatile List<Client> clients = new ArrayList<>();
+ public DepositControllerImpl(DepositService service) throws RemoteException, MalformedURLException, AlreadyBoundException {
+ super();
+ Log.info(DepositControllerImpl.class, "Starting Deposit service!");
+
+ new Notify(service).start();
+ Log.info(DepositControllerImpl.class,
+ String.format("Initializing server in %s", HOST_DEPOSIT_SERVICE));
+
+ LocateRegistry.createRegistry(PORT_DEPOSIT_SERVICE);
+
+ Naming.bind(HOST_DEPOSIT_SERVICE, this);
+ }
+
+ @Override
+ public void registerClient(Client client) throws RemoteException {
+ clients.add(client);
+ Log.info(DepositControllerImpl.class, "new client registred");
+ Log.info(DepositControllerImpl.class, String.format("total users: %d", clients.size()));
+ }
+
+
+
+
+ private class Notify extends Thread{
+
+ private final DepositService service;
+
+ public Notify(DepositService service) {
+ super();
+ this.service = service;
+ }
+ public void run() {
+
+ for(;;) {
+
+ if(clients.size() > 0) {
+
+ Log.info(
+ DepositControllerImpl.class,
+ "notyfing the clients!"
+ );
+ int i = 0;
+ for (Client client : clients) {
+
+ try {
+ this.service.deposit(200.00, Optional.of(client.getAccount()));
+
+ } catch (RemoteException e) {
+ e.printStackTrace();
+ }
+ }
+ try {
+ Thread.sleep(15 * 1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ } else {
+ try {
+ Thread.sleep(15 * 1000);
+ } catch (InterruptedException e) {
+ throw new RuntimeException(e);
+ }
+ Log.info(DepositControllerImpl.class, "No there's clients!");
+
+
+ }
+
+ }
+
+ }
+ }
+}
diff --git a/banking-server/src/main/java/ufrn/imd/domain/Account.java b/banking-server/src/main/java/ufrn/imd/domain/Account.java
new file mode 100644
index 0000000000000000000000000000000000000000..b800c2b5e40faa5cb6f77e193b481f8cbfef4c63
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/domain/Account.java
@@ -0,0 +1,18 @@
+package ufrn.imd.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+public class Account implements Serializable {
+
+ private static final long serialVersionUID = 2L;
+ private Integer id;
+ private String number;
+ private Double balance;
+}
diff --git a/banking-server/src/main/java/ufrn/imd/domain/Client.java b/banking-server/src/main/java/ufrn/imd/domain/Client.java
new file mode 100644
index 0000000000000000000000000000000000000000..2ce2883a03653dd579c048e503b3b111c1f7b540
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/domain/Client.java
@@ -0,0 +1,22 @@
+package ufrn.imd.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class Client implements Serializable {
+
+ private static final long serialVersionUID = 1L;
+
+ private Integer id;
+
+ private String name;
+
+ private Account account;
+
+}
diff --git a/banking-server/src/main/java/ufrn/imd/repository/Repository.java b/banking-server/src/main/java/ufrn/imd/repository/Repository.java
new file mode 100644
index 0000000000000000000000000000000000000000..636bf2b106b30a65c27fda39b3f13dff1cdba66b
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/repository/Repository.java
@@ -0,0 +1,9 @@
+package ufrn.imd.repository;
+
+import java.util.List;
+
+public interface Repository <T>{
+
+ public T find(Integer id);
+ public List<T> findAll();
+}
diff --git a/banking-server/src/main/java/ufrn/imd/repository/impl/ClientRepository.java b/banking-server/src/main/java/ufrn/imd/repository/impl/ClientRepository.java
new file mode 100644
index 0000000000000000000000000000000000000000..bce53daec4d91cc27933567b4ebe37c7fd72483a
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/repository/impl/ClientRepository.java
@@ -0,0 +1,24 @@
+package ufrn.imd.repository.impl;
+
+import ufrn.imd.domain.Client;
+import ufrn.imd.repository.Repository;
+
+import java.util.List;
+
+public class ClientRepository implements Repository<Client> {
+ List<Client> clients = List.of(
+ new Client(),
+ new Client()
+
+ );
+
+ @Override
+ public Client find(Integer id) {
+ return (Client) clients.stream().filter(c -> c.getId().equals(id));
+ }
+
+ @Override
+ public List<Client> findAll() {
+ return clients;
+ }
+}
diff --git a/banking-server/src/main/java/ufrn/imd/service/BalanceService.java b/banking-server/src/main/java/ufrn/imd/service/BalanceService.java
new file mode 100644
index 0000000000000000000000000000000000000000..b82470c15060014b18ce9c6323ca2a37a5268fee
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/service/BalanceService.java
@@ -0,0 +1,12 @@
+package ufrn.imd.service;
+
+import ufrn.imd.domain.Account;
+
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+import java.util.Optional;
+
+public interface BalanceService extends Remote {
+
+ public void balance(Optional<Account> account) throws RemoteException;
+}
diff --git a/banking-server/src/main/java/ufrn/imd/service/DepositService.java b/banking-server/src/main/java/ufrn/imd/service/DepositService.java
new file mode 100644
index 0000000000000000000000000000000000000000..aab39ac63fd5da6827a9ee113ba692da9902459e
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/service/DepositService.java
@@ -0,0 +1,13 @@
+package ufrn.imd.service;
+
+import ufrn.imd.domain.Account;
+
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+import java.util.Optional;
+
+public interface DepositService extends Remote {
+
+ public void deposit(Double value, Optional<Account> account) throws RemoteException, RuntimeException;
+
+}
diff --git a/banking-server/src/main/java/ufrn/imd/service/WidthawService.java b/banking-server/src/main/java/ufrn/imd/service/WidthawService.java
new file mode 100644
index 0000000000000000000000000000000000000000..8a5ed3baa7ecd8367276729a144c1ff882a35bed
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/service/WidthawService.java
@@ -0,0 +1,12 @@
+package ufrn.imd.service;
+
+import ufrn.imd.domain.Account;
+
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+public interface WidthawService extends Remote {
+
+ public void widthaw(Double value, Account account) throws RemoteException;
+
+}
diff --git a/banking-server/src/main/java/ufrn/imd/service/impl/BalanceServiceImpl.java b/banking-server/src/main/java/ufrn/imd/service/impl/BalanceServiceImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..85bb341088b94f1575ef1d3ff09d42828a4f8a05
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/service/impl/BalanceServiceImpl.java
@@ -0,0 +1,22 @@
+package ufrn.imd.service.impl;
+
+import ufrn.imd.domain.Account;
+import ufrn.imd.service.BalanceService;
+import ufrn.imd.utils.Log;
+
+import java.rmi.RemoteException;
+import java.util.Optional;
+
+public class BalanceServiceImpl implements BalanceService {
+
+
+ @Override
+ public void balance(Optional<Account> accOP) throws RemoteException {
+ Account account = accOP.orElseThrow(() -> new RuntimeException("Invalid account"));
+ Log.info(
+ BalanceServiceImpl.class,
+ String.format("Account Balance: R$ %f", account.getBalance())
+ );
+
+ }
+}
diff --git a/banking-server/src/main/java/ufrn/imd/service/impl/DepositServiceImpl.java b/banking-server/src/main/java/ufrn/imd/service/impl/DepositServiceImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..1909f69583722458b1c6a10029c86bab6581eb50
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/service/impl/DepositServiceImpl.java
@@ -0,0 +1,23 @@
+package ufrn.imd.service.impl;
+
+import ufrn.imd.domain.Account;
+import ufrn.imd.service.DepositService;
+import ufrn.imd.utils.Log;
+
+import java.rmi.RemoteException;
+import java.util.Optional;
+
+public class DepositServiceImpl implements DepositService {
+
+ public DepositServiceImpl() {
+ super();
+ }
+
+ public void deposit(Double value, Optional<Account> acOp) throws RemoteException, RuntimeException {
+ Account account = acOp.orElseThrow(() -> new RuntimeException("Null User!"));
+ if(account.getBalance() < value) throw new RuntimeException("There's no money!");
+ account.setBalance(account.getBalance() - value);
+ Log.info(DepositServiceImpl.class, "deposit");
+ }
+
+}
diff --git a/banking-server/src/main/java/ufrn/imd/utils/Log.java b/banking-server/src/main/java/ufrn/imd/utils/Log.java
new file mode 100644
index 0000000000000000000000000000000000000000..38d3f87c29c5bba875697400c9d9fecad5cbe99a
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/utils/Log.java
@@ -0,0 +1,10 @@
+package ufrn.imd.utils;
+
+public class Log {
+
+ public static void info(Class path, String text) {
+ System.out.println(
+ String.format("[LOG] %s - %s", path , text)
+ );
+ }
+}
diff --git a/banking-server/src/main/java/ufrn/imd/utils/NameSpace.java b/banking-server/src/main/java/ufrn/imd/utils/NameSpace.java
new file mode 100644
index 0000000000000000000000000000000000000000..bb5d5251a3090f100905b78e8f8fe9d47f290cb1
--- /dev/null
+++ b/banking-server/src/main/java/ufrn/imd/utils/NameSpace.java
@@ -0,0 +1,11 @@
+package ufrn.imd.utils;
+
+public class NameSpace {
+
+ public final static Integer PORT_BALANCE_SERVICE = 1908;
+ public final static Integer PORT_DEPOSIT_SERVICE = 1907;
+ public final static String HOST_DEPOSIT_SERVICE =
+ String.format("rmi://127.0.0.1:%d/%s", PORT_DEPOSIT_SERVICE, "deposit");
+ public final static String HOST_BALANCE_SERVICE =
+ String.format("rmi://127.0.0.1:%d/%s", PORT_BALANCE_SERVICE, "balance");
+}
diff --git a/banking-server/target/classes/ufrn/imd/BankingServerApp.class b/banking-server/target/classes/ufrn/imd/BankingServerApp.class
new file mode 100644
index 0000000000000000000000000000000000000000..e981c23cd377d28abc4078145c4d6009f4c2c7e6
Binary files /dev/null and b/banking-server/target/classes/ufrn/imd/BankingServerApp.class differ
diff --git a/banking-server/target/classes/ufrn/imd/controller/Controller.class b/banking-server/target/classes/ufrn/imd/controller/Controller.class
new file mode 100644
index 0000000000000000000000000000000000000000..4707c271c661d159f8019f881ffc3f31e61a85d3
Binary files /dev/null and b/banking-server/target/classes/ufrn/imd/controller/Controller.class differ
diff --git a/banking-server/target/classes/ufrn/imd/domain/Account.class b/banking-server/target/classes/ufrn/imd/domain/Account.class
new file mode 100644
index 0000000000000000000000000000000000000000..a4b43e01d80f1a91b78f2901d9f2ba08f07e460b
Binary files /dev/null and b/banking-server/target/classes/ufrn/imd/domain/Account.class differ
diff --git a/banking-server/target/classes/ufrn/imd/domain/Client.class b/banking-server/target/classes/ufrn/imd/domain/Client.class
new file mode 100644
index 0000000000000000000000000000000000000000..bb9cd9b4e1c8f13d9f1421b515a67c9eb8a0a2d7
Binary files /dev/null and b/banking-server/target/classes/ufrn/imd/domain/Client.class differ
diff --git a/banking-server/target/classes/ufrn/imd/utils/NameSpace.class b/banking-server/target/classes/ufrn/imd/utils/NameSpace.class
new file mode 100644
index 0000000000000000000000000000000000000000..8e3544457d0587d06e53b5e9bf8eaaace60ff7db
Binary files /dev/null and b/banking-server/target/classes/ufrn/imd/utils/NameSpace.class differ
diff --git a/banking/src/ufrn/imd/repository/Repository.java b/banking/src/ufrn/imd/repository/Repository.java
new file mode 100644
index 0000000000000000000000000000000000000000..a7b91a12159bbe271354734417cea2e75cf9e69e
--- /dev/null
+++ b/banking/src/ufrn/imd/repository/Repository.java
@@ -0,0 +1,2 @@
+package ufrn.imd.repository;public interface Repository {
+}
diff --git a/banking/src/ufrn/imd/repository/impl/ClientRepository.java b/banking/src/ufrn/imd/repository/impl/ClientRepository.java
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index 0000000000000000000000000000000000000000..271350123a335b0e483b47667d4d6b446e0e29c8
--- /dev/null
+++ b/banking/src/ufrn/imd/repository/impl/ClientRepository.java
@@ -0,0 +1,2 @@
+package ufrn.imd.repository.impl;public class ClientRepository {
+}