Added spring-boot sample applications

5 files changed, 134 insertions, 0 deletions

diff --git a/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/Account.java b/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/Account.java
new file mode 100644
index 0000000..b5fe811
--- /dev/null
+++ b/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/Account.java
@@ -0,0 +1,53 @@
+package com.example.spring.bank.account;
+
+import java.math.BigDecimal;
+
+import com.example.spring.bank.customer.Customer;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.ManyToOne;
+
+@Entity
+public class Account {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+	private Long accountNumber;
+    
+	private BigDecimal balance;
+	
+	public Account() {
+		super();
+	}
+
+	public Account(BigDecimal balance) {
+		super();
+		this.balance = balance;
+	}
+
+	@ManyToOne
+	private Customer customer;
+	
+	public Customer getCustomer() {
+		return customer;
+	}
+
+	public void setCustomer(Customer customer) {
+		this.customer = customer;
+	}
+
+	public Long getAccountNumber() {
+		return accountNumber;
+	}
+	public void setAccountNumber(Long accountNumber) {
+		this.accountNumber = accountNumber;
+	}
+	public BigDecimal getBalance() {
+		return balance;
+	}
+	public void setBalance(BigDecimal balance) {
+		this.balance = balance;
+	}
+}
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diff --git a/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountController.java b/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountController.java
new file mode 100644
index 0000000..dc017dd
--- /dev/null
+++ b/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountController.java
@@ -0,0 +1,28 @@
+package com.example.spring.bank.account;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/account")
+public class AccountController {
+
+	@Autowired
+	private AccountManager accountManager;
+	
+	@GetMapping("/{accountNumber}")
+	public Account getAccount(@PathVariable Long accountNumber) {
+		// TODO: Check null returns.
+		Account account = accountManager.findByAccountNumber(accountNumber).get();
+		return account;
+	}
+	
+	@PostMapping("/")
+	public Account createAccount(Account account) {
+		return accountManager.create(account);
+	}
+}
\ No newline at end of file
diff --git a/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountManager.java b/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountManager.java
new file mode 100644
index 0000000..14dfa0c
--- /dev/null
+++ b/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountManager.java
@@ -0,0 +1,13 @@
+package com.example.spring.bank.account;
+
+import java.util.Optional;
+
+public interface AccountManager {
+
+	public Account create(Account account);
+	
+	public Optional<Account> findByAccountNumber(Long accountNumber);
+	public Iterable<Account> findAll();
+	
+	// Other methods
+}
diff --git a/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountManagerImpl.java b/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountManagerImpl.java
new file mode 100644
index 0000000..2227469
--- /dev/null
+++ b/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountManagerImpl.java
@@ -0,0 +1,33 @@
+package com.example.spring.bank.account;
+
+import java.util.Optional;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import jakarta.transaction.Transactional;
+
+@Service
+public class AccountManagerImpl implements AccountManager {
+
+	@Autowired
+	private AccountRepository accountRepository;
+	
+	@Override
+	@Transactional
+	public Account create(Account account) {
+		return accountRepository.save(account);
+	}
+
+	@Override
+	public Optional<Account> findByAccountNumber(Long accountNumber) {
+		return accountRepository.findById(accountNumber);
+	}
+	
+	@Override
+	public Iterable<Account> findAll() {
+		return accountRepository.findAll();
+	}
+	
+	// Other methods
+}
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diff --git a/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountRepository.java b/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountRepository.java
new file mode 100644
index 0000000..086f828
--- /dev/null
+++ b/spring-boot/04-bank-jpa-rest/src/main/java/com/example/spring/bank/account/AccountRepository.java
@@ -0,0 +1,7 @@
+package com.example.spring.bank.account;
+
+import org.springframework.data.repository.ListCrudRepository;
+
+public interface AccountRepository extends ListCrudRepository<Account, Long> {
+	
+}
\ No newline at end of file