Adding Chapter 10 MVC Example

Author: dineshonjava

.metadata/.log

@@ -0,0 +1,38 @@
+package com.packt.patterninspring.chapter9.bankapp.service;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.annotation.CachePut;
+import org.springframework.cache.annotation.Cacheable;
+import org.springframework.stereotype.Service;
+
+import com.packt.patterninspring.chapter9.bankapp.model.Account;
+import com.packt.patterninspring.chapter9.bankapp.repository.AccountRepository;
+
+/**
+ * @author Dinesh.Rajput
+ *
+ */
+@Service
+public class AccountServiceImpl implements AccountService{
+	
+	@Autowired
+	AccountRepository accountRepository;
+
+	@Override
+	@Cacheable("accountCache")
+	public Account findOne(Long id) {
+		return accountRepository.findAccountById(id);
+	}
+
+	@Override
+	@CachePut("accountCache")
+	public Long save(Account account) {
+		return accountRepository.save(account);
+	}
+
+	@Override
+	public void remove(Long id) {
+		accountRepository.findAccountById(id);
+	}
+	
+}

.metadata/.plugins/org.eclipse.core.resources/.history/11/10e85efe397d00171f4ea699c230d058

@@ -0,0 +1,21 @@
+/**
+ * 
+ */
+package com.doj.webapp.repository;
+
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.CrudRepository;
+
+import com.packt.patterninspring.chapter10.bankapp.model.Account;
+
+/**
+ * @author Dinesh.Rajput
+ *
+ */
+public interface AccountRepository extends CrudRepository<Account, Long>{
+	
+	Account findAccountByName(String name);
+	
+	@Query("FROM Account where id=?1")
+	Account readRecord(Long id);
+}

.metadata/.plugins/org.eclipse.core.resources/.history/12/104f87485e7f001711e3ac66de3dbb76

@@ -0,0 +1,35 @@
+/**
+ * 
+ */
+package com.packt.patterninspring.chapter10.bankapp.web.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+import com.doj.webapp.model.User;
+
+/**
+ * @author Dinesh.Rajput
+ *
+ */
+@Controller
+public class HomeController {
+	
+	@RequestMapping("/")
+	public String home (){
+		return "home";
+	}
+	
+	@RequestMapping(value = "/create", method = RequestMethod.GET)
+	public String create (){
+		return "addUser";
+	}
+	
+	@RequestMapping(value = "/create", method = RequestMethod.POST)
+	public String saveUser (User user, ModelMap model){
+		model.put("user", user);
+		return "addUser";
+	}
+}

.metadata/.plugins/org.eclipse.core.resources/.history/12/d0dae6a65e7f001711e3ac66de3dbb76

@@ -0,0 +1,41 @@
+package com.packt.patterninspring.chapter10.bankapp.service;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.annotation.CacheEvict;
+import org.springframework.cache.annotation.CachePut;
+import org.springframework.cache.annotation.Cacheable;
+import org.springframework.stereotype.Service;
+
+import com.packt.patterninspring.chapter10.bankapp.model.Account;
+import com.packt.patterninspring.chapter10.bankapp.repository.AccountRepository;
+
+/**
+ * @author Dinesh.Rajput
+ *
+ */
+@Service
+public class AccountServiceImpl implements AccountService{
+	
+	@Autowired
+	AccountRepository accountRepository;
+
+	@Override
+	@Cacheable("accountCache")
+	public Account findOne(Long id) {
+		System.out.println("findOne called");
+		return accountRepository.findOne(id);
+	}
+
+	@Override
+	@CachePut("accountCache")
+	public Long save(Account account) {
+		return accountRepository.save(account);
+	}
+
+	@Override
+	@CacheEvict("accountCache")
+	public void remove(Long id) {
+		accountRepository.findAccountById(id);
+	}
+	
+}

.metadata/.plugins/org.eclipse.core.resources/.history/15/50bde6715e7f001711e3ac66de3dbb76

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:context="http://www.springframework.org/schema/context"
+	xmlns:aop="http://www.springframework.org/schema/aop"
+	xmlns:cache="http://www.springframework.org/schema/cache"
+	xsi:schemaLocation="http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache-4.3.xsd
+		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
+		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd">
+	
+	<!-- Enable caching -->
+ 	<cache:annotation-driven />
+	
+	<context:component-scan base-package="com.packt.patterninspring.chapter9.bankapp"/>
+	
+	<cache:advice id="cacheAdvice">
+		<cache:caching>
+			<cache:cacheable cache="spittleCache" method="findRecent" />
+			<cache:cacheable cache="spittleCache" method="findOne" />
+			<cache:cacheable cache="spittleCache" method="findBySpitterId" />
+			<cache:cache-put cache="spittleCache" method="save" key="#result.id" />
+			<cache:cache-evict cache="spittleCache" method="remove" />
+		</cache:caching>
+	</cache:advice>
+
+	<!-- Declare a cache manager -->
+	<bean id="cacheManager" class="org.springframework.cache.concurrent.ConcurrentMapCacheManager" />
+</beans>

.metadata/.plugins/org.eclipse.core.resources/.history/15/80205700387d00171f4ea699c230d058

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:context="http://www.springframework.org/schema/context"
+	xmlns:aop="http://www.springframework.org/schema/aop"
+	xmlns:cache="http://www.springframework.org/schema/cache"
+	xsi:schemaLocation="http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache-4.3.xsd
+		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
+		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd">
+	
+	<aop:config>
+		<aop:advisor advice-ref="cacheAdvice" pointcut="execution(* com.packt.patterninspring.chapter9.bankapp.service.*(..))"/>
+	</aop:config>
+	
+	<cache:advice id="cacheAdvice">
+		<cache:caching>
+			<cache:cacheable cache="accountCache" method="findRecent" />
+			<cache:cacheable cache="accountCache" method="findOne" />
+			<cache:cacheable cache="accountCache" method="findBySpitterId" />
+			<cache:cache-put cache="accountCache" method="save" key="#result.id" />
+			<cache:cache-evict cache="accountCache" method="remove" />
+		</cache:caching>
+	</cache:advice>
+
+	<!-- Declare a cache manager -->
+	<bean id="cacheManager" class="org.springframework.cache.concurrent.ConcurrentMapCacheManager" />
+</beans>

.metadata/.plugins/org.eclipse.core.resources/.history/1b/00877569387d00171f4ea699c230d058

@@ -0,0 +1,60 @@
+/**
+ * 
+ */
+package com.doj.webapp.service;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.doj.webapp.repository.TransferRepository;
+import com.packt.patterninspring.chapter10.bankapp.model.Account;
+import com.packt.patterninspring.chapter10.bankapp.repository.AccountRepository;
+
+/**
+ * @author Dinesh.Rajput
+ *
+ */
+@Service
+public class TransferServiceImpl implements TransferService{
+	//1. always resolve dependency by type if failure then its try with by property name
+	@Autowired 
+	AccountRepository accountRepository;
+	
+	TransferRepository transferRepository;
+	//As of Spring 4.3 if any class has single argument constructor then no need too define dependency definition to container
+	//autowired always resolve dependency by type
+	/*@Autowired 
+	public TransferServiceImpl(@Qualifier("jpaAccountRepository") AccountRepository accountRepository) {
+		super();
+		this.accountRepository = accountRepository;
+	}*/
+	
+	@Override
+	@Transactional //Demarcation
+	public void transfer(Long amount, Long a, Long b){
+		Account accountA = accountRepository.findOne(a);//update 1-OK//rollback//connect
+		Account accountB = accountRepository.findOne(b);////update 2//rollback//connect//close
+		//transferRepository.tranfer(amount, accountB); ////update 3-Not OK-
+		Account account =  new Account(4000l);
+		account.setBalance(5000l);
+		account.setName("Sri");
+		accountRepository.save(account);
+		System.out.println(accountRepository.findAccountByName("Dinesh"));
+		System.out.println(accountRepository.findAll());
+		System.out.println("Amount has been transfered from "+accountA +" to "+accountB);
+		System.out.println(accountRepository.readRecord(2000l));
+	}
+
+	@Override
+	public Account open(Account account) {
+		return account = accountRepository.save(account);
+	}
+
+	@Override
+	public List<Account> findAllAccounts() {
+		return (List<Account>) accountRepository.findAll();
+	}
+}