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3 日本オラクル株式会社 Fusion Middleware 事業統轄本部 Java エバンジェリスト寺田佳央 Java Day Tokyo 年年 4 月 8 日

4 以下の事項は弊社の一般的な製品の方向性に関する概要を説明するものですまた情報提供を唯一の目的とするものでありいかなる契約にも組み込むことはできません以下の事項はマテリアルやコード機能を提供することをコミットメント ( 確約 ) するものではないため購買決定を行行う際の判断材料料になさらないで下さいオラクル製品に関して記載されている機能の開発リリースおよび時期については弊社の裁量量により決定されます Oracle と Java は Oracle Corpora@on 及びその子会社関連会社の米国及びその他の国における登録商標です文中の社名商品名等は各社の商標または登録商標である場合があります Oracle Confiden@al 4

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7 JPE 1.0 J2EE 1.2 J2EE 1.3 J2EE 1.4 Java EE 5 Java EE 6 Java EE 年 5 月 2009 年 12 月 2013 年 5 月

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10 WebSocket 1.0 JAX- RS 2.0 JSF 2.2 JSP 2.3 /JSTL JSON- P 1.0 EL 3.0 Servlet 3.1 DI 1.0 / CDI 1.1 / EJB 3.2 JTA 1.2 JCA 1.7 JPA 2.1 JMS 2.0 Batch 1.0 JavaMail 1.5 Bean ValidaOon 1.1 Managed Bean 1.0 Common AnnotaOon 1.2 Interceptors 1.2 Concurrency UOl for EE

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今日お話をする所ロジック実装部ビュー関連処理ビジネスロジックデータアクセス DB ロジック Queue

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16 Resource Resources PostConstruct PreDestroy RunAs DeclareRoles RolesAllowed PermitAll DenyAll ManagedBean DataSourceDefiniOon DataSourceDefiniOons Priority 16

17 JSF Managed Bean CDI EJB JSR- 316 Managed Bean 17

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20 ic = new Ini@alContext(); ManagedExecutorService managedexecsvc = (ManagedExecutorService ) ic.lookup (" java:comp/defaultmanagedexecutorservice"); mangedexecsvc.submit(() - > System.out.println( New Thread )); 20

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22 @Resource(name = concurrent/defaultmanagedexecutorservice") ManagedExecutorService mangedexecsvc; public void foo(){ mangedexecsvc.submit(() - > System.out.println( New Thread )); 22

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24 @Resource 24

26 public class Foo() = concurrent/defaultmanagedexecutorservice") ManagedExecutorService mangedexecsvc; public Foo(){ mangedexecsvc.submit(() - > System.out.println( Init something )); java.lang.nullpointerexcepoon 26

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28 public class Foo() = concurrent/defaultmanagedexecutorservice") ManagedExecutorService public void init (){ mangedexecsvc.submit(() - > System.out.println( Init something )); 28

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35 Java EE 5 Java EE 6 (EJB @AroundTimeout Java EE 7 (EJB 3.1 : Maintenance Release) 35

37 public void executesomemethod1 () { long start = System.currentTimeMillis(); // ビジネスロジックの実装 long end = System.currentTimeMillis(); long Ome = end - start; logger.log(level.debug, + Ome); 37

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39 public class SomeLogic public void executesomemethod1 () { 39

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42 @Inherited ElementType.METHOD) MySimpleProfilerInterceptor { 42

43 @Priority(Interceptor.Priority.APPLICATION public class MyInterceptor public Object calcexectime (InvocaOonContext ic) throws Excep@on { // この部分に実装コードを記述 43

44 @AroundInvoke public Object calcexectime (InvocaOonContext ic) throws ExcepOon { long start = System.currentTimeMillis(); try { return ic.proceed(); // オリジナルの呼び出し catch (Excep@on e) { throw e; finally { long end = System.currentTimeMillis(); long Ome = end - start ; String classname = ic.gettarget().getclass().getsuperclass().getname(); String methodname = ic.getmethod().getname() ; logger.log(level.info, "{0#{1 took {2 (ms)", new Object[]{ classname, methodname, Ome ); 44

45 @MySimpleProfilerInterceptor public void executesomemethod() { // do Something 情報 : jp.co.oracle.cdis.homepage#executesomemethod took 300 (ms) 45

46 @MyIntecepto 46

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51 public class Person { private String name; private String jpzipcode; public String dosomething() { if (name == null name.equals("")) { validaoonfailed();; if (jpzipcode == null jpzipcode.equals("")) { validaoonfailed();; Pajern pajern = Pajern.compile("^\\d{3- \\d{4$"); Matcher matcher = pajern.matcher(jpzipcode); if (!matcher.find()){validaoonfailed(); 51

52 public class Person { private String name; private String jpzipcode; public String dosomething() { if (name == null name.equals("")) { validaoonfailed();; if (jpzipcode == null jpzipcode.equals("")) { validaoonfailed();; Pajern pajern = Pajern.compile("^\\d{3- \\d{4$"); Matcher matcher = pajern.matcher(jpzipcode); if (!matcher.find()){validaoonfailed(); 52

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54 public class private @Pajern("^\\d{3- \\d{4$") private String jpzipcode; public String dosomething() { 54

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60 public class PersonDAOFromCSV implements PersonDAO { public List<Person> getpersons() throws IOExcepOon{ FileSystem fs = FileSystems.getDefault(); Path file = fs.getpath("/tmp/listperson.csv"); return Files.newBufferedReader(file).lines().map(str - > { String[] array = str.split(","); Person person = new Person(); person.setname(array[0]); person.setage(integer.parseint(array[1])); return person; ).collect(collectors.tolist()); 60

61 public class PersonController { public void listpersonname() throws IOExcep@on { // ある Person の DAO からデータ取得 PersonDAO persondao = new PersonDAOFromCSV(); List<Person> persons = persondao.getpersons(); persons.foreach(person - > System.out.println(person.getName())); new Factory Abstract Factory Service Locator 61

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63 public class PersonController PersonDAO persondao ; public void listpersonname() throws IOExcep@on { List<Person> persons = persondao.getpersons(); persons.foreach(person - > System.out.println(person.getName())); new - > Factory - > Abstract Factory - > Service Locator 63

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65 PersonController new PersonDAO() PersonDAO PersonDAO PersonDAO dao.getpersons() dao.getpersons() 65

67 public interface Service { public void dosomething (); public class DukeService implements Service public void dosomething () { // 何らかの処理理 System.out.println( Duke Service ); public class DuchessService implements Service public void dosomething () { // 何らかの処理理 System.out.println( Duchess Service ); 67

public class Foo { @Inject private Service service; OR?

68 public class Foo private Service service; OR??? public void execservice(){ service.dosomething(); 68

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70 Service service1; public Service service2; public void service2.dosomething(); 70

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73 @Dependent ElementType.TYPE, ElementType.METHOD, ElementType.PARAMETER) DukeQualifier { 73

74 @DukeQualifier public class DukeServiceImpl implements Service public void dosomething() { System.out.println("Duke Service"); 74

75 Service service1; public void service1.dosomething(); 75

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78 public interface Service { public void dosomething public class DukeService implements public void dosomething () { // 何らかの処理理 System.out.println( Duke ElementType.TYPE, ElementType.METHOD, ElementType.PARAMETER) DukeQualifier { 78

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80 public class private final Service service; public void execservice(){ service.dosomething(); 80

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82 @Dependent public class Foo { private final Service public Foo(@DukeQualifier Service service) { this.service = service; public void execservice(){ service.dosomething(); 82

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86 public interface Service { public void @MySQL 86

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88 public interface Service { public void dosomething duke ) public class DukeService implements public void dosomething () { // 何らかの処理理 System.out.println( Duke Service ); 88

89 public interface Service { public void dosomething duke ) public class DukeService implements public void dosomething () { // 何らかの処理理 System.out.println( Duke duke ) Service service1; public void execmul@pleservice(){ service1.dosomething(); 89

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92 public interface Service { public void dosomething duke ) public class DukeService implements public void dosomething () { // 何らかの処理理 System.out.println( Duke duke ) Service service1; public void execmul@pleservice(){ service1.dosomething(); 92

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97 DI/CDI Managed EJB 97

98 CDI EJB 16:15-17:05 98

99 javax.decorator javax.enterprise.context javax.enterprise.event javax.enterprise.inject javax.enterprise.uol 99

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103 <?xml version="1.0" encoding="utf- 8"?> <beans xmlns="hup://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="hup:// instance" hup://xmlns.jcp.org/xml/ns/javaee/beans_1_1.xsd" bean- discovery- mode="all"> </beans> It is strongly recommended you use "annotated 103

104 Java Class Java Class Java Class Java Class Java Class Java Class Java Class Java Class Java Class Java Class Java Class CDI Container 104

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106 @Interceptor UnsaOsfied dependencies for type NGClass with 106

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108 Contextual Reference Proxy CDI Container 108

109 @Inject SomeManagedBean bean; CDI Container Contextual Reference Proxy 109

110 javax.enterprise.inject.spi.bean Qualifiers Scope Stereotypes Type AlternaOve 110

111 Contextual Reference CDI Managed Bean Bean Proxy UserTransacOon Principal Validator ValidatorFactory HjpServletRequest HjpSession ServletContext CDI Container 111

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114 15:10-16:00 114

115 javax.inject.singleton? javax.enterprise.context.applicaoonscoped? 115

116 @javax.inject.singleton public class DukeCounter { private int counter; public int getcounter() { return Managed Bean 116

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118 @javax.enterprise.context.applicaoonscoped public class DukeCounter implements Serializable { private int counter; public int getcounter() { return counter++; 118

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120 Contextual Reference CDI Container 120

121 @SessionScoped public class CounterHoldInSession implements DukeCounter singleton; 121

123 public interface Service { public void dosomething (); public class DukeSvc implements Service public void dosomething () { // 何らかの処理理 System.out.println( Duke Service ); DukeAlpha DukeBeta DukeProd 123

124 public interface DataAccessService { public List<Persion> getdata (); class implements DataAccessService public List<Person> getdata () { // テスト DB からデータ取得 class implements DataAccessService public List<Person> getdata () { // 本番 DB からの実データ取得 124

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127 public class DukeAlpha public class DukeBeta implements Service{ 127

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129 public class DukeAlpha public class DukeBeta implements Service{ 129

130 public class DukeAlpha implements Service{ <beans> public class DukeBeta implements Service{ 130

131 @Dependend Priority.APPLICATION + 10) public class DukeAlpha @Priority(Interceptor. Priority.APPLICATION + 20) public class DukeBeta implements Service{ 131

132 @Inject Service @Priority(Interceptor. Priority.APPLICATION + 20) public class DukeBeta implements Service{ 132

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134 @Inject service public class DukeServiceWithQualifier implements Service 134

135 @Inject public class SpecializedDuke extends DukeServiceWithQualifier public void dosomething() { 135

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138 @Stateless public class SomeLogic1 { PersitenceContext (unitname= ORACLE_PU ) EnOtyManager public void dosomething () { // 何らかの処理理 System.out.println( Duke Service ); public class SomeLogic2 { PersitenceContext (unitname= MYSQL_PU ) EnOtyManager public void dosomething () { // 何らかの処理理 System.out.println( Duke Service ); EJB 138

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141 DatabaseList.Oracle) DatabaseList.MySQL) EnOtyManager em; 141

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144 public enum DatabaseList { Oracle, MySQL, PostgreSQL 144

145 @Dependent ElementType.TYPE, ElementType.METHOD, ElementType.PARAMETER) DatabaseQualifier { DatabaseList value() default DatabaseList.Oracle ; 145

146 @Dependent public class = = "ORACLE_PU") private En@tyManager = = "MySQL_PU") private En@tyManager emmysql; 146

147 public class DatabaseList.MySQL) EnOtyManager em; value public List<Person> getpersons(){ em.createquery(..); Oracle 147

149 @TransacOonal public class IndexPage public void dosomething () { // 何らかの処理理 System.out.println( Duke public class public class public class UserComplPage { 149

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151 @MyReqestedScopeStereotype public class IndexPage public void dosomething () { // 何らかの処理理 System.out.println( Duke Service Stereotype public class UserRegPage estereotype public class UserConfirmPage estereotype public class UserComplPage { 151

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153 @Target(TYPE) MyReqestedScopeStereotype { 153

154 @TransacOonal public class IndexPage public void dosomething () { // 何らかの処理理 System.out.println( Duke Service public class IndexPage public void dosomething () { // 何らかの処理理 System.out.println( Duke Service ); 154

155 public class IndexPage public void dosomething () { // 何らかの処理理 System.out.println( Duke Service public class IndexPage public void dosomething () { // 何らかの処理理 System.out.println( Duke Service ); 155

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Contexts&Dependency Injection 問題 #13 : イベント処理 Observer パターンの適用

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159 = userreg") public class UserRegistra@onPage Event<Mail> mailevent; public void execuserregistra@on() { // ユーザ登録処理理が完了了 mailevent.fire(new Mail(mailaddredd, name, message)); 159

160 public class MailEventHandler = "mail/mymailsession") Session mailsession; public void receiveevent(@observes Mail mailevent) { sendmessage(mailevent); 160

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162 public class MailEventHandler = "mail/mymailsession") Session mailsession; public void receiveevent(@observes Mail mailevent) { sendmessage(mailevent); 162

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164 @Stateless public class MailEventDispatcherBean Event<Mail> public void produceevent(final Mail message) { // ユーザ登録処理理が完了了 mailevent.fire(message); 164

165 @javax.ejb.singleton public class public void consumeevent(@observes Mail message) throws InterruptedExcep@on { // 何か重い処理理 165

166 = userreg") public class UserRegistra@onPage MailEventDispatcherBean dispather; public void execuserregistra@on() { // ユーザ登録処理理が完了了 dispather.produceevent(new Mail(mailaddredd, name, message)); 166

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Make the Future Java FY13 PPT Template

Make the Future Java FY13 PPT Template Yoshio Terada Java Evangelist http://yoshio3.com, Twitter : @yoshioterada 1 以下の事項は弊社の一般的な製品の方向性に関する概要を説明するものですまた情報提供を唯一の目的とするものでありいかなる契約にも組み込むことはできません以下の事項はマテリアルやコード機能を提供することをコミットメント ( 確約 ) するものではないため