1. 程式人生 > >Java Code Examples for javax.persistence.criteria.CriteriaBuilder

Java Code Examples for javax.persistence.criteria.CriteriaBuilder

Java Code Examples for javax.persistence.criteria.Root

The following are top voted examples for showing how to use javax.persistence.criteria.Root. These examples are extracted from open source projects. You can vote up the examples you like and your votes will be used in our system to product more good examples. 

Example 1
Project: arquillian-showcase   File: GameRepository.java View source code 8 votes vote downvote up
publicList<Game> fetchAllFor(Platform platform){CriteriaBuilder criteriaBuilder = em.getCriteriaBuilder();CriteriaQuery<Game> query = criteriaBuilder.createQuery
(Game.class);Root<Game> fromGames = query.from(Game.class);Join<Game,Platform> platformsOfGame = fromGames.join(Game_.supportedPlatforms);Predicate givenPlatfromIsAssigned = criteriaBuilder.equal(platformsOfGame.get(Platform_.name), platform.getName());CriteriaQuery<Game> allGamesForGivenPlatfrom
= query.select(fromGames).where(givenPlatfromIsAssigned);return em.createQuery(allGamesForGivenPlatfrom).getResultList();}
Example 2
Project: eclipselink.runtime   File: CriteriaQueryTestSuite.java View source code 8 votes vote downvote up
publicvoid testEqualsClauseSingleExpressionEmptyExpressionsList(){EntityManager em = createEntityManager();
    beginTransaction(em);try{CriteriaBuilder criteriaBuilder = em.getCriteriaBuilder();CriteriaQuery<Employee> query = criteriaBuilder.createQuery(Employee.class);Root<Employee> employee = query.from(Employee.class);EntityType<Employee> employeeModel = employee.getModel();Predicate predicate = criteriaBuilder.equal(employee.get(employeeModel.getSingularAttribute("firstName",String.class)),"Bob");List<Expression<Boolean>> expressions = predicate.getExpressions();
        assertTrue("An empty list should be returned", expressions.isEmpty());}finally{
        rollbackTransaction(em);
        closeEntityManager(em);}}
Example 3
Project: hibernateuniversity-devoxx   File: UserManager.java View source code 7 votes vote downvote up
@TransactionalpublicList<User> getUsersNamedEmmanuel(){EntityManager em = lazyEM.get();CriteriaBuilder cb = em.getCriteriaBuilder();finalCriteriaQuery<User> query = cb.createQuery(User.class);finalRoot<User> u = query.from(User.class);
	u.fetch(User_.addresses );

	query.select( u ).distinct(true).where( cb.equal( u.get(User_.firstName ),"Emmanuel"));finalTypedQuery<User> typedQuery = em.createQuery( query );
	typedQuery.setFirstResult(0).setMaxResults(20);finalList<User> resultList = typedQuery.getResultList();return  resultList;}
Example 4
Project: hibernateuniversity-devoxx   File: UserManager.java View source code 6 votes vote downvote up
@TransactionalpublicList<User> getUsersFromParis(){EntityManager em = lazyEM.get();CriteriaBuilder cb = em.getCriteriaBuilder();finalCriteriaQuery<User> query = cb.createQuery(User.class);finalRoot<User> u = query.from(User.class);finalSetJoin<User,Address> a = u.join(User_.addresses );
	u.fetch(User_.addresses );

	query.select( u ).distinct(true).where( cb.equal( a
            
           

相關推薦

Java Code Examples for javax.persistence.criteria.CriteriaBuilder

Java Code Examples for javax.persistence.criteria.Root The following are top voted examples for showing how to use javax.persiste

Java Code Examples for com.mongodb.client.gridfs.GridFSBucket

Mongo Java Code Examples for com.mongodb.client.gridfs.GridFSBucket 以下是顯示如何使用com.mongodb.client.gridfs.GridFSBucket的示例。 Exa

Java Code Examples for com.sun.net.httpserver.HttpExchange.getResponseHeaders()

The following are Jave code examples for showing how to use getResponseHeaders() of theclass. You can vote up the examples you like. Your votes wi

記一次部署時報java.lang.NoSuchMethodError:javax.persistence.spi.PersistenceUnitInfo.getValidationMode()Ljavax / persistence / ValidationMode;的解決辦法

樓主在部署war包的時候,本地啟動不報錯,伺服器商報如下問題: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfi

關於java.io.IOException: Server returned HTTP response code: 400 for URL報錯和string.getBytes()字符集

cep amr 單引號 驗證 sco app response spa tin 400 請求出錯:由於語法格式有誤,服務器無法理解此請求總論:這種錯誤應該會有很多原因,這裏指出的是因為字符集編碼的原因導致400,主要代碼:向服務器發送請求傳輸json參數用的是out.wri

resin下發布項目報錯java.lang.NoSuchMethodError: javax.persistence.Table.indexes()[Ljavax/persistence/Index

mage lan 目錄 jar 發布 () chm 項目報錯 ima 我的resin版本為4.0.56; 項目在tomcat下啟動正常,打包在resin下發布時報錯:java.lang.NoSuchMethodError: javax.persistence.Table.i

java.io.IOException: Server returned HTTP response code: 411 for URL: http://upas.d.com/upas/......

最近專案升版本,遇到一些問題,寫出來分享一下: 第一,pom.xml檔案中版本的資訊已經改了,但是在編譯打包的時候,還有以前的版本資訊,觀察Dependency Hierarchy,發現別的包依賴以前的版本資訊,在pom.xml中強行轉化成新版本: 但是改過後,以前的版本資訊還是存在,百思不

java.lang.NoClassDefFoundError: javax/persistence/...

問題:Maven專案在啟動的時候經常會遇到這種情況,除了javax/persistence/...,還有可能是其他的類,但它們的共同特點是,都來自javaee-api-8.0.jar這個包。 原因:在開發的時候Maven依賴包含這個包,但部署的時候沒有部署到WEB-INF/lib目錄下

java.io.IOException: Server returned HTTP response code: 403 for URL: http://www.terracotta.org/kit/

java.io.IOException: Server returned HTTP response code: 403 for URL: http://www.terracotta.org/kit/reflector?pageID=update.properties&kitID=ehcac

java.lang.ClassFormatError javax/persistence/PersistenceException 錯誤解決辦法

ERROR 2018-02-24 15:30:31,470 org.springframework.beans.factory.support.DefaultListableBeanFactory:581 - Destroy method on bean with name

SQL to Java code for Elasticsearch

Elasticsearch雖然定位為Search Engine,但是因其可以持久化資料,很多時候,我們把Elasticsearch當成Database用,但是Elasticsearch不支援SQL,就需要把SQL邏輯轉換成程式碼實現對應的功能。 以下列舉了一些常用的SQL轉換成對應的Java程式碼。 1.

URL編碼問題java.io.IOException: Server returned HTTP response code: 400 for URL: http://

今天搞了段程式碼,在本地跑的好好的,搞到測試伺服器就不行了,上網查了下原來是url編碼的問題: 1.url該編碼的編碼一定要編碼,否則如果存在空格就會報400錯誤,那麼什麼樣的url是該編碼的呢?       . url中有空格等特殊字元的       . URL中有中

Exception in thread "Timer-0" java.lang.SecurityException: SHA1 digest error for javax/mail/internet/AddressException.class

原因是兩個不同版本編譯器所生成的jar包衝突 比如: javamail以前版本的jar為mail.jar,現在版本的jar為mailapi.jar,兩者類是基本一樣的,但是如果同時被引用的話就會出現這樣的錯誤

使用JPA保存對象時報nested exception is javax.persistence.RollbackException: Transaction marked as rollbackOnly錯誤

exce ack exceptio jpa 實現 style 結果 enc 字段 使用JPA保存對象時報nested exception is javax.persistence.RollbackException: Transaction marked as rollba

SQL to Elasticsearch java code

elastics 不支持 sam double group index date days database 把Elasticsearch當成Database用,因為Elasticsearch不支持SQL,就需要把SQL轉換成代碼實現。 1.按某個field group

Java學習之for循環打印菱形練習

ron comment 說明 racket 更新 簡化 ... ets 有趣的 for循環語句是Java程序設計中非常有用的循環語句。一個for循環可以用來重復執行某條語句,直到某個條件得到滿足。在Java 5新增的加強的foreach語法,也非常有用。 1. for語句

<轉>Java循環for, while和do...while

中一 article 必須 ria 方法調用 tty 一個 http date Java循環for, while和do...while 分類:java基礎 (3293) (0) 舉報 收藏 可能存在一種情況,當我們需要執行的代碼塊數次,並且通常被稱為一個循環。

Caused by: java.lang.NumberFormatException: For input string: &quot;&quot;

ble dynamic reads pri cor auth erb encoding sed 1、錯誤描寫敘述java.lang.NumberFormatException: For input string: "" at java.lang.N

Java Code Template

ren ret insert contex types pack row lds setter 設置註釋模板的入口:Window->Preference->Java->Code Style->Code Template 然後展開Comments節點就

java.lang.NumberFormatException: For input string: "title"異常

net proto wrap dispatch jsp servle javax catalina thread java.lang.NumberFormatException: For input string: "title" at java.lang.Numbe