Examples of com.avaje.ebean.EbeanServer

com.avaje.ebean.EbeanServer
access to the Human Resources EbeanServer/Database EbeanServer hrServer = Ebean.getServer("HR"); // fetch contact 3 from the HR database Contact contact = hrServer.find(Contact.class, new Integer(3)); contact.setStatus("INACTIVE"); ... // save the contact back to the HR database hrServer.save(contact);
EbeanServer has more API than Ebean
EbeanServer provides additional API compared with Ebean. For example it provides more control over the use of Transactions that is not available in the Ebean API.

External Transactions: If you wanted to use transactions created externally to eBean then EbeanServer provides additional methods where you can explicitly pass a transaction (that can be created externally).

Bypass ThreadLocal Mechanism: If you want to bypass the built in ThreadLocal transaction management you can use the createTransaction() method. Example: a single thread requires more than one transaction.
@see Ebean @see EbeanServerFactory @see ServerConfig

  /**
   * Create a ScopeTrans for a given methods TxScope.
   */
  public static ScopeTrans createScopeTrans(TxScope txScope) {
    
    EbeanServer server = Ebean.getServer(txScope.getServerName());
    SpiEbeanServer iserver = (SpiEbeanServer)server;
    return iserver.createScopeTrans(txScope);
  }

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public class TestSeqBatch extends BaseTestCase {


  @Test
  public void test() {
    
    EbeanServer server = Ebean.getServer(null);
    SpiEbeanServer spiServer = (SpiEbeanServer)server;
    
    boolean seqSupport = spiServer.getDatabasePlatform().getDbIdentity().isSupportsSequence();
    
    if (seqSupport){

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  @Test
  public void test() {
    
    ResetBasicData.reset();
    
    EbeanServer server = Ebean.getServer(null);
    Product prod1 = createProduct(100,"apples");
    server.insert(prod1);
    Product prod2 = createProduct(101, "bananas");
    server.insert(prod2);
    
    server.beginTransaction();
    // effectively load these into the persistence context
    server.find(Product.class, prod1.getId());
    server.find(Product.class, prod2.getId());
    
    server.delete(Product.class, Arrays.asList(prod1.getId(), prod2.getId()));
    
    // are these found in the persistence context?
    Product shadow1 = server.find(Product.class, prod1.getId());
    Product shadow2 = server.find(Product.class, prod2.getId());
    
    Assert.assertNull(shadow1);
    Assert.assertNull(shadow2);
    
    server.endTransaction();
    
  }

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  // public void testRunManually() {
  public void notRanAutomatically() {


    GlobalProperties.put("datasource.default", "");
    EbeanServer server = CreateIdExpandedFormServer.create();


    ROrderPK k0 = new ROrderPK("compa", 100);
    ROrderPK k1 = new ROrderPK("compa", 101);
    ROrderPK k2 = new ROrderPK("b", 105);
    ROrderPK k3 = new ROrderPK("c", 106);


    List<ROrderPK> keys = new ArrayList<ROrderPK>();
    keys.add(k0);
    keys.add(k1);
    keys.add(k2);
    keys.add(k3);


    Query<ROrder> query = server.find(ROrder.class).where().idIn(keys).query();


    query.findList();
    String sql = query.getGeneratedSql();


    Assert.assertTrue(sql.contains("(r.company=? and r.order_number=?) or"));


    Query<ROrder> query2 = server.find(ROrder.class).setId(k0);


    query2.findUnique();
    sql = query2.getGeneratedSql();
    Assert.assertTrue(sql.contains("r.company = ? "));
    Assert.assertTrue(sql.contains(" and r.order_number = ?"));


    server.delete(ROrder.class, k0);


    server.delete(ROrder.class, keys);


  }

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public class TestResourceFileSelfRef {


  @Test
  public void test() {
    
    EbeanServer server = Ebean.getServer(null);


    ResourceFile childFile1 = new ResourceFile();
    childFile1.setName("childFile1");
    ResourceFile childFile2 = new ResourceFile();
    childFile2.setName("childFile2");


    ResourceFile parentFile1 = new ResourceFile();
    parentFile1.setName("parentFile1");


    childFile1.setParent(parentFile1);
    childFile2.setParent(parentFile1);
    parentFile1.getAlternatives().add(childFile1);
    parentFile1.getAlternatives().add(childFile2);


    server.save(parentFile1);
    server.save(childFile1);
    server.save(childFile2);


    // As a workaround for the problem, the child objects can be deleted first
    //server.delete(childFile1);
    //server.delete(childFile2);
    server.delete(parentFile1);
  }

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public class TestQueryCacheInsert extends BaseTestCase {


  @Test
  public void test() {


    EbeanServer server = Ebean.getServer(null);


    EBasicVer account = new EBasicVer();
    server.save(account);


    List<EBasicVer> alist0 = server.find(EBasicVer.class).setUseQueryCache(true).findList();


    EBasicVer a2 = new EBasicVer();
    server.save(a2);


    List<EBasicVer> alist1 = server.find(EBasicVer.class).setUseQueryCache(true).findList();


    Assert.assertEquals(alist0.size() + 1, alist1.size());
    // List<EBasicVer> noQueryCacheList = server.find(EBasicVer.class)
    // .setUseQueryCache(false)
    // .findList();

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public class TestPersistenceContextOnUpdateDuringTxn extends BaseTestCase {


  @Test
  public void test() {
    
    EbeanServer server = Ebean.getServer(null);
    
    server.beginTransaction();
    try {
      
      EBasic bean1 = new EBasic();
      bean1.setName("hello");
      
      server.save(bean1);
      
      EBasic updatedEntity = new EBasic();
      updatedEntity.setId(bean1.getId());
      updatedEntity.setName("hello-changed");
      
      server.update(updatedEntity);
      
      // actually the bean is not in the persistence context so ...  the assert is fine
      EBasic loadedEntity = server.find(EBasic.class,bean1.getId());


      assertThat(loadedEntity.getName(), is("hello-changed")); 


    } finally {
      server.endTransaction();
    }
    
  }

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        //UnderscoreNamingConvention naming = new UnderscoreNamingConvention();
        //naming.setSchema("test");
        //cfg.setNamingConvention(naming);
        cfg.setDdlGenerate(true);
        cfg.setDdlRun(true);
        EbeanServer ebean = EbeanServerFactory.create(cfg);
        //ebean.createSqlUpdate("create schema foo").execute();
        System.out.println(ebean);
    }

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    Assert.assertEquals(0, pc.size(Customer.class));


    Order order0 = null;
    try {


      EbeanServer server = Ebean.getServer(null);
      List<Order> list = server.find(Order.class).fetch("customer").fetch("details").findList();


      int orderSize = list.size();
      Assert.assertTrue(orderSize > 1);


      // keep a hold of one of them

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public class TestProtectedConstructor extends BaseTestCase {


  @Test
  public void test() {
    
    EbeanServer server = Ebean.getServer(null);
    
    // check that we can construc a bean with a protected constructor
    MProtectedConstructBean bean = server.createEntityBean(MProtectedConstructBean.class);
    Assert.assertNotNull(bean);


    // Note1 that the enhancement ClassAdapterEntity line 239 makes a default constructor publically accessible
    // Note2 the ClassAdpater will call DefaultConstructor.add() to add a default constructor if it doesn't exist

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