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manager.deleteEntity(savedPerson);

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Person deletedPerson = (Person) manager.findById(Person.class, savedPerson.getId());

if(deletedPerson == null){
    System.out.println("Entity was deleted sucessfully");
}

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manager.deleteEntities(savedNumbers);

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Query query2 = new Query();
query2.setEntityType(RandomNumber.class);
List<RandomNumber> emptyList = manager.executeQuery(query2);

System.out.println(emptyList.size() + " random numbers exist after deletion");

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PersistenceManagerFactory factory = new CacheManagerFactory(); //1

factory.setCredentials("username", "password"); //2

factory.initialize();  //3

PersistenceManager manager = factory.getPersistenceManager();  //4

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<dependency>
    <groupId>com.onyxdevtools</groupId>
    <artifactId>onyx-remote-database</artifactId>
    <version>${onyx-database.version}</version>
</dependency>

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mvn clean install

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  <groupId>com.onyxdevtools.samples</groupId>
  <artifactId>data-model</artifactId>
  <packaging>jar</packaging>
  
  <dependencies>
      <dependency>
          <groupId>com.onyxdevtools</groupId>
          <artifactId>onyx-database</artifactId>
          <version>${onyx-database.version}</version>
      </dependency>

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<groupId>com.onyxdevtools.samples</groupId>
<artifactId>onyx-database-server</artifactId>
<packaging>jar</packaging>

<dependencies>
    
    <dependency>
        <groupId>com.onyxdevtools</groupId>
        <artifactId>onyx-web-database</artifactId>
        <version>${onyx-database.version}</version>

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public static void main(String[] args) throws Exception
{
    DatabaseServer server1 = new DatabaseServer();
    server1.setPort(8080);
    String pathToOnyxDB = System.getProperty("user.home") 
                        + File.separatorChar + ".onyxdb" 
                        + File.separatorChar + "sandbox" 
                        + File.separatorChar +"remote-db.oxd";
    
    server1.setCredentials("onyx-remote", "SavingDataIsFun!");