org.needle4j.db.testdata

Class AbstractTestdataBuilder<T>

java.lang.Object

org.needle4j.db.testdata.AbstractTestdataBuilder<T>

Type Parameters:

T - The type of the object to build.

All Implemented Interfaces:

TestdataBuilder<T>

public abstract class AbstractTestdataBuilder<T>
extends Object
implements TestdataBuilder<T>

An abstract implementation of TestdataBuilder.

 
 Implementation example:
 
 public class PersonTestDataBuilder extends AbstractTestdataBuilder {
 
  ...
 
        public PersonTestDataBuilder() {
         super();
        }
 
        public PersonTestDataBuilder(EntityManager entityManager) {
         super(entityManager);
        }
 
        public PersonTestDataBuilder withName(String name){
         this.withName = name;
         return this;
        }
 
        public PersonTestDataBuilder withAddress(Address address){
         this.withName = name;
         return this;
        }
 
        public Person build() {
         Person person = new Person();
         ...
         return person;
        }
 
 
 Usage example:
 
 Person transientPerson = new PersonTestDataBuilder(em).build();
 Person persistedPerson = new PersonTestDataBuilder(em).buildAndSave();
 new PersonTestDataBuilder(em).withAddress(address).buildAndSave();
 
 
 
 

Constructor Summary

Constructors

Constructor and Description
AbstractTestdataBuilder() Creates a new TestdataBuilder without persistence.
AbstractTestdataBuilder(javax.persistence.EntityManager entityManager) Creates a new TestdataBuilder with persistence.

Method Summary

Methods

Modifier and Type	Method and Description
T	buildAndSave() Creates a new instance of generic type and saves the instance.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.needle4j.db.testdata.TestdataBuilder

build

Constructor Detail

AbstractTestdataBuilder

public AbstractTestdataBuilder(javax.persistence.EntityManager entityManager)

Creates a new TestdataBuilder with persistence.

Parameters:

entityManager - EntityManager to be used by this TestdataBuilder

AbstractTestdataBuilder

public AbstractTestdataBuilder()

Creates a new TestdataBuilder without persistence.

Method Detail

buildAndSave

public final T buildAndSave()

Creates a new instance of generic type and saves the instance. Executed within a new transaction.

Specified by:

buildAndSave in interface TestdataBuilder<T>

Returns:

a new persisted instance of generic type

Throws:

IllegalStateException - if the TestdataBuilder is constructed without an EntityManager