| /* |
| * Copyright (c) 2008, Rickard Öberg. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.zest.runtime.entity.associations; |
| |
| import org.junit.Test; |
| import org.apache.zest.api.association.Association; |
| import org.apache.zest.api.association.ManyAssociation; |
| import org.apache.zest.api.common.Optional; |
| import org.apache.zest.api.entity.EntityBuilder; |
| import org.apache.zest.api.entity.EntityComposite; |
| import org.apache.zest.api.property.Immutable; |
| import org.apache.zest.api.unitofwork.UnitOfWork; |
| import org.apache.zest.bootstrap.AssemblyException; |
| import org.apache.zest.bootstrap.ModuleAssembly; |
| import org.apache.zest.test.AbstractQi4jTest; |
| import org.apache.zest.test.EntityTestAssembler; |
| |
| /** |
| * Test that associations can be marked as @Immutable |
| */ |
| public class ImmutableAssociationTest |
| extends AbstractQi4jTest |
| { |
| public void assemble( ModuleAssembly module ) |
| throws AssemblyException |
| { |
| new EntityTestAssembler().assemble( module ); |
| module.entities( PersonEntity.class ); |
| } |
| |
| @Test |
| public void givenEntityWithImmutableAssociationWhenBuildingThenNoException() |
| throws Exception |
| { |
| UnitOfWork unitOfWork = module.newUnitOfWork(); |
| try |
| { |
| PersonEntity father = unitOfWork.newEntity( PersonEntity.class ); |
| |
| EntityBuilder<PersonEntity> builder = unitOfWork.newEntityBuilder( PersonEntity.class ); |
| PersonEntity instance = builder.instance(); |
| instance.father().set( father ); |
| PersonEntity child = builder.newInstance(); |
| } |
| finally |
| { |
| unitOfWork.discard(); |
| } |
| } |
| |
| @Test( expected = IllegalStateException.class ) |
| public void givenEntityWithImmutableAssociationWhenChangingValueThenThrowException() |
| throws Exception |
| { |
| UnitOfWork unitOfWork = module.newUnitOfWork(); |
| try |
| { |
| EntityBuilder<PersonEntity> builder = unitOfWork.newEntityBuilder( PersonEntity.class ); |
| PersonEntity father = builder.instance(); |
| father = builder.newInstance(); |
| |
| builder = unitOfWork.newEntityBuilder( PersonEntity.class ); |
| PersonEntity child = builder.instance(); |
| child = builder.newInstance(); |
| |
| child.father().set( father ); |
| |
| unitOfWork.complete(); |
| } |
| finally |
| { |
| unitOfWork.discard(); |
| } |
| } |
| |
| @Test |
| public void givenEntityWithImmutableManyAssociationWhenBuildingThenNoException() |
| throws Exception |
| { |
| UnitOfWork unitOfWork = module.newUnitOfWork(); |
| try |
| { |
| EntityBuilder<PersonEntity> builder = unitOfWork.newEntityBuilder( PersonEntity.class ); |
| PersonEntity person1 = builder.instance(); |
| person1 = builder.newInstance(); |
| |
| builder = unitOfWork.newEntityBuilder( PersonEntity.class ); |
| PersonEntity person2 = builder.instance(); |
| person2.colleagues().add( 0, person1 ); |
| person2 = builder.newInstance(); |
| } |
| finally |
| { |
| unitOfWork.discard(); |
| } |
| } |
| |
| @Test( expected = IllegalStateException.class ) |
| public void givenEntityWithImmutableManyAssociationWhenChangingValueThenThrowException() |
| throws Exception |
| { |
| UnitOfWork unitOfWork = module.newUnitOfWork(); |
| try |
| { |
| EntityBuilder<PersonEntity> builder = unitOfWork.newEntityBuilder( PersonEntity.class ); |
| PersonEntity person1 = builder.instance(); |
| person1 = builder.newInstance(); |
| |
| builder = unitOfWork.newEntityBuilder( PersonEntity.class ); |
| PersonEntity person2 = builder.instance(); |
| person2 = builder.newInstance(); |
| |
| person1.colleagues().add( 0, person2 ); |
| |
| unitOfWork.complete(); |
| } |
| finally |
| { |
| unitOfWork.discard(); |
| } |
| } |
| |
| interface PersonEntity |
| extends EntityComposite |
| { |
| @Optional |
| @Immutable |
| Association<PersonEntity> father(); |
| |
| @Immutable |
| ManyAssociation<PersonEntity> children(); |
| |
| @Immutable |
| ManyAssociation<PersonEntity> friends(); |
| |
| @Immutable |
| ManyAssociation<PersonEntity> colleagues(); |
| } |
| } |