| /* |
| * Copyright (c) 2011-2013, Niclas Hedhman. All Rights Reserved. |
| * Copyright (c) 2014, Paul Merlin. 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.qi4j.runtime.association; |
| |
| import java.lang.reflect.AccessibleObject; |
| import java.lang.reflect.Member; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import org.qi4j.api.association.AssociationDescriptor; |
| import org.qi4j.api.association.NamedAssociation; |
| import org.qi4j.api.common.QualifiedName; |
| import org.qi4j.functional.HierarchicalVisitor; |
| import org.qi4j.functional.VisitableHierarchy; |
| import org.qi4j.runtime.structure.ModuleUnitOfWork; |
| import org.qi4j.runtime.value.ValueStateInstance; |
| import org.qi4j.spi.entity.EntityState; |
| |
| /** |
| * Model for NamedAssociations. |
| */ |
| public final class NamedAssociationsModel |
| implements VisitableHierarchy<NamedAssociationsModel, NamedAssociationModel> |
| { |
| private final Map<AccessibleObject, NamedAssociationModel> mapAccessorAssociationModel = new LinkedHashMap<>(); |
| |
| public NamedAssociationsModel() |
| { |
| } |
| |
| public Iterable<NamedAssociationModel> namedAssociations() |
| { |
| return mapAccessorAssociationModel.values(); |
| } |
| |
| public void addNamedAssociation( NamedAssociationModel model ) |
| { |
| mapAccessorAssociationModel.put( model.accessor(), model ); |
| } |
| |
| @Override |
| public <ThrowableType extends Throwable> boolean accept( HierarchicalVisitor<? super NamedAssociationsModel, ? super NamedAssociationModel, ThrowableType> visitor ) |
| throws ThrowableType |
| { |
| if( visitor.visitEnter( this ) ) |
| { |
| for( NamedAssociationModel associationModel : mapAccessorAssociationModel.values() ) |
| { |
| if( !associationModel.accept( visitor ) ) |
| { |
| break; |
| } |
| } |
| } |
| return visitor.visitLeave( this ); |
| } |
| |
| public <T> NamedAssociation<T> newInstance( AccessibleObject accessor, |
| EntityState entityState, |
| ModuleUnitOfWork uow ) |
| { |
| return mapAccessorAssociationModel.get( accessor ).newInstance( uow, entityState ); |
| } |
| |
| public NamedAssociationModel getNamedAssociation( AccessibleObject accessor ) |
| throws IllegalArgumentException |
| { |
| if( false ) |
| { |
| return (NamedAssociationModel) getNamedAssociationByName( QualifiedName.fromAccessor( accessor ).name() ); |
| } |
| NamedAssociationModel namedAssociationModel = mapAccessorAssociationModel.get( accessor ); |
| if( namedAssociationModel == null ) |
| { |
| throw new IllegalArgumentException( "No named-association found with name:" + ( (Member) accessor ).getName() ); |
| } |
| return namedAssociationModel; |
| } |
| |
| public AssociationDescriptor getNamedAssociationByName( String name ) |
| throws IllegalArgumentException |
| { |
| for( NamedAssociationModel associationModel : mapAccessorAssociationModel.values() ) |
| { |
| if( associationModel.qualifiedName().name().equals( name ) ) |
| { |
| return associationModel; |
| } |
| } |
| throw new IllegalArgumentException( "No named-association found with name:" + name ); |
| } |
| |
| public AssociationDescriptor getNamedAssociationByQualifiedName( QualifiedName name ) |
| throws IllegalArgumentException |
| { |
| for( NamedAssociationModel associationModel : mapAccessorAssociationModel.values() ) |
| { |
| if( associationModel.qualifiedName().equals( name ) ) |
| { |
| return associationModel; |
| } |
| } |
| throw new IllegalArgumentException( "No named-association found with qualified name:" + name ); |
| } |
| |
| public void checkConstraints( ValueStateInstance state ) |
| { |
| for( NamedAssociationModel associationModel : mapAccessorAssociationModel.values() ) |
| { |
| associationModel.checkAssociationConstraints( state.namedAssociationFor( associationModel.accessor() ) ); |
| } |
| } |
| } |