| /* |
| * Copyright (c) 2007, 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.spi; |
| |
| import java.util.Map; |
| import org.apache.zest.api.Qi4j; |
| import org.apache.zest.api.association.Association; |
| import org.apache.zest.api.association.AssociationStateHolder; |
| import org.apache.zest.api.association.ManyAssociation; |
| import org.apache.zest.api.association.NamedAssociation; |
| import org.apache.zest.api.composite.TransientComposite; |
| import org.apache.zest.api.entity.EntityComposite; |
| import org.apache.zest.api.entity.EntityReference; |
| import org.apache.zest.api.property.StateHolder; |
| import org.apache.zest.api.value.ValueComposite; |
| import org.apache.zest.spi.entity.EntityState; |
| |
| /** |
| * Encapsulation of the Zest SPI. This is implemented by the runtime. |
| */ |
| public interface Qi4jSPI |
| extends Qi4j |
| { |
| StateHolder stateOf( TransientComposite composite ); |
| |
| AssociationStateHolder stateOf( EntityComposite composite ); |
| |
| AssociationStateHolder stateOf( ValueComposite composite ); |
| |
| // Entities |
| EntityState entityStateOf( EntityComposite composite ); |
| |
| /** |
| * Fetches the EntityReference without loading the referenced entity. |
| * |
| * @param assoc The Association for which we want to obtain the EntityReference |
| * @return The EntityReference of the given Association. |
| */ |
| EntityReference entityReferenceOf( Association assoc ); |
| |
| /** |
| * Fetches the EntityReferences without loading the referenced entities. |
| * |
| * @param assoc The ManyAssociation for which we want to obtain the EntityReferences. |
| * @return An Iteranble of all the EntityReferences of the given ManyAssociation. |
| */ |
| Iterable<EntityReference> entityReferenceOf( ManyAssociation assoc ); |
| |
| /** |
| * Fetches the EntityReferences without loading the referenced entities. |
| * |
| * @param assoc The NamedAssociation for which we want to obtain the EntityReference |
| * @return An Iteranble of Map.Entry with the name and EntityReference of the given NamedAssociation. |
| */ |
| Iterable<Map.Entry<String,EntityReference>> entityReferenceOf( NamedAssociation assoc ); |
| |
| } |