regressiontests/base/src/main/java/org/apache/causeway/testdomain/jdo/JdoInventoryManager.java

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 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
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 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
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package org.apache.causeway.testdomain.jdo;

import java.util.List;

import javax.inject.Inject;

import org.apache.causeway.applib.annotation.Action;
import org.apache.causeway.applib.annotation.Collection;
import org.apache.causeway.applib.annotation.DomainObject;
import org.apache.causeway.applib.annotation.Nature;
import org.apache.causeway.applib.annotation.Publishing;
import org.apache.causeway.applib.domain.DomainObjectList.ActionDomainEvent;
import org.apache.causeway.applib.services.repository.RepositoryService;
import org.apache.causeway.testdomain.jdo.entities.JdoProduct;

@DomainObject(nature = Nature.VIEW_MODEL)
public class JdoInventoryManager {

    @Inject private RepositoryService repository;

    // -- UPDATE PRODUCT PRICE

    public static class UpdateProductPriceEvent extends ActionDomainEvent {}

    @Action(
            domainEvent = UpdateProductPriceEvent.class,
            executionPublishing = Publishing.ENABLED,
            choicesFrom = "allProducts")
    public JdoProduct updateProductPrice(final JdoProduct product, final double newPrice) {
        product.setPrice(newPrice);
        return product;
    }

    // -- COUNT PRODUCTS

    @Action
    public int countProducts() {
        return getAllProducts().size();
    }

    @Collection
    public List<JdoProduct> getAllProducts() {
        return repository.allInstances(JdoProduct.class);
    }



}