foundation/eclipselink.core.test/src/it/java/org/eclipse/persistence/testing/tests/queries/optimization/ComplexJoinedAttributeQueryTest.java

/*
 * Copyright (c) 2011, 2021 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Vikram Bhatia - initial API and implementation
package org.eclipse.persistence.testing.tests.queries.optimization;

import java.util.Collection;

import org.eclipse.persistence.expressions.Expression;
import org.eclipse.persistence.expressions.ExpressionBuilder;
import org.eclipse.persistence.queries.ReadAllQuery;
import org.eclipse.persistence.testing.framework.TestCase;
import org.eclipse.persistence.testing.framework.TestErrorException;
import org.eclipse.persistence.testing.models.insurance.Address;

/**
 * Test query.addJoinedAttribute(Expression) when multiple expressions are added and
 * each expression is created using a new ExpressionBuilder.
 */
public class ComplexJoinedAttributeQueryTest extends TestCase {
    private Address queryResult = null;
    public ComplexJoinedAttributeQueryTest() {
        setDescription("Complex Joined Attribute Query Test");
    }

    @Override
    public void test() {
        ReadAllQuery query = new ReadAllQuery(Address.class);
        Expression zipCodeExpression = new ExpressionBuilder().get("zipCode").equal("28150");
        Expression ssnExpression = new ExpressionBuilder().get("policyHolder").get("ssn").equal(1111);
        Expression expression = zipCodeExpression.or(ssnExpression);

        Expression policyExpression = new ExpressionBuilder().get("policyHolder").anyOf("policies").get("policyNumber").equal(200);
        Expression phoneExpression = new ExpressionBuilder().get("policyHolder").anyOf("phones").get("areaCode").equal(123);

        expression = expression.and(policyExpression).and(phoneExpression);
        query.setSelectionCriteria(expression);

        query.addJoinedAttribute(new ExpressionBuilder().get("policyHolder"));
        query.addJoinedAttribute(new ExpressionBuilder().get("policyHolder").anyOf("policies"));
        query.addJoinedAttribute(new ExpressionBuilder().get("policyHolder").anyOf("phones"));

        Collection<Address> result = (Collection<Address>)getSession().executeQuery(query);
        if (result != null && result.size() == 1) {
            queryResult = (Address)result.toArray()[0];
        }
    }

    @Override
    public void verify() {
        if (queryResult == null) {
            throw new TestErrorException("Address not found.");
        }
    }
}