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  package org.apache.cayenne.access;
  
  import org.apache.cayenne.Cayenne;
  import org.apache.cayenne.ObjectId;
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.query.ObjectIdQuery;
  import org.apache.cayenne.test.jdbc.TableHelper;
  import org.apache.cayenne.testdo.inheritance_people.AbstractPerson;
  import org.apache.cayenne.testdo.inheritance_people.Employee;
  import org.apache.cayenne.testdo.inheritance_people.Manager;
  import org.apache.cayenne.unit.di.DataChannelInterceptor;
  import org.apache.cayenne.unit.di.UnitTestClosure;
  import org.apache.cayenne.unit.di.runtime.PeopleProjectCase;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.sql.SQLException;
  import java.sql.Types;
  
  import static org.junit.Assert.assertTrue;
  
  public class DataContextObjectIdQuery_PolymorphicIT extends PeopleProjectCase {
  
  	@Inject
  	private DataContext context1;
  
  	@Inject
  	private DataContext context2;
  
  	@Inject
  	private DataChannelInterceptor queryInterceptor;
  
  	private TableHelper tPerson;
  
  	@Before
  	public void before() {
  		tPerson = new TableHelper(dbHelper, "PERSON").setColumns("PERSON_ID", "NAME", "PERSON_TYPE")
  				.setColumnTypes(Types.INTEGER, Types.VARCHAR, Types.CHAR);
  	}
  
  	@Test
  	public void testPolymorphicSharedCache() throws SQLException {
  
  		tPerson.insert(1, "P1", "EM");
  
  		final ObjectIdQuery q1 = new ObjectIdQuery(ObjectId.of("AbstractPerson", "PERSON_ID", 1), false,
  				ObjectIdQuery.CACHE);
  
  		AbstractPerson ap1 = (AbstractPerson) Cayenne.objectForQuery(context1, q1);
  		assertTrue(ap1 instanceof Manager);
  
  		queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {
  
  			@Override
  			public void execute() {
  				// use different context to ensure we hit shared cache
  				AbstractPerson ap2 = (AbstractPerson) Cayenne.objectForQuery(context2, q1);
  				assertTrue(ap2 instanceof Manager);
  			}
  		});
  	}
  
  	@Test
  	public void testPolymorphicSharedCache_AfterCayenneInsert() throws SQLException {
  
  
  		// see CAY-2101... we are trying to get a snapshot from a new object in the shared cache, and then read this
  		// object via a relationship, so that shared cache is consulted
  		Employee e = context1.newObject(Employee.class);
  		e.setName("E1");
  		e.setSalary(1234.01f);
  
  		context1.commitChanges();
  
  
  		final ObjectIdQuery q1 = new ObjectIdQuery(
  				ObjectId.of("AbstractPerson", "PERSON_ID", Cayenne.intPKForObject(e)),
  				false,
  				ObjectIdQuery.CACHE);
  
  
  		queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {
  
  			@Override
  			public void execute() {
  				// use different context to ensure we hit shared cache
  				AbstractPerson ap1 = (AbstractPerson) Cayenne.objectForQuery(context2, q1);
  				assertTrue(ap1 instanceof Employee);
  			}
  		});
  	}
  
  	@Test
  	public void testPolymorphicLocalCache() throws SQLException {
  
  		tPerson.insert(1, "P1", "EM");
  
  		final ObjectIdQuery q1 = new ObjectIdQuery(ObjectId.of("AbstractPerson", "PERSON_ID", 1), false,
  				ObjectIdQuery.CACHE);
  
  		AbstractPerson ap1 = (AbstractPerson) Cayenne.objectForQuery(context1, q1);
  		assertTrue(ap1 instanceof Manager);
  
  		queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {
  
  			@Override
  			public void execute() {
  				// use same context to ensure we hit local cache
  				// note that this does not guarantee test correctness. If local
  				// cache polymorphic ID lookup is broken, shared cache will pick
  				// it up
  				AbstractPerson ap2 = (AbstractPerson) Cayenne.objectForQuery(context1, q1);
  				assertTrue(ap2 instanceof Manager);
  			}
  		});
  	}
  }
  