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package org.apache.cayenne.access.translator.batch;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.PersistenceState;
import org.apache.cayenne.access.DataNode;
import org.apache.cayenne.dba.DbAdapter;
import org.apache.cayenne.dba.JdbcAdapter;
import org.apache.cayenne.di.AdhocObjectFactory;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.query.DeleteBatchQuery;
import org.apache.cayenne.query.SQLTemplate;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.test.parallel.ParallelTestContainer;
import org.apache.cayenne.testdo.soft_delete.SoftDelete;
import org.apache.cayenne.unit.UnitDbAdapter;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Test;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
@UseServerRuntime(CayenneProjects.SOFT_DELETE_PROJECT)
public class SoftDeleteBatchTranslatorIT extends ServerCase {
@Inject
private ObjectContext context;
@Inject
protected DbAdapter adapter;
@Inject
private DataNode dataNode;
@Inject
private UnitDbAdapter unitAdapter;
@Inject
private AdhocObjectFactory objectFactory;
private DeleteBatchTranslator createTranslator(DeleteBatchQuery query) {
JdbcAdapter adapter = objectFactory.newInstance(JdbcAdapter.class, JdbcAdapter.class.getName());
return createTranslator(query, adapter);
}
private DeleteBatchTranslator createTranslator(DeleteBatchQuery query, JdbcAdapter adapter) {
return (DeleteBatchTranslator) new SoftDeleteTranslatorFactory().translator(query, adapter, null);
}
@Test
public void testCreateSqlString() throws Exception {
DbEntity entity = context.getEntityResolver().getObjEntity(SoftDelete.class).getDbEntity();
List<DbAttribute> idAttributes = Collections.singletonList(entity.getAttribute("ID"));
DeleteBatchQuery deleteQuery = new DeleteBatchQuery(entity, idAttributes, Collections.<String> emptySet(), 1);
DeleteBatchTranslator builder = createTranslator(deleteQuery);
String generatedSql = builder.getSql();
assertNotNull(generatedSql);
assertEquals("UPDATE " + entity.getName() + " SET DELETED = ? WHERE ID = ?", generatedSql);
}
@Test
public void testCreateSqlStringWithNulls() throws Exception {
DbEntity entity = context.getEntityResolver().getObjEntity(SoftDelete.class).getDbEntity();
List<DbAttribute> idAttributes = Arrays.asList(entity.getAttribute("ID"), entity.getAttribute("NAME"));
Collection<String> nullAttributes = Collections.singleton("NAME");
DeleteBatchQuery deleteQuery = new DeleteBatchQuery(entity, idAttributes, nullAttributes, 1);
DeleteBatchTranslator builder = createTranslator(deleteQuery);
String generatedSql = builder.getSql();
assertNotNull(generatedSql);
assertEquals("UPDATE " + entity.getName() + " SET DELETED = ? WHERE ID = ? AND NAME IS NULL", generatedSql);
}
@Test
public void testCreateSqlStringWithIdentifiersQuote() throws Exception {
DbEntity entity = context.getEntityResolver().getObjEntity(SoftDelete.class).getDbEntity();
try {
entity.getDataMap().setQuotingSQLIdentifiers(true);
List<DbAttribute> idAttributes = Collections.singletonList(entity.getAttribute("ID"));
DeleteBatchQuery deleteQuery = new DeleteBatchQuery(entity, idAttributes, Collections.<String> emptySet(),
1);
JdbcAdapter adapter = (JdbcAdapter) this.adapter;
DeleteBatchTranslator builder = createTranslator(deleteQuery, adapter);
String generatedSql = builder.getSql();
String charStart = unitAdapter.getIdentifiersStartQuote();
String charEnd = unitAdapter.getIdentifiersEndQuote();
assertNotNull(generatedSql);
assertEquals("UPDATE " + charStart + entity.getName() + charEnd + " SET " + charStart + "DELETED" + charEnd
+ " = ? WHERE " + charStart + "ID" + charEnd + " = ?", generatedSql);
} finally {
entity.getDataMap().setQuotingSQLIdentifiers(false);
}
}
@Test
public void testUpdate() throws Exception {
final DbEntity entity = context.getEntityResolver().getObjEntity(SoftDelete.class).getDbEntity();
JdbcAdapter adapter = (JdbcAdapter) this.adapter;
BatchTranslatorFactory oldFactory = dataNode.getBatchTranslatorFactory();
try {
dataNode.setBatchTranslatorFactory(new SoftDeleteTranslatorFactory());
final SoftDelete test = context.newObject(SoftDelete.class);
test.setName("SoftDeleteBatchQueryBuilderTest");
context.commitChanges();
final SelectQuery query = new SelectQuery(SoftDelete.class);
new ParallelTestContainer() {
@Override
protected void assertResult() throws Exception {
query.setQualifier(ExpressionFactory.matchExp("name", test.getName()));
assertEquals(1, context.performQuery(query).size());
query.andQualifier(ExpressionFactory.matchDbExp("DELETED", true));
assertEquals(0, context.performQuery(query).size());
}
}.runTest(200);
context.deleteObjects(test);
assertEquals(test.getPersistenceState(), PersistenceState.DELETED);
context.commitChanges();
new ParallelTestContainer() {
@Override
protected void assertResult() throws Exception {
query.setQualifier(ExpressionFactory.matchExp("name", test.getName()));
assertEquals(0, context.performQuery(query).size());
SQLTemplate template = new SQLTemplate(entity, "SELECT * FROM SOFT_DELETE");
template.setFetchingDataRows(true);
assertEquals(1, context.performQuery(template).size());
}
}.runTest(200);
} finally {
context.performQuery(new SQLTemplate(entity, "DELETE FROM SOFT_DELETE"));
dataNode.setBatchTranslatorFactory(oldFactory);
}
}
}