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* to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.access.jdbc;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.apache.cayenne.PersistenceState;
import org.apache.cayenne.access.DataContext;
import org.apache.cayenne.access.trans.DeleteBatchQueryBuilder;
import org.apache.cayenne.dba.JdbcAdapter;
import org.apache.cayenne.exp.ExpressionFactory;
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.testdo.locking.SoftTest;
import org.apache.cayenne.unit.LockingCase;
import org.apache.cayenne.unit.util.ThreadedTestHelper;
public class SoftDeleteBatchQueryBuilderTest extends LockingCase {
private DeleteBatchQueryBuilder createBuilder() {
return createBuilder(new JdbcAdapter());
}
private DeleteBatchQueryBuilder createBuilder(JdbcAdapter adapter) {
return (DeleteBatchQueryBuilder) new SoftDeleteQueryBuilderFactory().
createDeleteQueryBuilder(adapter);
}
public void testCreateSqlString() throws Exception {
DbEntity entity = getDomain().getEntityResolver().lookupObjEntity(
SoftTest.class).getDbEntity();
List idAttributes = Collections.singletonList(entity
.getAttribute("SOFT_TEST_ID"));
DeleteBatchQuery deleteQuery = new DeleteBatchQuery(entity, idAttributes, null, 1);
DeleteBatchQueryBuilder builder = createBuilder();
String generatedSql = builder.createSqlString(deleteQuery);
assertNotNull(generatedSql);
assertEquals(
"UPDATE " + entity.getName() + " SET DELETED = ? WHERE SOFT_TEST_ID = ?",
generatedSql);
}
public void testCreateSqlStringWithNulls() throws Exception {
DbEntity entity = getDomain().getEntityResolver().lookupObjEntity(
SoftTest.class).getDbEntity();
List idAttributes = Arrays.asList(entity.getAttribute("SOFT_TEST_ID"), entity
.getAttribute("NAME"));
Collection nullAttributes = Collections.singleton("NAME");
DeleteBatchQuery deleteQuery = new DeleteBatchQuery(
entity,
idAttributes,
nullAttributes,
1);
DeleteBatchQueryBuilder builder = createBuilder();
String generatedSql = builder.createSqlString(deleteQuery);
assertNotNull(generatedSql);
assertEquals("UPDATE "
+ entity.getName()
+ " SET DELETED = ? WHERE SOFT_TEST_ID = ? AND NAME IS NULL", generatedSql);
}
public void testCreateSqlStringWithIdentifiersQuote() throws Exception {
DbEntity entity = getDomain().getEntityResolver().lookupObjEntity(
SoftTest.class).getDbEntity();
try {
entity.getDataMap().setQuotingSQLIdentifiers(true);
List idAttributes = Collections.singletonList(entity
.getAttribute("SOFT_TEST_ID"));
DeleteBatchQuery deleteQuery = new DeleteBatchQuery(
entity,
idAttributes,
null,
1);
JdbcAdapter adapter = (JdbcAdapter) getAccessStackAdapter().getAdapter();
DeleteBatchQueryBuilder builder = createBuilder(adapter);
String generatedSql = builder.createSqlString(deleteQuery);
String charStart = adapter.getIdentifiersStartQuote();
String charEnd = adapter.getIdentifiersEndQuote();
assertNotNull(generatedSql);
assertEquals("UPDATE "
+ charStart
+ entity.getName()
+ charEnd
+ " SET "
+ charStart
+ "DELETED"
+ charEnd
+ " = ? WHERE "
+ charStart
+ "SOFT_TEST_ID"
+ charEnd
+ " = ?", generatedSql);
}
finally {
entity.getDataMap().setQuotingSQLIdentifiers(false);
}
}
public void testUpdate() throws Exception {
final DataContext context = createDataContext();
final DbEntity entity = context.getEntityResolver().lookupObjEntity(
SoftTest.class).getDbEntity();
try {
context.getParentDataDomain().setQueryBuilderFactory(new SoftDeleteQueryBuilderFactory());
final SoftTest test = context.newObject(SoftTest.class);
test.setName("SoftDeleteBatchQueryBuilderTest");
context.commitChanges();
final SelectQuery query = new SelectQuery(SoftTest.class);
new ThreadedTestHelper() {
@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());
}
}.assertWithTimeout(200);
context.deleteObject(test);
assertEquals(test.getPersistenceState(), PersistenceState.DELETED);
context.commitChanges();
new ThreadedTestHelper() {
@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_TEST");
template.setFetchingDataRows(true);
assertEquals(1, context.performQuery(template).size());
}
}.assertWithTimeout(200);
}
finally {
context.performQuery(new SQLTemplate(entity, "DELETE FROM SOFT_TEST"));
context.getParentDataDomain().setQueryBuilderFactory(null);
}
}
}