/*
Copyright 2010 Sun Microsystems, Inc.
All rights reserved. Use is subject to license terms.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package testsuite.clusterj;
import testsuite.clusterj.model.Employee;
import com.mysql.clusterj.query.QueryBuilder;
import com.mysql.clusterj.query.QueryDomainType;
import com.mysql.clusterj.query.Predicate;
import com.mysql.clusterj.query.PredicateOperand;
import com.mysql.clusterj.Query;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class QueryTableScanTest extends AbstractClusterJModelTest {
@Override
public void localSetUp() {
createSessionFactory();
session = sessionFactory.getSession();
tx = session.currentTransaction();
createEmployeeInstances(10);
try {
tx.begin();
session.deletePersistentAll(Employee.class);
tx.commit();
} catch (Throwable t) {
// ignore errors while deleting
}
tx.begin();
session.makePersistentAll(employees);
tx.commit();
addTearDownClasses(Employee.class);
}
/** Test all queries using the same setup.
* Fail if any errors during the tests.
*/
public void testTableScan() {
tableScanEqualQuery();
tableScanGreaterEqualQuery();
tableScanGreaterThanQuery();
tableScanLessEqualQuery();
tableScanLessThanQuery();
failOnError();
}
public void tableScanEqualQuery() {
tx.begin();
// QueryBuilder is the sessionFactory for queries
QueryBuilder builder = session.getQueryBuilder();
// QueryDomainType is the main interface
QueryDomainType dobj = builder.createQueryDefinition(Employee.class);
// parameter name
PredicateOperand param = dobj.param("name");
// property name
PredicateOperand column = dobj.get("name");
// compare the column with the parameter
Predicate compare = column.equal(param);
// set the where clause into the query
dobj.where(compare);
// create a query instance
Query query = session.createQuery(dobj);
// set the parameter value
query.setParameter("name", "Employee number 8");
// get the results
List<Employee> results = query.getResultList();
// consistency check the results
consistencyCheck(results);
// verify we got the right instance
errorIfNotEqual("Wrong employee id returned from equal query: ",
8, results.get(0).getId());
tx.commit();
}
public void tableScanGreaterThanQuery() {
tx.begin();
// QueryBuilder is the sessionFactory for queries
QueryBuilder builder = session.getQueryBuilder();
// QueryDomainType is the main interface
QueryDomainType dobj = builder.createQueryDefinition(Employee.class);
// parameter name
PredicateOperand param = dobj.param("name");
// property name
PredicateOperand column = dobj.get("name");
// compare the column with the parameter
Predicate compare = column.greaterThan(param);
// set the where clause into the query
dobj.where(compare);
// create a query instance
Query query = session.createQuery(dobj);
// set the parameter values
query.setParameter("name", "Employee number 6");
// get the results
List<Employee> results = query.getResultList();
// consistency check the results
consistencyCheck(results);
// verify we got the right instances
Set<Integer> expected = new HashSet<Integer>();
expected.add(7);
expected.add(8);
expected.add(9);
Set<Integer> actual = new HashSet<Integer>();
for (Employee emp: results) {
actual.add(emp.getId());
}
errorIfNotEqual("Wrong employee ids returned from greaterThan query: ",
expected, actual);
tx.commit();
}
public void tableScanGreaterEqualQuery() {
tx.begin();
// QueryBuilder is the sessionFactory for queries
QueryBuilder builder = session.getQueryBuilder();
// QueryDomainType is the main interface
QueryDomainType dobj = builder.createQueryDefinition(Employee.class);
// parameter name
PredicateOperand param = dobj.param("name");
// property name
PredicateOperand column = dobj.get("name");
// compare the column with the parameter
Predicate compare = column.greaterEqual(param);
// set the where clause into the query
dobj.where(compare);
// create a query instance
Query query = session.createQuery(dobj);
// set the parameter values
query.setParameter("name", "Employee number 7");
// get the results
List<Employee> results = query.getResultList();
// consistency check the results
consistencyCheck(results);
// verify we got the right instances
Set<Integer> expected = new HashSet<Integer>();
expected.add(7);
expected.add(8);
expected.add(9);
Set<Integer> actual = new HashSet<Integer>();
for (Employee emp: results) {
actual.add(emp.getId());
}
errorIfNotEqual("Wrong employee ids returned from greaterEqual query: ",
expected, actual);
tx.commit();
}
public void tableScanLessThanQuery() {
tx.begin();
// QueryBuilder is the sessionFactory for queries
QueryBuilder builder = session.getQueryBuilder();
// QueryDomainType is the main interface
QueryDomainType dobj = builder.createQueryDefinition(Employee.class);
// parameter name
PredicateOperand param = dobj.param("name");
// property name
PredicateOperand column = dobj.get("name");
// compare the column with the parameter
Predicate compare = column.lessThan(param);
// set the where clause into the query
dobj.where(compare);
// create a query instance
Query query = session.createQuery(dobj);
// set the parameter values
query.setParameter("name", "Employee number 3");
// get the results
List<Employee> results = query.getResultList();
// consistency check the results
consistencyCheck(results);
// verify we got the right instances
Set<Integer> expected = new HashSet<Integer>();
expected.add(0);
expected.add(1);
expected.add(2);
Set<Integer> actual = new HashSet<Integer>();
for (Employee emp: results) {
actual.add(emp.getId());
}
errorIfNotEqual("Wrong employee ids returned from lessThan query: ",
expected, actual);
tx.commit();
}
public void tableScanLessEqualQuery() {
tx.begin();
// QueryBuilder is the sessionFactory for queries
QueryBuilder builder = session.getQueryBuilder();
// QueryDomainType is the main interface
QueryDomainType dobj = builder.createQueryDefinition(Employee.class);
// parameter name
PredicateOperand param = dobj.param("name");
// property name
PredicateOperand column = dobj.get("name");
// compare the column with the parameter
Predicate compare = column.lessEqual(param);
// set the where clause into the query
dobj.where(compare);
// create a query instance
Query query = session.createQuery(dobj);
// set the parameter values
query.setParameter("name", "Employee number 2");
// get the results
List<Employee> results = query.getResultList();
// consistency check the results
consistencyCheck(results);
// verify we got the right instances
Set<Integer> expected = new HashSet<Integer>();
expected.add(0);
expected.add(1);
expected.add(2);
Set<Integer> actual = new HashSet<Integer>();
for (Employee emp: results) {
actual.add(emp.getId());
}
errorIfNotEqual("Wrong employee ids returned from lessEqual query: ",
expected, actual);
tx.commit();
}
}