/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.query.impl;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.query.Predicate;
import com.hazelcast.query.QueryException;
import com.hazelcast.query.TruePredicate;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static org.codehaus.groovy.runtime.InvokerHelper.asList;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
@SuppressWarnings("unchecked")
public class AndResultSetTest extends HazelcastTestSupport {
@Test
// https://github.com/hazelcast/hazelcast/issues/1501
public void iteratingOver_noException() {
Set<QueryableEntry> entries = generateEntries(100000);
AndResultSet resultSet = new AndResultSet(entries, null, asList(new FalsePredicate()));
Iterator it = resultSet.iterator();
boolean result = it.hasNext();
assertFalse(result);
}
@Test
// https://github.com/hazelcast/hazelcast/issues/9614
public void size_nonMatchingPredicate() {
Set<QueryableEntry> entries = generateEntries(100000);
AndResultSet resultSet = new AndResultSet(entries, null, asList(new FalsePredicate()));
int size = resultSet.size();
int countedSize = 0;
for (QueryableEntry queryableEntry : resultSet) {
countedSize++;
}
assertEquals(0, countedSize);
assertEquals(size, countedSize);
}
@Test
// https://github.com/hazelcast/hazelcast/issues/9614
public void size_matchingPredicate_notInResult() {
Set<QueryableEntry> entries = generateEntries(100000);
List<Set<QueryableEntry>> otherIndexedResults = new ArrayList<Set<QueryableEntry>>();
otherIndexedResults.add(Collections.<QueryableEntry>emptySet());
AndResultSet resultSet = new AndResultSet(entries, otherIndexedResults, asList(new TruePredicate()));
int size = resultSet.size();
int countedSize = 0;
for (QueryableEntry queryableEntry : resultSet) {
countedSize++;
}
assertEquals(0, countedSize);
assertEquals(size, countedSize);
}
@Test
// https://github.com/hazelcast/hazelcast/issues/9614
public void size_matchingPredicate_noOtherResult() {
Set<QueryableEntry> entries = generateEntries(100000);
List<Set<QueryableEntry>> otherIndexedResults = new ArrayList<Set<QueryableEntry>>();
AndResultSet resultSet = new AndResultSet(entries, otherIndexedResults, asList(new TruePredicate()));
int size = resultSet.size();
int countedSize = 0;
for (QueryableEntry queryableEntry : resultSet) {
countedSize++;
}
assertEquals(100000, countedSize);
assertEquals(size, countedSize);
}
@Test
// https://github.com/hazelcast/hazelcast/issues/9614
public void size_matchingPredicate_inOtherResult() {
Set<QueryableEntry> entries = generateEntries(100000);
Set<QueryableEntry> otherIndexResult = new HashSet<QueryableEntry>();
otherIndexResult.add(entries.iterator().next());
List<Set<QueryableEntry>> otherIndexedResults = new ArrayList<Set<QueryableEntry>>();
otherIndexedResults.add(otherIndexResult);
AndResultSet resultSet = new AndResultSet(entries, otherIndexedResults, asList(new TruePredicate()));
int size = resultSet.size();
int countedSize = 0;
for (QueryableEntry queryableEntry : resultSet) {
countedSize++;
}
assertEquals(1, countedSize);
assertEquals(size, countedSize);
}
@Test
public void contains_nonMatchingPredicate() {
Set<QueryableEntry> entries = generateEntries(100000);
AndResultSet resultSet = new AndResultSet(entries, null, asList(new FalsePredicate()));
assertNotContains(resultSet, entries.iterator().next());
}
@Test
public void contains_matchingPredicate_notInResult() {
Set<QueryableEntry> entries = generateEntries(100000);
List<Set<QueryableEntry>> otherIndexedResults = new ArrayList<Set<QueryableEntry>>();
otherIndexedResults.add(Collections.<QueryableEntry>emptySet());
AndResultSet resultSet = new AndResultSet(entries, otherIndexedResults, asList(new TruePredicate()));
assertNotContains(resultSet, entries.iterator().next());
}
@Test
public void contains_matchingPredicate_noOtherResult() {
Set<QueryableEntry> entries = generateEntries(100000);
List<Set<QueryableEntry>> otherIndexedResults = new ArrayList<Set<QueryableEntry>>();
AndResultSet resultSet = new AndResultSet(entries, otherIndexedResults, asList(new TruePredicate()));
for (QueryableEntry entry : entries) {
assertContains(resultSet, entry);
}
}
@Test
public void contains_matchingPredicate_inOtherResult() {
Set<QueryableEntry> entries = generateEntries(100000);
Set<QueryableEntry> otherIndexResult = new HashSet<QueryableEntry>();
otherIndexResult.add(entries.iterator().next());
List<Set<QueryableEntry>> otherIndexedResults = new ArrayList<Set<QueryableEntry>>();
otherIndexedResults.add(otherIndexResult);
AndResultSet resultSet = new AndResultSet(entries, otherIndexedResults, asList(new TruePredicate()));
Iterator<QueryableEntry> it = entries.iterator();
assertContains(resultSet, it.next());
while (it.hasNext()) {
assertNotContains(resultSet, it.next());
}
}
@Test(expected = UnsupportedOperationException.class)
public void removeUnsupported() throws IOException {
Set<QueryableEntry> entries = generateEntries(100000);
AndResultSet resultSet = new AndResultSet(entries, null, asList(new TruePredicate()));
resultSet.remove(resultSet.iterator().next());
}
private static Set<QueryableEntry> generateEntries(int count) {
Set<QueryableEntry> result = new HashSet<QueryableEntry>();
for (int k = 0; k < count; k++) {
QueryableEntry entry = new DummyEntry();
result.add(entry);
}
return result;
}
private static class FalsePredicate implements Predicate {
@Override
public boolean apply(Map.Entry mapEntry) {
return false;
}
}
private static class DummyEntry extends QueryableEntry {
@Override
public Object getValue() {
return null;
}
@Override
public Object getKey() {
return null;
}
@Override
public Comparable getAttributeValue(String attributeName) throws QueryException {
return null;
}
@Override
public AttributeType getAttributeType(String attributeName) {
return null;
}
@Override
public Object getTargetObject(boolean key) {
return null;
}
@Override
public Object setValue(Object value) {
return null;
}
@Override
public Data getKeyData() {
return null;
}
@Override
public Data getValueData() {
return null;
}
}
}