-
Notifications
You must be signed in to change notification settings - Fork 2.3k
/
IndexAccessorCompatibility.java
100 lines (89 loc) · 3.28 KB
/
IndexAccessorCompatibility.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.api.index;
import org.eclipse.collections.api.iterator.LongIterator;
import org.junit.After;
import org.junit.Before;
import java.io.IOException;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import org.neo4j.internal.kernel.api.IndexQuery;
import org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.impl.api.index.IndexUpdateMode;
import org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig;
import org.neo4j.storageengine.api.schema.IndexDescriptor;
import org.neo4j.storageengine.api.schema.IndexReader;
public abstract class IndexAccessorCompatibility extends IndexProviderCompatibilityTestSuite.Compatibility
{
protected IndexAccessor accessor;
public IndexAccessorCompatibility( IndexProviderCompatibilityTestSuite testSuite, IndexDescriptor descriptor )
{
super( testSuite, descriptor );
}
@Before
public void before() throws Exception
{
IndexSamplingConfig indexSamplingConfig = new IndexSamplingConfig( Config.defaults() );
IndexPopulator populator = indexProvider.getPopulator( descriptor, indexSamplingConfig );
populator.create();
populator.close( true );
accessor = indexProvider.getOnlineAccessor( descriptor, indexSamplingConfig );
}
@After
public void after() throws IOException
{
accessor.drop();
accessor.close();
}
protected List<Long> query( IndexQuery... predicates ) throws Exception
{
return metaGet( reader -> reader.query( predicates ) );
}
private List<Long> metaGet( ReaderInteraction interaction ) throws Exception
{
try ( IndexReader reader = accessor.newReader() )
{
List<Long> list = new LinkedList<>();
for ( LongIterator iterator = interaction.results( reader ); iterator.hasNext(); )
{
list.add( iterator.next() );
}
Collections.sort( list );
return list;
}
}
interface ReaderInteraction
{
LongIterator results( IndexReader reader ) throws Exception;
}
void updateAndCommit( List<IndexEntryUpdate<?>> updates )
throws IOException, IndexEntryConflictException
{
try ( IndexUpdater updater = accessor.newUpdater( IndexUpdateMode.ONLINE ) )
{
for ( IndexEntryUpdate<?> update : updates )
{
updater.process( update );
}
}
}
}