-
Notifications
You must be signed in to change notification settings - Fork 2.3k
/
NativeLabelScanStoreExtension.java
73 lines (64 loc) · 2.61 KB
/
NativeLabelScanStoreExtension.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
/*
* Copyright (c) 2002-2017 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.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.impl.api.scan;
import java.util.function.Supplier;
import org.neo4j.graphdb.factory.GraphDatabaseSettings;
import org.neo4j.io.pagecache.PageCache;
import org.neo4j.kernel.api.labelscan.LabelScanStore;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.extension.KernelExtensionFactory;
import org.neo4j.kernel.impl.api.index.IndexStoreView;
import org.neo4j.kernel.impl.index.labelscan.NativeLabelScanStore;
import org.neo4j.kernel.impl.spi.KernelContext;
import org.neo4j.kernel.lifecycle.Lifecycle;
public class NativeLabelScanStoreExtension extends
KernelExtensionFactory<NativeLabelScanStoreExtension.Dependencies>
{
public static final String LABEL_SCAN_STORE_NAME = "native";
private final int priority;
private final LabelScanStore.Monitor monitor;
public interface Dependencies
{
Config getConfig();
PageCache pageCache();
Supplier<IndexStoreView> indexStoreView();
}
public NativeLabelScanStoreExtension()
{
this( 0 /*disabled by default*/, LabelScanStore.Monitor.EMPTY );
}
public NativeLabelScanStoreExtension( int priority, LabelScanStore.Monitor monitor )
{
super( LABEL_SCAN_STORE_NAME );
this.priority = priority;
this.monitor = monitor;
}
@Override
public Lifecycle newInstance( KernelContext context, Dependencies dependencies ) throws Throwable
{
NativeLabelScanStore labelScanStore = new NativeLabelScanStore(
dependencies.pageCache(),
context.storeDir(),
new FullLabelStream( dependencies.indexStoreView() ),
dependencies.getConfig().get( GraphDatabaseSettings.read_only ),
monitor );
return new LabelScanStoreProvider( LABEL_SCAN_STORE_NAME, labelScanStore, priority );
}
}