-
Notifications
You must be signed in to change notification settings - Fork 2.3k
/
IoProducerStep.java
68 lines (61 loc) · 2.04 KB
/
IoProducerStep.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
/*
* 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.unsafe.impl.batchimport.staging;
import java.util.Collection;
import org.neo4j.unsafe.impl.batchimport.Configuration;
import org.neo4j.unsafe.impl.batchimport.IoThroughputStat;
import org.neo4j.unsafe.impl.batchimport.stats.Key;
import org.neo4j.unsafe.impl.batchimport.stats.Keys;
import org.neo4j.unsafe.impl.batchimport.stats.Stat;
import org.neo4j.unsafe.impl.batchimport.stats.StatsProvider;
/**
* {@link ProducerStep} that has built-in support for I/O stats.
*/
public abstract class IoProducerStep extends ProducerStep implements StatsProvider
{
public IoProducerStep( StageControl control, Configuration config )
{
super( control, ">", config );
}
@Override
protected void collectStatsProviders( Collection<StatsProvider> into )
{
super.collectStatsProviders( into );
into.add( this );
}
@Override
public Stat stat( Key key )
{
if ( key == Keys.io_throughput )
{
return new IoThroughputStat( startTime, endTime, position() );
}
return null;
}
@Override
public Key[] keys()
{
return new Key[] { Keys.io_throughput };
}
/**
* @return progress in terms of bytes.
*/
protected abstract long position();
}