-
Notifications
You must be signed in to change notification settings - Fork 14
/
AbstractConnector.java
70 lines (59 loc) · 2.13 KB
/
AbstractConnector.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
/**
* Copyright (C) 2016 Czech Technical University in Prague
* <p>
* 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, either version 3 of the License, or (at your option) any
* later version.
* <p>
* 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 cz.cvut.kbss.ontodriver.owlapi.connector;
import cz.cvut.kbss.ontodriver.Closeable;
import cz.cvut.kbss.ontodriver.config.Configuration;
import cz.cvut.kbss.ontodriver.exception.OntoDriverException;
import cz.cvut.kbss.ontodriver.owlapi.exception.OwlapiDriverException;
/**
* Common superclass for the storage connectors.
* <p>
* Declares the basic interface and stores storage info.
*/
abstract class AbstractConnector implements Closeable, Connector {
final Configuration configuration;
private volatile boolean open;
AbstractConnector(Configuration configuration) throws OwlapiDriverException {
assert configuration != null;
this.configuration = configuration;
initializeConnector();
this.open = true;
}
@Override
public boolean isOpen() {
return open;
}
@Override
public void close() throws OntoDriverException {
this.open = false;
}
protected void ensureOpen() {
if (!open) {
throw new IllegalStateException("The connector is closed.");
}
}
/**
* Reloads ontology from the underlying storage.
*/
void reloadData() throws OwlapiDriverException {
// Do nothing by default
}
/**
* Initializes the connector.
*
* @throws OwlapiDriverException When storage access error occurs
*/
protected abstract void initializeConnector() throws OwlapiDriverException;
}