Jenkins

1: /**
2:  * Copyright (C) 2022 Czech Technical University in Prague
3:  *
4:  * This program is free software: you can redistribute it and/or modify it under
5:  * the terms of the GNU General Public License as published by the Free Software
6:  * Foundation, either version 3 of the License, or (at your option) any
7:  * later version.
8:  *
9:  * This program is distributed in the hope that it will be useful, but WITHOUT
10:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11:  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
12:  * details. You should have received a copy of the GNU General Public License
13:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
14:  */
15: package cz.cvut.kbss.ontodriver.jena.config;
16: 
17: public class JenaOntoDriverProperties {
18: 
19:     /**
20:      * Represents parameter specify isolation strategy to be used.
21:      * <p>
22:      * Possible values:
23:      * <ul>
24:      * <li>{@link #READ_COMMITTED}</li>
25:      * <li>{@link #SNAPSHOT}</li>
26:      * </ul>
27:      */
28:     public static final String JENA_ISOLATION_STRATEGY = "cz.cvut.kbss.ontodriver.jena.isolation";
29: 
30:     /**
31:      * Default storage access isolation strategy.
32:      * <p>
33:      * Represents situation where transactions keep a list of their changes, but the read from a shared connector,
34:      * meaning when a transaction commits changes, other transactions immediately see them.
35:      *
36:      * @see #JENA_ISOLATION_STRATEGY
37:      */
38:     public static final String READ_COMMITTED = "read-committed";
39: 
40:     /**
41:      * Storage access isolation strategy.
42:      * <p>
43:      * Represents situations where each transaction acquires a complete snapshot of the repository and works with it.
44:      *
45:      * @see #JENA_ISOLATION_STRATEGY
46:      */
47:     public static final String SNAPSHOT = "snapshot";
48: 
49:     /**
50:      * Represents parameter specifying type of storage to be used by this driver.
51:      * <p>
52:      * Possible values are:
53:      * <ul>
54:      * <li>{@link #FILE}</li>
55:      * <li>{@link #IN_MEMORY}</li>
56:      * <li>{@link #TDB}</li>
57:      * <li>{@link #SDB} - SDB storage is currently not supported (and probably won't be, since SDB development has stopped)</li>
58:      * </ul>
59:      */
60:     public static final String JENA_STORAGE_TYPE = "cz.cvut.kbss.ontodriver.jena.storage";
61: 
62:     /**
63:      * Plain file storage.
64:      *
65:      * @see #JENA_STORAGE_TYPE
66:      */
67:     public static final String FILE = "file";
68: 
69:     /**
70:      * In-memory storage.
71:      *
72:      * @see #JENA_STORAGE_TYPE
73:      */
74:     public static final String IN_MEMORY = "in-memory";
75: 
76:     /**
77:      * Jena TDB storage.
78:      *
79:      * @see #JENA_STORAGE_TYPE
80:      */
81:     public static final String TDB = "tdb";
82: 
83:     /**
84:      * Jena SDB storage.
85:      *
86:      * @see #JENA_STORAGE_TYPE
87:      */
88:     @Deprecated
89:     public static final String SDB = "sdb";
90: 
91:     /**
92:      * Jena Fuseki server.
93:      *
94:      * @see #JENA_STORAGE_TYPE
95:      */
96:     public static final String FUSEKI = "fuseki";
97: 
98:     /**
99:      * Parameter specifying whether the default graph should be treated as union of all the named graphs + the default graph.
100:      * <p>
101:      * Default graph being a union of all graphs is typical for storages like RDF4J, GraphDB, Virtuoso (querying without
102:      * graph queries across all graphs).
103:      * <p>
104:      * This parameter influences only querying/reading, it has no effect on write operations, which work with the default graph
105:      * as is in Jena.
106:      */
107:     public static final String JENA_TREAT_DEFAULT_GRAPH_AS_UNION = "cz.cvut.kbss.ontodriver.jena.default_graph_as_union";
108: 
109:     private JenaOntoDriverProperties() {
110:         throw new AssertionError();
111:     }
112: }