1 /*
2 * ModeShape (http://www.modeshape.org)
3 * See the COPYRIGHT.txt file distributed with this work for information
4 * regarding copyright ownership. Some portions may be licensed
5 * to Red Hat, Inc. under one or more contributor license agreements.
6 * See the AUTHORS.txt file in the distribution for a full listing of
7 * individual contributors.
8 *
9 * ModeShape is free software. Unless otherwise indicated, all code in ModeShape
10 * is licensed to you under the terms of the GNU Lesser General Public License as
11 * published by the Free Software Foundation; either version 2.1 of
12 * the License, or (at your option) any later version.
13 *
14 * ModeShape is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this software; if not, write to the Free
21 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
23 */
24 package org.modeshape.connector.infinispan;
25
26 import java.util.Set;
27 import java.util.UUID;
28 import java.util.concurrent.locks.Lock;
29 import net.jcip.annotations.NotThreadSafe;
30 import org.infinispan.Cache;
31 import org.modeshape.graph.ExecutionContext;
32 import org.modeshape.graph.connector.base.MapTransaction;
33 import org.modeshape.graph.property.Property;
34 import org.modeshape.graph.property.Path.Segment;
35 import org.modeshape.graph.request.InvalidWorkspaceException;
36
37 /**
38 *
39 */
40 @NotThreadSafe
41 public class InfinispanTransaction extends MapTransaction<InfinispanNode, InfinispanWorkspace> {
42
43 private final InfinispanRepository repository;
44 private final Lock lock;
45
46 protected InfinispanTransaction( ExecutionContext context,
47 InfinispanRepository repository,
48 UUID rootNodeUuid,
49 Lock lock ) {
50 super(context, repository, rootNodeUuid);
51 this.repository = repository;
52 this.lock = lock;
53 }
54
55 /**
56 * {@inheritDoc}
57 *
58 * @see org.modeshape.graph.connector.base.Transaction#getWorkspaceNames()
59 */
60 @Override
61 public Set<String> getWorkspaceNames() {
62 return repository.getWorkspaceNames();
63 }
64
65 /**
66 * {@inheritDoc}
67 *
68 * @see org.modeshape.graph.connector.base.Transaction#getWorkspace(java.lang.String,
69 * org.modeshape.graph.connector.base.Workspace)
70 */
71 public InfinispanWorkspace getWorkspace( String name,
72 InfinispanWorkspace originalToClone ) {
73 Cache<UUID, InfinispanNode> workspaceCache = repository.getCacheManager().getCache(name);
74 if (workspaceCache == null) {
75 String msg = InfinispanConnectorI18n.unableToCreateWorkspace.text(name, repository.getSourceName());
76 throw new InvalidWorkspaceException(msg);
77 }
78 if (originalToClone != null) {
79 return new InfinispanWorkspace(name, workspaceCache, originalToClone);
80 }
81 return new InfinispanWorkspace(name, workspaceCache, new InfinispanNode(repository.getRootNodeUuid()));
82 }
83
84 /**
85 * {@inheritDoc}
86 *
87 * @see org.modeshape.graph.connector.base.Transaction#destroyWorkspace(org.modeshape.graph.connector.base.Workspace)
88 */
89 public boolean destroyWorkspace( InfinispanWorkspace workspace ) {
90 // Can't seem to tell Infinispan to destroy the cache, so perhaps we should destroy all the content ...
91 workspace.destroy();
92 return true;
93 }
94
95 /**
96 * {@inheritDoc}
97 *
98 * @see org.modeshape.graph.connector.base.MapTransaction#createNode(java.util.UUID,
99 * org.modeshape.graph.property.Path.Segment, java.util.UUID, java.lang.Iterable)
100 */
101 @Override
102 protected InfinispanNode createNode( UUID uuid,
103 Segment name,
104 UUID parentUuid,
105 Iterable<Property> properties ) {
106 return new InfinispanNode(uuid, name, parentUuid, properties, null);
107 }
108
109 /**
110 * {@inheritDoc}
111 *
112 * @see org.modeshape.graph.connector.base.Transaction#commit()
113 */
114 @Override
115 public void commit() {
116 try {
117 super.commit();
118 } finally {
119 lock.unlock();
120 }
121 }
122
123 /**
124 * {@inheritDoc}
125 *
126 * @see org.modeshape.graph.connector.base.Transaction#rollback()
127 */
128 @Override
129 public void rollback() {
130 try {
131 super.rollback();
132 } finally {
133 lock.unlock();
134 }
135 }
136
137 }