001 /*
002 * JBoss, Home of Professional Open Source.
003 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
004 * as indicated by the @author tags. See the copyright.txt file in the
005 * distribution for a full listing of individual contributors.
006 *
007 * This is free software; you can redistribute it and/or modify it
008 * under the terms of the GNU Lesser General Public License as
009 * published by the Free Software Foundation; either version 2.1 of
010 * the License, or (at your option) any later version.
011 *
012 * This software is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this software; if not, write to the Free
019 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021 */
022 package org.jboss.dna.graph.commands.executor;
023
024 import org.jboss.dna.graph.ExecutionContext;
025 import org.jboss.dna.graph.commands.CompositeCommand;
026 import org.jboss.dna.graph.commands.CopyBranchCommand;
027 import org.jboss.dna.graph.commands.CopyNodeCommand;
028 import org.jboss.dna.graph.commands.CreateNodeCommand;
029 import org.jboss.dna.graph.commands.DeleteBranchCommand;
030 import org.jboss.dna.graph.commands.GetChildrenCommand;
031 import org.jboss.dna.graph.commands.GetNodeCommand;
032 import org.jboss.dna.graph.commands.GetPropertiesCommand;
033 import org.jboss.dna.graph.commands.GraphCommand;
034 import org.jboss.dna.graph.commands.MoveBranchCommand;
035 import org.jboss.dna.graph.commands.RecordBranchCommand;
036 import org.jboss.dna.graph.commands.SetPropertiesCommand;
037 import org.jboss.dna.graph.connectors.RepositorySource;
038 import org.jboss.dna.graph.connectors.RepositorySourceException;
039 import org.jboss.dna.graph.properties.DateTime;
040
041 /**
042 * @author Randall Hauch
043 */
044 public class NoOpCommandExecutor extends AbstractCommandExecutor {
045
046 /**
047 * Create a command executor that does nothing.
048 *
049 * @param context the execution context in which the executor will be run; may not be null
050 * @param sourceName the name of the {@link RepositorySource} that is making use of this executor; may not be null or empty
051 */
052 public NoOpCommandExecutor( ExecutionContext context,
053 String sourceName ) {
054 super(context, sourceName);
055 }
056
057 /**
058 * Create a command executor that does nothing.
059 *
060 * @param context the execution context in which the executor will be run; may not be null
061 * @param sourceName the name of the {@link RepositorySource} that is making use of this executor; may not be null or empty
062 * @param now the current time; may be null if the system time is to be used
063 */
064 public NoOpCommandExecutor( ExecutionContext context,
065 String sourceName,
066 DateTime now ) {
067 super(context, sourceName, now);
068 }
069
070 /**
071 * {@inheritDoc}
072 *
073 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.GraphCommand)
074 */
075 @Override
076 public void execute( GraphCommand command ) throws RepositorySourceException {
077 // do nothing
078 }
079
080 /**
081 * {@inheritDoc}
082 *
083 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.CompositeCommand)
084 */
085 @Override
086 public void execute( CompositeCommand command ) throws RepositorySourceException {
087 // do nothing
088 }
089
090 /**
091 * {@inheritDoc}
092 *
093 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.GetNodeCommand)
094 */
095 @Override
096 public void execute( GetNodeCommand command ) throws RepositorySourceException {
097 // do nothing
098 }
099
100 /**
101 * {@inheritDoc}
102 *
103 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.CopyBranchCommand)
104 */
105 @Override
106 public void execute( CopyBranchCommand command ) throws RepositorySourceException {
107 // do nothing
108 }
109
110 /**
111 * {@inheritDoc}
112 *
113 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.CopyNodeCommand)
114 */
115 @Override
116 public void execute( CopyNodeCommand command ) throws RepositorySourceException {
117 // do nothing
118 }
119
120 /**
121 * {@inheritDoc}
122 *
123 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.CreateNodeCommand)
124 */
125 @Override
126 public void execute( CreateNodeCommand command ) throws RepositorySourceException {
127 // do nothing
128 }
129
130 /**
131 * {@inheritDoc}
132 *
133 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.DeleteBranchCommand)
134 */
135 @Override
136 public void execute( DeleteBranchCommand command ) throws RepositorySourceException {
137 // do nothing
138 }
139
140 /**
141 * {@inheritDoc}
142 *
143 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.GetChildrenCommand)
144 */
145 @Override
146 public void execute( GetChildrenCommand command ) throws RepositorySourceException {
147 // do nothing
148 }
149
150 /**
151 * {@inheritDoc}
152 *
153 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.GetPropertiesCommand)
154 */
155 @Override
156 public void execute( GetPropertiesCommand command ) throws RepositorySourceException {
157 // do nothing
158 }
159
160 /**
161 * {@inheritDoc}
162 *
163 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.MoveBranchCommand)
164 */
165 @Override
166 public void execute( MoveBranchCommand command ) throws RepositorySourceException {
167 // do nothing
168 }
169
170 /**
171 * {@inheritDoc}
172 *
173 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.RecordBranchCommand)
174 */
175 @Override
176 public void execute( RecordBranchCommand command ) throws RepositorySourceException {
177 // do nothing
178 }
179
180 /**
181 * {@inheritDoc}
182 *
183 * @see org.jboss.dna.graph.commands.executor.AbstractCommandExecutor#execute(org.jboss.dna.graph.commands.SetPropertiesCommand)
184 */
185 @Override
186 public void execute( SetPropertiesCommand command ) throws RepositorySourceException {
187 // do nothing
188 }
189 }