Source Code Cross Referenced for DefaultParticipant.java in  » Workflow-Engines » wfmopen-2.1.1 » de » danet » an » workflow » domain » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » wfmopen 2.1.1 » de.danet.an.workflow.domain 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * This file is part of the WfMOpen project.
003:         * Copyright (C) 2001-2003 Danet GmbH (www.danet.de), GS-AN.
004:         * All rights reserved.
005:         *
006:         * This program is free software; you can redistribute it and/or modify
007:         * it under the terms of the GNU General Public License as published by
008:         * the Free Software Foundation; either version 2 of the License, or
009:         * (at your option) any later version.
010:         *
011:         * This program is distributed in the hope that it will be useful,
012:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014:         * GNU General Public License for more details.
015:         *
016:         * You should have received a copy of the GNU General Public License
017:         * along with this program; if not, write to the Free Software
018:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
019:         *
020:         * $Id: DefaultParticipant.java,v 1.4 2007/05/03 21:58:18 mlipp Exp $
021:         *
022:         * $Log: DefaultParticipant.java,v $
023:         * Revision 1.4  2007/05/03 21:58:18  mlipp
024:         * Internal refactoring for making better use of local EJBs.
025:         *
026:         * Revision 1.3  2007/02/27 14:34:15  drmlipp
027:         * Some refactoring to reduce cyclic dependencies.
028:         *
029:         * Revision 1.2  2006/09/29 12:32:08  drmlipp
030:         * Consistently using WfMOpen as projct name now.
031:         *
032:         * Revision 1.1.1.1  2003/06/30 20:05:15  drmlipp
033:         * Initial import
034:         *
035:         * Revision 1.16  2003/06/27 08:51:45  lipp
036:         * Fixed copyright/license information.
037:         *
038:         * Revision 1.15  2003/04/25 20:12:22  lipp
039:         * Removed old "constructor".
040:         *
041:         * Revision 1.14  2003/04/25 20:05:32  lipp
042:         * Retrieving participants from SAX now.
043:         *
044:         * Revision 1.13  2003/04/24 20:50:13  lipp
045:         * Fixed some warnings.
046:         *
047:         * Revision 1.12  2003/03/31 16:50:28  huaiyang
048:         * Logging using common-logging.
049:         *
050:         * Revision 1.11  2003/03/28 12:44:08  lipp
051:         * Moved XPDL related constants to XPDLUtil.
052:         *
053:         * Revision 1.10  2002/12/19 21:37:43  lipp
054:         * Reorganized interfaces.
055:         *
056:         * Revision 1.9  2002/09/27 11:27:22  huaiyang
057:         * Use fromString method to construct the object of participant type.
058:         *
059:         * Revision 1.8  2002/09/11 06:33:32  huaiyang
060:         * Remove the variable of prefix.
061:         *
062:         * Revision 1.7  2002/09/02 12:24:03  huaiyang
063:         * Use namespace in parsing.
064:         *
065:         * Revision 1.6  2002/08/30 07:58:19  huaiyang
066:         * Separation of Domain class and persistent class more cleaner.
067:         *
068:         * Revision 1.5  2002/08/26 14:17:07  lipp
069:         * JavaDoc fixes.
070:         *
071:         * Revision 1.4  2002/08/20 13:46:13  lipp
072:         * Using xpath now to extract additional process information from xpdl.
073:         *
074:         * Revision 1.3  2002/07/24 08:04:42  huaiyang
075:         * doccheck.
076:         *
077:         * Revision 1.2  2002/05/16 19:47:48  lipp
078:         * Proper usage of constructingSAXHandler.
079:         *
080:         * Revision 1.1  2002/01/29 14:49:34  huaiyang
081:         * Taken from the class Participant to seperate the the interface and specific
082:         * usage.
083:         *
084:         * 
085:         */
086:        package de.danet.an.workflow.domain;
087:
088:        import org.xml.sax.Attributes;
089:        import org.xml.sax.SAXException;
090:
091:        import de.danet.an.util.sax.StackedHandler;
092:        import de.danet.an.workflow.api.Participant;
093:
094:        /**
095:         * This class defines the handler for a participant.
096:         */
097:        public class DefaultParticipant implements  Participant {
098:
099:            private static final org.apache.commons.logging.Log logger = org.apache.commons.logging.LogFactory
100:                    .getLog(DefaultParticipant.class);
101:
102:            // Identifier of the participant
103:            private String id = null;
104:
105:            // Name of the participant
106:            private String name = null;
107:
108:            // Type of the participant
109:            private ParticipantType participantType = null;
110:
111:            // Type of the participant
112:            private Object resourceSelection = null;
113:
114:            /**
115:             * Construct a new <code>DefaultParticipant</code>.
116:             * @param id identifier of the participant in String
117:             * @param name name of the participant in String
118:             * @param type type of the participant
119:             * @param resSel an object that describes resource selection criteria.
120:             * The paramter may be <code>null</code>.
121:             */
122:            public DefaultParticipant(String id, String name,
123:                    ParticipantType type, Object resSel) {
124:                this .id = id;
125:                this .name = name;
126:                this .participantType = type;
127:                this .resourceSelection = resSel;
128:            }
129:
130:            /**
131:             * Get the id of the participant.
132:             * @return a String representing the id value
133:             */
134:            public String getId() {
135:                return id;
136:            }
137:
138:            /**
139:             * Get the name of the participant.
140:             * @return a String representing the name value
141:             */
142:            public String getName() {
143:                return name;
144:            }
145:
146:            /**
147:             * Get the type of the participant.
148:             * @return a ParticipantType object representing the participant type value
149:             */
150:            public ParticipantType getParticipantType() {
151:                return participantType;
152:            }
153:
154:            /**
155:             * Get the additional resource selection information passed to the
156:             * constructor.
157:             * @return an Object representing the resource selection value
158:             */
159:            public Object getResourceSelection() {
160:                return resourceSelection;
161:            }
162:
163:            /**
164:             * Helper class for retrieving the applications from the process
165:             * definition.
166:             */
167:            public static class SAXInitializer extends StackedHandler {
168:
169:                private String id = null;
170:                private String name = null;
171:                private ParticipantType type = null;
172:                private Object resSel = null;
173:
174:                /**
175:                 * Receive notification of the beginning of an element.
176:                 *
177:                 * @param uri the Namespace URI, or the empty string if the
178:                 * element has no Namespace URI or if Namespace processing is not
179:                 * being performed.
180:                 * @param loc the local name (without prefix), or the empty string
181:                 * if Namespace processing is not being performed.
182:                 * @param raw the raw XML 1.0 name (with prefix), or the empty
183:                 * string if raw names are not available.
184:                 * @param a the attributes attached to the element. If there are
185:                 * no attributes, it shall be an empty Attributes object.
186:                 * @throws SAXException not thrown.
187:                 */
188:                public void startElement(String uri, String loc, String raw,
189:                        Attributes a) throws SAXException {
190:                    if (loc.equals("Participant")) {
191:                        id = a.getValue("Id");
192:                        name = a.getValue("Name");
193:                    } else if (loc.equals("ParticipantType")) {
194:                        type = ParticipantType.fromString(a.getValue("Type"));
195:                    } else if (loc.equals("ExtendedAttribute")
196:                            && a.getValue("Name") != null
197:                            && a.getValue("Name").equals("resource-selection")) {
198:                        resSel = a.getValue("Value");
199:                        logger.debug("resource-selection: " + resSel);
200:                    }
201:                }
202:
203:                /**
204:                 * Receive notification of the end of an element.
205:                 *
206:                 * @param uri the Namespace URI, or the empty string if the
207:                 * element has no Namespace URI or if Namespace processing is not
208:                 * being performed.
209:                 * @param loc the local name (without prefix), or the empty string
210:                 * if Namespace processing is not being performed.
211:                 * @param raw the raw XML 1.0 name (with prefix), or the empty
212:                 * string if raw names are not available.
213:                 * @throws SAXException not thrown.
214:                 */
215:                public void endElement(String uri, String loc, String raw)
216:                        throws SAXException {
217:                    if (loc.equals("Participant")) {
218:                        getStack().setContextData("Participant",
219:                                new DefaultParticipant(id, name, type, resSel));
220:                    }
221:                }
222:            }
223:        }
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