Source Code Cross Referenced for ActivityInstance.java in  » Workflow-Engines » obe-1.0 » org » obe » spi » model » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » obe 1.0 » org.obe.spi.model 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*--
002:
003:         Copyright (C) 2002-2005 Adrian Price.
004:         All rights reserved.
005:
006:         Redistribution and use in source and binary forms, with or without
007:         modification, are permitted provided that the following conditions
008:         are met:
009:
010:         1. Redistributions of source code must retain the above copyright
011:            notice, this list of conditions, and the following disclaimer.
012:
013:         2. Redistributions in binary form must reproduce the above copyright
014:            notice, this list of conditions, and the disclaimer that follows
015:            these conditions in the documentation and/or other materials
016:            provided with the distribution.
017:
018:         3. The names "OBE" and "Open Business Engine" must not be used to
019:         	endorse or promote products derived from this software without prior
020:         	written permission.  For written permission, please contact
021:         	adrianprice@sourceforge.net.
022:
023:         4. Products derived from this software may not be called "OBE" or
024:         	"Open Business Engine", nor may "OBE" or "Open Business Engine"
025:         	appear in their name, without prior written permission from
026:         	Adrian Price (adrianprice@users.sourceforge.net).
027:
028:         THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
029:         WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
030:         OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
031:         DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
032:         INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
033:         (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
034:         SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
035:         HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
036:         STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
037:         IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
038:         POSSIBILITY OF SUCH DAMAGE.
039:
040:         For more information on OBE, please see
041:         <http://obe.sourceforge.net/>.
042:
043:         */
044:
045:        package org.obe.spi.model;
046:
047:        import org.obe.client.api.model.ActivityInstanceAttributes;
048:        import org.obe.util.ClassUtils;
049:
050:        import java.beans.PropertyDescriptor;
051:        import java.util.Collection;
052:        import java.util.Date;
053:
054:        /**
055:         * Holds the persistent state of an activity instance.  This interface
056:         * uses only standard Java data types; it does not need to know about
057:         * WAPI data types - conversions are handled externally to the persistence
058:         * service.  No parameter validation need be performed by implementations.
059:         *
060:         * @author Adrian Price
061:         * @see ActivityInstanceAttributes
062:         */
063:        public interface ActivityInstance extends AttributedEntity {
064:            /**
065:             * Property descriptors for ActivityInstance.
066:             * <em>N.B. DO NOT WRITE TO THIS ARRAY!!!</em>
067:             */
068:            PropertyDescriptor[] propertyDescriptors = ClassUtils.introspect(
069:                    ActivityInstance.class, AttributedEntity.class);
070:
071:            /**
072:             * Attributes for ActivityInstance.
073:             * <em>N.B. DO NOT WRITE TO THIS ARRAY!!!</em>
074:             */
075:            String[] attributes = ClassUtils
076:                    .getPropertyNames(propertyDescriptors);
077:
078:            String getActivityDefinitionId();
079:
080:            String getActivityInstanceId();
081:
082:            /**
083:             * Returns the ID of the encompassing block activity instance.
084:             * N.B. This returns the activity instance ID, not the ActivitySet ID.
085:             *
086:             * @return The block activity instance ID, or <code>null</code> if this
087:             *         activity is not defined within an activity set.
088:             */
089:            String getBlockActivityInstanceId();
090:
091:            /**
092:             * Returns an iterator for the block activity owned by the instance.
093:             * The iterator returned is persistence-capable, and can resume iteration
094:             * through a supplied array.  This feature is required to support the
095:             * ForEach, Until, and While explicit iteration constructs in an
096:             * asynchronous mode.
097:             *
098:             * @return A persistent iterator.
099:             * @see PersistentIterator
100:             */
101:            PersistentIterator getBlockActivityIterator();
102:
103:            int getState();
104:
105:            void setState(int state);
106:
107:            int getPriority();
108:
109:            void setPriority(int priority);
110:
111:            Date getStartedDate();
112:
113:            void setStartedDate(Date startedDate);
114:
115:            Date getCompletedDate();
116:
117:            void setCompletedDate(Date completedDate);
118:
119:            Date getTargetDate();
120:
121:            void setTargetDate(Date targetDate);
122:
123:            Date getDueDate();
124:
125:            void setDueDate(Date dueDate);
126:
127:            JoinInstance getJoin();
128:
129:            String getName();
130:
131:            void setName(String name);
132:
133:            String[] getParticipants();
134:
135:            void setParticipants(String[] participants);
136:
137:            /**
138:             * Returns the process instance to which this activity belongs.
139:             *
140:             * @return The process instance.
141:             */
142:            ProcessInstance getProcessInstance();
143:
144:            /**
145:             * Returns a collection of sub-process instance(s) associated
146:             * with a SubFlow-implementation activity. For synchronous
147:             * sub-flow activities, the collection will contain at most one open process
148:             * instance; any others will be in the closed state.  Asynchronous subflow
149:             * activities can have any number of open subflow instances.  Only subflow
150:             * activities in loops will have multiple child process instances.
151:             *
152:             * @return An immutable collection of process instances.
153:             */
154:            Collection getChildProcessInstances();
155:
156:            //    /**
157:            //     * Creates a sub-process instance as a child of this activity instance.
158:            //     *
159:            //     * @param processDefinitionId The ID of the subflow's process definition.
160:            //     * @param instanceName The name of the subflow process instance.
161:            //     * @param priority The subflow process priority.
162:            //     * @param state The subflow process state.
163:            //     * @param createdDate The date/time of subflow process creation.
164:            //     * @param startedDate The date/time at which the subflow was started.
165:            //     * @param participants The participants for the subflow.
166:            //     * @return The child sub-flow.
167:            //     * @throws RepositoryException
168:            //     */
169:            //    ProcessInstance addChildProcessInstance(String processDefinitionId,
170:            //        String instanceName, int priority, int state, Date createdDate,
171:            //        Date startedDate, String[] participants) throws RepositoryException;
172:
173:            /**
174:             * Returns a collection of work items for this activity.
175:             *
176:             * @return An immutable collection of work items.
177:             */
178:            Collection getWorkItems();
179:
180:            //    /**
181:            //     * Creates a new work item for this activity.
182:            //     *
183:            //     * @param state
184:            //     * @param performer
185:            //     * @param participant
186:            //     * @return A new WorkItem object
187:            //     * @throws RepositoryException
188:            //     */
189:            //    WorkItem addWorkItem(int state, String performer, String participant)
190:            //        throws RepositoryException;
191:        }
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