001package votorola.s.gwt.scene.feed.ss; // Copyright 2011, Michael Allan. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE. 002 003import com.google.gson.stream.*; 004import java.io.IOException; 005import java.sql.SQLException; 006import java.util.*; 007import javax.xml.stream.XMLStreamException; 008import votorola.a.count.*; 009import votorola.a.trust.*; 010import votorola.a.voter.*; 011import votorola.g.util.*; 012import votorola.s.gwt.scene.feed.*; 013 014import static votorola.g.util.ArrayListX.EMPTY_LIST; 015 016 017/** A mutable and serializeable person. 018 */ 019public final class PersonJig implements Person, SerialJig 020{ 021 022 023 /** Constructs a PersonJig. 024 * 025 * @param _bite the parent bite jig. 026 */ 027 public PersonJig( BiteJig _bite ) { bite = _bite; } 028 029 030 031 // ------------------------------------------------------------------------------------ 032 033 034 // adding fields? ensure they are cleared in serialize() 035 036 037 038 /** Fetches this person's count node and caches it for reuse. 039 * 040 * @see PollJig#count(PollService.VoteServerScope.Run) 041 * @throws NullPointerException if setUser() was not called 042 */ 043 public CountNodeW countNode( final Count count ) 044 throws NoSuchItem, SQLException, XMLStreamException 045 { 046 if( !isCountNodeFresh ) 047 { 048 if( user == null ) throw new NullPointerException(); // fail fast 049 050 if( countNode == null || !countNode.email().equals( user.email() )) 051 { 052 countNode = count.countTablePV().get( user.email() ); 053 } 054 isCountNodeFresh = true; 055 } 056 if( countNode == null ) throw new NoSuchItem( "countNode" ); 057 058 return countNode; 059 } 060 061 062 private CountNodeW countNode; 063 064 065 private boolean isCountNodeFresh; 066 067 068 069 /** Fetches this person's trace node and caches it for reuse. 070 * 071 * @throws NullPointerException if setUser() was not called 072 */ 073 public TraceNode traceNode( final NetworkTrace trace ) throws NoSuchItem, SQLException 074 { 075 if( !isTraceNodeFresh ) 076 { 077 if( user == null ) throw new NullPointerException(); // fail fast 078 079 if( traceNode == null || !traceNode.registrant().equals( user )) 080 { 081 traceNode = trace.traceNodeTable().get( user ); 082 } 083 084 isTraceNodeFresh = true; 085 } 086 if( traceNode == null ) throw new NoSuchItem( "traceNode" ); 087 088 return traceNode; 089 } 090 091 092 private TraceNode traceNode; 093 094 095 private boolean isTraceNodeFresh; 096 097 098 099 /** This person's user identifier, if it is known. 100 */ 101 public IDPair user() { return user; } 102 103 104 private IDPair user; 105 106 107 private void user( JsonWriter out ) throws IOException 108 { 109 if( user == null ) return; 110 111 out.name( "username" ).value( user.username() ); 112 user = null; 113 } 114 115 116 /** Sets the user identifier. 117 * 118 * @throws IllegalStateException if the user identifier was already set. 119 */ 120 public void setUser( IDPair _user ) 121 { 122 if( user != null ) throw new IllegalStateException( "user was already set" ); 123 124 user = _user; 125 } 126 127 128 129 // - P e r s o n ---------------------------------------------------------------------- 130 131 132 public byte dartSector() { return dartSector; } 133 134 135 private byte dartSector = -1; 136 137 138 private void dartSector( final JsonWriter out ) throws IOException 139 { 140 if( dartSector == -1 ) return; // unknown, this is the default in PersonJS 141 142 out.name( "dartSector" ).value( dartSector ); 143 dartSector = -1; 144 } 145 146 147 /** Sets the dart sector. 148 * 149 * @see #countNode(Count) 150 */ 151 public void setDartSector( final CountNodeW countNode ) 152 { 153 dartSector = countNode.dartSector(); 154 } 155 156 157 158 public ResidenceJig residence() { return residence; } 159 160 161 private ResidenceJig residence; 162 163 164 private void residence( final JsonWriter out ) throws IOException 165 { 166 if( residence == null ) return; 167 168 out.name( "residence" ); 169 residence.serialize( out ); 170 residence = null; 171 } 172 173 174 private ResidenceJig residenceC; 175 176 177 /** Ensures the residence is set to a jig and caches the jig for reuse. 178 * 179 * @return the jig that was set. 180 */ 181 public ResidenceJig setResidence() 182 { 183 if( residenceC == null ) residenceC = new ResidenceJig(); 184 185 residence = residenceC; 186 return residenceC; 187 } 188 189 190 191 public String username() { return user.username(); } 192 193 194 195 public List<PersonJig> voteTrace() { return voteTrace; } 196 197 198 private ArrayList<PersonJig> voteTrace = ArrayListX.emptyList(); // i.e. EMPTY_LIST 199 200 201 private boolean areVoteTracesFresh; 202 203 204 private void voteTrace( final JsonWriter out ) throws IOException 205 { 206 if( !areVoteTracesFresh ) return; // unknown, this is the default in PersonJS 207 208 out.name( "voteTrace" ); 209 out.beginArray(); 210 final int pN = voteTrace.size(); 211 for( int p = 1; p < pN; ++p ) voteTrace.get(p).serialize( out ); // ommiting zero, filled in by PersonJS 212 out.endArray(); 213 bite.encachePersons( voteTrace, 1 ); 214 } 215 216 217 /** Ensures the vote trace is set. 218 * 219 * @see #countNode(Count) 220 */ 221 public void setVoteTrace( final CountNodeW countNode ) 222 throws SQLException, XMLStreamException 223 { 224 if( areVoteTracesFresh ) return; 225 226 areVoteTracesFresh = true; // one shot, despite any exception below 227 final CountNodeW[] nodeTrace = countNode.trace(); 228 229 if( voteTrace == EMPTY_LIST ) voteTrace = new ArrayList<PersonJig>( 230 /*initial capacity*/Math.max( nodeTrace.length, 7 )); 231 final int nN = nodeTrace.length; 232 assert nodeTrace[0].email().equals( user.email() ); 233 voteTrace.add( PersonJig.this ); // origin 234 for( int n = 1; n < nN; ++n ) 235 { 236 final PersonJig candidate = bite.uncachePerson(); 237 voteTrace.add( candidate ); 238 final CountNodeW candidateNode = nodeTrace[n]; 239 candidate.setUser( candidateNode.person() ); 240 candidate.setDartSector( candidateNode ); 241 } 242 } 243 244 245 246 public List<PersonJig> voteTraceProjected() { return voteTraceProjected; } 247 248 249 private ArrayList<PersonJig> voteTraceProjected; 250 251 252 private void voteTraceProjected( final JsonWriter out ) throws IOException 253 { 254 if( voteTraceProjected == null ) return; // that is the default in PersonJS 255 256 out.name( "voteTraceProjected" ); 257 out.beginArray(); 258 final int pN = voteTraceProjected.size(); 259 for( int p = 1; p < pN; ++p ) voteTraceProjected.get(p).serialize( out ); // ommiting zero, filled in by PersonJS 260 out.endArray(); 261 bite.encachePersons( voteTraceProjected, 1 ); 262 voteTraceProjected = null; 263 } 264 265 266 private ArrayList<PersonJig> voteTraceProjectedC; 267 268 269 // /** Sets both vote traces from a trace pair. 270 // * 271 // * @throws IllegalStateException if it is detected that a trace was already 272 // * set. 273 // */ 274 // public void setVoteTraces( final CR_Vote.TracePair pair ) 275 // { 276 // setVoteTrace( pair.traceAtLastCount ); 277 // final CountNodeW[] newTrace = pair.traceProjected; 278 // if( newTrace == null ) return; 279 // 280 // if( voteTraceProjectedC == null ) voteTraceProjectedC = new ArrayList<PersonJig>( 281 // /*initial capacity*/Math.max( newTrace.length, 7 )); 282 // voteTraceProjected = voteTraceProjectedC; 283 // final int nN = newTrace.length; 284 // assert newTrace[0].voter().username().equals( username ); 285 // voteTrace.add( PersonJig.this ); // origin 286 // for( int n = 1; n < nN; ++n ) 287 // { 288 // final CountNodeW node = newTrace[n]; 289 // final PersonJig jig = bite.uncachePerson(); 290 // voteTraceProjected.add( jig ); 291 // jig.setUser( node.voter() ); 292 // } 293 // } 294 ///// update to take CountNodeW per setVoteTrace, so no cost if areVoteTracesFresh already 295 296 297 298 // - S e r i a l - J i g -------------------------------------------------------------- 299 300 301 public void serialize( final JsonWriter out ) throws IOException 302 { 303 out.beginObject(); 304 dartSector( out ); 305 residence( out ); 306 user( out ); 307 voteTrace( out ); 308 voteTraceProjected( out ); 309 out.endObject(); 310 311 isCountNodeFresh = false; 312 isTraceNodeFresh = false; 313 areVoteTracesFresh = false; 314 } 315 316 317 318//// P r i v a t e /////////////////////////////////////////////////////////////////////// 319 320 321 private final BiteJig bite; 322 323 324}