Source Code Cross Referenced for AttachCopyStateManager.java in  » Testing » PolePosition-0.20 » com » versant » core » jdo » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » PolePosition 0.20 » com.versant.core.jdo 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998 - 2005 Versant Corporation
003:         * All rights reserved. This program and the accompanying materials
004:         * are made available under the terms of the Eclipse Public License v1.0
005:         * which accompanies this distribution, and is available at
006:         * http://www.eclipse.org/legal/epl-v10.html
007:         *
008:         * Contributors:
009:         * Versant Corporation - initial API and implementation
010:         */
011:        package com.versant.core.jdo;
012:
013:        import com.versant.core.common.MapEntries;
014:        import com.versant.core.common.OID;
015:        import com.versant.core.common.State;
016:        import com.versant.core.metadata.FieldMetaData;
017:        import com.versant.core.metadata.MDStaticUtils;
018:        import com.versant.core.metadata.MDStatics;
019:
020:        import javax.jdo.PersistenceManager;
021:        import javax.jdo.spi.PersistenceCapable;
022:        import javax.jdo.spi.StateManager;
023:        import java.lang.reflect.Array;
024:        import java.util.*;
025:
026:        import com.versant.core.common.BindingSupportImpl;
027:
028:        /**
029:         *
030:         */
031:        public class AttachCopyStateManager implements  VersantStateManager {
032:
033:            private VersantPersistenceManagerImp pm;
034:            private State state;
035:            private FieldMetaData fmd;
036:
037:            public AttachCopyStateManager(VersantPersistenceManagerImp pm) {
038:                this .pm = pm;
039:            }
040:
041:            public void setState(State state) {
042:                this .state = state;
043:            }
044:
045:            public void setFieldMetaData(FieldMetaData fmd) {
046:                this .fmd = fmd;
047:            }
048:
049:            public byte replacingFlags(PersistenceCapable persistenceCapable) {
050:                return 0;
051:            }
052:
053:            public StateManager replacingStateManager(
054:                    PersistenceCapable persistenceCapable,
055:                    StateManager stateManager) {
056:                return stateManager;
057:            }
058:
059:            public boolean isDirty(PersistenceCapable persistenceCapable) {
060:                return ((VersantDetachable) persistenceCapable)
061:                        .versantIsDirty();
062:            }
063:
064:            public boolean isTransactional(PersistenceCapable persistenceCapable) {
065:                return false;
066:            }
067:
068:            public boolean isPersistent(PersistenceCapable persistenceCapable) {
069:                return false;
070:            }
071:
072:            public boolean isNew(PersistenceCapable persistenceCapable) {
073:                return getPcOID((VersantDetachable) persistenceCapable).isNew();
074:            }
075:
076:            public boolean isDeleted(PersistenceCapable persistenceCapable) {
077:                return false;
078:            }
079:
080:            public PersistenceManager getPersistenceManager(
081:                    PersistenceCapable persistenceCapable) {
082:                return null;
083:            }
084:
085:            public void makeDirty(PersistenceCapable persistenceCapable,
086:                    String s) {
087:                ((VersantDetachable) persistenceCapable).versantMakeDirty(s);
088:            }
089:
090:            public Object getObjectId(PersistenceCapable persistenceCapable) {
091:                return getPcOID((VersantDetachable) persistenceCapable);
092:            }
093:
094:            public Object getTransactionalObjectId(
095:                    PersistenceCapable persistenceCapable) {
096:                return null;
097:            }
098:
099:            public boolean isLoaded(PersistenceCapable persistenceCapable, int i) {
100:                return ((VersantDetachable) persistenceCapable)
101:                        .versantIsLoaded(i);
102:            }
103:
104:            public void preSerialize(PersistenceCapable persistenceCapable) {
105:
106:            }
107:
108:            public boolean getBooleanField(
109:                    PersistenceCapable persistenceCapable, int i, boolean b) {
110:                return b;
111:            }
112:
113:            public char getCharField(PersistenceCapable persistenceCapable,
114:                    int i, char c) {
115:                return c;
116:            }
117:
118:            public byte getByteField(PersistenceCapable persistenceCapable,
119:                    int i, byte b) {
120:                return b;
121:            }
122:
123:            public short getShortField(PersistenceCapable persistenceCapable,
124:                    int i, short i1) {
125:                return i1;
126:            }
127:
128:            public int getIntField(PersistenceCapable persistenceCapable,
129:                    int i, int i1) {
130:                return i1;
131:            }
132:
133:            public long getLongField(PersistenceCapable persistenceCapable,
134:                    int i, long l) {
135:                return l;
136:            }
137:
138:            public float getFloatField(PersistenceCapable persistenceCapable,
139:                    int i, float v) {
140:                return v;
141:            }
142:
143:            public double getDoubleField(PersistenceCapable persistenceCapable,
144:                    int i, double v) {
145:                return v;
146:            }
147:
148:            public String getStringField(PersistenceCapable persistenceCapable,
149:                    int i, String s) {
150:                return s;
151:            }
152:
153:            public Object getObjectField(PersistenceCapable persistenceCapable,
154:                    int i, Object o) {
155:                return o;
156:            }
157:
158:            public void setBooleanField(PersistenceCapable persistenceCapable,
159:                    int i, boolean b, boolean b1) {
160:            }
161:
162:            public void setCharField(PersistenceCapable persistenceCapable,
163:                    int i, char c, char c1) {
164:            }
165:
166:            public void setByteField(PersistenceCapable persistenceCapable,
167:                    int i, byte b, byte b1) {
168:            }
169:
170:            public void setShortField(PersistenceCapable persistenceCapable,
171:                    int i, short i1, short i2) {
172:            }
173:
174:            public void setIntField(PersistenceCapable persistenceCapable,
175:                    int i, int i1, int i2) {
176:            }
177:
178:            public void setLongField(PersistenceCapable persistenceCapable,
179:                    int i, long l, long l1) {
180:            }
181:
182:            public void setFloatField(PersistenceCapable persistenceCapable,
183:                    int i, float v, float v1) {
184:            }
185:
186:            public void setDoubleField(PersistenceCapable persistenceCapable,
187:                    int i, double v, double v1) {
188:            }
189:
190:            public void setStringField(PersistenceCapable persistenceCapable,
191:                    int i, String s, String s1) {
192:            }
193:
194:            public void setObjectField(PersistenceCapable persistenceCapable,
195:                    int i, Object o, Object o1) {
196:            }
197:
198:            public void providedBooleanField(
199:                    PersistenceCapable persistenceCapable, int i, boolean b) {
200:                state.setBooleanFieldAbs(i, b);
201:            }
202:
203:            public void providedCharField(
204:                    PersistenceCapable persistenceCapable, int i, char c) {
205:                state.setCharFieldAbs(i, c);
206:            }
207:
208:            public void providedByteField(
209:                    PersistenceCapable persistenceCapable, int i, byte b) {
210:                state.setByteFieldAbs(i, b);
211:            }
212:
213:            public void providedShortField(
214:                    PersistenceCapable persistenceCapable, int i, short i1) {
215:                state.setShortFieldAbs(i, i1);
216:            }
217:
218:            public void providedIntField(PersistenceCapable persistenceCapable,
219:                    int i, int i1) {
220:                state.setIntFieldAbs(i, i1);
221:            }
222:
223:            public void providedLongField(
224:                    PersistenceCapable persistenceCapable, int i, long l) {
225:                state.setLongFieldAbs(i, l);
226:            }
227:
228:            public void providedFloatField(
229:                    PersistenceCapable persistenceCapable, int i, float v) {
230:                state.setFloatFieldAbs(i, v);
231:            }
232:
233:            public void providedDoubleField(
234:                    PersistenceCapable persistenceCapable, int i, double v) {
235:                state.setDoubleFieldAbs(i, v);
236:            }
237:
238:            public void providedStringField(
239:                    PersistenceCapable persistenceCapable, int i, String s) {
240:                state.setStringFieldAbs(i, s);
241:            }
242:
243:            public void providedObjectField(
244:                    PersistenceCapable persistenceCapable, int i, Object o) {
245:                if (o == null) {
246:                    state.setObjectFieldAbs(i, o);
247:                } else {
248:                    state.setObjectFieldAbs(i, getUnresolved(o));
249:                }
250:            }
251:
252:            private Object getUnresolved(Object o) {
253:                switch (fmd.category) {
254:                case MDStatics.CATEGORY_COLLECTION:
255:                    if (o instanceof  Collection) {
256:                        Collection col = (Collection) o;
257:                        ArrayList oids = new ArrayList(col.size());
258:                        if (fmd.isElementTypePC()) {
259:                            for (Iterator it = col.iterator(); it.hasNext();) {
260:                                VersantDetachable detachable = (VersantDetachable) it
261:                                        .next();
262:                                oids.add(getPC(detachable));
263:                            }
264:                        } else {
265:                            oids.addAll(col);
266:                        }
267:                        col = createNewCol();
268:                        col.addAll(oids);
269:                        return col;
270:                    }
271:                    break;
272:                case MDStatics.CATEGORY_ARRAY:
273:                    if (!o.getClass().isArray())
274:                        return o;
275:                    Class type = o.getClass().getComponentType();
276:                    int length = Array.getLength(o);
277:                    Object newArray = Array.newInstance(type, length);
278:                    System.arraycopy(o, 0, newArray, 0, length);
279:                    if (fmd.isElementTypePC()) {
280:                        Object[] objects = (Object[]) newArray;
281:                        for (int i = 0; i < objects.length; i++) {
282:                            objects[i] = getPC((VersantDetachable) objects[i]);
283:                        }
284:                    }
285:                    return newArray;
286:                case MDStatics.CATEGORY_MAP:
287:                    if (o instanceof  Map) {
288:                        MapEntries entries = new MapEntries();
289:                        Map map = (Map) o;
290:                        int size = map.size();
291:                        entries.keys = new Object[size];
292:                        entries.values = new Object[size];
293:                        int x = 0;
294:                        for (Iterator it = map.keySet().iterator(); it
295:                                .hasNext();) {
296:                            Object o1 = (Object) it.next();
297:                            if (fmd.isKeyTypePC()) {
298:                                entries.keys[x] = getPC((VersantDetachable) o1);
299:                            } else {
300:                                entries.keys[x] = o1;
301:                            }
302:                            if (fmd.isElementTypePC()) {
303:                                entries.values[x] = getPC((VersantDetachable) map
304:                                        .get(o1));
305:                            } else {
306:                                entries.values[x] = map.get(o1);
307:                            }
308:                            x++;
309:                        }
310:                        map = createNewMap();
311:                        length = entries.keys.length;
312:                        for (int i = 0; i < length; i++) {
313:                            Object key = entries.keys[i];
314:                            Object value = entries.values[i];
315:                            map.put(key, value);
316:                        }
317:                        return map;
318:                    }
319:                    break;
320:                case MDStatics.CATEGORY_REF:
321:                case MDStatics.CATEGORY_POLYREF:
322:                    VersantDetachable detachable = (VersantDetachable) o;
323:                    return getPC(detachable);
324:                }
325:                return o;
326:            }
327:
328:            private Object getPC(VersantDetachable detachable) {
329:                OID pcOID = getPcOID(detachable);
330:                return pm.getObjectById(pcOID, false);
331:            }
332:
333:            private Map createNewMap() {
334:                switch (fmd.typeCode) {
335:                case MDStatics.MAP:
336:                case MDStatics.HASHMAP:
337:                    return new HashMap();
338:                case MDStatics.HASHTABLE:
339:                    return new Hashtable();
340:                case MDStatics.TREEMAP:
341:                case MDStatics.SORTEDMAP:
342:                    return new TreeMap();
343:                default:
344:                    throw BindingSupportImpl.getInstance().notImplemented(
345:                            "Creating a Map instance for field "
346:                                    + fmd.getName() + " of type "
347:                                    + MDStaticUtils.toSimpleName(fmd.typeCode)
348:                                    + " is not supported");
349:                }
350:            }
351:
352:            private Collection createNewCol() {
353:                switch (fmd.typeCode) {
354:                case MDStatics.HASHSET:
355:                case MDStatics.SET:
356:                    return new HashSet();
357:                case MDStatics.TREESET:
358:                case MDStatics.SORTEDSET:
359:                    return new TreeSet();
360:                case MDStatics.COLLECTION:
361:                case MDStatics.LIST:
362:                case MDStatics.ARRAYLIST:
363:                    return new ArrayList();
364:                case MDStatics.LINKEDLIST:
365:                    return new LinkedList();
366:                case MDStatics.VECTOR:
367:                    return new Vector();
368:                default:
369:                    throw BindingSupportImpl.getInstance().notImplemented(
370:                            "Creating a Collection instance for field "
371:                                    + fmd.getName() + " of type "
372:                                    + MDStaticUtils.toSimpleName(fmd.typeCode)
373:                                    + " is not supported");
374:                }
375:            }
376:
377:            public boolean replacingBooleanField(
378:                    PersistenceCapable persistenceCapable, int i) {
379:                return false;
380:            }
381:
382:            public char replacingCharField(
383:                    PersistenceCapable persistenceCapable, int i) {
384:                return 0;
385:            }
386:
387:            public byte replacingByteField(
388:                    PersistenceCapable persistenceCapable, int i) {
389:                return 0;
390:            }
391:
392:            public short replacingShortField(
393:                    PersistenceCapable persistenceCapable, int i) {
394:                return 0;
395:            }
396:
397:            public int replacingIntField(PersistenceCapable persistenceCapable,
398:                    int i) {
399:                return 0;
400:            }
401:
402:            public long replacingLongField(
403:                    PersistenceCapable persistenceCapable, int i) {
404:                return 0;
405:            }
406:
407:            public float replacingFloatField(
408:                    PersistenceCapable persistenceCapable, int i) {
409:                return 0;
410:            }
411:
412:            public double replacingDoubleField(
413:                    PersistenceCapable persistenceCapable, int i) {
414:                return 0;
415:            }
416:
417:            public String replacingStringField(
418:                    PersistenceCapable persistenceCapable, int i) {
419:                return null;
420:            }
421:
422:            public Object replacingObjectField(
423:                    PersistenceCapable persistenceCapable, int i) {
424:                return null;
425:            }
426:
427:            public void fillNewAppPKField(int fieldNo) {
428:            }
429:
430:            public void makeDirty(PersistenceCapable pc, int managedFieldNo) {
431:                ((VersantDetachable) pc).versantMakeDirty(managedFieldNo);
432:            }
433:
434:            private OID getPcOID(VersantDetachable persistenceCapable) {
435:                return pm.getOID(persistenceCapable);
436:            }
437:
438:            public OID getOID() {
439:                return null;
440:            }
441:
442:            public PersistenceCapable getPersistenceCapable() {
443:                return null;
444:            }
445:
446:        }
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