Source Code Cross Referenced for Entity.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » amber » entity » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.amber.entity 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License as published by
011:         * the Free Software Foundation; either version 2 of the License, or
012:         * (at your option) any later version.
013:         *
014:         * Resin Open Source is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
018:         * details.
019:         *
020:         * You should have received a copy of the GNU General Public License
021:         * along with Resin Open Source; if not, write to the
022:         *
023:         *   Free Software Foundation, Inc.
024:         *   59 Temple Place, Suite 330
025:         *   Boston, MA 02111-1307  USA
026:         *
027:         * @author Scott Ferguson
028:         */
029:
030:        package com.caucho.amber.entity;
031:
032:        import com.caucho.amber.manager.AmberConnection;
033:        import com.caucho.amber.type.EntityType;
034:
035:        import java.sql.PreparedStatement;
036:        import java.sql.ResultSet;
037:        import java.sql.SQLException;
038:        import java.util.Map;
039:
040:        /**
041:         * An entity instance
042:         */
043:        public interface Entity extends MappedSuperclass {
044:            public static final int TRANSIENT = 0;
045:            public static final int P_NEW = 1;
046:            public static final int P_PERSISTING = 2;
047:            public static final int P_PERSISTED = 3;
048:            public static final int P_NON_TRANSACTIONAL = 4;
049:            public static final int P_TRANSACTIONAL = 5;
050:            public static final int P_DELETING = 6;
051:            public static final int P_DELETED = 7;
052:
053:            /**
054:             * Makes the entity persistent.
055:             */
056:            public boolean __caucho_makePersistent(AmberConnection aConn,
057:                    EntityType entityType) throws SQLException;
058:
059:            /**
060:             * Makes the entity persistent.
061:             */
062:            public void __caucho_makePersistent(AmberConnection aConn,
063:                    EntityItem item) throws SQLException;
064:
065:            /**
066:             * Pre-cascades the persist operation to child entities.
067:             */
068:            public void __caucho_cascadePrePersist(AmberConnection aConn)
069:                    throws SQLException;
070:
071:            /**
072:             * Pre-cascades the remove operation to child entities.
073:             */
074:            public void __caucho_cascadePreRemove(AmberConnection aConn)
075:                    throws SQLException;
076:
077:            /**
078:             * Post-cascades the persist operation to child entities.
079:             */
080:            public void __caucho_cascadePostPersist(AmberConnection aConn)
081:                    throws SQLException;
082:
083:            /**
084:             * Post-cascades the remove operation to child entities.
085:             */
086:            public void __caucho_cascadePostRemove(AmberConnection aConn)
087:                    throws SQLException;
088:
089:            /**
090:             * Detatch the entity
091:             */
092:            public void __caucho_detach();
093:
094:            /**
095:             * Creates the entity in the database, making it persistent-new.
096:             */
097:            public boolean __caucho_create(AmberConnection aConn,
098:                    EntityType entityType) throws SQLException;
099:
100:            /**
101:             * Changes the entity state to P_PERSISTING, but does not flush to database.
102:             */
103:            public boolean __caucho_lazy_create(AmberConnection aConn,
104:                    EntityType entityType) throws SQLException;
105:
106:            /**
107:             * Sets the __caucho_item.
108:             */
109:            public void __caucho_setCacheItem(EntityItem item);
110:
111:            /**
112:             * Updates the cache item after commit.
113:             */
114:            public void __caucho_updateCacheItem(Entity item);
115:
116:            /**
117:             * Set the primary key.
118:             */
119:            public void __caucho_setPrimaryKey(Object key);
120:
121:            /**
122:             * Get the primary key.
123:             */
124:            public Object __caucho_getPrimaryKey();
125:
126:            /**
127:             * Gets the corresponding cache entity referenced by __caucho_item.
128:             */
129:            public Entity __caucho_getCacheEntity();
130:
131:            /**
132:             * Gets the __caucho_item.
133:             */
134:            public EntityItem __caucho_getCacheItem();
135:
136:            /**
137:             * Get the entity type.
138:             */
139:            public EntityType __caucho_getEntityType();
140:
141:            /**
142:             * Get the entity state.
143:             */
144:            public EntityState __caucho_getEntityState();
145:
146:            /**
147:             * Sets the entity state.
148:             */
149:            public void __caucho_setEntityState(EntityState state);
150:
151:            /**
152:             * Sets the connection.
153:             */
154:            public void __caucho_setConnection(AmberConnection aConn);
155:
156:            /**
157:             * Returns the connection.
158:             */
159:            public AmberConnection __caucho_getConnection();
160:
161:            /**
162:             * Copies all the dirty mask values from a source entity.
163:             */
164:            public void __caucho_copyDirtyMaskFrom(Entity sourceEntity);
165:
166:            /**
167:             * Copies all the load mask values from a source entity.
168:             */
169:            public void __caucho_copyLoadMaskFrom(Entity sourceEntity);
170:
171:            /**
172:             * Returns the load mask value for a load group.
173:             */
174:            public long __caucho_getLoadMask(int loadGroup);
175:
176:            /**
177:             * Sets the load mask value for a load group.
178:             */
179:            public void __caucho_setLoadMask(long loadMask, int loadGroup);
180:
181:            /**
182:             * Returns true if the entity is dirty.
183:             */
184:            public boolean __caucho_isDirty();
185:
186:            /**
187:             * Returns true if the entity matches.
188:             */
189:            public boolean __caucho_match(String className, Object key);
190:
191:            /**
192:             * Loads the entity from the database.
193:             */
194:            public EntityItem __caucho_home_find(AmberConnection aConn,
195:                    AmberEntityHome home, ResultSet rs, int index)
196:                    throws SQLException;
197:
198:            /**
199:             * Returns a new entity. In the case of inheritance, needs to query
200:             * the database.
201:             */
202:            public Entity __caucho_home_find(AmberConnection aConn,
203:                    AmberEntityHome home, Object key);
204:
205:            /**
206:             * Returns a new entity.
207:             */
208:            /*
209:            public Entity __caucho_home_new(AmberConnection aConn,
210:                                            AmberEntityHome home,
211:                                            Object key)
212:              throws SQLException;
213:             */
214:
215:            /*
216:            public Entity __caucho_home_new(AmberConnection aConn,
217:                                            AmberEntityHome home,
218:                                            Object key,
219:                                            boolean loadFromResultSet)
220:              throws SQLException;
221:             */
222:
223:            /**
224:             * Returns a new entity.
225:             */
226:            public Entity __caucho_home_new(AmberEntityHome home, Object key,
227:                    AmberConnection aConn, EntityItem cacheItem);
228:
229:            /**
230:             * Creates a new instance based on the current entity.
231:             */
232:            public Entity __caucho_copy(AmberConnection aConn,
233:                    EntityItem cacheItem);
234:
235:            /**
236:             * Copies this entity state to an existing entity.
237:             */
238:            public Entity __caucho_copyTo(Entity targetEntity,
239:                    AmberConnection aConn, EntityItem cacheItem);
240:
241:            /**
242:             * Copies this entity state to an existing entity.
243:             */
244:            public void __caucho_copyTo(Entity targetEntity,
245:                    AmberConnection aConn);
246:
247:            /**
248:             * Copies this entity state to an existing entity.
249:             */
250:            public void __caucho_copyTo(Entity targetEntity,
251:                    AmberConnection aConn, boolean isFullMerge);
252:
253:            /**
254:             * Merges this entity state into an existing entity.
255:             */
256:            public void __caucho_merge(Entity targetEntity,
257:                    AmberConnection aConn, boolean isFullMerge);
258:
259:            /**
260:             * Retrieves data from the data store, including the eager loads.
261:             */
262:            public void __caucho_retrieve_eager(AmberConnection aConn);
263:
264:            /**
265:             * Retrieves data from the data store, only loading own fields.
266:             */
267:            public void __caucho_retrieve_self(AmberConnection aConn);
268:
269:            /**
270:             * Loads the entity from the database and
271:             * returns the number of columns consumed
272:             * from the result set.
273:             */
274:            public int __caucho_load(AmberConnection aConn, ResultSet rs,
275:                    int index) throws SQLException;
276:
277:            /**
278:             * Loads the entity key.
279:             */
280:            public Object __caucho_load_key(AmberConnection aConn,
281:                    ResultSet rs, int index) throws SQLException;
282:
283:            /**
284:             * Loads the entity from the database.
285:             */
286:            public void __caucho_setKey(PreparedStatement pstmt, int index)
287:                    throws SQLException;
288:
289:            /**
290:             * Expires data
291:             */
292:            public void __caucho_expire();
293:
294:            /**
295:             * Deletes the entity from the database.
296:             */
297:            public void __caucho_delete();
298:
299:            /**
300:             * Called when a foreign object is created/deleted.
301:             */
302:            public void __caucho_invalidate_foreign(String table, Object key);
303:
304:            /**
305:             * Flushes changes to the backing store.
306:             */
307:            public boolean __caucho_flush() throws SQLException;
308:
309:            /**
310:             * After a commit.
311:             */
312:            public void __caucho_afterCommit();
313:
314:            /**
315:             * After a rollback.
316:             */
317:            public void __caucho_afterRollback();
318:
319:            /**
320:             * Checks entity-relationship consistency and adds information to the log
321:             * about relationships from this entity.
322:             */
323:            public void __caucho_dumpRelationships();
324:        }
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