Index_D


D

Data object, defined, 16. See also Application data objects

Data object management states. See Management states

Data transfer object, serializing, 154

Database transaction, defined, 105

Datastore

configuring connections to, 198–199

implicit updating of, 7

multiuser, 308

Datastore identity, 23–25, 242, 353

vs. application identity, 26

identity string capture for, 243–244

Datastore identity value, 23

Datastore object, 21

Datastore read, vs. fetch from memory, 164

Datastore transactions, 105, 108

and flushing the cache, 64

makeTransactional in, 84–85

vs. optimistic transactions, 112–113

state transitions unique to, 126–127

DatastoreIdentity option, 197

Deadlocked transactions, 108, 113

Deadlocks, 108, 113

Debugging, enhancement and, 165

declareImports method (Query interface), 45

declareParameters method (Query interface), 43–44

declareVariables method (Query interface), 44

Deep copy, 160

Default fetch group, 91, 137–138, 235–236

default.properties file, 270–271, 274, 323, 362

defaultWriteObject method (in ObjectOutputStream), 153

define query variable command, 287

Definitions of terms used in this book, 377–386

deletePersistent method (PersistenceManager), 7, 79, 82–83, 119, 238, 246

deletePersistentAll method (PersistenceManager), 82, 247

Deleting persistent objects, 7, 79, 82–83

DeMorgan rules, constrained variables and, 59–60

Deployed reservation service EJB, 368, 402

Derived classes, 14, 229

descending (keyword), 61

Deserialized query, 42

destroy method (servlet), 357

Development process, JDO and JDOQL and, 72–73

DFGOnly flag, 91

Dirty application data objects, 110, 119

dirty command, 297

Dirty fields, 10, 230

Dirty managed fields, 229

Dirty persistent field, 110

Dirty read, explained, 106

Dirty states, 86

Dirty transactional field, 110

Dirty transactional object, 233

doGet and doPost methods (servlet), 341

drop.sql file, 299

Durability requirement of transactions, 4, 104

Durable JDO identities, 23, 80

Dynamic content requests from user's browser, 333




Using and Understanding Java Data Objects
Using and Understanding Java Data Objects
ISBN: 1590590430
EAN: 2147483647
Year: 2005
Pages: 156
Authors: David Ezzio

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