Index_D

D

damage estimation, determining, 55

data access needs, types of, 81

data model, creating, 211-212

data transfer object pattern, applying to business tier, 233

data types, deciding on, 303

data, validating with ActionForm beans, 138-139

DataSourceConfig configuration objects, purpose of, 119

defederation in Liberty architecture, overview of, 79

dependencies, identifying for GreaterCause, 11

deployment descriptors

for SiteAdmin business interface, 248-254

specifying for Admin interface, 217-223

specifying for campaign interface of domain model, 228-229

specifying with EJB QL, 226-228

for Update Campaigns use case, 265-266

design patterns applied to business tier

business interface pattern, 232-233

data transfer object pattern, 233

EJB home factory pattern, 233

session fa ade pattern, 232, 235

development environment, creating with WebLogic Server 7.0, 322-323

digester, adding rules to rule cache of, 120-121

digital signatures, overview of, 61-65

dispatcher objects, implementing in Struts, 128-130

Dispatchers in Struts, using, 93-94, 106-107

Display Donation History use case, overview of, 18

Display Featured-NPOs use case, overview of, 25-26

distributed caches, invalidation in, 81

domain model

defining Admin interface for, 214-223

defining campaign interface for, 228-229

defining PortalAlliance interface for, 223-225

implementing, 213-223

relationships in, 209-211

domain objects, discovering, 208-211

domains, explanation of, 322. domains. See also problem domains

Donation Cart use case, managing, 16-18

donations, workflow for, 17

donors, role in GreaterCause application, 10-11

double-interface pattern. See business interface pattern

DTO (data transfer object) pattern, implementing in business tier, 238-241

DTOs (Data Transfer Objects)

explanation of, 137

guidelines for use of, 241

proliferation of, 241

transferring ActionForm properties to, 139-140

using with getCampaigns method, 264-265

DuplicateKeyException for entity beans, explanation of, 258

DynaActionForm objects in Struts, purpose of, 112