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Support for @Identity - initial refactor to add IdentityMode

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This commit is contained in:
rob bygrave
2020-03-03 22:36:27 +13:00
parent ddf3c753d6
commit eb765056fd
13 changed files with 389 additions and 338 deletions
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src/main/java/io/ebeaninternal/server/deploy/BeanDescriptorManager.java
+19 -22
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@@ -1354,42 +1354,39 @@ public class BeanDescriptorManager implements BeanDescriptorMap {
return;
}
if (IdType.SEQUENCE == desc.getIdType() && !dbIdentity.isSupportsSequence()) {
final IdentityMode identityMode = desc.getIdentityMode();
if (identityMode.isSequence() && !dbIdentity.isSupportsSequence()) {
// explicit sequence but not supported by the DatabasePlatform
logger.info("Explicit sequence on " + desc.getFullName() + " but not supported by DB Platform - ignored");
desc.setIdType(null);
identityMode.setIdType(IdType.AUTO);
}
if (IdType.IDENTITY == desc.getIdType() && !dbIdentity.isSupportsIdentity()) {
if (identityMode.isIdentity() && !dbIdentity.isSupportsIdentity()) {
// explicit identity but not supported by the DatabasePlatform
logger.info("Explicit Identity on " + desc.getFullName() + " but not supported by DB Platform - ignored");
desc.setIdType(null);
identityMode.setIdType(IdType.AUTO);
}
if (desc.getIdType() == null) {
if (identityMode.isAuto()) {
if (desc.isPrimaryKeyCompoundOrNonNumeric()) {
// assuming that this is a user supplied key like ISO country code or ISO currency code or lookup table code
logger.debug("Expecting user defined identity on {} - not using db sequence or autoincrement", desc.getFullName());
desc.setIdType(IdType.EXTERNAL);
identityMode.setIdType(IdType.EXTERNAL);
return;
}
if (desc.isIdGeneratedValue() || serverConfig.isIdGeneratorAutomatic()) {
// use IDENTITY or SEQUENCE based on platform
desc.setIdType(dbIdentity.getIdType());
desc.setIdTypePlatformDefault();
identityMode.setPlatformType(dbIdentity.getIdType());
} else {
// externally/application supplied Id values
desc.setIdType(IdType.EXTERNAL);
identityMode.setIdType(IdType.EXTERNAL);
return;
}
}
if (desc.getBaseTable() == null) {
// no base table so not going to set Identity
// of sequence information
// no base table so not going to set Identity or sequence information
return;
}
if (IdType.IDENTITY == desc.getIdType()) {
if (identityMode.isIdentity()) {
// used when getGeneratedKeys is not supported (SQL Server 2000, SAP Hana)
String selectLastInsertedId = dbIdentity.getSelectLastInsertedId(desc.getBaseTable());
String selectLastInsertedIdDraft = (!desc.isDraftable()) ? selectLastInsertedId : dbIdentity.getSelectLastInsertedId(desc.getDraftTable());
@@ -1397,21 +1394,21 @@ public class BeanDescriptorManager implements BeanDescriptorMap {
return;
}
if (IdType.SEQUENCE == desc.getIdType()) {
String seqName = desc.getIdGeneratorName();
if (seqName != null) {
logger.debug("explicit sequence {} on {}", seqName, desc.getFullName());
} else {
if (identityMode.isSequence()) {
String seqName = identityMode.getSequenceName();
if (seqName == null || seqName.isEmpty()) {
String primaryKeyColumn = desc.getSinglePrimaryKeyColumn();
// use namingConvention to define sequence name
seqName = namingConvention.getSequenceName(desc.getBaseTable(), primaryKeyColumn);
}
if (databasePlatform.isSequenceBatchMode()) {
// use sequence next step 1 as we are going to batch fetch them instead
desc.setSequenceAllocationSize(1);
desc.setIdentitySequenceBatchMode();
}
int stepSize = identityMode.getIncrement();
if (stepSize == 0) {
stepSize = 50;
}
int stepSize = desc.getSequenceAllocationSize();
desc.setIdGenerator(createSequenceIdGenerator(seqName, stepSize));
}
}