private SecondaryConfig getSecondaryConfig(
String secName,
EntityMetadata entityMeta,
String keyClassName,
SecondaryKeyMetadata secKeyMeta) {
SecondaryConfig config = secConfigMap.get(secName);
if (config == null) {
/* Set common properties to match the primary DB. */
DatabaseConfig priConfig = getPrimaryConfig(entityMeta);
config = new SecondaryConfig();
config.setTransactional(priConfig.getTransactional());
config.setAllowCreate(!priConfig.getReadOnly());
config.setReadOnly(priConfig.getReadOnly());
DbCompat.setDeferredWrite(config, DbCompat.getDeferredWrite(priConfig));
/* Set secondary properties based on metadata. */
config.setAllowPopulate(true);
Relationship rel = secKeyMeta.getRelationship();
config.setSortedDuplicates(
rel == Relationship.MANY_TO_ONE || rel == Relationship.MANY_TO_MANY);
setBtreeComparator(config, secKeyMeta.getClassName());
PersistKeyCreator keyCreator =
new PersistKeyCreator(catalog, entityMeta, keyClassName, secKeyMeta);
if (rel == Relationship.ONE_TO_MANY || rel == Relationship.MANY_TO_MANY) {
config.setMultiKeyCreator(keyCreator);
} else {
config.setKeyCreator(keyCreator);
}
DeleteAction deleteAction = secKeyMeta.getDeleteAction();
if (deleteAction != null) {
ForeignKeyDeleteAction baseDeleteAction;
switch (deleteAction) {
case ABORT:
baseDeleteAction = ForeignKeyDeleteAction.ABORT;
break;
case CASCADE:
baseDeleteAction = ForeignKeyDeleteAction.CASCADE;
break;
case NULLIFY:
baseDeleteAction = ForeignKeyDeleteAction.NULLIFY;
break;
default:
throw new IllegalStateException(deleteAction.toString());
}
config.setForeignKeyDeleteAction(baseDeleteAction);
if (deleteAction == DeleteAction.NULLIFY) {
config.setForeignMultiKeyNullifier(keyCreator);
}
}
secConfigMap.put(secName, config);
}
return config;
}
private synchronized DatabaseConfig getPrimaryConfig(EntityMetadata meta) {
String clsName = meta.getClassName();
DatabaseConfig config = priConfigMap.get(clsName);
if (config == null) {
config = new DatabaseConfig();
config.setTransactional(storeConfig.getTransactional());
config.setAllowCreate(!storeConfig.getReadOnly());
config.setReadOnly(storeConfig.getReadOnly());
DbCompat.setDeferredWrite(config, storeConfig.getDeferredWrite());
setBtreeComparator(config, meta.getPrimaryKey().getClassName());
priConfigMap.put(clsName, config);
}
return config;
}