joewitt commented on code in PR #8892:
URL: https://github.com/apache/nifi/pull/8892#discussion_r1621459232
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nifi-extension-bundles/nifi-standard-bundle/nifi-standard-parameter-providers/src/main/java/org/apache/nifi/parameter/DatabaseParameterProvider.java:
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@@ -38,37 +26,34 @@
import java.util.HashMap;
import java.util.List;
import java.util.Map;
-import java.util.ServiceLoader;
import java.util.stream.Collectors;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.AllowableValue;
+import org.apache.nifi.components.ConfigVerificationResult;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.components.PropertyDescriptor.Builder;
+import org.apache.nifi.controller.ConfigurationContext;
+import org.apache.nifi.db.DatabaseAdapter;
+import org.apache.nifi.dbcp.DBCPService;
+import org.apache.nifi.logging.ComponentLog;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.util.StringUtils;
@Tags({"database", "dbcp", "sql"})
@CapabilityDescription("Fetches parameters from database tables")
public class DatabaseParameterProvider extends AbstractParameterProvider
implements VerifiableParameterProvider {
- protected final static Map<String, DatabaseAdapter> dbAdapters = new
HashMap<>();
-
- public static final PropertyDescriptor DB_TYPE;
-
- static {
- // Load the DatabaseAdapters
- ArrayList<AllowableValue> dbAdapterValues = new ArrayList<>();
- ServiceLoader<DatabaseAdapter> dbAdapterLoader =
ServiceLoader.load(DatabaseAdapter.class);
- dbAdapterLoader.forEach(it -> {
- dbAdapters.put(it.getName(), it);
- dbAdapterValues.add(new AllowableValue(it.getName(), it.getName(),
it.getDescription()));
- });
-
- DB_TYPE = new PropertyDescriptor.Builder()
- .name("db-type")
- .displayName("Database Type")
- .description("The type/flavor of database, used for generating
database-specific code. In many cases the Generic type "
- + "should suffice, but some databases (such as Oracle)
require custom SQL clauses. ")
- .allowableValues(dbAdapterValues.toArray(new
AllowableValue[dbAdapterValues.size()]))
- .defaultValue("Generic")
- .required(true)
- .build();
- }
+ // TODO: There was no migration facility for Parameter Providers by the
time of introducing this property,
+ // and removing the old 'db-type'.
+ public static final PropertyDescriptor DATABASE_ADAPTER_PROVIDER = new
Builder()
+ .name("db-adapter-provider")
+ .displayName("Database Adapter Provider")
Review Comment:
we dont tend to want these both populated where one is a computer type name
and the other is the human readable form. @exceptionfactory what is the
guidance now?
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