Package com.exasol.adapter.jdbc

Class AbstractMetadataReader

java.lang.Object

com.exasol.adapter.jdbc.AbstractMetadataReader

All Implemented Interfaces:

MetadataReader

Direct Known Subclasses:

AbstractRemoteMetadataReader, BaseColumnMetadataReader, BaseTableMetadataReader

public abstract class AbstractMetadataReader
extends Object
implements MetadataReader

This class contains parts that are used commonly across all types of metadata readers.

See Also:

BaseRemoteMetadataReader, BaseTableMetadataReader, BaseColumnMetadataReader

Field Summary

Fields

Modifier and Type	Field	Description
protected Connection	connection	Connection
protected com.exasol.ExaMetadata	exaMetadata	Metadata of the Exasol database
protected com.exasol.adapter.AdapterProperties	properties	Adapter properties

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractMetadataReader(Connection connection, com.exasol.adapter.AdapterProperties properties, com.exasol.ExaMetadata exaMetadata)	Create an AbstractMetadataReader.

Method Summary

Modifier and Type	Method	Description
String	getCatalogNameFilter()	Get the catalog name that is applied as filter criteria when looking up remote metadata.
String	getSchemaNameFilter()	Get the schema name that is applied as filter criteria when looking up remote metadata.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

properties

protected final com.exasol.adapter.AdapterProperties properties

Adapter properties

exaMetadata

protected final com.exasol.ExaMetadata exaMetadata

Metadata of the Exasol database

connection

protected final Connection connection

Connection

Constructor Detail

AbstractMetadataReader

protected AbstractMetadataReader(Connection connection,
                                 com.exasol.adapter.AdapterProperties properties,
                                 com.exasol.ExaMetadata exaMetadata)

Create an AbstractMetadataReader.

Parameters:

connection - JDBC connection to remote data source

properties - user-defined adapter properties

exaMetadata - metadata of the Exasol database

Method Detail

getCatalogNameFilter

public String getCatalogNameFilter()

Get the catalog name that is applied as filter criteria when looking up remote metadata.

Specified by:

getCatalogNameFilter in interface MetadataReader

Returns:

catalog name or null if metadata lookups are not limited by catalog

getSchemaNameFilter

public String getSchemaNameFilter()

Get the schema name that is applied as filter criteria when looking up remote metadata.

Specified by:

getSchemaNameFilter in interface MetadataReader

Returns:

schema name or null if metadata lookups are not limited by schema