org.geotools.jdbc

Class HeuristicPrimaryKeyFinder

Object

PrimaryKeyFinder

HeuristicPrimaryKeyFinder

public class HeuristicPrimaryKeyFinder
extends PrimaryKeyFinder

Looks up the primary key using the DatabaseMetaData for the specified table, looking both for primary keys and unique indexes. The sequence lookup is performed in conjuction with the sql dialect

Author:

Andrea Aime - OpenGeo

Field Summary

Fields

Modifier and Type	Field and Description
protected static Logger	LOGGER

Constructor Summary

Constructors

Constructor and Description
HeuristicPrimaryKeyFinder()

Method Summary

Modifier and Type	Method and Description
PrimaryKey	getPrimaryKey(JDBCDataStore store, String databaseSchema, String tableName, Connection cx) Returns the PrimaryKey, or null if a specific type could not be determined (the datastore will fall back on NullPrimaryKey in that case.

Methods inherited from class Object

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

Field Detail

LOGGER

protected static final Logger LOGGER

Constructor Detail

HeuristicPrimaryKeyFinder

public HeuristicPrimaryKeyFinder()

Method Detail

getPrimaryKey

public PrimaryKey getPrimaryKey(JDBCDataStore store,
                                String databaseSchema,
                                String tableName,
                                Connection cx)
                         throws SQLException

Description copied from class: PrimaryKeyFinder

Returns the PrimaryKey, or null if a specific type could not be determined (the datastore will fall back on NullPrimaryKey in that case. It is advised to return

Specified by:

getPrimaryKey in class PrimaryKeyFinder

Throws:

SQLException