Package org.mybatis.generator.internal.db

Class DatabaseIntrospector

java.lang.Object

org.mybatis.generator.internal.db.DatabaseIntrospector

public class DatabaseIntrospector
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private final Context	context
private final DatabaseMetaData	databaseMetaData
private final JavaTypeResolver	javaTypeResolver
private final Log	logger
private final List<String>	warnings

Constructor Summary

Constructors

Constructor	Description
DatabaseIntrospector(Context context, DatabaseMetaData databaseMetaData, JavaTypeResolver javaTypeResolver, List<String> warnings)

Method Summary

Modifier and Type	Method	Description
private void	applyColumnOverrides(TableConfiguration tc, Map<ActualTableName,List<IntrospectedColumn>> columns)
private void	calculateExtraColumnInformation(TableConfiguration tc, Map<ActualTableName,List<IntrospectedColumn>> columns)
private void	calculateIdentityColumns(TableConfiguration tc, Map<ActualTableName,List<IntrospectedColumn>> columns)
private List<IntrospectedTable>	calculateIntrospectedTables(TableConfiguration tc, Map<ActualTableName,List<IntrospectedColumn>> columns)
private void	calculatePrimaryKey(FullyQualifiedTable table, IntrospectedTable introspectedTable)
private void	closeResultSet(ResultSet rs)
private void	enhanceIntrospectedTable(IntrospectedTable introspectedTable)	Calls database metadata to retrieve extra information about the table such as remarks associated with the table and the type.
private String	escapeName(String localName, String escapeString)
private Map<ActualTableName,List<IntrospectedColumn>>	getColumns(TableConfiguration tc)
List<IntrospectedTable>	introspectTables(TableConfiguration tc)	Returns a List of IntrospectedTable elements that matches the specified table configuration.
private boolean	isMatchedColumn(IntrospectedColumn introspectedColumn, GeneratedKey gk)
private void	removeIgnoredColumns(TableConfiguration tc, Map<ActualTableName,List<IntrospectedColumn>> columns)
private void	reportIntrospectionWarnings(IntrospectedTable introspectedTable, TableConfiguration tableConfiguration, FullyQualifiedTable table)

Methods inherited from class java.lang.Object

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

Field Details

databaseMetaData

private final DatabaseMetaData databaseMetaData

javaTypeResolver

private final JavaTypeResolver javaTypeResolver

warnings

private final List<String> warnings

context

private final Context context

logger

private final Log logger

Constructor Details

DatabaseIntrospector

public DatabaseIntrospector(Context context,
 DatabaseMetaData databaseMetaData,
 JavaTypeResolver javaTypeResolver,
 List<String> warnings)

Method Details

calculatePrimaryKey

private void calculatePrimaryKey(FullyQualifiedTable table,
 IntrospectedTable introspectedTable)

closeResultSet

private void closeResultSet(ResultSet rs)

reportIntrospectionWarnings

private void reportIntrospectionWarnings(IntrospectedTable introspectedTable,
 TableConfiguration tableConfiguration,
 FullyQualifiedTable table)

introspectTables

public List<IntrospectedTable> introspectTables(TableConfiguration tc)
                                         throws SQLException

Returns a List of IntrospectedTable elements that matches the specified table configuration.

Parameters:

tc - the table configuration

Returns:

a list of introspected tables

Throws:

SQLException - if any errors in introspection

removeIgnoredColumns

private void removeIgnoredColumns(TableConfiguration tc,
 Map<ActualTableName,List<IntrospectedColumn>> columns)

calculateExtraColumnInformation

private void calculateExtraColumnInformation(TableConfiguration tc,
 Map<ActualTableName,List<IntrospectedColumn>> columns)

calculateIdentityColumns

private void calculateIdentityColumns(TableConfiguration tc,
 Map<ActualTableName,List<IntrospectedColumn>> columns)

isMatchedColumn

private boolean isMatchedColumn(IntrospectedColumn introspectedColumn,
 GeneratedKey gk)

applyColumnOverrides

private void applyColumnOverrides(TableConfiguration tc,
 Map<ActualTableName,List<IntrospectedColumn>> columns)

getColumns

private Map<ActualTableName,List<IntrospectedColumn>> getColumns(TableConfiguration tc)
                                                          throws SQLException

Throws:

SQLException

escapeName

private String escapeName(String localName,
 String escapeString)

calculateIntrospectedTables

private List<IntrospectedTable> calculateIntrospectedTables(TableConfiguration tc,
 Map<ActualTableName,List<IntrospectedColumn>> columns)

enhanceIntrospectedTable

private void enhanceIntrospectedTable(IntrospectedTable introspectedTable)

Calls database metadata to retrieve extra information about the table such as remarks associated with the table and the type.

If there is any error, we just add a warning and continue.

Parameters:

introspectedTable - the introspected table to enhance