org.apache.ddlutils.platform.sybase
Class SybaseModelReader

java.lang.Object
  org.apache.ddlutils.platform.JdbcModelReader
      org.apache.ddlutils.platform.sybase.SybaseModelReader

public class SybaseModelReader
extends JdbcModelReader

Reads a database model from a Sybase database.

Version:

$Revision: $

Constructor Summary

SybaseModelReader(Platform platform)
Creates a new model reader for Sybase databases.

Method Summary

protected boolean	isInternalPrimaryKeyIndex(DatabaseMetaDataWrapper metaData, Table table, Index index) Tries to determine whether the index is the internal database-generated index for the given table's primary key.
protected Column	readColumn(DatabaseMetaDataWrapper metaData, Map values) Extracts a column definition from the result set.
protected Collection	readForeignKeys(DatabaseMetaDataWrapper metaData, String tableName) Retrieves the foreign keys of the indicated table.
protected void	readIndex(DatabaseMetaDataWrapper metaData, Map values, Map knownIndices) Reads the next index spec from the result set.
protected Table	readTable(DatabaseMetaDataWrapper metaData, Map values) Reads the next table from the meta data.

Methods inherited from class org.apache.ddlutils.platform.JdbcModelReader

determineAutoIncrementFromResultSetMetaData, determineSchemaOf, getColumnsForColumn, getColumnsForFK, getColumnsForIndex, getColumnsForPK, getColumnsForTable, getConnection, getDatabase, getDatabase, getDefaultCatalogPattern, getDefaultColumnPattern, getDefaultSchemaPattern, getDefaultTablePattern, getDefaultTableTypes, getPlatform, getPlatformInfo, initColumnsForColumn, initColumnsForFK, initColumnsForIndex, initColumnsForPK, initColumnsForTable, isInternalForeignKeyIndex, matches, readColumns, readColumns, readForeignKey, readIndices, readPrimaryKeyName, readPrimaryKeyNames, readTables, removeInternalForeignKeyIndex, removeInternalPrimaryKeyIndex, removeSystemIndices, setDefaultCatalogPattern, setDefaultColumnPattern, setDefaultSchemaPattern, setDefaultTablePattern, setDefaultTableTypes, sortForeignKeys, unescape

Methods inherited from class java.lang.Object

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

Constructor Detail

SybaseModelReader

public SybaseModelReader(Platform platform)

Creates a new model reader for Sybase databases.

Parameters:

platform - The platform that this model reader belongs to

Method Detail

readTable

protected Table readTable(DatabaseMetaDataWrapper metaData,
                          Map values)
                   throws SQLException

Reads the next table from the meta data.

Overrides:

readTable in class JdbcModelReader

Parameters:

metaData - The database meta data

values - The table metadata values as defined by JdbcModelReader.getColumnsForTable()

Returns:

The table or null if the result set row did not contain a valid table

Throws:

SQLException

readColumn

protected Column readColumn(DatabaseMetaDataWrapper metaData,
                            Map values)
                     throws SQLException

Extracts a column definition from the result set.

Overrides:

readColumn in class JdbcModelReader

Parameters:

metaData - The database meta data

values - The column meta data values as defined by JdbcModelReader.getColumnsForColumn()

Returns:

The column

Throws:

SQLException

readIndex

protected void readIndex(DatabaseMetaDataWrapper metaData,
                         Map values,
                         Map knownIndices)
                  throws SQLException

Reads the next index spec from the result set.

Overrides:

readIndex in class JdbcModelReader

Parameters:

metaData - The database meta data

values - The index meta data as defined by JdbcModelReader.getColumnsForIndex()

knownIndices - The already read indices for the current table

Throws:

SQLException

readForeignKeys

protected Collection readForeignKeys(DatabaseMetaDataWrapper metaData,
                                     String tableName)
                              throws SQLException

Retrieves the foreign keys of the indicated table.

Overrides:

readForeignKeys in class JdbcModelReader

Parameters:

metaData - The database meta data

tableName - The name of the table from which to retrieve FK information

Returns:

The foreign keys

Throws:

SQLException

isInternalPrimaryKeyIndex

protected boolean isInternalPrimaryKeyIndex(DatabaseMetaDataWrapper metaData,
                                            Table table,
                                            Index index)
                                     throws SQLException

Tries to determine whether the index is the internal database-generated index for the given table's primary key. Note that only unique indices with the correct columns are fed to this method. Redefine this method for specific platforms if there are better ways to determine internal indices.

Overrides:

isInternalPrimaryKeyIndex in class JdbcModelReader

Parameters:

metaData - The database meta data

table - The table owning the index

index - The index to check

Returns:

true if the index seems to be an internal primary key one

Throws:

SQLException