com.sibvisions.rad.persist.jdbc
Class H2DBAccess

java.lang.Object
  com.sibvisions.rad.persist.jdbc.DBAccess
      com.sibvisions.rad.persist.jdbc.H2DBAccess

All Implemented Interfaces:

IDBAccess, ICloseable

public class H2DBAccess
extends DBAccess

The H2DBAccess is the implementation for the H2 database.

See Also:

DBAccess

Nested Class Summary

Nested classes/interfaces inherited from class com.sibvisions.rad.persist.jdbc.DBAccess

DBAccess.BlobFileHandle, DBAccess.ParameterizedStatement

Field Summary

Fields inherited from class com.sibvisions.rad.persist.jdbc.DBAccess

BFILE, LONGNVARCHAR, NCHAR, NCLOB, NVARCHAR, QUOTE, SQLXML, TIMESTAMPWITHLOCALTIMEZONE, TIMESTAMPWITHTIMEZONE

Constructor Summary

H2DBAccess()
Creates a new instance of H2DBAccess.

Method Summary

protected String	getColumnName(ResultSetMetaData pMetaData, int pColumn) Gets the column name from the given resultset metadata.
protected Map<String,Object>	getDefaultValuesIntern(String pCatalog, String pSchema, String pTable) Gets all default column values of a specific table.
protected List<ForeignKey>	getForeignKeysIntern(String pCatalog, String pSchema, String pTable) Returns all Foreign Keys for the specified table.
protected Object	translateDefaultValue(String pColumnName, int pDataType, String pDefaultValue) Translates a default value from a column to the datatype object.

Methods inherited from class com.sibvisions.rad.persist.jdbc.DBAccess

clearMetaData, clearMetaData, close, commit, commitOrRollbackBeforeClose, convertDatabaseSpecificObjectToValue, convertValueToDatabaseSpecificObject, createIdentifier, createReplace, createServerColumnMetaData, createWhereColumn, createWhereParam, debug, delete, detectModified, error, eventConfigureConnection, eventUnconfigureConnection, executeFunction, executeFunction, executeProcedure, executeQuery, executeSql, executeStatement, fetch, fetch, fetch, fetch, findNamedParameters, fireEventConfigureConnection, fireEventUnconfigureConnection, formatSQLException, formatSQLException, getAllowedValues, getAllowedValuesIntern, getAutomaticLinkColumnNameTranslation, getCloseQuoteCharacter, getColumnMetaData, getColumnMetaDataCreator, getColumnMetaDataIntern, getConnection, getConnectionIntern, getConnectionPool, getDatabaseSpecificLockStatement, getDBAccess, getDBAccess, getDBAccess, getDBAccess, getDBAccess, getDBProperties, getDBProperty, getDefaultAllowedValues, getDefaultCursorCacheTimeout, getDefaultLargeObjectLimit, getDefaultSchema, getDefaultValues, getDiscardRowCount, getDriver, getForeignKeys, getIdentifier, getLargeObjectLimit, getMaxColumnLength, getMaxTime, getMetaDataCacheOption, getObjectFromResultSet, getOpenQuoteCharacter, getParameter, getParameter, getParameterizedSelectStatement, getPassword, getPreparedStatement, getPreparedStatement, getPrimaryKey, getPrimaryKeyIntern, getQueryTimeout, getRealQueryColumnName, getSelectStatement, getSelectStatement, getSQL, getTableForSynonym, getTableForSynonymIntern, getTableInfo, getTableInfoIntern, getTransactionTimeout, getUniqueKeys, getUniqueKeysIntern, getUrl, getUsername, getWhereClause, info, initializeColumnMetaData, initializeDataType, initializeServerColumnMetaData, insert, insertAnsiSQL, insertDatabaseSpecific, isAutoCommit, isAutoQuote, isConnectionPoolEnabled, isJdbc, isLogEnabled, isMetaDataCacheEnabled, isModified, isOpen, isReleaseConnectionPending, isTypeEqual, lockRow, lockRowInternal, open, prepareConnection, quote, quoteAllways, registerDBAccessClass, releaseConnection, releaseConnectionIntern, removeDBSpecificQuotes, removeQuotes, rollback, setAutoCommit, setAutomaticLinkColumnNameTranslation, setColumnMetaDataCreator, setColumnMetaDataCreator, setColumnsToStore, setConnection, setConnectionPool, setConnectionPoolEnabled, setDBProperties, setDBProperty, setDefaultCursorCacheTimeout, setDefaultLargeObjectLimit, setDefaultSchema, setDriver, setLargeObjectLimit, setMaxTime, setMetaDataCacheOption, setModified, setPassword, setQueryTimeout, setQuoteCharacters, setTransactionTimeout, setUrl, setUsername, splitSchemaTable, supportsGetGeneratedKeys, toString, translateQuotes, translateValue, update, updateAnsiSQL, updateDatabaseSpecific

Methods inherited from class java.lang.Object

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

Constructor Detail

H2DBAccess

public H2DBAccess()

Creates a new instance of H2DBAccess.

Method Detail

getColumnName

protected String getColumnName(ResultSetMetaData pMetaData,
                               int pColumn)
                        throws SQLException

Gets the column name from the given resultset metadata.

Overrides:

getColumnName in class DBAccess

Parameters:

pMetaData - the metadata

pColumn - the column index

Returns:

the column name

Throws:

SQLException - if accessing metadata failed

getDefaultValuesIntern

protected Map<String,Object> getDefaultValuesIntern(String pCatalog,
                                                    String pSchema,
                                                    String pTable)
                                             throws DataSourceException

Gets all default column values of a specific table.

Overrides:

getDefaultValuesIntern in class DBAccess

Parameters:

pCatalog - the catalog name

pSchema - the schema name

pTable - the table name

Returns:

a Hashtable with the column name as key and the default value as value. It only contains columns with a default value

Throws:

DataSourceException - if the database access throws an exception

getForeignKeysIntern

protected List<ForeignKey> getForeignKeysIntern(String pCatalog,
                                                String pSchema,
                                                String pTable)
                                         throws DataSourceException

Returns all Foreign Keys for the specified table.

Overrides:

getForeignKeysIntern in class DBAccess

Parameters:

pCatalog - the catalog to use

pSchema - the schema to use

pTable - the table to use as base table.

Returns:

all Foreign Keys for the specified table.

Throws:

DataSourceException - if an error occur in determining the ForeignKeys.

translateDefaultValue

protected Object translateDefaultValue(String pColumnName,
                                       int pDataType,
                                       String pDefaultValue)
                                throws Exception

Translates a default value from a column to the datatype object.

Overrides:

translateDefaultValue in class DBAccess

Parameters:

pColumnName - the column name to translate

pDataType - the datatype of the column

pDefaultValue - the original default value from the database

Returns:

the default value with the datatype of the column or null if the default value is not valid

Throws:

Exception - if the type translation causes an error or the datatype is not supported