org.apache.torque.adapter
Class DBSapDB

java.lang.Object
  org.apache.torque.adapter.AbstractDBAdapter
      org.apache.torque.adapter.DBSapDB

All Implemented Interfaces:

java.io.Serializable, DB, IDMethod

public class DBSapDB
extends AbstractDBAdapter

This is used to connect to SapDB databases. http://www.sapdb.org

Version:

$Id: DBSapDB.java 473821 2006-11-11 22:37:25Z tv $

Author:

Dave Polito

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.torque.adapter.DB

ADAPTER_KEY, DRIVER_KEY, LIMIT_STYLE_DB2, LIMIT_STYLE_MYSQL, LIMIT_STYLE_NONE, LIMIT_STYLE_ORACLE, LIMIT_STYLE_POSTGRES, LIMIT_STYLE_SYBASE

Fields inherited from interface org.apache.torque.adapter.IDMethod

AUTO_INCREMENT, ID_BROKER, NATIVE, NO_ID_METHOD, SEQUENCE

Constructor Summary

protected

DBSapDB() Empty constructor.

Method Summary

boolean	escapeText() This method is for the SqlExpression.quoteAndEscape rules.
java.lang.String	getIDMethodSQL(java.lang.Object sequenceName) Returns the next key from a sequence.
java.lang.String	getIDMethodType() Returns the constant from the IDMethod interface denoting which type of primary key generation method this type of RDBMS uses.
java.lang.String	ignoreCase(java.lang.String in) This method is used to ignore case.
void	lockTable(java.sql.Connection con, java.lang.String table) Locks the specified table.
java.lang.String	toUpperCase(java.lang.String in) This method is used to ignore case.
void	unlockTable(java.sql.Connection con, java.lang.String table) Unlocks the specified table.

Methods inherited from class org.apache.torque.adapter.AbstractDBAdapter

generateLimits, getBooleanString, getDateString, getFunctionClass, getLimitStyle, getStringDelimiter, ignoreCaseInOrderBy, supportsNativeLimit, supportsNativeOffset, useEscapeClauseForLike, useIlike

Methods inherited from class java.lang.Object

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

Constructor Detail

DBSapDB

protected DBSapDB()

Empty constructor.

Method Detail

toUpperCase

public java.lang.String toUpperCase(java.lang.String in)

This method is used to ignore case.

Specified by:

toUpperCase in interface DB

Specified by:

toUpperCase in class AbstractDBAdapter

Parameters:

in - The string to transform to upper case.

Returns:

The upper case string.

ignoreCase

public java.lang.String ignoreCase(java.lang.String in)

This method is used to ignore case.

Specified by:

ignoreCase in interface DB

Specified by:

ignoreCase in class AbstractDBAdapter

Parameters:

in - The string whose case to ignore.

Returns:

The string in a case that can be ignored.

getIDMethodType

public java.lang.String getIDMethodType()

Description copied from class: AbstractDBAdapter

Returns the constant from the IDMethod interface denoting which type of primary key generation method this type of RDBMS uses.

Specified by:

getIDMethodType in interface DB

Specified by:

getIDMethodType in class AbstractDBAdapter

Returns:

IDMethod constant

See Also:

DB.getIDMethodType()

getIDMethodSQL

public java.lang.String getIDMethodSQL(java.lang.Object sequenceName)

Returns the next key from a sequence. Uses the following implementation:

 select sequenceName.nextval from dual
 

Specified by:

getIDMethodSQL in interface DB

Specified by:

getIDMethodSQL in class AbstractDBAdapter

Parameters:

sequenceName - The name of the sequence (should be of type String).

Returns:

SQL to retreive the next database key.

See Also:

DB.getIDMethodSQL(Object)

lockTable

public void lockTable(java.sql.Connection con,
                      java.lang.String table)
               throws java.sql.SQLException

Locks the specified table.

Specified by:

lockTable in interface DB

Specified by:

lockTable in class AbstractDBAdapter

Parameters:

con - The JDBC connection to use.

table - The name of the table to lock.

Throws:

java.sql.SQLException - No Statement could be created or executed.

escapeText

public boolean escapeText()

This method is for the SqlExpression.quoteAndEscape rules. The rule is, any string in a SqlExpression with a BACKSLASH will either be changed to "\\" or left as "\". SapDB does not need the escape character.

Specified by:

escapeText in interface DB

Overrides:

escapeText in class AbstractDBAdapter

Returns:

false.

unlockTable

public void unlockTable(java.sql.Connection con,
                        java.lang.String table)
                 throws java.sql.SQLException

Unlocks the specified table.

Specified by:

unlockTable in interface DB

Specified by:

unlockTable in class AbstractDBAdapter

Parameters:

con - The JDBC connection to use.

table - The name of the table to unlock.

Throws:

java.sql.SQLException - No Statement could be created or executed.