net.wotonomy.jdbcadaptor
Class JDBCChannel

java.lang.Object
  net.wotonomy.access.EOAdaptorChannel
      net.wotonomy.jdbcadaptor.JDBCChannel

public class JDBCChannel
extends net.wotonomy.access.EOAdaptorChannel

Concrete implementation of EOAdaptorChannel for use with JDBC.

Version:

$Revision: 903 $

Author:

ezamudio@nasoft.com, $Author: cgruber $

Field Summary

protected net.wotonomy.foundation.NSArray	_attsToFetch
protected boolean	_fetchInProgress
protected net.wotonomy.foundation.NSArray	_resultAttributes
protected int	_resultCount
protected java.sql.ResultSet	_resultSet
protected net.wotonomy.foundation.NSDictionary	_spReturnValues
protected java.sql.Statement	_statement
protected boolean	_transactionWasOpen

Fields inherited from class net.wotonomy.access.EOAdaptorChannel

_context

Constructor Summary

JDBCChannel(JDBCContext context)
Creates a new JDBCChannel.

Method Summary

protected JDBCContext	_context()
net.wotonomy.foundation.NSArray	attributesToFetch()
void	cancelFetch()
void	closeChannel()
protected void	conditionalBeginTransaction()
protected void	conditionalCommitTransaction()
int	deleteRowsDescribedByQualifier(net.wotonomy.control.EOQualifier q, net.wotonomy.access.EOEntity entity)
net.wotonomy.foundation.NSArray	describeResults()
void	evaluateExpression(net.wotonomy.access.EOSQLExpression sql)
void	executeStoredProcedure(net.wotonomy.access.EOStoredProcedure proc, net.wotonomy.foundation.NSDictionary values)
net.wotonomy.foundation.NSMutableDictionary	fetchRow()
void	insertRow(net.wotonomy.foundation.NSDictionary row, net.wotonomy.access.EOEntity entity)
boolean	isFetchInProgress()
boolean	isOpen()
void	openChannel()
net.wotonomy.foundation.NSDictionary	returnValuesForLastStoredProcedureInvocation()
void	selectAttributes(net.wotonomy.foundation.NSArray atts, net.wotonomy.control.EOFetchSpecification fspec, boolean lock, net.wotonomy.access.EOEntity entity)
void	setAttributesToFetch(net.wotonomy.foundation.NSArray atts)
int	updateValuesInRowsDescribedByQualifier(net.wotonomy.foundation.NSDictionary row, net.wotonomy.control.EOQualifier q, net.wotonomy.access.EOEntity entity)

Methods inherited from class net.wotonomy.access.EOAdaptorChannel

adaptorContext, addStoredProceduresNamed, deleteRowDescribedByQualifier, describeModelWithTableNames, describeStoredProcedureNames, describeTableNames, dictionaryWithObjectsForAttributes, lockRowComparingAttributes, performAdaptorOperation, performAdaptorOperations, primaryKeysForNewRowsWithEntity, updateValuesInRowDescribedByQualifier

Methods inherited from class java.lang.Object

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

Field Detail

_fetchInProgress

protected boolean _fetchInProgress

_resultSet

protected java.sql.ResultSet _resultSet

_statement

protected java.sql.Statement _statement

_attsToFetch

protected net.wotonomy.foundation.NSArray _attsToFetch

_resultAttributes

protected net.wotonomy.foundation.NSArray _resultAttributes

_transactionWasOpen

protected boolean _transactionWasOpen

_spReturnValues

protected net.wotonomy.foundation.NSDictionary _spReturnValues

_resultCount

protected int _resultCount

Constructor Detail

JDBCChannel

public JDBCChannel(JDBCContext context)

Creates a new JDBCChannel.

Parameters:

context - The JDBCContext this channel belongs to.

Method Detail

_context

protected JDBCContext _context()

setAttributesToFetch

public void setAttributesToFetch(net.wotonomy.foundation.NSArray atts)

Specified by:

setAttributesToFetch in class net.wotonomy.access.EOAdaptorChannel

attributesToFetch

public net.wotonomy.foundation.NSArray attributesToFetch()

Specified by:

attributesToFetch in class net.wotonomy.access.EOAdaptorChannel

cancelFetch

public void cancelFetch()

Specified by:

cancelFetch in class net.wotonomy.access.EOAdaptorChannel

closeChannel

public void closeChannel()

Specified by:

closeChannel in class net.wotonomy.access.EOAdaptorChannel

describeResults

public net.wotonomy.foundation.NSArray describeResults()

Specified by:

describeResults in class net.wotonomy.access.EOAdaptorChannel

deleteRowsDescribedByQualifier

public int deleteRowsDescribedByQualifier(net.wotonomy.control.EOQualifier q,
                                          net.wotonomy.access.EOEntity entity)

Specified by:

deleteRowsDescribedByQualifier in class net.wotonomy.access.EOAdaptorChannel

evaluateExpression

public void evaluateExpression(net.wotonomy.access.EOSQLExpression sql)

Specified by:

evaluateExpression in class net.wotonomy.access.EOAdaptorChannel

executeStoredProcedure

public void executeStoredProcedure(net.wotonomy.access.EOStoredProcedure proc,
                                   net.wotonomy.foundation.NSDictionary values)

Specified by:

executeStoredProcedure in class net.wotonomy.access.EOAdaptorChannel

fetchRow

public net.wotonomy.foundation.NSMutableDictionary fetchRow()

Specified by:

fetchRow in class net.wotonomy.access.EOAdaptorChannel

insertRow

public void insertRow(net.wotonomy.foundation.NSDictionary row,
                      net.wotonomy.access.EOEntity entity)

Specified by:

insertRow in class net.wotonomy.access.EOAdaptorChannel

isFetchInProgress

public boolean isFetchInProgress()

Specified by:

isFetchInProgress in class net.wotonomy.access.EOAdaptorChannel

isOpen

public boolean isOpen()

Specified by:

isOpen in class net.wotonomy.access.EOAdaptorChannel

openChannel

public void openChannel()

Specified by:

openChannel in class net.wotonomy.access.EOAdaptorChannel

returnValuesForLastStoredProcedureInvocation

public net.wotonomy.foundation.NSDictionary returnValuesForLastStoredProcedureInvocation()

Specified by:

returnValuesForLastStoredProcedureInvocation in class net.wotonomy.access.EOAdaptorChannel

selectAttributes

public void selectAttributes(net.wotonomy.foundation.NSArray atts,
                             net.wotonomy.control.EOFetchSpecification fspec,
                             boolean lock,
                             net.wotonomy.access.EOEntity entity)

Specified by:

selectAttributes in class net.wotonomy.access.EOAdaptorChannel

updateValuesInRowsDescribedByQualifier

public int updateValuesInRowsDescribedByQualifier(net.wotonomy.foundation.NSDictionary row,
                                                  net.wotonomy.control.EOQualifier q,
                                                  net.wotonomy.access.EOEntity entity)

Specified by:

updateValuesInRowsDescribedByQualifier in class net.wotonomy.access.EOAdaptorChannel

conditionalBeginTransaction

protected void conditionalBeginTransaction()

conditionalCommitTransaction

protected void conditionalCommitTransaction()