org.teiid.connector.jdbc
Class JDBCQueryExecution

java.lang.Object
  org.teiid.connector.basic.BasicExecution
      org.teiid.connector.jdbc.JDBCBaseExecution
          org.teiid.connector.jdbc.JDBCQueryExecution

All Implemented Interfaces:

Execution, ResultSetExecution

Direct Known Subclasses:

JDBCProcedureExecution

public class JDBCQueryExecution
extends JDBCBaseExecution
implements ResultSetExecution

Field Summary

protected java.lang.Class<?>[]	columnDataTypes
protected ICommand	command
protected ConnectorEnvironment	env
protected java.sql.ResultSet	results

Fields inherited from class org.teiid.connector.jdbc.JDBCBaseExecution

connection, context, fetchSize, id, logger, maxResultRows, sqlTranslator, statement, trimString

Constructor Summary

JDBCQueryExecution(ICommand command, java.sql.Connection connection, Translator sqlTranslator, ConnectorLogger logger, java.util.Properties props, ExecutionContext context, ConnectorEnvironment env)

Method Summary

void	close() Terminates the execution normally.
void	execute() Execute the associated command.
protected void	initResultSetInfo()
java.util.List<?>	next() Retrieves the next row of the resultset.
static java.lang.String	trimString(java.lang.String value) Expects string to never be null

Methods inherited from class org.teiid.connector.jdbc.JDBCBaseExecution

addStatementWarnings, bindPreparedStatementValues, cancel, getCallableStatement, getConnection, getPreparedStatement, getSqlTranslator, getStatement, setSizeContraints, translateCommand

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.teiid.connector.api.Execution

cancel

Field Detail

results

protected java.sql.ResultSet results

env

protected ConnectorEnvironment env

command

protected ICommand command

columnDataTypes

protected java.lang.Class<?>[] columnDataTypes

Constructor Detail

JDBCQueryExecution

public JDBCQueryExecution(ICommand command,
                          java.sql.Connection connection,
                          Translator sqlTranslator,
                          ConnectorLogger logger,
                          java.util.Properties props,
                          ExecutionContext context,
                          ConnectorEnvironment env)

Method Detail

execute

public void execute()
             throws ConnectorException

Description copied from interface: Execution

Execute the associated command. Results will be retrieved through a specific sub-interface call.

Specified by:

execute in interface Execution

Throws:

ConnectorException

initResultSetInfo

protected void initResultSetInfo()
                          throws java.sql.SQLException

Throws:

java.sql.SQLException

next

public java.util.List<?> next()
                       throws ConnectorException,
                              DataNotAvailableException

Description copied from interface: ResultSetExecution

Retrieves the next row of the resultset.

Specified by:

next in interface ResultSetExecution

Returns:

the next row or null indicating that there are no more results

Throws:

ConnectorException

DataNotAvailableException

trimString

public static java.lang.String trimString(java.lang.String value)

Expects string to never be null

Parameters:

value - Incoming value

Returns:

Right trimmed value

Since:

4.2

close

public void close()
           throws ConnectorException

Description copied from interface: Execution

Terminates the execution normally.

Specified by:

close in interface Execution

Overrides:

close in class JDBCBaseExecution

Throws:

ConnectorException

See Also:

JDBCBaseExecution.close()