org.teiid.query.processor.xml
Interface PlanExecutor

public interface PlanExecutor

This interface is responsible for executing the queries for the XML processing environment.

Method Summary

void	close() close the plan and cleanup the resultset.
java.util.List	currentRow() Get the result set values of the current row.
void	execute(java.util.Map referenceValues) Execute the plan
java.util.List	getOutputElements() Get the ElementSymbol list which represents the schema of the result set
java.util.List	nextRow() Advance the resultset cursor to next row and retun the row values

Method Detail

execute

void execute(java.util.Map referenceValues)
             throws TeiidComponentException,
                    BlockedException,
                    TeiidProcessingException

Execute the plan

Parameters:

referenceValues - - values for any external references

Throws:

TeiidComponentException

BlockedException

TeiidProcessingException

getOutputElements

java.util.List getOutputElements()
                                 throws TeiidComponentException

Get the ElementSymbol list which represents the schema of the result set

Returns:

Throws:

TeiidComponentException

nextRow

java.util.List nextRow()
                       throws TeiidComponentException,
                              TeiidProcessingException

Advance the resultset cursor to next row and retun the row values

Returns:

values of the row

Throws:

TeiidComponentException

TeiidProcessingException

currentRow

java.util.List currentRow()
                          throws TeiidComponentException,
                                 TeiidProcessingException

Get the result set values of the current row.

Returns:

Throws:

TeiidComponentException

TeiidProcessingException

close

void close()
           throws TeiidComponentException

close the plan and cleanup the resultset.

Throws:

TeiidComponentException