com.espertech.esper.client.hook

Interface SQLOutputRowConversion

public interface SQLOutputRowConversion

Implement this interface when providing a callback for SQL row result processing for a statement, converting each row's values into a POJO.

Rows can also be skipped via this callback, determined by the implementation returning a null value for a row.

An instance of the class implementating this interface exists typically per statement that the callback has been registered for by means of EPL statement annotation.

Method Summary

Modifier and Type	Method and Description
Object	getOutputRow(SQLOutputRowValueContext context) Returns the POJO object that represents a row of the SQL query result, or null to indicate to skip this row.
Class	getOutputRowType(SQLOutputRowTypeContext context) Return the POJO class that represents a row of the SQL query result.

Method Detail

getOutputRowType

Class getOutputRowType(SQLOutputRowTypeContext context)

Return the POJO class that represents a row of the SQL query result.

Parameters:

context - receives the context information such as database name, query fired and types returned by query

Returns:

class that represents a result row

getOutputRow

Object getOutputRow(SQLOutputRowValueContext context)

Returns the POJO object that represents a row of the SQL query result, or null to indicate to skip this row.

Parameters:

context - receives row result information

Returns:

POJO or null value to skip the row