com.espertech.esper.core.start
Interface EPStatementStartMethod

All Known Implementing Classes:

EPStatementStartMethodBase, EPStatementStartMethodCreateContext, EPStatementStartMethodCreateExpression, EPStatementStartMethodCreateGraph, EPStatementStartMethodCreateIndex, EPStatementStartMethodCreateSchema, EPStatementStartMethodCreateTable, EPStatementStartMethodCreateVariable, EPStatementStartMethodCreateWindow, EPStatementStartMethodOnTrigger, EPStatementStartMethodSelect, EPStatementStartMethodUpdate

public interface EPStatementStartMethod

Starts and provides the stop method for EPL statements.

Method Summary

StatementSpecCompiled	getStatementSpec()
EPStatementStartResult	start(EPServicesContext services, StatementContext statementContext, boolean isNewStatement, boolean isRecoveringStatement, boolean isRecoveringResilient) Starts the EPL statement.

Method Detail

start

EPStatementStartResult start(EPServicesContext services,
                             StatementContext statementContext,
                             boolean isNewStatement,
                             boolean isRecoveringStatement,
                             boolean isRecoveringResilient)
                             throws ExprValidationException,
                                    ViewProcessingException

Starts the EPL statement.

Parameters:

statementContext - statement level services

isNewStatement - indicator whether the statement is new or a stop-restart statement

isRecoveringStatement - true to indicate the statement is in the process of being recovered

isRecoveringResilient - true to indicate the statement is in the process of being recovered and that statement is resilient @throws com.espertech.esper.epl.expression.ExprValidationException when the expression validation fails

Returns:

a viewable to attach to for listening to events, and a stop method to invoke to clean up

Throws:

ViewProcessingException - when views cannot be started

ExprValidationException

getStatementSpec

StatementSpecCompiled getStatementSpec()