Package com.illumon.iris.controller

Interface IPersistentQueryClient

All Superinterfaces:

QueryProcessorConnection.DisconnectHandler

All Known Implementing Classes:

PersistentQueryClient

public interface IPersistentQueryClient
extends QueryProcessorConnection.DisconnectHandler

Defines a bare minimum set of functions that a persistent query client needs to be able to fulfil. Mostly needed so that unit tests can simulate behaviors by a persistent query client.

Method Summary

Modifier and Type	Method	Description
void	addDisconnectHandler(QueryProcessorConnection.DisconnectHandler disconnectListener)	Add a new handler that knows what to do when this client becomes disconnected.
Table	getTable(String tableName)	Return a known table specified by its name from this persistent query client's data source.
void	onDisconnect()	What to do when this client becomes disconnected from its data source.
void	removeDisconnectHandler(QueryProcessorConnection.DisconnectHandler listenerToRemove)	Remove a known handler for disconnect events.

Method Details

getTable

Table getTable(String tableName)

Return a known table specified by its name from this persistent query client's data source.

Parameters:

tableName - The name of the table to return.

Returns:

A table by the specified name.

onDisconnect

void onDisconnect()

What to do when this client becomes disconnected from its data source.

Specified by:

onDisconnect in interface QueryProcessorConnection.DisconnectHandler

See Also:

QueryProcessorConnection.DisconnectHandler

addDisconnectHandler

void addDisconnectHandler(QueryProcessorConnection.DisconnectHandler disconnectListener)

Add a new handler that knows what to do when this client becomes disconnected.

Parameters:

disconnectListener - The listener for disconnect events.

removeDisconnectHandler

void removeDisconnectHandler(QueryProcessorConnection.DisconnectHandler listenerToRemove)

Remove a known handler for disconnect events.

Parameters:

listenerToRemove - The listener that should be removed.