com.espertech.esper.plugin
Interface PluginLoader

public interface PluginLoader

Interface for loaders of input/output adapters or any other adapter that may participate in an engine lifecycle.

Method Summary

void	destroy() Destroys adapter loader and adapters loaded.
void	init(PluginLoaderInitContext context) Initializes the adapter loader.
void	postInitialize() Called after an engine instances has fully initialized and is already registered with EPServiceProviderManager.

Method Detail

init

void init(PluginLoaderInitContext context)

Initializes the adapter loader.

Invoked before the engine instance is fully initialized. Thereby this is not the place to look up an engine instance from EPServiceProviderManager and use it. Use the postInitialize() method instead.

Parameters:

context - the plug in context

postInitialize

void postInitialize()

Called after an engine instances has fully initialized and is already registered with EPServiceProviderManager.

Since:

3.3.0

destroy

void destroy()

Destroys adapter loader and adapters loaded.

Invoked upon EPServiceProvider.destroy() before the engine instance is actually destroyed.

Implementations may block to ensure dependent threads are stopped or other resources released.