Package io.micronaut.function.executor

Class FunctionInitializer

java.lang.Object

io.micronaut.function.executor.AbstractExecutor

io.micronaut.function.executor.FunctionInitializer

All Implemented Interfaces:

ApplicationContextProvider, Closeable, AutoCloseable

public class FunctionInitializer
extends AbstractExecutor

A super class that can be used to initialize a function.

Since:

1.0

Author:

Graeme Rocher

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	FunctionInitializer.ParseContext	The parse context supplied from the run(String[], Function) method.

Field Summary

Fields

Modifier and Type	Field	Description
protected final boolean	closeContext

Fields inherited from class io.micronaut.function.executor.AbstractExecutor

applicationContext

Constructor Summary

Constructors

Modifier	Constructor	Description
	FunctionInitializer()	Constructor.
protected	FunctionInitializer(ApplicationContext applicationContext)	Start a function for an existing ApplicationContext.
protected	FunctionInitializer(ApplicationContext applicationContext, boolean inject)	Start a function for an existing ApplicationContext.

Method Summary

Modifier and Type	Method	Description
void	close()
protected void	injectThis(ApplicationContext applicationContext)	Injects this instance.
void	run(String[] args, Function<FunctionInitializer.ParseContext,?> supplier)	This method is designed to be called when using the FunctionInitializer from a static Application main method.
protected void	startThis(ApplicationContext applicationContext)	Start this environment.

Methods inherited from class io.micronaut.function.executor.AbstractExecutor

buildApplicationContext, getApplicationContext, newApplicationContextBuilder, resolveFunction, resolveFunctionName, startEnvironment

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

closeContext

protected final boolean closeContext

Constructor Details

FunctionInitializer

public FunctionInitializer()

Constructor.

FunctionInitializer

protected FunctionInitializer(ApplicationContext applicationContext)

Start a function for an existing ApplicationContext.

Parameters:

applicationContext - The application context

FunctionInitializer

protected FunctionInitializer(ApplicationContext applicationContext,
 boolean inject)

Start a function for an existing ApplicationContext.

Parameters:

applicationContext - The application context

inject - inject this into the application flag

Method Details

close

@Internal
public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class AbstractExecutor

Throws:

IOException

run

public void run(String[] args,
 Function<FunctionInitializer.ParseContext,?> supplier)
         throws IOException

This method is designed to be called when using the FunctionInitializer from a static Application main method.

Parameters:

args - The arguments passed to main

supplier - The function that executes this function

Throws:

IOException - If an error occurs

startThis

protected void startThis(ApplicationContext applicationContext)

Start this environment.

Parameters:

applicationContext - The application context

injectThis

protected void injectThis(ApplicationContext applicationContext)

Injects this instance.

Parameters:

applicationContext - The ApplicationContext