ai.preferred.venom.fetcher

Class AsyncFetcher

java.lang.Object

ai.preferred.venom.fetcher.AsyncFetcher

All Implemented Interfaces:

Fetcher, AutoCloseable

public class AsyncFetcher
extends Object
implements Fetcher

This class holds the implementation to provide how items are fetched, to fetch the item, to validate the item and to store it if specified.

Author:

Maksim Tkachenko, Truong Quoc Tuan, Ween Jiann Lee

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AsyncFetcher.Builder

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AsyncFetcher(AsyncFetcher.Builder builder)

Method Summary

Modifier and Type	Method and Description
static AsyncFetcher	buildDefault()
static AsyncFetcher.Builder	builder()
void	close()
Future<Response>	fetch(Request request) Fetch the desired HTTP page given in Request.
Future<Response>	fetch(Request request, org.apache.http.concurrent.FutureCallback<Response> callback) Fetch the desired HTTP page given in Request.
void	start() Fetcher starter.

Methods inherited from class java.lang.Object

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

Constructor Detail

AsyncFetcher

protected AsyncFetcher(AsyncFetcher.Builder builder)

Method Detail

buildDefault

public static AsyncFetcher buildDefault()

builder

public static AsyncFetcher.Builder builder()

fetch

public Future<Response> fetch(Request request)

Description copied from interface: Fetcher

Fetch the desired HTTP page given in Request.

Specified by:

fetch in interface Fetcher

Parameters:

request - information for the page to fetch.

Returns:

Response future

fetch

public Future<Response> fetch(Request request,
                              org.apache.http.concurrent.FutureCallback<Response> callback)

Description copied from interface: Fetcher

Fetch the desired HTTP page given in Request. Executes callback upon completion.

Specified by:

fetch in interface Fetcher

Parameters:

request - information for the page to fetch.

callback - callback

Returns:

Response future

start

public void start()

Description copied from interface: Fetcher

Fetcher starter.

Specified by:

start in interface Fetcher

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception