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import rx.Observable;

import rx.Subscriber;

import rx.Subscription;

import rx.functions.Action1;

import rx.functions.Func1;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

/**

* See example 8 for Lambda example

* Created by matie on 25/04/15.

*/

public class example7 {

public static void main(String[] args){

//flatMap() example (the ugly way)

/**

* <p>flatMap() takes as an input the emitted list from the <code>query</code>

* function and returns a set of new Observables using the from() operator

* </p>

*

* <p>The Subscriber will subscribe to the newly created observables

* and prints out the emitted item(s), which in this case is a single variable</p>

*

*/

query("rx").flatMap(new Func1<List<String>, Observable<String>>() {

@Override

public Observable<String> call(List<String> strings) {

return Observable.from(strings);

}

}).subscribe(new Action1<String>() {

@Override

public void call(String s) {

System.out.println(s);

}

});

}

/**

* This method takes a {@link String} value, and returns an Observable

* that emits a list of url composed from the passed parameter.

*

* @param text

* @return {@link Observable}

*/

private static Observable<List<String>> query(String text){

Observable<List<String>> myObservable = Observable.create(new Observable.OnSubscribe<List<String>>() {

@Override

public void call(Subscriber<? super List<String>> subscriber) {

List<String> myList = new ArrayList<String>();

for(int i = 0 ; i < 100 ; i++){

myList.add(text+ i + ".com");

}

if(!subscriber.isUnsubscribed()){

subscriber.onNext(myList);

subscriber.onCompleted();

}

}

});

return myObservable;

}

}