版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/xiogjie_67/article/details/78364216
package com.gdc.rxjava;
import rx.Observable;
import rx.Subscriber;
import rx.functions.Func2;
public class TestCombining {
public static void main(String[] args) {
// testZip();
// testMerge();
// startWith();
testCombineLatest();
}
private static void testZip() {
Observable<Integer> observable1 = Observable.just(10, 20, 30);
Observable<Integer> observable2 = Observable.just(4, 8, 12, 16);
Observable.zip(observable1, observable2, new Func2<Integer, Integer, Integer>() {
@Override
public Integer call(Integer arg0, Integer arg1) {
return arg0 + arg1;
}
}).subscribe(new Subscriber<Integer>() {
@Override
public void onCompleted() {
System.out.println("onCompleted()");
}
@Override
public void onError(Throwable arg0) {
System.out.println("onError():" + arg0);
}
@Override
public void onNext(Integer arg0) {
System.out.println("onNext():" + arg0);
}
});
}
private static void testMerge() {
Observable<Integer> odds = Observable.just(1, 3, 5);
Observable<Integer> events = Observable.just(2, 4, 6);
Observable.merge(odds, events).subscribe(new Subscriber<Integer>() {
@Override
public void onCompleted() {
System.out.println("onCompleted()");
}
@Override
public void onError(Throwable arg0) {
System.out.println("onError():" + arg0);
}
@Override
public void onNext(Integer arg0) {
System.out.println("onNext():" + arg0);
}
});
}
private static void startWith() {
Observable<Integer> first = Observable.just(1, 3, 5);
Observable<Integer> second = Observable.just(2, 4, 6);
first.startWith(second).subscribe(new Subscriber<Integer>() {
@Override
public void onCompleted() {
System.out.println("onCompleted()");
}
@Override
public void onError(Throwable arg0) {
System.out.println("onError():" + arg0);
}
@Override
public void onNext(Integer arg0) {
System.out.println("onNext():" + arg0);
}
});
}
private static void testCombineLatest() {
Observable<Integer> first = Observable.just(1, 3, 5);
Observable<Integer> second = Observable.just(2, 4, 6);
first.combineLatest(first, second, new Func2<Integer, Integer, Integer>() {
@Override
public Integer call(Integer arg0, Integer arg1) {
System.out.println("arg0:" + arg0 + " arg1:" + arg1);
return arg0 + arg1;
}
}).subscribe(new Subscriber<Integer>() {
@Override
public void onCompleted() {
System.out.println("onCompleted()");
}
@Override
public void onError(Throwable arg0) {
System.out.println("onError():" + arg0);
}
@Override
public void onNext(Integer arg0) {
System.out.println("onNext():" + arg0);
}
});
}
}