Java8consumer风格Builder-创新互联
创新互联为您提适合企业的网站设计 让您的网站在搜索引擎具有高度排名,让您的网站具备超强的网络竞争力!结合企业自身,进行网站设计及把握,最后结合企业文化和具体宗旨等,才能创作出一份性化解决方案。从网站策划到网站制作、做网站, 我们的网页设计师为您提供的解决方案。> 1 public static class GenericBuilder {
2 private final Supplier instantiate;
3
4 private final List> consumers = new ArrayList<>();
5
6 public GenericBuilder(Supplier instantiate) {
7 this.instantiate = instantiate;
8 }
9
10 public static GenericBuilder of(Supplier instantiator) {
11 return new GenericBuilder<>(instantiator);
12 }
13
14 public GenericBuilder with(BiConsumer biConsumer, U value) {
15 Consumer setOperationFunction = instance -> biConsumer.accept(instance, value);
16 consumers.add(setOperationFunction);
17 return this;
18 }
19
20 public T build() {
21 T instance = instantiate.get();
22
23 // loop call each set function with object instance!24 consumers.forEach(consumer -> consumer.accept(instance));
25 consumers.clear();
26
27 return instance;
28 }
29 }
使用:
1 public class Dummy {
2 private String name;
3 private Integer age;
4 private Boolean foreigner;
5
6 public String getName() {
7 return name;
8 }
9
10 public void setName(String name) {
11 this.name = name;
12 }
13
14 public Integer getAge() {
15 return age;
16 }
17
18 public void setAge(Integer age) {
19 this.age = age;
20 }
21
22 public Boolean getForeigner() {
23 return foreigner;
24 }
25
26 public void setForeigner(Boolean foreigner) {
27 this.foreigner = foreigner;
28 }
29
30
31 }
Dummy build = GenericBuilder.of(Dummy::new).with(Dummy::setAge, 12)
.with(Dummy::setName,"Vodoo")
.with(Dummy::setForeigner,false).build();
网页标题:Java8consumer风格Builder-创新互联
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