|
1
8
9
15 package jfun.yan;
16
17 import jfun.yan.function.Function;
18
19
25 final class IndexedPropertyWriter implements Function {
26 private final jfun.util.beans.Bean bean;
27 private final String  prop;
28 private final int ind;
29
30 IndexedPropertyWriter(final jfun.util.beans.Bean bean,
31 final String prop, final int ind) {
32 this.bean = bean;
33 this.prop = prop;
34 this.ind = ind;
35 }
36
37 public Object call(Object [] args) throws Throwable {
38 bean.setProperty(prop, ind, args[0]);
39 return bean.getObject();
40 }
41 public Class [] getParameterTypes() {
42 return new Class []{bean.getBeanType().getIndexedPropertyType(prop)};
43 }
44 public Class getReturnType() {
45 final Object obj = bean.getObject();
46 return obj==null?bean.getBeanType().getType():obj.getClass();
47 }
48 public boolean isConcrete(){
49 return bean.getObject()!=null;
50 }
51 public boolean equals(Object obj) {
52 if(obj instanceof IndexedPropertyWriter){
53 final IndexedPropertyWriter other = (IndexedPropertyWriter)obj;
54 return ind==other.ind && prop.equals(other.prop) &&
55 bean.equals(other.bean);
56 }
57 else return false;
58 }
59 public int hashCode() {
60 return (bean.hashCode() * 31 + prop.hashCode())*31+ind;
61 }
62 public String toString() {
63 return bean.toString() + "." + prop+"["+ind+"]=";
64 }
65 public String getName(){
66 return prop;
67 }
68 }
69 |
Popular Tags |
Java API By Example, From Geeks To Geeks.