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1 package jfun.yan;
2 import jfun.util.Misc;
3 import jfun.util.SerializableField;
4 import jfun.yan.function.Function;
5
6
12 final class FieldFunction implements Function{
13 private final Object  obj;
14 private final jfun.util.SerializableField fld;
15 private static final Class [] param_types = new Class [0];
16 public Object call(Object [] args)
17 throws IllegalAccessException {
18 return fld.getField().get(obj);
19 }
20 public Class [] getParameterTypes() {
21 return param_types;
22 }
23 public Class getReturnType() {
24 return fld.getField().getType();
25 }
26 public boolean isConcrete(){
27 return false;
28 }
29 FieldFunction(final Object obj, final java.lang.reflect.Field fld) {
30 this.obj = obj;
31 this.fld = new SerializableField(fld);
32 }
33
34 public boolean equals(Object other) {
35 if(other instanceof FieldFunction){
36 final FieldFunction m2 = (FieldFunction)other;
37 return obj==m2.obj && fld.equals(m2.fld);
38 }
39 else return false;
40 }
41 public String getName() {
42 return fld.getField().getName();
43 }
44 public int hashCode() {
45 return Misc.hashcode(obj)*31+fld.hashCode();
46 }
47 public String toString() {
48 return fld.toString();
49 }
50 }
51 |
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