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1 package jfun.yan;
2
3 import jfun.util.SerializableField;
4 import jfun.yan.function.Function;
5
6
7
15 final class FloatingFieldFunction implements Function {
16 private final Class  type;
17 private final SerializableField fld;
18 public boolean isConcrete(){
19 return false;
20 }
21 FloatingFieldFunction(final Class type,
22 final java.lang.reflect.Field fld) {
23 this.type = type;
24 this.fld = new SerializableField(fld);
25 }
26 public Class getReturnType() {
27 return fld.getField().getType();
28 }
29 public Class [] getParameterTypes() {
30 return new Class []{type};
31 }
32 public Object call(Object [] args)
33 throws IllegalAccessException {
34 return fld.getField().get(args[0]);
35 }
36
37 public boolean equals(Object obj) {
38 if(obj instanceof FloatingFieldFunction){
39 final FloatingFieldFunction other = (FloatingFieldFunction)obj;
40 return type.equals(other.type) && fld.equals(other.fld);
41 }
42 else return false;
43 }
44 public int hashCode() {
45 return type.hashCode()*31+fld.hashCode();
46 }
47 public String toString() {
48 return jfun.util.Misc.getTypeName(type)
49 + "::" + fld.getField().getName();
50 }
51 public String getName(){
52 return fld.getField().getName();
53 }
54 }
55 |
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