X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fedu%2Fberkeley%2Fsbp%2Fbind%2FBindable.java;h=7c620c94bd4024717ac27123f1867dccf132a184;hb=34202c7836b0f48a034f38e4477623d512d0b2d5;hp=c2c0a02400bf091cf3e06acf72160373041273cc;hpb=8abe88ea7a5d7b1fc20c45b05e6397dad81e7cdb;p=sbp.git

diff --git a/src/edu/berkeley/sbp/bind/Bindable.java b/src/edu/berkeley/sbp/bind/Bindable.java
index c2c0a02..7c620c9 100644
--- a/src/edu/berkeley/sbp/bind/Bindable.java
+++ b/src/edu/berkeley/sbp/bind/Bindable.java
@@ -20,6 +20,7 @@ public abstract class Bindable implements ToJava {
 
     public abstract Annotation[][] getArgAnnotations();
     public abstract String[]       getArgNames();
+    public abstract Class[]        getArgTypes();
 
     public static Bindable create(Object o) {
         if (o instanceof Class) return new BindableClass((Class)o);
@@ -28,6 +29,25 @@ public abstract class Bindable implements ToJava {
         return null;
     }
 
+    public Binding createBinding() {
+        return new Binding() {
+                public Object invoke(Object[] o) {
+                    return impose(o);
+                }
+            };
+    }
+    public Binding createBinding(final int[] map) {
+        return new Binding() {
+                public Object invoke(Object[] o) {
+                    int max = 0;
+                    for(int i=0; i<map.length; i++) max = Math.max(map[i], max);
+                    Object[] o2 = new Object[max+1];
+                    for(int i=0; i<o.length; i++) o2[map[i]] = o[i];
+                    return impose(o2);
+                }
+            };
+    }
+
     private static class BindableMethod extends Bindable {
         private final Method _method;
         public String toString() { return "BindableMethod["+_method+"]"; }
@@ -37,6 +57,7 @@ public abstract class Bindable implements ToJava {
         public Object impose(Object[] fields) { return Reflection.impose(_method, fields); }
         public Annotation[][] getArgAnnotations() { return _method.getParameterAnnotations(); }
         public String[]       getArgNames() { return new String[_method.getParameterTypes().length]; }
+        public Class[]        getArgTypes() { return _method.getParameterTypes(); }
         public void toJava(StringBuffer sb) {
             sb.append("Bindable.create(");
             sb.append(_method.getDeclaringClass().getName().replace('$','.'));
@@ -52,11 +73,12 @@ public abstract class Bindable implements ToJava {
         private final Constructor _constructor;
         public String toString() { return "BindableConstructor["+_constructor+"]"; }
         public BindableConstructor(Constructor _constructor) { this._constructor = _constructor; }
-        public String getSimpleName() { return _constructor.getName(); }
+        public String getSimpleName() { return _constructor.getDeclaringClass().getSimpleName(); }
         public <A extends Annotation> A getAnnotation(Class<A> c) { return _constructor.getAnnotation(c); }
         public Object impose(Object[] fields) { return Reflection.impose(_constructor, fields); }
         public Annotation[][] getArgAnnotations() { return _constructor.getParameterAnnotations(); }
         public String[]       getArgNames() { return new String[_constructor.getParameterTypes().length]; }
+        public Class[]        getArgTypes() { return _constructor.getParameterTypes(); }
         public void toJava(StringBuffer sb) {
             sb.append("Bindable.create(");
             sb.append(_constructor.getDeclaringClass().getName().replace('$','.'));
@@ -87,6 +109,13 @@ public abstract class Bindable implements ToJava {
                 ret[i] = fields[i].getName();
             return ret;
         }
+        public Class[]       getArgTypes() {
+            Field[] fields = _class.getFields();
+            Class[] ret = new Class[fields.length];
+            for(int i=0; i<fields.length; i++)
+                ret[i] = fields[i].getType();
+            return ret;
+        }
         public void toJava(StringBuffer sb) {
             sb.append("Bindable.create(");
             sb.append(_class.getName().replace('$','.'));