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Attribute增加subclass参数用于识别泛型的子类

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Redkale
2019-12-18 22:06:54 +08:00
parent 26d1a10bd0
commit 9b83abb06a
1 changed files with 24 additions and 6 deletions
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30
src/org/redkale/util/Attribute.java
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@@ -37,6 +37,8 @@ import static org.redkale.asm.Opcodes.*;
* *
* private java.lang.reflect.Type _gtype = String.class; * private java.lang.reflect.Type _gtype = String.class;
* *
* private java.lang.Object _attach;
*
* @Override * @Override
* public String field() { * public String field() {
* return "name"; * return "name";
@@ -63,6 +65,11 @@ import static org.redkale.asm.Opcodes.*;
* } * }
* *
* @Override * @Override
* public Object attach() {
* return _attach;
* }
*
* @Override
* public Class declaringClass() { * public Class declaringClass() {
* return Record.class; * return Record.class;
* } * }
@@ -680,6 +687,7 @@ public interface Attribute<T, F> {
final String fieldname = fieldalias; final String fieldname = fieldalias;
Class column = fieldtype; Class column = fieldtype;
java.lang.reflect.Type generictype = fieldtype; java.lang.reflect.Type generictype = fieldtype;
System.out.println("------------generictype：" + generictype + ", tfield: " + tfield + ", tgetter: " + tgetter);
if (tfield != null) { // public tfield if (tfield != null) { // public tfield
column = tfield.getType(); column = tfield.getType();
generictype = tfield.getGenericType(); generictype = tfield.getGenericType();
@@ -694,19 +702,25 @@ public interface Attribute<T, F> {
} else if (column == null) { } else if (column == null) {
throw new RuntimeException("[" + clazz + "]have no field type"); throw new RuntimeException("[" + clazz + "]have no field type");
} }
boolean checkCast = false;
if (generictype instanceof java.lang.reflect.TypeVariable) {
checkCast = true;
generictype = TypeToken.getGenericType(generictype, subclass);
if (generictype instanceof Class) column = (Class) generictype;
}
final Class pcolumn = column; final Class pcolumn = column;
if (column.isPrimitive()) column = java.lang.reflect.Array.get(java.lang.reflect.Array.newInstance(column, 1), 0).getClass(); if (column.isPrimitive()) column = java.lang.reflect.Array.get(java.lang.reflect.Array.newInstance(column, 1), 0).getClass();
final String supDynName = Attribute.class.getName().replace('.', '/'); final String supDynName = Attribute.class.getName().replace('.', '/');
final String interName = clazz.getName().replace('.', '/'); final String interName = subclass.getName().replace('.', '/');
final String columnName = column.getName().replace('.', '/'); final String columnName = column.getName().replace('.', '/');
final String interDesc = Type.getDescriptor(clazz); final String interDesc = Type.getDescriptor(subclass);
final String columnDesc = Type.getDescriptor(column); final String columnDesc = Type.getDescriptor(column);
ClassLoader loader = Thread.currentThread().getContextClassLoader(); ClassLoader loader = Thread.currentThread().getContextClassLoader();
String newDynName = supDynName + "_Dyn_" + clazz.getSimpleName() + "_" String newDynName = supDynName + "_Dyn_" + subclass.getSimpleName() + "_"
+ fieldname.substring(fieldname.indexOf('.') + 1) + "_" + pcolumn.getSimpleName().replace("[]", "Array"); + fieldname.substring(fieldname.indexOf('.') + 1) + "_" + pcolumn.getSimpleName().replace("[]", "Array");
if (String.class.getClassLoader() != clazz.getClassLoader()) { if (String.class.getClassLoader() != subclass.getClassLoader()) {
loader = clazz.getClassLoader(); loader = subclass.getClassLoader();
newDynName = interName + "_Dyn" + Attribute.class.getSimpleName() + "_" newDynName = interName + "_Dyn" + Attribute.class.getSimpleName() + "_"
+ fieldname.substring(fieldname.indexOf('.') + 1) + "_" + pcolumn.getSimpleName().replace("[]", "Array"); + fieldname.substring(fieldname.indexOf('.') + 1) + "_" + pcolumn.getSimpleName().replace("[]", "Array");
} }
@@ -790,7 +804,7 @@ public interface Attribute<T, F> {
} }
{ //declaringClass 方法 { //declaringClass 方法
mv = cw.visitMethod(ACC_PUBLIC, "declaringClass", "()Ljava/lang/Class;", null, null); mv = cw.visitMethod(ACC_PUBLIC, "declaringClass", "()Ljava/lang/Class;", null, null);
mv.visitLdcInsn(Type.getType(clazz)); mv.visitLdcInsn(Type.getType(subclass));
mv.visitInsn(ARETURN); mv.visitInsn(ARETURN);
mv.visitMaxs(1, 1); mv.visitMaxs(1, 1);
mv.visitEnd(); mv.visitEnd();
@@ -807,6 +821,8 @@ public interface Attribute<T, F> {
if (pcolumn != column) { if (pcolumn != column) {
mv.visitMethodInsn(INVOKESTATIC, columnName, "valueOf", "(" + Type.getDescriptor(pcolumn) + ")" + columnDesc, false); mv.visitMethodInsn(INVOKESTATIC, columnName, "valueOf", "(" + Type.getDescriptor(pcolumn) + ")" + columnDesc, false);
m = 2; m = 2;
} else {
if (checkCast) mv.visitTypeInsn(CHECKCAST, columnName);
} }
} }
} else { } else {
@@ -815,6 +831,8 @@ public interface Attribute<T, F> {
if (pcolumn != column) { if (pcolumn != column) {
mv.visitMethodInsn(INVOKESTATIC, columnName, "valueOf", "(" + Type.getDescriptor(pcolumn) + ")" + columnDesc, false); mv.visitMethodInsn(INVOKESTATIC, columnName, "valueOf", "(" + Type.getDescriptor(pcolumn) + ")" + columnDesc, false);
m = 2; m = 2;
} else {
if (checkCast) mv.visitTypeInsn(CHECKCAST, columnName);
} }
} }
mv.visitInsn(ARETURN); mv.visitInsn(ARETURN);