Examples with Bytecode javassist.bytecode.Bytecode used on opensource projects

Example 36 with Bytecode

use of javassist.bytecode.Bytecode in project hibernate-orm by hibernate.

the class BulkAccessorFactory method addDefaultConstructor.

/**
 * Declares a constructor that takes no parameter.
 *
 * @param classfile The class descriptor
 *
 * @throws CannotCompileException Indicates trouble with the underlying Javassist calls
 */
private void addDefaultConstructor(ClassFile classfile) throws CannotCompileException {
    final ConstPool constPool = classfile.getConstPool();
    final String constructorSignature = "()V";
    final MethodInfo constructorMethodInfo = new MethodInfo(constPool, MethodInfo.nameInit, constructorSignature);
    final Bytecode code = new Bytecode(constPool, 0, 1);
    // aload_0
    code.addAload(0);
    // invokespecial
    code.addInvokespecial(BulkAccessor.class.getName(), MethodInfo.nameInit, constructorSignature);
    // return
    code.addOpcode(Opcode.RETURN);
    constructorMethodInfo.setCodeAttribute(code.toCodeAttribute());
    constructorMethodInfo.setAccessFlags(AccessFlag.PUBLIC);
    classfile.addMethod(constructorMethodInfo);
}