Package org.apache.xbean.asm

Examples of org.apache.xbean.asm.MethodVisitor.visitInsn()

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        MethodVisitor mv = mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, beanClassName, "<init>", "()V");

        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

    public boolean isUnknownPk() {
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            // push the pk field
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, implClassName, pkField.getName(), pkField.getDescriptor());

            // return the pk field (from the stack)
            mv.visitInsn(pkField.getType().getOpcode(IRETURN));
        } else if (Object.class.equals(primKeyClass)) {
            // this is a container-generated primary key.  It's a long value stored in
            // a generated field.  We return that value, wrappered in a Long instance.
           
            // push the pk field
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            // push the pk field
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, implClassName, UNKNOWN_PK_NAME, UNKNOWN_PK_TYPE.getDescriptor());

            // return the pk field (from the stack)
            mv.visitInsn(UNKNOWN_PK_TYPE.getOpcode(IRETURN));
        } else {
            // We have a primary key class defined.  For every field that matches one of the
            // defined CMP fields, we generate code to copy that value into the corresponding
            // field of the primary key class.
            String pkImplName = primKeyClass.getName().replace('.', '/');
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            // field of the primary key class.
            String pkImplName = primKeyClass.getName().replace('.', '/');

            // new Pk();
            mv.visitTypeInsn(NEW, pkImplName);
            mv.visitInsn(DUP);
            mv.visitMethodInsn(INVOKESPECIAL, pkImplName, "<init>", "()V");
            mv.visitVarInsn(ASTORE, 1);
            mv.visitVarInsn(ALOAD, 1);

            // copy each field from the ejb to the pk class
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                mv.visitFieldInsn(PUTFIELD, pkImplName, cmpField.getName(), cmpField.getDescriptor());
                mv.visitVarInsn(ALOAD, 1);
            }

            // return the Pk();
            mv.visitInsn(ARETURN);
        }

        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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        // if the style is a single value, then we're going to need to cast this
        // to the target class before returning. 
        if (cmrField.getCmrStyle() == CmrStyle.SINGLE) {
            mv.visitTypeInsn(CHECKCAST, cmrField.getProxyType().getInternalName());
        }
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

   
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            mv.visitFieldInsn(GETFIELD, implClassName, cmrField.getName() + "Cmr", cmrField.getAccessorDescriptor());
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, implClassName, cmrField.getName(), cmrField.getDescriptor());
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEVIRTUAL, cmrField.getAccessorInternalName(), "set", cmrField.getCmrStyle().getSetterDescriptor());
            mv.visitInsn(RETURN);
        } else {
            // this is a single value.  We pass the existing value and the old value to
            // the accessor, then must cast the accessor return value to the target type
            // so we can store it in the real CMR field.
            mv.visitVarInsn(ALOAD, 0);
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            mv.visitFieldInsn(GETFIELD, implClassName, cmrField.getName(), cmrField.getDescriptor());
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEVIRTUAL, cmrField.getAccessorInternalName(), "set", cmrField.getCmrStyle().getSetterDescriptor());
            mv.visitTypeInsn(CHECKCAST, cmrField.getType().getInternalName());
            mv.visitFieldInsn(PUTFIELD, implClassName, cmrField.getName(), cmrField.getDescriptor());
            mv.visitInsn(RETURN);
        }
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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        // object[i] = arg${i}
        int i = 0;
        for (Class<?> parameterType : selectMethod.getParameterTypes()) {
            // push arguement i on stack
            mv.visitInsn(DUP);
            bipush(mv, i);
            mv.visitVarInsn(Type.getType(parameterType).getOpcode(ILOAD), i + 1);

            // convert argument on stack to an Object
            Convert.toObjectFrom(mv, parameterType);
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            // convert argument on stack to an Object
            Convert.toObjectFrom(mv, parameterType);

            // store it into the array
            mv.visitInsn(AASTORE);

            if (long.class.equals(parameterType) || double.class.equals(parameterType)) {
                // longs and doubles are double wide
                i = i + 2;
            } else {
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