Package serp.bytecode

Examples of serp.bytecode.Code.checkcast()

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                // get the managed instance into the local variable table
                code.aload().setParam(0);
                code.invokestatic().setMethod(ImplHelper.class,
                    "getManagedInstance", Object.class,
                    new Class[] { Object.class });
                code.checkcast().setType(_managedType);
                inst = code.getNextLocalsIndex();
                code.astore().setLocal(inst);

                // there might be a difference between the classes of 'this'
                // vs 'other' in this context; use the PC methods to get the SM
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                code.invokeinterface().setMethod(PersistenceCapable.class,
                    "pcGetStateManager", StateManager.class, null);
            } else {
                // XXX other = (XXX) pc;
                code.aload().setParam(0);
                code.checkcast().setType(_pc);
                inst = code.getNextLocalsIndex();
                code.astore().setLocal(inst);

                // access the other's sm field directly
                code.aload().setLocal(inst);
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                loadManagedInstance(code, false, fmds[i]);
                code.iload().setParam(0);
                code.invokeinterface().setMethod(getStateManagerMethod
                    (fmds[i].getDeclaredType(), "replace", true, false));
                if (!fmds[i].getDeclaredType().isPrimitive())
                    code.checkcast().setType(fmds[i].getDeclaredType());

                addSetManagedValueCode(code, fmds[i]);
                if(_addVersionInitFlag){
                    if(fmds[i].isVersion()){
                        // If this case is setting the version field
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        else
            code.aload().setParam(0);

        if (_meta.isObjectIdTypeShared()) {
            // oid = ((ObjectId) id).getId ();
            code.checkcast().setType(ObjectId.class);
            code.invokevirtual().setMethod(ObjectId.class, "getId",
                Object.class, null);
        }

        // <oid type> id = (<oid type>) oid;
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        }

        // <oid type> id = (<oid type>) oid;
        int id = code.getNextLocalsIndex();
        Class oidType = _meta.getObjectIdType();
        code.checkcast().setType(oidType);
        code.astore().setLocal(id);

        // int inherited = pcInheritedFieldCount;
        int inherited = 0;
        if (fieldManager) {
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                code.iload().setLocal(inherited);
                code.iadd();
                code.invokeinterface().setMethod
                    (getFieldSupplierMethod(type));
                if (fmds[i].getObjectIdFieldTypeCode() == JavaTypes.OBJECT) {
                  code.checkcast().setType(ObjectId.class);
                  code.invokevirtual().setMethod(ObjectId.class, "getId",
                  Object.class, null);                 
                }

                // if the type of this field meta data is
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                // if the type of this field meta data is
                // non-primitive and non-string, be sure to cast
                // to the appropriate type.
                if (!reflect && !type.isPrimitive()
                    && !type.getName().equals(String.class.getName()))
                    code.checkcast().setType(type);
            } else {
                loadManagedInstance(code, false);
                addGetManagedValueCode(code, fmds[i]);

                // get id/pk from pc instance
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        else
            code.aload().setParam(0);

        if (!_meta.isOpenJPAIdentity() && _meta.isObjectIdTypeShared()) {
            // oid = ((ObjectId) id).getId ();
            code.checkcast().setType(ObjectId.class);
            code.invokevirtual().setMethod(ObjectId.class, "getId",
                Object.class, null);
        }

        // <oid type> cast = (<oid type>) oid;
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        }

        // <oid type> cast = (<oid type>) oid;
        int id = code.getNextLocalsIndex();
        Class oidType = _meta.getObjectIdType();
        code.checkcast().setType(oidType);
        code.astore().setLocal(id);

        // fs.store<type>Field (<index>, id.<field>); or...
        // this.<field> = id.<field>
        // or for single field identity: id.getId ()
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                code.getstatic().setField(INHERIT, int.class);
                code.iadd();
                code.invokeinterface().setMethod(StateManager.class,
                    "getPCPrimaryKey", Object.class,
                    new Class[] { Object.class, int.class });
                code.checkcast().setType(fmds[i].getDeclaredType());
            } else {
                unwrapped = (fmds[i].getDeclaredTypeCode() == JavaTypes.PC)
                    ? type : unwrapSingleFieldIdentity(fmds[i]);
                if (fieldManager) {
                    code.aload().setParam(0);
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