| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.openjpa.kernel.exps; |
| |
| import org.apache.openjpa.kernel.Filters; |
| import org.apache.openjpa.kernel.StoreContext; |
| |
| /** |
| * Represents a type literal. |
| * |
| * @author Catalina Wei |
| */ |
| class TypeLit |
| extends Val |
| implements Literal { |
| |
| |
| private static final long serialVersionUID = 1L; |
| private Object _val; |
| private final int _ptype; |
| |
| /** |
| * Constructor. Provide constant value. |
| */ |
| public TypeLit(Object val, int ptype) { |
| _val = val; |
| _ptype = ptype; |
| } |
| |
| @Override |
| public Object getValue() { |
| return _val; |
| } |
| |
| @Override |
| public void setValue(Object val) { |
| _val = val; |
| } |
| |
| @Override |
| public int getParseType() { |
| return _ptype; |
| } |
| |
| @Override |
| public Object getValue(Object[] parameters) { |
| return _val; |
| } |
| |
| @Override |
| public Class getType() { |
| return (_val == null) ? Object.class : _val.getClass(); |
| } |
| |
| @Override |
| public void setImplicitType(Class type) { |
| _val = Filters.convert(_val, type); |
| } |
| |
| @Override |
| protected Object eval(Object candidate, Object orig, |
| StoreContext ctx, Object[] params) { |
| return _val; |
| } |
| } |