| /* |
| * 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.openejb.core.cmp; |
| |
| import java.lang.reflect.Field; |
| import javax.ejb.EntityBean; |
| |
| import org.apache.openejb.OpenEJBException; |
| |
| public class SimpleKeyGenerator extends AbstractKeyGenerator { |
| private final Field pkField; |
| |
| public SimpleKeyGenerator(Class beanClass, String pkField) throws OpenEJBException { |
| this.pkField = getField(beanClass, pkField); |
| if (!isValidPkField(this.pkField)) { |
| throw new OpenEJBException("Invalid primray key field: " + pkField); |
| } |
| } |
| |
| public Object getPrimaryKey(EntityBean bean) { |
| Object value = getFieldValue(pkField, bean); |
| return value; |
| } |
| } |