org.apache.openejb.core.cmp
abstract public class: AbstractKeyGenerator [javadoc |
source]
java.lang.Object
org.apache.openejb.core.cmp.AbstractKeyGenerator
All Implemented Interfaces:
KeyGenerator
Direct Known Subclasses:
SimpleKeyGenerator, ComplexKeyGenerator
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.
| Methods from java.lang.Object: |
|---|
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Method from org.apache.openejb.core.cmp.AbstractKeyGenerator Detail: |
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 public static Field getField(Class clazz,
String fieldName) throws OpenEJBException {
try {
return clazz.getField(fieldName);
} catch (NoSuchFieldException e) {
throw new OpenEJBException("Unable to get primary key field from entity bean class: " + clazz.getName(), e);
}
}
|
public static Object getFieldValue(Field field,
Object object) throws EJBException {
if (field == null) throw new NullPointerException("field is null");
if (object == null) throw new NullPointerException("object is null");
try {
return field.get(object);
} catch (Exception e) {
throw new EJBException("Could not get field value for field " + field, e);
}
} |
public static boolean isValidPkField(Field field) {
int modifiers = field.getModifiers();
return Modifier.isPublic(modifiers) && !Modifier.isStatic(modifiers);
} |
public static void setFieldValue(Field field,
Object object,
Object value) throws EJBException {
if (field == null) throw new NullPointerException("field is null");
if (object == null) throw new NullPointerException("object is null");
try {
field.set(object, value);
} catch (Exception e) {
throw new EJBException("Could not set field value for field " + field, e);
}
} |