MissingStrategy.java

/*
 * Copyright 2012 Jakob Külzer
 * 
 * Licensed 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.om.core.api.annotation;

/**
 * Describes strategies for handling non existing properties.
 * 
 * @author Jakob Külzer
 * 
 */
public enum MissingStrategy {

	/**
	 * Return a default value. The default value can be specified with the
	 * {@link Property} annotation.
	 */
	DefaultValue,

	/**
	 * Return <tt>null</tt> if the property is not found. This applies both for
	 * primitive and reference types. This is the default behavior.
	 */
	ReturnNull,

	/**
	 * Throw an exception. The type of the exception can be specified with the
	 * {@link Property} annotation.
	 */
	ThrowException

}