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 /*
  * Copyright 2002-2009 the original author or authors.
  *
  * 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.springframework.beans;

Holder containing one or more PropertyValue objects, typically comprising one update for a specific target bean.

Author(s):
Rod Johnson
Juergen Hoeller
Since:
13 May 2001
See also:
PropertyValue
public interface PropertyValues {
   
Return an array of the PropertyValue objects held in this object.
Return the property value with the given name, if any.

Parameters:
propertyName the name to search for
Returns:
the property value, or null
Return the changes since the previous PropertyValues. Subclasses should also override equals.

Parameters:
old old property values
Returns:
PropertyValues updated or new properties. Return empty PropertyValues if there are no changes.
See also:
java.lang.Object.equals(java.lang.Object)
Is there a property value (or other processing entry) for this property?

Parameters:
propertyName the name of the property we're interested in
Returns:
whether there is a property value for this property
	boolean contains(String propertyName);

Does this holder not contain any PropertyValue objects at all?
	boolean isEmpty();
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