net.sf.ehcache.search.attribute
Class ValueObjectAttributeExtractor
java.lang.Object
net.sf.ehcache.search.attribute.ValueObjectAttributeExtractor
- All Implemented Interfaces:
- Serializable, AttributeExtractor
public class ValueObjectAttributeExtractor
- extends Object
- implements AttributeExtractor
Attempt to use the element value object itself as a search attribute. If the value is not a legal type it is omitted
- Author:
- teck
- See Also:
- Serialized Form
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
ValueObjectAttributeExtractor
public ValueObjectAttributeExtractor()
attributeFor
public Object attributeFor(Element element,
String attributeName)
throws AttributeExtractorException
- Extract the attribute value. The instance returned from this method must
be one of:
- java.lang.Boolean
- java.lang.Byte
- java.lang.Character
- java.lang.Double
- java.lang.Float
- java.lang.Integer
- java.lang.Long
- java.lang.Short
- java.lang.String
- java.util.Date
- java.sql.Date
- java.lang.Enum
NOTE: null is a legal return here as well indicating that this attribute will not be available for the given element
- Specified by:
attributeFor
in interface AttributeExtractor
- Parameters:
element
- the cache element to inspectattributeName
- the name of the requested attribute
- Returns:
- the attribute value
- Throws:
AttributeExtractorException
- if the attribute cannot be found or extracted
Copyright 2001-2014, Terracotta, Inc.