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/* Glazed Lists (c) 2003-2006 */
/* http://publicobject.com/glazedlists/ publicobject.com,*/
/* O'Dell Engineering Ltd.*/
package ca.odell.glazedlists.impl.beans;
import ca.odell.glazedlists.FunctionList;
/**
* A {@link FunctionList.Function} that uses a {@link BeanProperty} to produce
* the result of the function.
*
* @author James Lemieux
*/
public class BeanFunction<E,V> implements FunctionList.Function<E,V> {
/** The {@link BeanProperty} that is capable of extracting the function's value from source objects. */
private final BeanProperty<E> property;
/**
* Create a new JavaBean property function that produces its value by
* extracting a property from source objects. This should be accessed from the
* {@link ca.odell.glazedlists.GlazedLists GlazedLists} tool factory.
*/
public BeanFunction(Class<E> beanClass, String propertyName) {
this.property = new BeanProperty<E>(beanClass, propertyName, true, false);
}
/** @inheritDoc */
public V evaluate(E sourceValue) {
return (V) property.get(sourceValue);
}
}
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