AttributeUpdater.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package sun.print;

import javax.print.attribute.PrintServiceAttributeSet;

/*
 * For use in updating listeners on attribute set changes.
 * Services which support this will report just the attributes changed
 * since the last call on this method. There should only be one client of
 * this method on a particular print service.
 * It is used to reduce the work in event notification: ie the callee can
 * better optimise the returned value than could the caller by sifting
 * through all attributes.
 */
interface AttributeUpdater {
  PrintServiceAttributeSet getUpdatedAttributes();
}