com.sun.scenario.effect.impl.state.AccessHelper Maven / Gradle / Ivy
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
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*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package com.sun.scenario.effect.impl.state;
import com.sun.scenario.effect.Effect;
public class AccessHelper {
/**
* Provides access to implementation details in
* com.sun.scenario.effect package.
*/
public interface StateAccessor {
public Object getState(Effect effect);
}
private static StateAccessor theStateAccessor;
public static void setStateAccessor(StateAccessor accessor) {
if (theStateAccessor != null) {
throw new InternalError("EffectAccessor already initialized");
}
theStateAccessor = accessor;
}
public static Object getState(Effect effect) {
if (effect == null) {
return null;
}
return theStateAccessor.getState(effect);
}
}