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/*
* Copyright (c) OSGi Alliance (2005, 2018). All Rights Reserved.
*
* 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.
*/
/**
* To keep the current values getting from subscribed UPnPDevices.
*
* The actual values of the UPnPStateVaraible are passed as Java object type.
*
* @since 1.1
**/
package org.osgi.service.upnp;
/**
* A local UPnP state variable which allows the value of the state variable to
* be queried.
*
* @since 1.1
*
* @author $Id$
*/
public interface UPnPLocalStateVariable extends UPnPStateVariable {
/**
* This method will keep the current values of UPnPStateVariables of a
* UPnPDevice whenever UPnPStateVariable's value is changed , this method
* must be called.
*
* @return {@code Object} current value of UPnPStateVariable. If the current
* value is initialized with the default value defined UPnP service
* description.
* @throws IllegalStateException If the UPnP state variable has been
* removed.
*/
public Object getCurrentValue();
}
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