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/*-
* ============LICENSE_START=======================================================
* ONAP PAP
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.pap.main.notification;
/**
* Tracker for policy deployments to PDPs.
*
* <p/>
* Policies are not removed from the internal map until all of the sets contained within
* the data are empty. This may be the result of a PDP being removed from the system
* because it is no longer responsive, or because the PDP Subgroup that contained it is
* deleted.
*/
public class PolicyDeployTracker extends PolicyCommonTracker {
/**
* Constructs the object.
*/
public PolicyDeployTracker() {
super();
}
@Override
protected boolean updateData(String pdp, PolicyTrackerData data, boolean stillActive) {
return (stillActive ? data.success(pdp) : data.fail(pdp));
}
/**
* Returns {@code true} only when the data is <i>completely empty</i> (i.e., it has no
* more PDPs)
*/
@Override
protected boolean shouldRemove(PolicyTrackerData data) {
return data.isEmpty();
}
}
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