diff options
Diffstat (limited to 'ONAP-XACML/src/main/java/org/onap/policy/xacml/std/pap/StdPDPItemSetChangeNotifier.java')
-rw-r--r-- | ONAP-XACML/src/main/java/org/onap/policy/xacml/std/pap/StdPDPItemSetChangeNotifier.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/ONAP-XACML/src/main/java/org/onap/policy/xacml/std/pap/StdPDPItemSetChangeNotifier.java b/ONAP-XACML/src/main/java/org/onap/policy/xacml/std/pap/StdPDPItemSetChangeNotifier.java new file mode 100644 index 000000000..d23501f26 --- /dev/null +++ b/ONAP-XACML/src/main/java/org/onap/policy/xacml/std/pap/StdPDPItemSetChangeNotifier.java @@ -0,0 +1,81 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP-XACML + * ================================================================================ + * Copyright (C) 2017 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.xacml.std.pap; + +import java.util.Collection; +import java.util.LinkedList; + +import org.onap.policy.xacml.api.pap.OnapPDP; +import org.onap.policy.xacml.api.pap.OnapPDPGroup; + +public class StdPDPItemSetChangeNotifier { + + private Collection<StdItemSetChangeListener> listeners = null; + + public interface StdItemSetChangeListener { + + public void changed(); + + public void groupChanged(OnapPDPGroup group); + + public void pdpChanged(OnapPDP pdp); + + } + + public void addItemSetChangeListener(StdItemSetChangeListener listener) { + if (this.listeners == null) { + this.listeners = new LinkedList<StdItemSetChangeListener>(); + } + this.listeners.add(listener); + } + + public void removeItemSetChangeListener(StdItemSetChangeListener listener) { + if (this.listeners != null) { + this.listeners.remove(listener); + } + } + + public void fireChanged() { + if (this.listeners == null) { + return; + } + for (StdItemSetChangeListener l : this.listeners) { + l.changed(); + } + } + + public void firePDPGroupChanged(OnapPDPGroup group) { + if (this.listeners == null) { + return; + } + for (StdItemSetChangeListener l : this.listeners) { + l.groupChanged(group); + } + } + + public void firePDPChanged(OnapPDP pdp) { + if (this.listeners == null) { + return; + } + for (StdItemSetChangeListener l : this.listeners) { + l.pdpChanged(pdp); + } + } +} |