[POLICY-73] replace openecomp for policy-engine

[policy/engine.git] / ONAP-XACML / src / main / java / org / onap / policy / xacml / std / pap / StdPDPItemSetChangeNotifier.java

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 (file)
index 0000000..d23501f
--- /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);
+               }
+       }
+}