Merge changes Idbdec7b3,I643dadac,I2f54e1d5,I2ead5203

* changes:
  Provide initial a1-pe-sim docs
  Initial code check-in for A1 Policy Enforcement Simulator
  Add basic .gitignore
  Add linters setup

1 files changed, 44 insertions, 0 deletions

diff --git a/src/main/java/org/onap/a1pesimulator/util/ItemsRefresher.java b/src/main/java/org/onap/a1pesimulator/util/ItemsRefresher.java
new file mode 100644
index 0000000..6991da0
--- /dev/null
+++ b/src/main/java/org/onap/a1pesimulator/util/ItemsRefresher.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2021 Samsung Electronics
+ * 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
+ */
+
+package org.onap.a1pesimulator.util;
+
+import org.onap.a1pesimulator.service.cell.RanCellsHolder;
+import org.onap.a1pesimulator.service.ue.RanUeHolder;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+
+@Service
+@EnableScheduling
+public class ItemsRefresher {
+
+    private final RanCellsHolder cellsHolder;
+    private final RanUeHolder ueHolder;
+
+    public ItemsRefresher(final RanCellsHolder cellsHolder, final RanUeHolder ueHolder) {
+        this.cellsHolder = cellsHolder;
+        this.ueHolder = ueHolder;
+    }
+
+    @Scheduled(fixedRateString = "${refresher.fixed.rate.ms}")
+    public void refresh() {
+        if (cellsHolder.hasChanged()) {
+            cellsHolder.refresh();
+        }
+
+        if (ueHolder.hasChanged()) {
+            ueHolder.refresh();
+        }
+    }
+}