O1 PM Bulk support - collecting events, basic structure for PM Bulk File creation

Issue-ID: INT-1945

Signed-off-by: Stanislav Marszalek <s.marszalek2@partner.samsung.com>
Change-Id: If08908035719798d8d7b129ddcdb6ef62f1787fe

3 files changed, 40 insertions, 2 deletions

diff --git a/src/main/java/org/onap/a1pesimulator/util/Constants.java b/src/main/java/org/onap/a1pesimulator/util/Constants.java
index 1964efd..2af00b6 100644
--- a/src/main/java/org/onap/a1pesimulator/util/Constants.java
+++ b/src/main/java/org/onap/a1pesimulator/util/Constants.java
@@ -20,4 +20,8 @@ public class Constants {
 
     public static final String MEASUREMENT_FIELD_IDENTIFIER = "identifier";
     public static final String MEASUREMENT_FIELD_VALUE = "value";
+    public static final String FILE_READY_CHANGE_IDENTIFIER = "PM_MEAS_FILES";
+    public static final String FILE_READY_CHANGE_TYPE = "FileReady";
+    public static final String EMPTY_STRING = "";
+    public static final String TEMP_DIR = System.getProperty("java.io.tmpdir");
 }
diff --git a/src/main/java/org/onap/a1pesimulator/util/Convertors.java b/src/main/java/org/onap/a1pesimulator/util/Convertors.java
new file mode 100644
index 0000000..11e703f
--- /dev/null
+++ b/src/main/java/org/onap/a1pesimulator/util/Convertors.java
@@ -0,0 +1,33 @@
+package org.onap.a1pesimulator.util;
+
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+
+import lombok.experimental.UtilityClass;
+
+@UtilityClass
+public class Convertors {
+
+    public static final String YYYYMMDD_PATTERN = "yyyyMMdd";
+    public static final String ISO_8601_DATE = "yyyy-MM-dd'T'HH:mm:ssZ";
+
+    public static String zonedDateTimeToString(ZonedDateTime localDateTime) {
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(YYYYMMDD_PATTERN);
+        return zonedDateTimeToString(localDateTime, formatter);
+    }
+
+    public static String zonedDateTimeToString(ZonedDateTime localDateTime, String pattern) {
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
+        return zonedDateTimeToString(localDateTime, formatter);
+    }
+
+    public static String zonedDateTimeToString(ZonedDateTime localDateTime, DateTimeFormatter formatter) {
+        return localDateTime.format(formatter);
+    }
+
+    public static ZonedDateTime truncateToSpecifiedMinutes(ZonedDateTime zonedDateTime, Integer minutes) {
+        int minute = zonedDateTime.getMinute();
+        int remainder = minute % minutes;
+        return remainder != 0 ? zonedDateTime.withMinute(minute - remainder) : zonedDateTime;
+    }
+}
diff --git a/src/main/java/org/onap/a1pesimulator/util/RanVesUtils.java b/src/main/java/org/onap/a1pesimulator/util/RanVesUtils.java
index d5f3e67..a0f4991 100644
--- a/src/main/java/org/onap/a1pesimulator/util/RanVesUtils.java
+++ b/src/main/java/org/onap/a1pesimulator/util/RanVesUtils.java
@@ -23,9 +23,10 @@ import java.util.Map;
 import java.util.Random;
 import java.util.function.UnaryOperator;
 import java.util.stream.Collectors;
+
+import org.onap.a1pesimulator.data.Event;
 import org.onap.a1pesimulator.data.ue.UserEquipment;
 import org.onap.a1pesimulator.data.ves.CommonEventHeader;
-import org.onap.a1pesimulator.data.ves.Event;
 import org.onap.a1pesimulator.data.ves.MeasurementFields.AdditionalMeasurement;
 import org.onap.a1pesimulator.service.ue.RanUeHolder;
 
@@ -39,7 +40,7 @@ public class RanVesUtils {
     private static final String PATTERN_MARKER_START = "\\[\\[";
     private static final String PATTERN_MARKER_END = "\\]\\]";
 
-    private static final String UE_PARAM_TRAFFIC_MODEL = "trafficModel";
+    public static final String UE_PARAM_TRAFFIC_MODEL = "trafficModel";
     private static final int TEN_MINUTES_MICROSECONDS = 10 * 60 * 1000_000;
 
     private static final Random random = new Random();