refactor: Migrate Internal Application context class to kotlin (#511)

Author: Mansi-mParticle

android-core/build.gradle

@@ -84,6 +84,7 @@ android {
             jvmArgs += ['--add-opens', 'java.base/java.text=ALL-UNNAMED']
             jvmArgs += ['--add-opens', 'java.base/java.math=ALL-UNNAMED']
             jvmArgs += ['--add-opens', 'java.base/java.util.concurrent=ALL-UNNAMED']
+            jvmArgs += ['--add-opens', 'java.base/java.util.concurrent.atomic=ALL-UNNAMED']
             jvmArgs += ['--add-opens', 'java.base/java.lang.ref=ALL-UNNAMED']
         }
         if (useOrchestrator()) {

android-core/src/androidTest/kotlin/com.mparticle/SessionMessagesTest.kt

@@ -28,10 +28,10 @@ class SessionMessagesTest : BaseCleanStartedEachTest() {
     fun testSessionStartMessage() {
         val sessionStartReceived = BooleanArray(1)
         sessionStartReceived[0] = false
-        Assert.assertFalse(mAppStateManager.session.isActive)
+        Assert.assertFalse(mAppStateManager.fetchSession().isActive)
         val sessionId = AndroidUtils.Mutable<String?>(null)
         mAppStateManager.ensureActiveSession()
-        sessionId.value = mAppStateManager.session.mSessionID
+        sessionId.value = mAppStateManager.fetchSession().mSessionID
         AccessUtils.awaitMessageHandler()
         MParticle.getInstance()?.upload()
         mServer.waitForVerify(
@@ -45,14 +45,14 @@ class SessionMessagesTest : BaseCleanStartedEachTest() {
                             if (eventObject.getString("dt") == Constants.MessageType.SESSION_START) {
                                 Assert.assertEquals(
                                     eventObject.getLong("ct").toFloat(),
-                                    mAppStateManager.session.mSessionStartTime.toFloat(),
+                                    mAppStateManager.fetchSession().mSessionStartTime.toFloat(),
                                     1000f
                                 )
                                 Assert.assertEquals(
                                     """started sessionID = ${sessionId.value} 
-current sessionId = ${mAppStateManager.session.mSessionID} 
+current sessionId = ${mAppStateManager.fetchSession().mSessionID} 
 sent sessionId = ${eventObject.getString("id")}""",
-                                    mAppStateManager.session.mSessionID,
+                                    mAppStateManager.fetchSession().mSessionID,
                                     eventObject.getString("id")
                                 )
                                 sessionStartReceived[0] = true

android-core/src/androidTest/kotlin/com.mparticle/internal/AppStateManagerInstrumentedTest.kt

@@ -33,7 +33,7 @@ class AppStateManagerInstrumentedTest : BaseCleanStartedEachTest() {
         }
         mAppStateManager?.ensureActiveSession()
         for (mpid in mpids) {
-            mAppStateManager?.session?.addMpid(mpid)
+            mAppStateManager?.fetchSession()?.addMpid(mpid)
         }
         val checked = BooleanArray(1)
         val latch: CountDownLatch = MPLatch(1)
@@ -72,7 +72,7 @@ class AppStateManagerInstrumentedTest : BaseCleanStartedEachTest() {
         mpids.add(Constants.TEMPORARY_MPID)
         mAppStateManager?.ensureActiveSession()
         for (mpid in mpids) {
-            mAppStateManager?.session?.addMpid(mpid)
+            mAppStateManager?.fetchSession()?.addMpid(mpid)
         }
         val latch: CountDownLatch = MPLatch(1)
         val checked = MutableBoolean(false)

android-core/src/androidTest/kotlin/com.mparticle/internal/BatchSessionInfoTest.kt

@@ -36,11 +36,11 @@ class BatchSessionInfoTest : BaseCleanStartedEachTest() {
 
         AccessUtils.awaitMessageHandler()
         MParticle.getInstance()?.Internal()?.apply {
-            val sessionId = appStateManager.session.mSessionID
+            val sessionId = appStateManager.fetchSession().mSessionID
             appStateManager.endSession()
             appStateManager.ensureActiveSession()
             InstallReferrerHelper.setInstallReferrer(mContext, "222")
-            assertNotEquals(sessionId, appStateManager.session.mSessionID)
+            assertNotEquals(sessionId, appStateManager.fetchSession().mSessionID)
         }
 
         var messageCount = 0