add new methods to check whether the app is updatable or installable in a given state

components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/ApplicationRelease.java

@@ -21,7 +21,8 @@ package org.wso2.carbon.device.application.mgt.common;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-@ApiModel(value = "ApplicationRelease", description = "This class holds the details when releasing an Application to application store")
+@ApiModel(value = "ApplicationRelease", description = "This class holds the details when releasing an Application to " +
+        "application store")
 public class ApplicationRelease {
 
     @ApiModelProperty(name = "id",

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/lifecycle/LifecycleStateManger.java

@@ -16,10 +16,9 @@
  * under the License.
  */
 
-/*
+/* Copyright (c) 2019, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
- * Copyright (c) 2019, Entgra Inc. (http://www.entgra.io) All Rights Reserved.
  *
- * Entgra Inc. licenses this file to you under the Apache License,
+ * Entgra (Pvt) Ltd. licenses this file to you 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
@@ -153,4 +152,20 @@ public class LifecycleStateManger {
         }
         return null;
     }
+
+    public boolean isUpdatable(String state){
+        State currentState = getMatchingState(state);
+        if(currentState.getIsAppUpdatable()){
+            return true;
+        }
+        return false;
+    }
+
+    public boolean isInstallable(String state){
+        State currentState = getMatchingState(state);
+        if(currentState.getIsAppInstallable()){
+            return true;
+        }
+        return false;
+    }
 }