modify permission type, default means not config it, null means not exist

build.gradle

@@ -21,7 +21,7 @@ allprojects {
 
 subprojects {
     ext {
-        version '0.5.1'
+        version '0.5.2'
         gaea_version = '0.6.0'
         spring_version = "2.3.0.RELEASE"
     }

src/zeus.env/src/main/kotlin/com/synebula/zeus/env/PermissionType.kt

@@ -1,6 +1,7 @@
 package com.synebula.zeus.env
 
 enum class PermissionType {
+    Default,
     Deny,
     Allow
-}
+}

src/zeus.query/src/main/kotlin/com/synebula/zeus/query/contr/resouce/IPermissionQuery.kt

@@ -9,5 +9,5 @@ interface IPermissionQuery : IQuery {
 
     fun resourcePermissions(resourceType: ResourceType, role: String): List<PermissionView>
 
-    fun authentication(resourceType: ResourceType, resource: String, role: String): PermissionType?
+    fun authentication(resourceType: ResourceType, resource: String, role: String): PermissionType
-}
+}

src/zeus.query/src/main/kotlin/com/synebula/zeus/query/impl/resouce/PermissionQuery.kt

@@ -21,13 +21,13 @@ class PermissionQuery(template: MongoTemplate) : MongoQuery(template), IPermissi
                 ), this.clazz, this.collection)
     }
 
-    override fun authentication(resourceType: ResourceType, resource: String, role: String): PermissionType? {
+    override fun authentication(resourceType: ResourceType, resource: String, role: String): PermissionType {
         val permission = this.template.findOne(
                 Query.query(
                         Criteria.where("type").`is`(resourceType)
                                 .and("resource").`is`(resource)
                                 .and("role").`is`(role)
                 ), this.clazz, this.collection)
-        return permission?.authority
+        return permission?.authority ?: PermissionType.Default
     }
-}
+}