Change AtLevelLoggers to be initialized by lazy

Change-Id: I3e9565d432c6df8dbc357caa61c10204f69f2e2a
Signed-off-by: Izabela Zawadzka <izabela.zawadzka@nokia.com>
Issue-ID: DCAEGEN2-1053

1 files changed, 15 insertions, 5 deletions

diff --git a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/Logger.kt b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/Logger.kt
index 82ce50a9..ade9b480 100644
--- a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/Logger.kt
+++ b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/logging/Logger.kt
@@ -31,11 +31,21 @@ class Logger(logger: org.slf4j.Logger) {
     constructor(clazz: KClass<out Any>) : this(LoggerFactory.getLogger(clazz.java))
     constructor(name: String) : this(LoggerFactory.getLogger(name))
 
-    private val errorLogger = if (logger.isErrorEnabled) ErrorLevelLogger(logger) else OffLevelLogger
-    private val warnLogger = if (logger.isWarnEnabled) WarnLevelLogger(logger) else OffLevelLogger
-    private val infoLogger = if (logger.isInfoEnabled) InfoLevelLogger(logger) else OffLevelLogger
-    private val debugLogger = if (logger.isDebugEnabled) DebugLevelLogger(logger) else OffLevelLogger
-    private val traceLogger = if (logger.isTraceEnabled) TraceLevelLogger(logger) else OffLevelLogger
+    private val errorLogger by lazy {
+        if (logger.isErrorEnabled) ErrorLevelLogger(logger) else OffLevelLogger
+    }
+    private val warnLogger by lazy {
+        if (logger.isWarnEnabled) WarnLevelLogger(logger) else OffLevelLogger
+    }
+    private val infoLogger by lazy {
+        if (logger.isInfoEnabled) InfoLevelLogger(logger) else OffLevelLogger
+    }
+    private val debugLogger by lazy {
+        if (logger.isDebugEnabled) DebugLevelLogger(logger) else OffLevelLogger
+    }
+    private val traceLogger by lazy {
+        if (logger.isTraceEnabled) TraceLevelLogger(logger) else OffLevelLogger
+    }
 
     // ERROR