Cleanup of Properties usage (#7)

Author: artem-v

metrics/src/main/java/io/scalecube/metrics/CountersRegistry.java

@@ -202,7 +202,7 @@ public Context countersValuesBufferLength(int countersValuesBufferLength) {
 
     public Context countersValuesBufferLength(String countersValuesBufferLength) {
       if (countersValuesBufferLength != null) {
-        this.countersValuesBufferLength = Integer.parseInt(countersValuesBufferLength);
+        return countersValuesBufferLength(Integer.parseInt(countersValuesBufferLength));
       }
       return this;
     }
@@ -236,7 +236,7 @@ public Context dirDeleteOnShutdown(boolean dirDeleteOnShutdown) {
 
     public Context dirDeleteOnShutdown(String dirDeleteOnShutdown) {
       if (dirDeleteOnShutdown != null) {
-        this.dirDeleteOnShutdown = Boolean.parseBoolean(dirDeleteOnShutdown);
+        return dirDeleteOnShutdown(Boolean.parseBoolean(dirDeleteOnShutdown));
       }
       return this;
     }

metrics/src/main/java/io/scalecube/metrics/MetricsRecorder.java

@@ -362,7 +362,7 @@ public Context dirDeleteOnShutdown(boolean dirDeleteOnShutdown) {
 
     public Context dirDeleteOnShutdown(String dirDeleteOnShutdown) {
       if (dirDeleteOnShutdown != null) {
-        this.dirDeleteOnShutdown = Boolean.parseBoolean(dirDeleteOnShutdown);
+        return dirDeleteOnShutdown(Boolean.parseBoolean(dirDeleteOnShutdown));
       }
       return this;
     }
@@ -396,7 +396,7 @@ public Context metricsBufferLength(int metricsBufferLength) {
 
     public Context metricsBufferLength(String metricsBufferLength) {
       if (metricsBufferLength != null) {
-        this.metricsBufferLength = Integer.parseInt(metricsBufferLength);
+        return metricsBufferLength(Integer.parseInt(metricsBufferLength));
       }
       return this;
     }
@@ -427,8 +427,8 @@ public Context idleStrategy(IdleStrategy idleStrategy) {
     public Context idleStrategy(String idleStrategy) {
       if (idleStrategy != null) {
         try {
-          this.idleStrategy =
-              (IdleStrategy) Class.forName(idleStrategy).getConstructor().newInstance();
+          return idleStrategy(
+              (IdleStrategy) Class.forName(idleStrategy).getConstructor().newInstance());
         } catch (Exception ex) {
           LangUtil.rethrowUnchecked(ex);
         }

metrics/src/main/java/io/scalecube/metrics/MetricsTransmitter.java

@@ -255,7 +255,7 @@ public Context warnIfMetricsNotExists(boolean warnIfMetricsNotExists) {
 
     public Context warnIfMetricsNotExists(String warnIfMetricsNotExists) {
       if (warnIfMetricsNotExists != null) {
-        this.warnIfMetricsNotExists = Boolean.parseBoolean(warnIfMetricsNotExists);
+        return warnIfMetricsNotExists(Boolean.parseBoolean(warnIfMetricsNotExists));
       }
       return this;
     }
@@ -280,8 +280,8 @@ public Context retryInterval(Duration retryInterval) {
 
     public Context retryInterval(String retryInterval) {
       if (retryInterval != null) {
-        this.retryInterval =
-            Duration.ofNanos(SystemUtil.parseDuration("retryInterval", retryInterval));
+        return retryInterval(
+            Duration.ofNanos(SystemUtil.parseDuration("retryInterval", retryInterval)));
       }
       return this;
     }
@@ -297,8 +297,8 @@ public Context heartbeatTimeout(Duration heartbeatTimeout) {
 
     public Context heartbeatTimeout(String heartbeatTimeout) {
       if (heartbeatTimeout != null) {
-        this.heartbeatTimeout =
-            Duration.ofNanos(SystemUtil.parseDuration("heartbeatTimeout", heartbeatTimeout));
+        return heartbeatTimeout(
+            Duration.ofNanos(SystemUtil.parseDuration("heartbeatTimeout", heartbeatTimeout)));
       }
       return this;
     }
@@ -329,8 +329,8 @@ public Context idleStrategy(IdleStrategy idleStrategy) {
     public Context idleStrategy(String idleStrategy) {
       if (idleStrategy != null) {
         try {
-          this.idleStrategy =
-              (IdleStrategy) Class.forName(idleStrategy).getConstructor().newInstance();
+          return idleStrategy(
+              (IdleStrategy) Class.forName(idleStrategy).getConstructor().newInstance());
         } catch (Exception ex) {
           LangUtil.rethrowUnchecked(ex);
         }
@@ -353,7 +353,7 @@ public Context broadcastBufferLength(int broadcastBufferLength) {
 
     public Context broadcastBufferLength(String broadcastBufferLength) {
       if (broadcastBufferLength != null) {
-        this.broadcastBufferLength = Integer.parseInt(broadcastBufferLength);
+        return broadcastBufferLength(Integer.parseInt(broadcastBufferLength));
       }
       return this;
     }