Remove inferred types and this references

Author: raj-manvar

gateway-ha/src/main/java/io/trino/gateway/ha/router/QueryHistoryManager.java

@@ -68,7 +68,7 @@ public int compareTo(QueryDetail o)
         @JsonProperty
         public String getQueryId()
         {
-            return this.queryId;
+            return queryId;
         }
 
         public void setQueryId(String queryId)
@@ -79,7 +79,7 @@ public void setQueryId(String queryId)
         @JsonProperty
         public String getQueryText()
         {
-            return this.queryText;
+            return queryText;
         }
 
         public void setQueryText(String queryText)
@@ -90,7 +90,7 @@ public void setQueryText(String queryText)
         @JsonProperty
         public String getUser()
         {
-            return this.user;
+            return user;
         }
 
         public void setUser(String user)
@@ -101,7 +101,7 @@ public void setUser(String user)
         @JsonProperty
         public String getSource()
         {
-            return this.source;
+            return source;
         }
 
         public void setSource(String source)
@@ -112,7 +112,7 @@ public void setSource(String source)
         @JsonProperty
         public String getBackendUrl()
         {
-            return this.backendUrl;
+            return backendUrl;
         }
 
         public void setBackendUrl(String backendUrl)
@@ -123,7 +123,7 @@ public void setBackendUrl(String backendUrl)
         @JsonProperty
         public long getCaptureTime()
         {
-            return this.captureTime;
+            return captureTime;
         }
 
         public void setCaptureTime(long captureTime)
@@ -134,7 +134,7 @@ public void setCaptureTime(long captureTime)
         @JsonProperty
         public String getRoutingGroup()
         {
-            return this.routingGroup;
+            return routingGroup;
         }
 
         public void setRoutingGroup(String routingGroup)

gateway-ha/src/main/java/io/trino/gateway/ha/router/RoutingManager.java

@@ -61,7 +61,7 @@ public RoutingManager(GatewayBackendManager gatewayBackendManager, QueryHistoryM
                         .maximumSize(10000)
                         .expireAfterAccess(30, TimeUnit.MINUTES)
                         .build(
-                                new CacheLoader<String, String>()
+                                new CacheLoader<>()
                                 {
                                     @Override
                                     public String load(String queryId)
@@ -74,7 +74,7 @@ public String load(String queryId)
                         .maximumSize(10000)
                         .expireAfterAccess(30, TimeUnit.MINUTES)
                         .build(
-                                new CacheLoader<String, String>()
+                                new CacheLoader<>()
                                 {
                                     @Override
                                     public String load(String queryId)