added getOption(key, default) for CommonSettings

Author: chernser

client-v2/src/main/java/com/clickhouse/client/api/insert/InsertSettings.java

@@ -162,8 +162,7 @@ public InsertSettings appCompressedData(boolean enabled, String compressionMetho
      * @deprecated because of typo
      */
     public boolean isClientRequestEnabled() {
-        Boolean flag = (Boolean) settings.getOption(ClientConfigProperties.COMPRESS_CLIENT_REQUEST.getKey());
-        return flag != null && flag;
+        return isClientCompressionEnabled();
     }
 
     /**
@@ -172,8 +171,10 @@ public boolean isClientRequestEnabled() {
      * @return true if client compression is enabled
      */
     public boolean isClientCompressionEnabled() {
-        Boolean flag = (Boolean) settings.getOption(ClientConfigProperties.COMPRESS_CLIENT_REQUEST.getKey());
-        return flag != null && flag;
+        return (boolean) settings.getOption(
+                ClientConfigProperties.COMPRESS_CLIENT_REQUEST.getKey(),
+                false
+        );
     }
 
     /**

client-v2/src/main/java/com/clickhouse/client/api/internal/CommonSettings.java

@@ -32,6 +32,17 @@ public Object getOption(String option) {
         return settings.get(option);
     }
 
+    /**
+     * Gets a configuration option. If not set then defaultValue is returned.
+     *
+     * @param option - config option key
+     * @param defaultValue - default option to return when option is not set
+     * @return configuration option value
+     */
+    public Object getOption(String option, Object defaultValue) {
+        return settings.getOrDefault(option, defaultValue);
+    }
+
     public boolean hasOption(String option) {
         return settings.containsKey(option);
     }