Merge pull request #2031 from tanpenggood/feature-tanpenggood-20200828-code-specification

Equals should be called with a constant.

Author: hazendaz

src/main/java/org/apache/ibatis/builder/xml/XMLIncludeTransformer.java

@@ -59,7 +59,7 @@ public void applyIncludes(Node source) {
    *          Current context for static variables with values
    */
   private void applyIncludes(Node source, final Properties variablesContext, boolean included) {
-    if (source.getNodeName().equals("include")) {
+    if ("include".equals(source.getNodeName())) {
       Node toInclude = findSqlFragment(getStringAttribute(source, "refid"), variablesContext);
       Properties toIncludeContext = getVariablesContext(source, variablesContext);
       applyIncludes(toInclude, toIncludeContext, true);