private void generateMethodMergeFromBean()

in activemq-protobuf/src/main/java/org/apache/activemq/protobuf/compiler/JavaGenerator.java [966:1009]

• 41 lines of code
• 6 McCabe index (conditional complexity)

    private void generateMethodMergeFromBean(MessageDescriptor m, String className) {
        p("public "+className+" mergeFrom("+className+" other) {");
        indent();
        for (FieldDescriptor field : m.getFields().values()) {
            String uname = uCamel(field.getName());
            p("if (other.has"+uname+"()) {");
            indent();

            if( field.isScalarType() || field.getTypeDescriptor().isEnum() ) {
                if( field.isRepeated() ) {
                    p("get"+uname+"List().addAll(other.get"+uname+"List());");
                } else {
                    p("set"+uname+"(other.get"+uname+"());");
                }
            } else {
                
                String type = javaType(field);
                // It's complex type...
                if( field.isRepeated() ) {
                    p("for("+type+" element: other.get"+uname+"List() ) {");
                    indent();
                        p("get"+uname+"List().add(element.clone());");
                    unindent();
                    p("}");
                } else {
                    p("if (has"+uname+"()) {");
                    indent();
                    p("get"+uname+"().mergeFrom(other.get"+uname+"());");
                    unindent();
                    p("} else {");
                    indent();
                    p("set"+uname+"(other.get"+uname+"().clone());");
                    unindent();
                    p("}");
                }
            }
            unindent();
            p("}");
        }
        p("return this;");
        unindent();
        p("}");
        p();
    }