[Java]: Factored out "MessageHeader" constant to CodeGenerator interface.

Author: mjpt777

main/java/uk/co/real_logic/sbe/generation/CodeGenerator.java

@@ -22,6 +22,9 @@
  */
 public interface CodeGenerator
 {
+ /** Class name to be used for visitor pattern that accesses the message headerStructure. */
+ String MESSAGE_HEADER_TYPE = "MessageHeader";
+
  /**
  * Generate the complete set of types and messages for a schema.
  *

main/java/uk/co/real_logic/sbe/generation/cpp98/Cpp98Generator.java

@@ -34,9 +34,6 @@
 
 public class Cpp98Generator implements CodeGenerator
 {
- /** Class name to be used for visitor pattern that accesses the message headerStructure. */
- public static final String MESSAGE_HEADER_TYPE = "MessageHeader";
-
  private static final String BASE_INDENT = "";
  private static final String INDENT = " ";
 

main/java/uk/co/real_logic/sbe/generation/csharp/CSharpGenerator.java

@@ -35,9 +35,6 @@
 
 public class CSharpGenerator implements CodeGenerator
 {
- /** Class name to be used for visitor pattern that accesses the message headerStructure. */
- public static final String MESSAGE_HEADER_TYPE = "MessageHeader";
-
  private static final String META_ATTRIBUTE_ENUM = "MetaAttribute";
 
  private static final String BASE_INDENT = "";

main/java/uk/co/real_logic/sbe/generation/java/JavaGenerator.java

@@ -31,9 +31,6 @@
 
 public class JavaGenerator implements CodeGenerator
 {
- /** Class name to be used for visitor pattern that accesses the message headerStructure. */
- public static final String MESSAGE_HEADER_TYPE = "MessageHeader";
-
  private static final String META_ATTRIBUTE_ENUM = "MetaAttribute";
  private static final String BASE_INDENT = "";
  private static final String INDENT = " ";