[Java]: Moved MetaAttribute to be top level.

Author: mjpt777

examples/java/uk/co/real_logic/sbe/examples/ExampleUsingGeneratedStub.java

@@ -211,8 +211,7 @@ public static void decode(final Car car,
  }
  }
 
-
- sb.append("\ncar.make.semanticType=").append(Car.makeMetaAttribute(Car.MetaAttribute.SEMANTIC_TYPE));
+ sb.append("\ncar.make.semanticType=").append(Car.makeMetaAttribute(MetaAttribute.SEMANTIC_TYPE));
  sb.append("\ncar.make=").append(new String(buffer, 0, car.getMake(buffer, 0, buffer.length), Car.makeCharacterEncoding()));
 
  sb.append("\ncar.model=").append(new String(buffer, 0, car.getModel(buffer, 0, buffer.length), Car.modelCharacterEncoding()));

examples/java/uk/co/real_logic/sbe/examples/ExampleUsingGeneratedStubExtension.java

@@ -217,7 +217,7 @@ public static void decode(final extension.Car car,
  }
  }
 
- sb.append("\ncar.make.semanticType=").append(extension.Car.makeMetaAttribute(extension.Car.MetaAttribute.SEMANTIC_TYPE));
+ sb.append("\ncar.make.semanticType=").append(extension.Car.makeMetaAttribute(extension.MetaAttribute.SEMANTIC_TYPE));
  sb.append("\ncar.make=").append(new String(buffer, 0, car.getMake(buffer, 0, buffer.length), extension.Car.makeCharacterEncoding()));
 
  sb.append("\ncar.model=").append(new String(buffer, 0, car.getModel(buffer, 0, buffer.length), extension.Car.modelCharacterEncoding()));

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

@@ -34,6 +34,7 @@ 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 = " ";
 
@@ -66,6 +67,8 @@ public void generateMessageHeaderStub() throws IOException
 
  public void generateTypeStubs() throws IOException
  {
+ generateMetaAttributeEnum();
+
  for (final List<Token> tokens : ir.types())
  {
  switch (tokens.get(0).signal())
@@ -614,17 +617,29 @@ private CharSequence generateClassDeclaration(final String className)
  {
  return String.format(
  "public class %s\n" +
- "{\n" +
- " public enum MetaAttribute\n" +
- " {\n" +
- " EPOCH,\n" +
- " TIME_UNIT,\n" +
- " SEMANTIC_TYPE\n" +
- " }\n\n",
+ "{\n",
  className
  );
  }
 
+ private void generateMetaAttributeEnum() throws IOException
+ {
+ try (final Writer out = outputManager.createOutput(META_ATTRIBUTE_ENUM))
+ {
+ out.append(String.format(
+ "/* Generated SBE (Simple Binary Encoding) message codec */\n" +
+ "package %s;\n\n" +
+ "public enum MetaAttribute\n" +
+ "{\n" +
+ " EPOCH,\n" +
+ " TIME_UNIT,\n" +
+ " SEMANTIC_TYPE\n" +
+ "}\n",
+ ir.packageName()
+ ));
+ }
+ }
+
  private CharSequence generateEnumDeclaration(final String name)
  {
  return "public enum " + name + "\n{\n";