[Java] Carry down field sinceVersion into composite types to allow for more convenient OTF parsing. Issue #908.

Author: mjpt777

sbe-tool/src/main/java/uk/co/real_logic/sbe/xml/IrGenerator.java

@@ -208,22 +208,19 @@ private void add(final CompositeType type, final int currOffset, final Field fie
             .semanticType(semanticTypeOf(type, field))
             .build();
 
+        final int version = null != field ? Math.max(field.sinceVersion(), type.sinceVersion()) : type.sinceVersion();
+
         final Token.Builder builder = new Token.Builder()
             .signal(Signal.BEGIN_COMPOSITE)
             .name(type.name())
             .referencedName(type.referencedName())
             .offset(currOffset)
             .size(type.encodedLength())
-            .version(type.sinceVersion())
+            .version(version)
             .deprecated(type.deprecated())
             .description(type.description())
             .encoding(encoding);
 
-        if (null != field)
-        {
-            builder.version(Math.max(field.sinceVersion(), type.sinceVersion()));
-        }
-
         tokenList.add(builder.build());
 
         int offset = 0;
@@ -236,19 +233,21 @@ private void add(final CompositeType type, final int currOffset, final Field fie
 
             if (elementType instanceof EncodedDataType)
             {
-                add((EncodedDataType)elementType, offset);
+                add((EncodedDataType)elementType,
+                    offset,
+                    null != field ? Math.max(field.sinceVersion(), type.sinceVersion()) : elementType.sinceVersion());
             }
             else if (elementType instanceof EnumType)
             {
-                add((EnumType)elementType, offset, null);
+                add((EnumType)elementType, offset, field);
             }
             else if (elementType instanceof SetType)
             {
-                add((SetType)elementType, offset, null);
+                add((SetType)elementType, offset, field);
             }
             else if (elementType instanceof CompositeType)
             {
-                add((CompositeType)elementType, offset, null);
+                add((CompositeType)elementType, offset, field);
             }
 
             offset += elementType.encodedLength();
@@ -266,22 +265,19 @@ private void add(final EnumType type, final int offset, final Field field)
             .nullValue(type.nullValue())
             .byteOrder(schema.byteOrder());
 
+        final int version = null != field ? Math.max(field.sinceVersion(), type.sinceVersion()) : type.sinceVersion();
+
         final Token.Builder builder = new Token.Builder()
             .signal(Signal.BEGIN_ENUM)
             .name(type.name())
             .referencedName(type.referencedName())
             .size(encodingType.size())
             .offset(offset)
-            .version(type.sinceVersion())
+            .version(version)
             .deprecated(type.deprecated())
             .description(type.description())
             .encoding(encodingBuilder.build());
 
-        if (null != field)
-        {
-            builder.version(Math.max(field.sinceVersion(), type.sinceVersion()));
-        }
-
         tokenList.add(builder.build());
 
         for (final EnumType.ValidValue validValue : type.validValues())
@@ -322,22 +318,19 @@ private void add(final SetType type, final int offset, final Field field)
             .primitiveType(encodingType)
             .build();
 
+        final int version = null != field ? Math.max(field.sinceVersion(), type.sinceVersion()) : type.sinceVersion();
+
         final Token.Builder builder = new Token.Builder()
             .signal(Signal.BEGIN_SET)
             .name(type.name())
             .referencedName(type.referencedName())
             .size(encodingType.size())
             .offset(offset)
-            .version(type.sinceVersion())
+            .version(version)
             .deprecated(type.deprecated())
             .description(type.description())
             .encoding(encoding);
 
-        if (null != field)
-        {
-            builder.version(Math.max(field.sinceVersion(), type.sinceVersion()));
-        }
-
         tokenList.add(builder.build());
 
         for (final SetType.Choice choice : type.choices())
@@ -369,7 +362,7 @@ private void add(final SetType.Choice value, final PrimitiveType encodingType)
         tokenList.add(builder.build());
     }
 
-    private void add(final EncodedDataType type, final int offset)
+    private void add(final EncodedDataType type, final int offset, final int sinceVersion)
     {
         final Encoding.Builder encodingBuilder = new Encoding.Builder()
             .primitiveType(type.primitiveType())
@@ -382,7 +375,7 @@ private void add(final EncodedDataType type, final int offset)
             .referencedName(type.referencedName())
             .size(type.encodedLength())
             .description(type.description())
-            .version(type.sinceVersion())
+            .version(sinceVersion)
             .deprecated(type.deprecated())
             .offset(offset);
 
@@ -426,21 +419,18 @@ private void add(final EncodedDataType type, final int offset, final Field field
             .timeUnit(field.timeUnit())
             .epoch(field.epoch());
 
+        final int version = Math.max(field.sinceVersion(), type.sinceVersion());
+
         final Token.Builder tokenBuilder = new Token.Builder()
             .signal(Signal.ENCODING)
             .name(type.name())
             .referencedName(type.referencedName())
             .size(type.encodedLength())
             .description(type.description())
-            .version(type.sinceVersion())
+            .version(version)
             .deprecated(type.deprecated())
             .offset(offset);
 
-        if (field.type() instanceof CompositeType)
-        {
-            tokenBuilder.version(Math.max(field.sinceVersion(), type.sinceVersion()));
-        }
-
         switch (field.presence())
         {
             case REQUIRED: