[Java] Generate the metadata methods for encoders as we decoders to preserve symmetry. Issue #554.

Author: mjpt777

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/java/JavaGenerator.java

@@ -2308,8 +2308,11 @@ private CharSequence generateEncoderFields(
                 final String propertyName = formatPropertyName(fieldToken.name());
                 final String typeName = formatClassName(encoderName(typeToken.name()));
 
+                generateFieldIdMethod(sb, fieldToken, indent);
+                generateFieldSinceVersionMethod(sb, fieldToken, indent);
                 generateEncodingOffsetMethod(sb, fieldToken.name(), fieldToken.offset(), indent);
                 generateEncodingLengthMethod(sb, fieldToken.name(), typeToken.encodedLength(), indent);
+                generateFieldMetaAttributeMethod(sb, fieldToken, indent);
 
                 switch (typeToken.signal())
                 {

sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/generated/FrameCodecEncoder.java

@@ -94,6 +94,16 @@ public void limit(final int limit)
         this.limit = limit;
     }
 
+    public static int irIdId()
+    {
+        return 1;
+    }
+
+    public static int irIdSinceVersion()
+    {
+        return 0;
+    }
+
     public static int irIdEncodingOffset()
     {
         return 0;
@@ -104,6 +114,19 @@ public static int irIdEncodingLength()
         return 4;
     }
 
+    public static String irIdMetaAttribute(final MetaAttribute metaAttribute)
+    {
+        switch (metaAttribute)
+        {
+            case EPOCH: return "unix";
+            case TIME_UNIT: return "nanosecond";
+            case SEMANTIC_TYPE: return "";
+            case PRESENCE: return "required";
+        }
+
+        return "";
+    }
+
     public static int irIdNullValue()
     {
         return -2147483648;
@@ -126,6 +149,16 @@ public FrameCodecEncoder irId(final int value)
     }
 
 
+    public static int irVersionId()
+    {
+        return 2;
+    }
+
+    public static int irVersionSinceVersion()
+    {
+        return 0;
+    }
+
     public static int irVersionEncodingOffset()
     {
         return 4;
@@ -136,6 +169,19 @@ public static int irVersionEncodingLength()
         return 4;
     }
 
+    public static String irVersionMetaAttribute(final MetaAttribute metaAttribute)
+    {
+        switch (metaAttribute)
+        {
+            case EPOCH: return "unix";
+            case TIME_UNIT: return "nanosecond";
+            case SEMANTIC_TYPE: return "";
+            case PRESENCE: return "required";
+        }
+
+        return "";
+    }
+
     public static int irVersionNullValue()
     {
         return -2147483648;
@@ -158,6 +204,16 @@ public FrameCodecEncoder irVersion(final int value)
     }
 
 
+    public static int schemaVersionId()
+    {
+        return 3;
+    }
+
+    public static int schemaVersionSinceVersion()
+    {
+        return 0;
+    }
+
     public static int schemaVersionEncodingOffset()
     {
         return 8;
@@ -168,6 +224,19 @@ public static int schemaVersionEncodingLength()
         return 4;
     }
 
+    public static String schemaVersionMetaAttribute(final MetaAttribute metaAttribute)
+    {
+        switch (metaAttribute)
+        {
+            case EPOCH: return "unix";
+            case TIME_UNIT: return "nanosecond";
+            case SEMANTIC_TYPE: return "";
+            case PRESENCE: return "required";
+        }
+
+        return "";
+    }
+
     public static int schemaVersionNullValue()
     {
         return -2147483648;

sbe-tool/src/main/java/uk/co/real_logic/sbe/ir/generated/MessageHeaderDecoder.java

@@ -49,6 +49,11 @@ public static int blockLengthEncodingLength()
         return 2;
     }
 
+    public static int blockLengthSinceVersion()
+    {
+        return 0;
+    }
+
     public static int blockLengthNullValue()
     {
         return 65535;
@@ -80,6 +85,11 @@ public static int templateIdEncodingLength()
         return 2;
     }
 
+    public static int templateIdSinceVersion()
+    {
+        return 0;
+    }
+
     public static int templateIdNullValue()
     {
         return 65535;
@@ -111,6 +121,11 @@ public static int schemaIdEncodingLength()
         return 2;
     }
 
+    public static int schemaIdSinceVersion()
+    {
+        return 0;
+    }
+
     public static int schemaIdNullValue()
     {
         return 65535;
@@ -142,6 +157,11 @@ public static int versionEncodingLength()
         return 2;
     }
 
+    public static int versionSinceVersion()
+    {
+        return 0;
+    }
+
     public static int versionNullValue()
     {
         return 65535;