When using a wrapper class, it is not possible to support reading both the minimum value and the null value

[Xjh-git]

When using a wrapper class, it is not possible to support reading both Integer.MIN_VALUE and null.

hollow/hollow/src/main/java/com/netflix/hollow/api/codegen/api/TypeAPIObjectJavaGenerator.java

Lines 290 to 315 in 45a4a8f

	private String generateIntFieldAccessor(int fieldNum) {
	StringBuilder builder = new StringBuilder();
	String fieldName = substituteInvalidChars(objectSchema.getFieldName(fieldNum));
	builder.append(" public int get").append(uppercase(fieldName)).append("(int ordinal) {\n");
	builder.append(" if(fieldIndex[" + fieldNum +"] == -1)\n");
	builder.append(" return missingDataHandler().handleInt(\"").append(objectSchema.getName()).append("\", ordinal, \"").append(fieldName).append("\");\n");
	builder.append(" return getTypeDataAccess().readInt(ordinal, fieldIndex[" + fieldNum + "]);\n");
	builder.append(" }\n\n");
	builder.append(" public Integer get").append(uppercase(fieldName)).append("Boxed(int ordinal) {\n");
	builder.append(" int i;\n");
	builder.append(" if(fieldIndex[" + fieldNum +"] == -1) {\n");
	builder.append(" i = missingDataHandler().handleInt(\"").append(objectSchema.getName()).append("\", ordinal, \"").append(fieldName).append("\");\n");
	builder.append(" } else {\n");
	builder.append(" boxedFieldAccessSampler.recordFieldAccess(fieldIndex[" + fieldNum + "]);\n");
	builder.append(" i = getTypeDataAccess().readInt(ordinal, fieldIndex[" + fieldNum + "]);\n");
	builder.append(" }\n");
	builder.append(" if(i == Integer.MIN_VALUE)\n");
	builder.append(" return null;\n");
	builder.append(" return Integer.valueOf(i);\n");
	builder.append(" }\n\n");
	return builder.toString();
	}