in streams-plugins/streams-plugin-pig/src/main/java/org/apache/streams/plugins/pig/StreamsPigResourceGenerator.java [188:231]
private StringBuilder appendPropertiesNode(StringBuilder builder, Schema schema, ObjectNode propertiesNode, Character seperator) {
Objects.requireNonNull(builder);
Objects.requireNonNull(propertiesNode);
Iterator<Map.Entry<String, JsonNode>> fields = propertiesNode.fields();
List<String> fieldStrings = new ArrayList<>();
for ( ; fields.hasNext(); ) {
Map.Entry<String, JsonNode> field = fields.next();
String fieldId = field.getKey();
if ( !config.getExclusions().contains(fieldId) && field.getValue().isObject()) {
ObjectNode fieldNode = (ObjectNode) field.getValue();
FieldType fieldType = FieldUtil.determineFieldType(fieldNode);
if (fieldType != null ) {
switch (fieldType) {
case ARRAY:
ObjectNode resolvedItems = schemaStore.resolveItems(schema, fieldNode, fieldId);
if ( resolvedItems != null && currentDepth <= config.getMaxDepth()) {
StringBuilder arrayItemsBuilder = appendArrayItems(new StringBuilder(), schema, fieldId, resolvedItems, seperator);
if (StringUtils.isNotBlank(arrayItemsBuilder.toString())) {
fieldStrings.add(arrayItemsBuilder.toString());
}
}
break;
case OBJECT:
ObjectNode childProperties = schemaStore.resolveProperties(schema, fieldNode, fieldId);
if ( currentDepth < config.getMaxDepth()) {
StringBuilder structFieldBuilder = appendStructField(new StringBuilder(), schema, fieldId, childProperties, seperator);
if (StringUtils.isNotBlank(structFieldBuilder.toString())) {
fieldStrings.add(structFieldBuilder.toString());
}
}
break;
default:
StringBuilder valueFieldBuilder = appendValueField(new StringBuilder(), schema, fieldId, fieldType, seperator);
if (StringUtils.isNotBlank(valueFieldBuilder.toString())) {
fieldStrings.add(valueFieldBuilder.toString());
}
}
}
}
}
builder.append(String.join(", ", fieldStrings));
Objects.requireNonNull(builder);
return builder;
}