public static List<VarNode> convertDefineFunctionsToVarNodes(
MapperManager mapperManger, List<INode> iNodes) {
List<VarNode> varNodes = new ArrayList<VarNode>();
if (mapperManger != null) {
PigMapComponent mapperComponent = mapperManger.getMapperComponent();
iNodesDefineFunctions.clear();
defineFunctionsAlias.clear();
checkPigLoadIfDefineFunctions(mapperComponent, iNodes);
iNodesDefineFunctions.addAll(iNodes);
for (INode iNode : iNodes) {
IElementParameter elementParameter =
iNode.getElementParameter(PigMapConstants.DEFINE_FUNCTION);
if (elementParameter != null && elementParameter.getValue() instanceof List) {
List<Map<String, String>> defineFunctions =
(List<Map<String, String>>) elementParameter.getValue();
if (defineFunctions.size() > 0) {
for (Map<String, String> item : defineFunctions) {
VarNode newVarNode = PigmapFactory.eINSTANCE.createVarNode();
newVarNode.setType(iNode.getUniqueName());
newVarNode.setName(item.get(PigMapConstants.FUNCTION_ALIAS));
newVarNode.setExpression(item.get(PigMapConstants.UDF_FUNCTION));
varNodes.add(newVarNode);
String key = item.get(PigMapConstants.FUNCTION_ALIAS);
if (!defineFunctionsAlias.containsKey(key)) {
defineFunctionsAlias.put(key, item.get(PigMapConstants.UDF_FUNCTION));
}
}
}
}
}
}
return varNodes;
}
