private static final DataSourceNode getSourceNode() {
return new DataSourceNode(new GenericDataSourceBase<String, TextInputFormat>(new TextInputFormat(new Path("/")), new OperatorInformation<String>(BasicTypeInfo.STRING_TYPE_INFO)));
}
private static final MapNode getMapNode() {
return new MapNode(new MapOperatorBase<String, String, MapFunction<String,String>>(new IdentityMapper<String>(), new UnaryOperatorInformation<String, String>(BasicTypeInfo.STRING_TYPE_INFO, BasicTypeInfo.STRING_TYPE_INFO), "map op"));
}