setup the parallelDos of this input channel
setup the parallelDos of this input channel
create an emitter for a given output tag, which will either emit values with auto-generated keys for a FloatingInputChannel, or key/values for a GbkInputChannel
create an emitter for a given output tag, which will either emit values with auto-generated keys for a FloatingInputChannel, or key/values for a GbkInputChannel
sourceNode + environments for the parallelDo nodes
sourceNode + environments for the parallelDo nodes
map a given key/value and emit it
map a given key/value and emit it
collect all the mappers which are connected to the source node and connect to one of the terminal nodes for this channel
collect all the mappers which are connected to the source node and connect to one of the terminal nodes for this channel
the output tag for a given "last" mapper
store the current TaggedKey/TaggedValue which are going to be a container for all key/values to map, by tag
store the current TaggedKey/TaggedValue which are going to be a container for all key/values to map, by tag
data source for this input channel
data source for this input channel
main source node providing data for this input channel
main source node providing data for this input channel
collect all the tags accessible from this source node
collect all the tags accessible from this source node
This input channel is a tree of Mappers which are all connected to Gbk nodes