- getAccumulatorCoder
- addInput
Adds the given input value to the given accumulator, returning the new
accumulator value.For efficie
- createAccumulator
Returns a new, mutable accumulator value, representing the accumulation of zero
input values.
- extractOutput
Returns the output value that is the result of combining all the input values
represented by the giv
- mergeAccumulators
Returns an accumulator representing the accumulation of all the input values
accumulated in the merg
- compact
Returns an accumulator that represents the same logical value as the input
accumulator, but may have
- getOutputType
Returns a TypeDescriptor capturing what is known statically about the output
type of this CombineFn
- apply
Applies this CombineFn to a collection of input values to produce a combined
output value.Useful whe
- defaultValue
By default returns the extract output of an empty accumulator.
- getIncompatibleGlobalWindowErrorMessage
- populateDisplayData