org.springframework.data.mongodb.core.aggregation

Interface ScriptOperators.Accumulator.AccumulatorAccumulateBuilder

All Known Subinterfaces:

ScriptOperators.Accumulator.AccumulatorInitArgsBuilder

Enclosing class:

ScriptOperators.Accumulator

public static interface ScriptOperators.Accumulator.AccumulatorAccumulateBuilder

Method Summary

Modifier and Type	Method and Description
default ScriptOperators.Accumulator.AccumulatorMergeBuilder	accumulate(ScriptOperators.Function function) Set the accumulate ScriptOperators.Function that updates the state for each document.
ScriptOperators.Accumulator.AccumulatorAccumulateArgsBuilder	accumulate(String function) Set the accumulate function that updates the state for each document.

Method Detail

accumulate

default ScriptOperators.Accumulator.AccumulatorMergeBuilder accumulate(ScriptOperators.Function function)

Set the accumulate ScriptOperators.Function that updates the state for each document. The functions first argument is the current state, additional arguments can be defined via accumulateArgs.
function(state, accumArg1, accumArg2, ...) { ... return newState }

Parameters:

function - must not be null.

Returns:

this.

accumulate

ScriptOperators.Accumulator.AccumulatorAccumulateArgsBuilder accumulate(String function)

Set the accumulate function that updates the state for each document. The functions first argument is the current state, additional arguments can be defined via ScriptOperators.Accumulator.AccumulatorAccumulateArgsBuilder.accumulateArgs(Object...).
function(state, accumArg1, accumArg2, ...) { ... return newState }

Parameters:

function - must not be null.

Returns:

this.