.flatMap(partialExecution -> partialExecution.getInvolvedPlatforms().stream()) .map(platform -> this.configuration.getTimeToCostConverterProvider().provideFor(platform).getFixCosts()) .reduce(0d, (a, b) -> a + b);
.flatMap(partialExecution -> partialExecution.getInvolvedPlatforms().stream()) .map(platform -> this.configuration.getTimeToCostConverterProvider().provideFor(platform).getFixCosts()) .reduce(0d, (a, b) -> a + b);