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%PartitionwiseOperation % An operation that acts on each partition of data. % Copyright 2015-2016 The MathWorks, Inc. classdef (Sealed) PartitionwiseOperation < matlab.bigdata.internal.lazyeval.Operation properties (SetAccess = immutable) % The function handle for the operation. FunctionHandle; end methods % The main constructor. function obj = PartitionwiseOperation(functionHandle, numInputs, numOutputs, dependsOnlyOnHead) if nargin < 4 dependsOnlyOnHead = false; end supportsPreview = dependsOnlyOnHead; obj = obj@matlab.bigdata.internal.lazyeval.Operation(numInputs, numOutputs, supportsPreview, dependsOnlyOnHead); obj.FunctionHandle = functionHandle; end end % Methods overridden in the Operation interface. methods function task = createExecutionTasks(obj, taskDependencies, inputFutureMap, isInputReplicated) import matlab.bigdata.internal.executor.ExecutionTask; import matlab.bigdata.internal.lazyeval.PartitionwiseProcessor; processorFactory = PartitionwiseProcessor.createFactory(... obj.FunctionHandle, obj.NumOutputs, inputFutureMap, isInputReplicated); task = ExecutionTask.createSimpleTask(taskDependencies, processorFactory); end end end