/** * Copyright (C) 2001-2017 by RapidMiner and the contributors * * Complete list of developers available at our web site: * * http://rapidminer.com * * This program is free software: you can redistribute it and/or modify it under the terms of the * GNU Affero General Public License as published by the Free Software Foundation, either version 3 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License along with this program. * If not, see http://www.gnu.org/licenses/. */ package com.rapidminer.operator; import com.rapidminer.operator.ports.InputPort; import com.rapidminer.operator.ports.OutputPort; import com.rapidminer.operator.ports.OutputPortExtender; /** * This operator copies its input to all connected output ports. * * @author Simon Fischer * */ public class IOMultiplier extends Operator { private final InputPort inputPort = getInputPorts().createPort("input"); private final OutputPortExtender outputExtender = new OutputPortExtender("output", getOutputPorts()); public IOMultiplier(OperatorDescription description) { super(description); outputExtender.start(); getTransformer().addRule(outputExtender.makePassThroughRule(inputPort)); } @Override public void doWork() { IOObject input = inputPort.getAnyDataOrNull(); if (input != null) { for (OutputPort outputPort : outputExtender.getManagedPorts()) { outputPort.deliver(input.copy()); } } } /** The port whose IOObject is copied. */ public InputPort getInputPort() { return inputPort; } }