| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.sysml.udf; |
| |
| import org.apache.sysml.runtime.DMLRuntimeException; |
| import org.apache.sysml.runtime.controlprogram.context.ExecutionContext; |
| import org.apache.sysml.runtime.instructions.Instruction; |
| |
| /** |
| * Class to maintain external function invocation instructions. |
| * |
| * |
| * |
| */ |
| public class ExternalFunctionInvocationInstruction extends Instruction |
| { |
| |
| public static final String ELEMENT_DELIM = ":"; |
| |
| protected String className; // name of class that contains the function |
| protected String configFile; // optional configuration file parameter |
| protected String inputParams; // string representation of input parameters |
| protected String outputParams; // string representation of output parameters |
| |
| public ExternalFunctionInvocationInstruction(String className, |
| String configFile, String inputParams, |
| String outputParams) |
| { |
| this.className = className; |
| this.configFile = configFile; |
| this.inputParams = inputParams; |
| this.outputParams = outputParams; |
| } |
| |
| public String getClassName() { |
| return className; |
| } |
| |
| public String getConfigFile() { |
| return configFile; |
| } |
| |
| public String getInputParams() { |
| return inputParams; |
| } |
| |
| public String getOutputParams() { |
| return outputParams; |
| } |
| |
| public String toString() { |
| return className + ELEMENT_DELIM + |
| configFile + ELEMENT_DELIM + |
| inputParams + ELEMENT_DELIM + |
| outputParams; |
| } |
| |
| @Override |
| public void processInstruction(ExecutionContext ec) |
| throws DMLRuntimeException |
| { |
| //do nothing (not applicable because this instruction is only used as |
| //meta data container) |
| } |
| } |