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Declarative Machine Learning
/*
* 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.DMLUnsupportedOperationException;
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, DMLUnsupportedOperationException
{
//do nothing (not applicable because this instruction is only used as
//meta data container)
}
}