src/main/java/org/apache/sysds/hops/codegen/cplan/cpp/CellWise.java

/*
 * 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.sysds.hops.codegen.cplan.cpp;

import org.apache.sysds.conf.ConfigurationManager;
import org.apache.sysds.conf.DMLConfig;
import org.apache.sysds.hops.codegen.cplan.CNodeBinary;
import org.apache.sysds.hops.codegen.cplan.CNodeTernary;
import org.apache.sysds.hops.codegen.cplan.CNodeUnary;
import org.apache.sysds.hops.codegen.cplan.CodeTemplate;
import org.apache.sysds.runtime.codegen.SpoofCellwise;
import org.apache.sysds.runtime.io.IOUtilFunctions;

import java.io.*;
import java.util.stream.Collectors;

// ToDo: clean code template and load from file
public class CellWise implements CodeTemplate {

    private static final String TEMPLATE_PATH = "/cuda/spoof/cellwise.cu";

    @Override
    public String getTemplate() {
        throw new RuntimeException("Calling wrong getTemplate method on " + getClass().getCanonicalName());
    }

    @Override
    public String getTemplate(SpoofCellwise.CellType ct) {
        try {
            // Change prefix to the code template file if running from jar. File were extracted to a temporary
            // directory in that case. By default we load the template from the source tree.
            if(CellWise.class.getProtectionDomain().getCodeSource().getLocation().getPath().contains(".jar"))
                return(IOUtilFunctions.toString(new FileInputStream(ConfigurationManager.getDMLConfig()
                        .getTextValue(DMLConfig.LOCAL_TMP_DIR) + TEMPLATE_PATH)));
            else
                return IOUtilFunctions.toString(new FileInputStream(System.getProperty("user.dir") +
                        "/src/main" + TEMPLATE_PATH));
        }
        catch(IOException e) {
            System.out.println(e.getMessage());
            return null;
        }
    }

    @Override
    public String getTemplate(CNodeUnary.UnaryType type, boolean sparse) {
        throw new RuntimeException("Calling wrong getTemplate method on " + getClass().getCanonicalName());
    }

    @Override
    public String getTemplate(CNodeBinary.BinType type, boolean sparseLhs, boolean sparseRhs, boolean scalarVector, boolean scalarInput) {
        throw new RuntimeException("Calling wrong getTemplate method on " + getClass().getCanonicalName());
    }

    @Override
    public String getTemplate(CNodeTernary.TernaryType type, boolean sparse) {
        throw new RuntimeException("Calling wrong getTemplate method on " + getClass().getCanonicalName());
    }
}