mnemonic-computing-services/mnemonic-utilities-service/src/main/java/org/apache/mnemonic/service/computing/internal/SortServiceImpl.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.mnemonic.service.computing.internal;

import org.apache.mnemonic.service.computing.GeneralComputingService;
import org.apache.mnemonic.service.computing.ValueInfo;
import org.flowcomputing.commons.primitives.NativeLibraryLoader;

public class SortServiceImpl implements GeneralComputingService {
  static {
    try {
      NativeLibraryLoader.loadFromJar("utilitiescomputing");
    } catch (Exception e) {
      throw new Error(e);
    }
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public String getServiceId() {
    return "sort";
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public long[] perform(String mode, ValueInfo[] valinfos) {
    long[] ret = null;
    if (null != mode && null != valinfos) {
      if ("tensor_bubble".equals(mode)) {
        ret = nperformBubbleSort(valinfos);
      } else if ("1dlong_bubble".equals(mode)) {
        ret = nperform1DLongBubbleSort(valinfos);
      }
    }
    return ret;
  }

  @Override
  public long[] perform(String mode, ValueInfo[] valinfos, long dcHandler, long dcSize) {
    throw new UnsupportedOperationException("Invalid operation for sort.");
  }

  /**
   * A native function to fulfill the action of print in native level.
   * @param valinfos an array of value info, some of them could be set as NULL
   * @return an array of handler returned by native level
   */
  protected native long[] nperformBubbleSort(ValueInfo[] valinfos);

  protected native long[] nperform1DLongBubbleSort(ValueInfo[] valinfos);

}