core/src/main/java/org/apache/carbondata/core/indexstore/SegmentWrapper.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.carbondata.core.indexstore;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import org.apache.carbondata.core.index.Segment;

import org.apache.hadoop.io.Writable;

public class SegmentWrapper implements Writable, Serializable {

  private List<Segment> segments;

  public SegmentWrapper() {

  }

  public SegmentWrapper(List<Segment> segments) {
    this.segments = segments;
  }

  public List<Segment> getSegments() {
    return segments;
  }

  @Override
  public void write(DataOutput dataOutput) throws IOException {
    dataOutput.writeInt(segments.size());
    for (Segment segment : segments) {
      segment.write(dataOutput);
    }
  }

  @Override
  public void readFields(DataInput dataInput) throws IOException {
    int size = dataInput.readInt();
    segments = new ArrayList<>(size);
    for (int i = 0; i < size; i++) {
      Segment segment = new Segment();
      segment.readFields(dataInput);
      segments.add(segment);
    }
  }
}