com.intellij.openapi.vcs.CollectionSplitter Maven / Gradle / Ivy

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package com.intellij.openapi.vcs;

import java.util.*;

public class CollectionSplitter {
  private final int myBunchSize;

  public CollectionSplitter(int bunchSize) {
    myBunchSize = bunchSize;
  }

  public List> split(final Collection in) {
    if (in.size() <= myBunchSize) return Collections.>singletonList(new ArrayList(in));

    final List> result = new LinkedList>();
    List piece = new LinkedList();
    for (T path : in) {
      if (myBunchSize == piece.size()) {
        result.add(piece);
        piece = new LinkedList();
      }
      piece.add(path);
    }
    if (! piece.isEmpty()) {
      result.add(piece);
    }
    return result;
  }
}