How to use

encodeLength

method

in

org.h2.mvstore.DataUtils

/**
 * Get the position of this page. The following information is encoded in
 * the position: the chunk id, the offset, the maximum length, and the type
 * (node or leaf).
 *
 * @param chunkId the chunk id
 * @param offset the offset
 * @param length the length
 * @param type the page type (1 for node, 0 for leaf)
 * @return the position
 */
public static long getPagePos(int chunkId, int offset,
    int length, int type) {
  long pos = (long) chunkId << 38;
  pos |= (long) offset << 6;
  pos |= encodeLength(length) << 1;
  pos |= type;
  return pos;
}

/**
 * Get the position of this page. The following information is encoded in
 * the position: the chunk id, the offset, the maximum length, and the type
 * (node or leaf).
 *
 * @param chunkId the chunk id
 * @param offset the offset
 * @param length the length
 * @param type the page type (1 for node, 0 for leaf)
 * @return the position
 */
public static long getPagePos(int chunkId, int offset,
    int length, int type) {
  long pos = (long) chunkId << 38;
  pos |= (long) offset << 6;
  pos |= encodeLength(length) << 1;
  pos |= type;
  return pos;
}

/**
 * Get the position of this page. The following information is encoded in
 * the position: the chunk id, the offset, the maximum length, and the type
 * (node or leaf).
 *
 * @param chunkId the chunk id
 * @param offset the offset
 * @param length the length
 * @param type the page type (1 for node, 0 for leaf)
 * @return the position
 */
public static long getPagePos(int chunkId, int offset,
    int length, int type) {
  long pos = (long) chunkId << 38;
  pos |= (long) offset << 6;
  pos |= encodeLength(length) << 1;
  pos |= type;
  return pos;
}

/**
 * Get the position of this page. The following information is encoded in
 * the position: the chunk id, the offset, the maximum length, and the type
 * (node or leaf).
 *
 * @param chunkId the chunk id
 * @param offset the offset
 * @param length the length
 * @param type the page type (1 for node, 0 for leaf)
 * @return the position
 */
public static long getPagePos(int chunkId, int offset,
    int length, int type) {
  long pos = (long) chunkId << 38;
  pos |= (long) offset << 6;
  pos |= encodeLength(length) << 1;
  pos |= type;
  return pos;
}