Method updateText

basex-core/src/main/java/org/basex/data/DiskData.java:325–363

(final int pre, final byte[] value, final int kind)

  }

  @Override
  protected void updateText(final int pre, final byte[] value, final int kind) {
    // delete existing index entry
    indexDelete(pre, -1, 1);

    // reference to heap file
    final DataAccess store = kind == ATTR ? values : texts;
    // old entry (offset or value)
    final long oldRef = textRef(pre);

    // check if new entry can be inlined
    final long v = Inline.packInt(value);
    if(v != -1) {
      // invalidate old entry if it was not inlined
      if(!Inline.inlined(oldRef)) store.free(oldRef & Compress.COMPRESS - 1, 0);
      // inline integer value
      textRef(pre, v);
    } else {
      // otherwise, try to compress new value
      final byte[] val = Compress.pack(value);

      // choose inserting position
      final long off;
      if(Inline.inlined(oldRef)) {
        // old entry was inlined: append new entry to heap file
        off = store.length();
      } else {
        // otherwise, compute inserting position and invalidate old entry
        final int vl = val.length;
        off = store.free(oldRef & Compress.COMPRESS - 1, vl + Num.length(vl));
      }

      store.writeToken(off, val);
      textRef(pre, val == value ? off : off | Compress.COMPRESS);
    }

    // insert new entries
    indexAdd(pre, -1, 1, null);
  }

  @Override
  protected long textRef(final byte[] value, final boolean text) {