Package org.apache.ignite.internal.persistence.tree.io

Interface CompactablePageIO

All Known Implementing Classes:
AbstractDataPageIO, BinaryDataIO, BPlusInnerIO, BPlusIO, BPlusLeafIO, IndexRowInnerIO, IndexRowLeafIO, LongDataInnerIO, LongDataLeafIO, LongDataPageIO, ObjectDataInnerIO, ObjectDataLeafIO, ObjectDataPageIO, PagesListNodeIO, SimpleDataPageIO
public interface CompactablePageIO
Page IO that supports compaction.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    compactPage(ByteBuffer page, ByteBuffer out, int pageSize)
    Compacts page contents to the output buffer.
    void
    restorePage(ByteBuffer compactPage, int pageSize)
    Restores the original page in place.

  • Method Details

    • compactPage

      void compactPage(ByteBuffer page, ByteBuffer out, int pageSize)
      Compacts page contents to the output buffer. Implementation must not change contents, position and limit of the original page buffer.
      Parameters:
      page - Page buffer.
      out - Output buffer.
      pageSize - Page size.

    • restorePage

      void restorePage(ByteBuffer compactPage, int pageSize)
      Restores the original page in place.
      Parameters:
      compactPage - Compact page.
      pageSize - Page size.