Module org.apache.jena.tdb
Package org.apache.jena.tdb1.index.bplustree

Class BPTreeRecords

java.lang.Object
org.apache.jena.tdb1.index.bplustree.BPTreePage
org.apache.jena.tdb1.index.bplustree.BPTreeRecords
All Implemented Interfaces:
org.apache.jena.atlas.io.Printable, Page
public final class BPTreeRecords extends BPTreePage
B+Tree wrapper over a block of records in a RecordBufferPage. This class adds no persistent state to a RecordBufferPage

  • Method Details

    • getRecordBuffer

      public RecordBuffer getRecordBuffer()

    • getBackingBlock

      public final Block getBackingBlock()
      Description copied from interface: Page
      Return the block associated with this page

    • reset

      public void reset(Block block)
      Description copied from interface: Page
      The underlying block for this page has changed (e.g. it's been promoted and the promotion may have caused something to change

    • isFull

      public boolean isFull()

    • hasAnyKeys

      public boolean hasAnyKeys()

    • isMinSize

      public boolean isMinSize()

    • internalSearch

      public Record internalSearch(Record rec)

    • write

      public final void write()

    • promote

      public final void promote()

    • release

      public final void release()

    • free

      public final void free()

    • internalInsert

      public Record internalInsert(Record record)

    • internalDelete

      public Record internalDelete(Record record)

    • getSplitKey

      public final Record getSplitKey()

    • split

      public final BPTreePage split()
      Split: place old high half in 'other'. Return the new (upper) BPTreeRecords(BPTreePage). Split is the high end of the low page.

    • shiftRight

      public Record shiftRight(BPTreePage other, Record splitKey)

    • shiftLeft

      public Record shiftLeft(BPTreePage other, Record splitKey)

    • merge

      public BPTreePage merge(BPTreePage right, Record splitKey)

    • minRecord

      public final Record minRecord()

    • maxRecord

      public final Record maxRecord()

    • getLowRecord

      public final Record getLowRecord()

    • getHighRecord

      public final Record getHighRecord()

    • getMaxSize

      public final int getMaxSize()

    • getCount

      public final int getCount()

    • setCount

      public final void setCount(int count)

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • checkNode

      public final void checkNode()

    • checkNodeDeep

      public final void checkNodeDeep()

    • getId

      public int getId()

    • output

      public void output(org.apache.jena.atlas.io.IndentedWriter out)