Module org.apache.jena.dboe.trans.data
Package org.apache.jena.dboe.trans.bplustree

Class BPTreeRecords

java.lang.Object
org.apache.jena.dboe.trans.bplustree.BPTreePage
org.apache.jena.dboe.trans.bplustree.BPTreeRecords
All Implemented Interfaces:
org.apache.jena.atlas.io.Printable, org.apache.jena.dboe.base.page.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

    • get

      public final org.apache.jena.dboe.base.record.Record get(int idx)

    • getBackingBlock

      public final org.apache.jena.dboe.base.block.Block getBackingBlock()

    • getBlockMgr

      public org.apache.jena.dboe.base.block.BlockMgr getBlockMgr()

    • reset

      public void reset(org.apache.jena.dboe.base.block.Block block)

    • isFull

      public boolean isFull()

    • hasAnyKeys

      public boolean hasAnyKeys()

    • isMinSize

      public boolean isMinSize()

    • write

      public final void write()

    • release

      public final void release()

    • free

      public final void free()

    • getSplitKey

      public org.apache.jena.dboe.base.record.Record getSplitKey()

    • split

      public 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 org.apache.jena.dboe.base.record.Record shiftRight(BPTreePage other, org.apache.jena.dboe.base.record.Record splitKey)

    • shiftLeft

      public org.apache.jena.dboe.base.record.Record shiftLeft(BPTreePage other, org.apache.jena.dboe.base.record.Record splitKey)

    • internalMinRecord

      public final org.apache.jena.dboe.base.record.Record internalMinRecord(AccessPath path)

    • internalMaxRecord

      public final org.apache.jena.dboe.base.record.Record internalMaxRecord(AccessPath path)

    • getLowRecord

      public final org.apache.jena.dboe.base.record.Record getLowRecord()

    • getHighRecord

      public final org.apache.jena.dboe.base.record.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()

    • getRefStr

      public String getRefStr()

    • output

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