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

Class 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 Detail

      • 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 java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • checkNode

        public final void checkNode()

      • checkNodeDeep

        public final void checkNodeDeep()

      • getId

        public int getId()

      • getRefStr

        public java.lang.String getRefStr()

      • output

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