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

Class BPTreeNodeMgr

  • All Implemented Interfaces:
    org.apache.jena.atlas.lib.Closeable
    public final class BPTreeNodeMgr
extends org.apache.jena.dboe.base.page.PageBlockMgr<BPTreeNode>
    BPlusTreePageMgr = BPlusTreeNode manager

    • Constructor Summary

      Constructors 
      Constructor Description
      BPTreeNodeMgr​(BPlusTree bpTree, org.apache.jena.dboe.base.block.BlockMgr blockMgr)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      BPTreeNode createNode​(int parent)
      Allocate space for a fresh node.
      BPTreeNode getRead​(int id)  
      BPTreeNode getRead​(int id, int parent)
      Fetch a block - fill in the parent id, which is not in the on-disk bytes
      BPTreeNode getWrite​(int id)  
      BPTreeNode getWrite​(int id, int parent)
      Fetch a block - fill in the parent id, which is not in the on-disk bytes

      • Methods inherited from class org.apache.jena.dboe.base.page.PageBlockMgr

        allocLimit, close, create, dump, finishRead, finishUpdate, free, getBlockMgr, promoteDuplicate, promoteInPlace, put, release, resetAlloc, startRead, startUpdate, valid, write

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • BPTreeNodeMgr

        public BPTreeNodeMgr​(BPlusTree bpTree,
                     org.apache.jena.dboe.base.block.BlockMgr blockMgr)

    • Method Detail

      • createNode

        public BPTreeNode createNode​(int parent)
        Allocate space for a fresh node.

      • getWrite

        public BPTreeNode getWrite​(int id)
        Overrides:
        getWrite in class org.apache.jena.dboe.base.page.PageBlockMgr<BPTreeNode>

      • getRead

        public BPTreeNode getRead​(int id)
        Overrides:
        getRead in class org.apache.jena.dboe.base.page.PageBlockMgr<BPTreeNode>

      • getRead

        public BPTreeNode getRead​(int id,
                          int parent)
        Fetch a block - fill in the parent id, which is not in the on-disk bytes
        Overrides:
        getRead in class org.apache.jena.dboe.base.page.PageBlockMgr<BPTreeNode>

      • getWrite

        public BPTreeNode getWrite​(int id,
                           int parent)
        Fetch a block - fill in the parent id, which is not in the on-disk bytes
        Overrides:
        getWrite in class org.apache.jena.dboe.base.page.PageBlockMgr<BPTreeNode>