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

Class BlockTracker

  • All Implemented Interfaces:
    org.apache.jena.atlas.lib.Closeable, org.apache.jena.atlas.lib.Sync, org.apache.jena.dboe.base.block.BlockMgr
    public class BlockTracker
extends java.lang.Object
implements org.apache.jena.dboe.base.block.BlockMgr
    Track the lifecycles of allocate-write, getRead-promote-write and getWrite-write. Does not track read only or iterators blocks.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static boolean collectHistory  
      static org.slf4j.Logger logger  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      org.apache.jena.dboe.base.block.Block allocate​(int blockSize)  
      long allocLimit()  
      void beginRead()  
      void beginUpdate()  
      void clearAll()  
      void clearHistory()  
      void close()  
      void endRead()  
      void endUpdate()  
      void free​(org.apache.jena.dboe.base.block.Block block)  
      java.lang.String getLabel()  
      org.apache.jena.dboe.base.block.Block getRead​(long id)  
      org.apache.jena.dboe.base.block.Block getWrite​(long id)  
      boolean isClosed()  
      boolean isEmpty()  
      void overwrite​(org.apache.jena.dboe.base.block.Block block)  
      org.apache.jena.dboe.base.block.Block promote​(org.apache.jena.dboe.base.block.Block block)  
      void release​(org.apache.jena.dboe.base.block.Block block)  
      void resetAlloc​(long boundary)  
      void sync()  
      void syncForce()  
      java.lang.String toString()  
      static org.apache.jena.dboe.base.block.BlockMgr track​(org.apache.jena.dboe.base.block.BlockMgr blkMgr)  
      boolean valid​(int id)  
      void write​(org.apache.jena.dboe.base.block.Block block)  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • logger

        public static org.slf4j.Logger logger

      • collectHistory

        public static boolean collectHistory

    • Method Detail

      • clearHistory

        public void clearHistory()

      • clearAll

        public void clearAll()

      • track

        public static org.apache.jena.dboe.base.block.BlockMgr track​(org.apache.jena.dboe.base.block.BlockMgr blkMgr)

      • allocate

        public org.apache.jena.dboe.base.block.Block allocate​(int blockSize)
        Specified by:
        allocate in interface org.apache.jena.dboe.base.block.BlockMgr

      • getRead

        public org.apache.jena.dboe.base.block.Block getRead​(long id)
        Specified by:
        getRead in interface org.apache.jena.dboe.base.block.BlockMgr

      • getWrite

        public org.apache.jena.dboe.base.block.Block getWrite​(long id)
        Specified by:
        getWrite in interface org.apache.jena.dboe.base.block.BlockMgr

      • promote

        public org.apache.jena.dboe.base.block.Block promote​(org.apache.jena.dboe.base.block.Block block)
        Specified by:
        promote in interface org.apache.jena.dboe.base.block.BlockMgr

      • release

        public void release​(org.apache.jena.dboe.base.block.Block block)
        Specified by:
        release in interface org.apache.jena.dboe.base.block.BlockMgr

      • write

        public void write​(org.apache.jena.dboe.base.block.Block block)
        Specified by:
        write in interface org.apache.jena.dboe.base.block.BlockMgr

      • overwrite

        public void overwrite​(org.apache.jena.dboe.base.block.Block block)
        Specified by:
        overwrite in interface org.apache.jena.dboe.base.block.BlockMgr

      • free

        public void free​(org.apache.jena.dboe.base.block.Block block)
        Specified by:
        free in interface org.apache.jena.dboe.base.block.BlockMgr

      • sync

        public void sync()
        Specified by:
        sync in interface org.apache.jena.dboe.base.block.BlockMgr
        Specified by:
        sync in interface org.apache.jena.atlas.lib.Sync

      • syncForce

        public void syncForce()
        Specified by:
        syncForce in interface org.apache.jena.dboe.base.block.BlockMgr

      • close

        public void close()
        Specified by:
        close in interface org.apache.jena.dboe.base.block.BlockMgr
        Specified by:
        close in interface org.apache.jena.atlas.lib.Closeable

      • isEmpty

        public boolean isEmpty()
        Specified by:
        isEmpty in interface org.apache.jena.dboe.base.block.BlockMgr

      • allocLimit

        public long allocLimit()
        Specified by:
        allocLimit in interface org.apache.jena.dboe.base.block.BlockMgr

      • resetAlloc

        public void resetAlloc​(long boundary)
        Specified by:
        resetAlloc in interface org.apache.jena.dboe.base.block.BlockMgr

      • valid

        public boolean valid​(int id)
        Specified by:
        valid in interface org.apache.jena.dboe.base.block.BlockMgr

      • isClosed

        public boolean isClosed()
        Specified by:
        isClosed in interface org.apache.jena.dboe.base.block.BlockMgr

      • beginRead

        public void beginRead()
        Specified by:
        beginRead in interface org.apache.jena.dboe.base.block.BlockMgr

      • endRead

        public void endRead()
        Specified by:
        endRead in interface org.apache.jena.dboe.base.block.BlockMgr

      • beginUpdate

        public void beginUpdate()
        Specified by:
        beginUpdate in interface org.apache.jena.dboe.base.block.BlockMgr

      • endUpdate

        public void endUpdate()
        Specified by:
        endUpdate in interface org.apache.jena.dboe.base.block.BlockMgr

      • toString

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

      • getLabel

        public java.lang.String getLabel()
        Specified by:
        getLabel in interface org.apache.jena.dboe.base.block.BlockMgr