Module org.apache.jena.tdb
Package org.apache.jena.tdb1.store.tupletable

Class TupleTable

java.lang.Object
org.apache.jena.tdb1.store.tupletable.TupleTable
All Implemented Interfaces:
org.apache.jena.atlas.lib.Closeable, org.apache.jena.atlas.lib.Sync
public class TupleTable extends Object implements org.apache.jena.atlas.lib.Sync, org.apache.jena.atlas.lib.Closeable
A TupleTable is a set of TupleIndexes. The first TupleIndex is the "primary" index and must exist

  • Constructor Summary

    Constructors
    Constructor
    Description
    TupleTable(int tupleLen, TupleIndex[] indexes)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    add(org.apache.jena.atlas.lib.tuple.Tuple<NodeId> t)
    Insert a tuple - return true if it was really added, false if it was a duplicate
    void
    clear()
     
    final void
    close()
     
    boolean
    delete(org.apache.jena.atlas.lib.tuple.Tuple<NodeId> t)
    Delete a tuple - return true if it was deleted, false if it didn't exist
    Iterator<org.apache.jena.atlas.lib.tuple.Tuple<NodeId>>
    find(org.apache.jena.atlas.lib.tuple.Tuple<NodeId> pattern)
    Find all matching tuples - a slot of NodeId.NodeIdAny (or null) means match any
    TupleIndex
    getIndex(int i)
    Get i'th index
    TupleIndex[]
    getIndexes()
    Get all indexes - for code that manipulates internal structures directly - use with care
    int
    getTupleLen()
    Get the width of tuples in indexes in this table
    boolean
    isEmpty()
     
    int
    numIndexes()
    Number of indexes on this tuple table
    void
    setTupleIndex(int i, TupleIndex index)
    Set index - for code that manipulates internal structures directly - use with care
    long
    size()
     
    void
    sync()
     

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • TupleTable

      public TupleTable(int tupleLen, TupleIndex[] indexes)

  • Method Details

    • add

      public boolean add(org.apache.jena.atlas.lib.tuple.Tuple<NodeId> t)
      Insert a tuple - return true if it was really added, false if it was a duplicate

    • delete

      public boolean delete(org.apache.jena.atlas.lib.tuple.Tuple<NodeId> t)
      Delete a tuple - return true if it was deleted, false if it didn't exist

    • find

      public Iterator<org.apache.jena.atlas.lib.tuple.Tuple<NodeId>> find(org.apache.jena.atlas.lib.tuple.Tuple<NodeId> pattern)
      Find all matching tuples - a slot of NodeId.NodeIdAny (or null) means match any

    • close

      public final void close()
      Specified by:
      close in interface org.apache.jena.atlas.lib.Closeable

    • sync

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

    • isEmpty

      public boolean isEmpty()

    • clear

      public void clear()

    • size

      public long size()

    • getIndex

      public TupleIndex getIndex(int i)
      Get i'th index

    • getIndexes

      public TupleIndex[] getIndexes()
      Get all indexes - for code that manipulates internal structures directly - use with care

    • getTupleLen

      public int getTupleLen()
      Get the width of tuples in indexes in this table

    • setTupleIndex

      public void setTupleIndex(int i, TupleIndex index)
      Set index - for code that manipulates internal structures directly - use with care

    • numIndexes

      public int numIndexes()
      Number of indexes on this tuple table