Class UUIDType4StringSeq

java.lang.Object
org.apache.openjpa.kernel.UUIDType4StringSeq
All Implemented Interfaces:
Seq, Closeable

public class UUIDType4StringSeq extends Object implements Seq
Sequence for generating 16-character UUID strings.
Author:
Jeremy Bauer
  • Method Details

    • getInstance

      public static UUIDType4StringSeq getInstance()
      Return the singleton instance.
    • setType

      public void setType(int type)
      Description copied from interface: Seq
      Set the type of sequence.
      Specified by:
      setType in interface Seq
    • next

      public Object next(StoreContext ctx, ClassMetaData meta)
      Description copied from interface: Seq
      Return the next value in the sequence.
      Specified by:
      next in interface Seq
      Parameters:
      ctx - the current context
      meta - if this is a datastore identity sequence, the persistent class the identity value is for; else null
    • current

      public Object current(StoreContext ctx, ClassMetaData meta)
      Description copied from interface: Seq
      Return the current value of the sequence, or null if not available.
      Specified by:
      current in interface Seq
      Parameters:
      ctx - the current context
      meta - if this is a datastore identity sequence, the persistent class the identity value is for; else null
    • allocate

      public void allocate(int additional, StoreContext ctx, ClassMetaData meta)
      Description copied from interface: Seq
      Allocate additional values efficiently.
      Specified by:
      allocate in interface Seq
      ctx - the current context
      meta - if this is a datastore identity sequence, the persistent class the identity value is for; else null
    • close

      public void close()
      Description copied from interface: Seq
      Free resources used by this sequence.
      Specified by:
      close in interface Closeable
      Specified by:
      close in interface Seq