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java.lang.Object org.apache.openjpa.kernel.UUIDType4StringSeq
public class UUIDType4StringSeq
Sequence for generating 16-character UUID strings.
Field Summary |
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Fields inherited from interface org.apache.openjpa.kernel.Seq |
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TYPE_CONTIGUOUS, TYPE_DEFAULT, TYPE_NONTRANSACTIONAL, TYPE_TRANSACTIONAL |
Method Summary | |
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void |
allocate(int additional,
StoreContext ctx,
ClassMetaData meta)
Allocate additional values efficiently. |
void |
close()
Free resources used by this sequence. |
Object |
current(StoreContext ctx,
ClassMetaData meta)
Return the current value of the sequence, or null if not available. |
static UUIDType4StringSeq |
getInstance()
Return the singleton instance. |
Object |
next(StoreContext ctx,
ClassMetaData meta)
Return the next value in the sequence. |
void |
setType(int type)
Set the type of sequence. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static UUIDType4StringSeq getInstance()
public void setType(int type)
Seq
setType
in interface Seq
public Object next(StoreContext ctx, ClassMetaData meta)
Seq
next
in interface Seq
ctx
- the current contextmeta
- if this is a datastore identity sequence, the
persistent class the identity value is for; else nullpublic Object current(StoreContext ctx, ClassMetaData meta)
Seq
current
in interface Seq
ctx
- the current contextmeta
- if this is a datastore identity sequence, the
persistent class the identity value is for; else nullpublic void allocate(int additional, StoreContext ctx, ClassMetaData meta)
Seq
allocate
in interface Seq
ctx
- the current contextmeta
- if this is a datastore identity sequence, the
persistent class the identity value is for; else nullpublic void close()
Seq
close
in interface Seq
close
in interface Closeable
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