public class IdGeneratorImpl extends Object implements IdGenerator
IAtomicLong
.
For each block, ID generation is simply a volatile increment.
Modifier and Type | Field and Description |
---|---|
static int |
BLOCK_SIZE |
Constructor and Description |
---|
IdGeneratorImpl(IAtomicLong blockGenerator) |
Modifier and Type | Method and Description |
---|---|
void |
destroy()
Destroys this object cluster-wide.
|
String |
getName()
Returns the unique name for this DistributedObject.
|
String |
getPartitionKey()
Returns the key of the partition that this DistributedObject is assigned to.
|
String |
getServiceName()
Returns the service name for this object.
|
boolean |
init(long id)
Tries to initialize this
IdGenerator instance with the given ID. |
long |
newId()
Generates and returns a cluster-wide unique ID.
|
public static final int BLOCK_SIZE
public IdGeneratorImpl(IAtomicLong blockGenerator)
public boolean init(long id)
IdGenerator
IdGenerator
instance with the given ID.
The next generated ID will be 1 greater than the supplied ID.
init
in interface IdGenerator
true
if initialization succeeded, false
otherwise.public long newId()
IdGenerator
newId
in interface IdGenerator
public String getPartitionKey()
DistributedObject
IAtomicLong
. For a partitioned data structure like an IMap
,
the returned value will not be null, but otherwise undefined.getPartitionKey
in interface DistributedObject
public String getName()
DistributedObject
DistributedObjectUtil.getName(DistributedObject)
because this might be also a PrefixedDistributedObject
.getName
in interface DistributedObject
public String getServiceName()
DistributedObject
getServiceName
in interface DistributedObject
public void destroy()
DistributedObject
destroy
in interface DistributedObject
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