public class GravitateDataCommand extends AbstractDataCommand
DataGravitatorInterceptor
.
This is the equivalent of the old MethodCallDefinitions.dataGravitationMethod method call from 2.1.x.
Modifier and Type | Field and Description |
---|---|
static int |
METHOD_ID |
protected boolean |
searchSubtrees |
dataContainer, fqn
Constructor and Description |
---|
GravitateDataCommand(org.jgroups.Address localAddress) |
GravitateDataCommand(Fqn fqn,
boolean searchSubtrees,
org.jgroups.Address localAddress) |
Modifier and Type | Method and Description |
---|---|
Object |
acceptVisitor(InvocationContext ctx,
Visitor visitor)
Accept a visitor, and return the result of accepting this visitor.
|
boolean |
equals(Object o) |
protected Set<Object> |
getBackupRoots() |
int |
getCommandId()
Used by marshallers to convert this command into an id for streaming.
|
Object[] |
getParameters()
Basic versions of these methods
|
int |
hashCode() |
void |
initialize(DataContainer dataContainer,
CacheSPI spi,
BuddyFqnTransformer transformer) |
boolean |
isSearchSubtrees() |
Object |
perform(InvocationContext ctx)
Searches for data to gravitate given an Fqn and whether buddy backup subtrees are to be searched as well.
|
void |
setParameters(int commandId,
Object[] args)
Basic versions of these methods
|
protected List<Object> |
sortBackupRoots(Set<Object> allGroupNames) |
String |
toString() |
getFqn, initialize
public static final int METHOD_ID
protected boolean searchSubtrees
public GravitateDataCommand(Fqn fqn, boolean searchSubtrees, org.jgroups.Address localAddress)
public GravitateDataCommand(org.jgroups.Address localAddress)
public void initialize(DataContainer dataContainer, CacheSPI spi, BuddyFqnTransformer transformer)
public Object perform(InvocationContext ctx)
ctx
- invocation contextGravitateResult
containing node data, as well as information on whether this was found in a primary or backup tree.protected Set<Object> getBackupRoots()
public Object acceptVisitor(InvocationContext ctx, Visitor visitor) throws Throwable
VisitableCommand
ctx
- invocation contextvisitor
- visitor to acceptThrowable
- in the event of problemspublic int getCommandId()
ReplicableCommand
public boolean isSearchSubtrees()
public Object[] getParameters()
AbstractDataCommand
getParameters
in interface ReplicableCommand
getParameters
in class AbstractDataCommand
public void setParameters(int commandId, Object[] args)
AbstractDataCommand
setParameters
in interface ReplicableCommand
setParameters
in class AbstractDataCommand
commandId
- command id to set. This is usually unused but *could* be used in the event of a command having multiple IDs, such as PutKeyValueCommand
.args
- object array of argspublic boolean equals(Object o)
equals
in class AbstractDataCommand
public int hashCode()
hashCode
in class AbstractDataCommand
public String toString()
toString
in class AbstractDataCommand
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