public class DistributedExecuteCommand<V> extends BaseRpcCommand implements VisitableCommand, CancellableCommand
Modifier and Type | Field and Description |
---|---|
static int |
COMMAND_ID |
cacheName
Constructor and Description |
---|
DistributedExecuteCommand() |
DistributedExecuteCommand(String cacheName) |
DistributedExecuteCommand(String cacheName,
Collection<Object> inputKeys,
Callable<V> callable) |
Modifier and Type | Method and Description |
---|---|
Object |
acceptVisitor(InvocationContext ctx,
Visitor visitor)
Accept a visitor, and return the result of accepting this visitor.
|
boolean |
canBlock()
If true, the command is processed asynchronously in a thread provided by an Infinispan thread pool.
|
boolean |
equals(Object obj) |
Callable<V> |
getCallable() |
byte |
getCommandId()
Used by marshallers to convert this command into an id for streaming.
|
Set<Object> |
getKeys() |
UUID |
getUUID()
Returns UUID of a command
|
int |
hashCode() |
boolean |
hasKeys() |
boolean |
ignoreCommandOnStatus(ComponentStatus status)
Similar to
VisitableCommand.shouldInvoke(InvocationContext) but evaluated by InvocationContextInterceptor . |
void |
init(Cache<Object,Object> cache) |
boolean |
isReturnValueExpected()
If true, a return value will be provided when performed remotely.
|
V |
perform(InvocationContext context)
Performs invocation of Callable and returns result
|
void |
readFrom(ObjectInput input)
Reads this instance from the stream written by
ReplicableCommand.writeTo(ObjectOutput) . |
boolean |
readsExistingValues() |
boolean |
shouldInvoke(InvocationContext ctx)
Used by the InboundInvocationHandler to determine whether the command should be invoked or not.
|
String |
toString() |
void |
writeTo(ObjectOutput output)
Writes this instance to the
ObjectOutput . |
getCacheName, getOrigin, setOrigin
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
alwaysReadsExistingValues
getCacheName, getOrigin, setOrigin
getParameters, setParameters
public static final int COMMAND_ID
public DistributedExecuteCommand(String cacheName)
public DistributedExecuteCommand(String cacheName, Collection<Object> inputKeys, Callable<V> callable)
public DistributedExecuteCommand()
public Object acceptVisitor(InvocationContext ctx, Visitor visitor) throws Throwable
VisitableCommand
acceptVisitor
in interface VisitableCommand
ctx
- invocation contextvisitor
- visitor to acceptThrowable
- in the event of problemspublic boolean ignoreCommandOnStatus(ComponentStatus status)
VisitableCommand
VisitableCommand.shouldInvoke(InvocationContext)
but evaluated by InvocationContextInterceptor
.
Commands can opt to be discarded in case the cache status is not suited (as InvalidateCommand
)ignoreCommandOnStatus
in interface VisitableCommand
public boolean readsExistingValues()
readsExistingValues
in interface VisitableCommand
true
if the command needs to read the previous values of the keys it acts on.public boolean shouldInvoke(InvocationContext ctx)
VisitableCommand
shouldInvoke
in interface VisitableCommand
public V perform(InvocationContext context) throws Exception
perform
in interface ReplicableCommand
context
- invocation contextException
public boolean hasKeys()
public byte getCommandId()
ReplicableCommand
getCommandId
in interface ReplicableCommand
public UUID getUUID()
CancellableCommand
getUUID
in interface CancellableCommand
public void writeTo(ObjectOutput output) throws IOException
ReplicableCommand
ObjectOutput
.writeTo
in interface ReplicableCommand
output
- the stream.IOException
- if an error occurred during the I/O.public void readFrom(ObjectInput input) throws IOException, ClassNotFoundException
ReplicableCommand
ReplicableCommand.writeTo(ObjectOutput)
.readFrom
in interface ReplicableCommand
input
- the stream to read.IOException
- if an error occurred during the I/O.ClassNotFoundException
- if it tries to load an undefined class.public String toString()
toString
in class BaseRpcCommand
public boolean isReturnValueExpected()
ReplicableCommand
ResponseGenerator
may choose to simply return null to save on marshalling costs.isReturnValueExpected
in interface ReplicableCommand
public boolean canBlock()
ReplicableCommand
canBlock
in interface ReplicableCommand
canBlock
in class BaseRpcCommand
true
if the command can block/wait, false
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