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java.lang.Objectorg.infinispan.commands.read.AbstractDataCommand
org.infinispan.commands.write.AbstractDataWriteCommand
org.infinispan.commands.write.RemoveCommand
public class RemoveCommand
| Field Summary | |
|---|---|
static byte |
COMMAND_ID
|
protected CacheNotifier |
notifier
|
protected Object |
value
When not null, value indicates that the entry should only be removed if the key is mapped to this value. |
| Fields inherited from class org.infinispan.commands.read.AbstractDataCommand |
|---|
flags, key |
| Constructor Summary | |
|---|---|
RemoveCommand()
|
|
RemoveCommand(Object key,
Object value,
CacheNotifier notifier,
Set<Flag> flags)
|
|
| Method Summary | |
|---|---|
Object |
acceptVisitor(InvocationContext ctx,
Visitor visitor)
Accept a visitor, and return the result of accepting this visitor. |
boolean |
equals(Object o)
|
byte |
getCommandId()
Used by marshallers to convert this command into an id for streaming. |
Object[] |
getParameters()
Used by marshallers to stream this command across a network |
int |
hashCode()
|
void |
init(CacheNotifier notifier)
|
boolean |
isConditional()
Certain commands only work based on a certain condition or state of the cache. |
boolean |
isNonExistent()
|
boolean |
isSuccessful()
Some commands may want to provide information on whether the command was successful or not. |
protected void |
notify(InvocationContext ctx,
Object value,
boolean isPre)
|
Object |
perform(InvocationContext ctx)
Performs the primary function of the command. |
void |
setParameters(int commandId,
Object[] parameters)
Used by the CommandsFactory to create a command from raw data read off a stream. |
String |
toString()
|
| Methods inherited from class org.infinispan.commands.write.AbstractDataWriteCommand |
|---|
getAffectedKeys |
| Methods inherited from class org.infinispan.commands.read.AbstractDataCommand |
|---|
getFlags, getKey, setFlags, setKey, shouldInvoke |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Methods inherited from interface org.infinispan.commands.FlagAffectedCommand |
|---|
getFlags, setFlags |
| Methods inherited from interface org.infinispan.commands.DataCommand |
|---|
getKey |
| Methods inherited from interface org.infinispan.commands.VisitableCommand |
|---|
shouldInvoke |
| Field Detail |
|---|
public static final byte COMMAND_ID
protected CacheNotifier notifier
protected transient Object value
| Constructor Detail |
|---|
public RemoveCommand(Object key,
Object value,
CacheNotifier notifier,
Set<Flag> flags)
public RemoveCommand()
| Method Detail |
|---|
public void init(CacheNotifier notifier)
public Object acceptVisitor(InvocationContext ctx,
Visitor visitor)
throws Throwable
VisitableCommand
ctx - invocation contextvisitor - visitor to accept
Throwable - in the event of problems
public Object perform(InvocationContext ctx)
throws Throwable
ReplicableCommand
ctx - invocation context
Throwable - in the event of problems.
protected void notify(InvocationContext ctx,
Object value,
boolean isPre)
public byte getCommandId()
ReplicableCommand
public boolean equals(Object o)
equals in class AbstractDataCommandpublic int hashCode()
hashCode in class AbstractDataCommandpublic String toString()
toString in class AbstractDataCommandpublic boolean isSuccessful()
WriteCommand
public boolean isConditional()
WriteCommandConcurrentMap.putIfAbsent(Object, Object) only does anything if a condition is met, i.e., the entry in
question is not already present. This method tests whether the command in question is conditional or not.
public boolean isNonExistent()
public void setParameters(int commandId,
Object[] parameters)
ReplicableCommandCommandsFactory to create a command from raw data read off a stream.
setParameters in interface ReplicableCommandsetParameters in class AbstractDataCommandcommandId - command id to set. This is usually unused but *could* be used in the event of a command having
multiple IDs, such as PutKeyValueCommand.parameters - object array of argspublic Object[] getParameters()
ReplicableCommand
getParameters in interface ReplicableCommandgetParameters in class AbstractDataCommand
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