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java.lang.Objectorg.infinispan.commands.remote.BaseRpcCommand
org.infinispan.commands.remote.ClusteredGetCommand
public class ClusteredGetCommand
Issues a remote get call. This is not a VisitableCommand
and hence not passed up the
CommandInterceptor
chain.
Field Summary | |
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static byte |
COMMAND_ID
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Fields inherited from class org.infinispan.commands.remote.BaseRpcCommand |
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cacheName |
Constructor Summary | |
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ClusteredGetCommand(Object key,
String cacheName)
|
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ClusteredGetCommand(Object key,
String cacheName,
Set<Flag> flags,
boolean acquireRemoteLock,
GlobalTransaction gtx)
|
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ClusteredGetCommand(String cacheName)
|
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ClusteredGetCommand(String key,
String cacheName,
Set<Flag> flags)
|
Method Summary | |
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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. |
Set<Flag> |
getFlags()
|
Object |
getKey()
|
Object[] |
getParameters()
Used by marshallers to stream this command across a network |
int |
getTopologyId()
|
boolean |
hasFlag(Flag flag)
Check whether a particular flag is present in the command |
int |
hashCode()
|
boolean |
ignoreCommandOnStatus(ComponentStatus status)
Similar to VisitableCommand.shouldInvoke(InvocationContext) but evaluated by InvocationContextInterceptor . |
void |
initialize(InvocationContextContainer icc,
CommandsFactory commandsFactory,
InternalEntryFactory entryFactory,
InterceptorChain interceptorChain,
DistributionManager distributionManager,
TransactionTable txTable)
|
boolean |
isReturnValueExpected()
If true, a return value will be provided when performed remotely. |
InternalCacheValue |
perform(InvocationContext context)
Invokes a logical "get(key)" on a remote cache and returns results. |
void |
setFlags(Flag... flags)
Use it to store the flags from the InvocationContext into the Command before remoting the Command. |
void |
setFlags(Set<Flag> flags)
Use it to store the flags from the InvocationContext into the Command before remoting the Command. |
void |
setParameters(int commandId,
Object[] args)
Used by the CommandsFactory to create a command from raw data read off a stream. |
void |
setTopologyId(int topologyId)
|
boolean |
shouldInvoke(InvocationContext ctx)
Used by the InboundInvocationHandler to determine whether the command should be invoked or not. |
String |
toString()
|
Methods inherited from class org.infinispan.commands.remote.BaseRpcCommand |
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getCacheName, getOrigin, setOrigin |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final byte COMMAND_ID
Constructor Detail |
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public ClusteredGetCommand(String cacheName)
public ClusteredGetCommand(Object key, String cacheName, Set<Flag> flags, boolean acquireRemoteLock, GlobalTransaction gtx)
public ClusteredGetCommand(Object key, String cacheName)
public ClusteredGetCommand(String key, String cacheName, Set<Flag> flags)
Method Detail |
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public void initialize(InvocationContextContainer icc, CommandsFactory commandsFactory, InternalEntryFactory entryFactory, InterceptorChain interceptorChain, DistributionManager distributionManager, TransactionTable txTable)
public InternalCacheValue perform(InvocationContext context) throws Throwable
perform
in interface ReplicableCommand
context
- invocation context, ignored.
CacheEntry
or null, if no entry is found.
Throwable
- in the event of problems.public byte getCommandId()
ReplicableCommand
getCommandId
in interface ReplicableCommand
public Object[] getParameters()
ReplicableCommand
getParameters
in interface ReplicableCommand
public void setParameters(int commandId, Object[] args)
ReplicableCommand
CommandsFactory
to create a command from raw data read off a stream.
setParameters
in interface ReplicableCommand
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 Object
public int hashCode()
hashCode
in class Object
public String toString()
toString
in class BaseRpcCommand
public Object getKey()
public Set<Flag> getFlags()
getFlags
in interface FlagAffectedCommand
FlagAffectedCommand.setFlags(Set)
public void setFlags(Set<Flag> flags)
FlagAffectedCommand
setFlags
in interface FlagAffectedCommand
public void setFlags(Flag... flags)
FlagAffectedCommand
setFlags
in interface FlagAffectedCommand
public boolean hasFlag(Flag flag)
FlagAffectedCommand
hasFlag
in interface FlagAffectedCommand
flag
- to lookup in the command
public boolean isReturnValueExpected()
ReplicableCommand
ResponseGenerator
may choose to simply return null to save on marshalling costs.
isReturnValueExpected
in interface ReplicableCommand
public int getTopologyId()
getTopologyId
in interface TopologyAffectedCommand
public void setTopologyId(int topologyId)
setTopologyId
in interface TopologyAffectedCommand
public Object acceptVisitor(InvocationContext ctx, Visitor visitor) throws Throwable
VisitableCommand
acceptVisitor
in interface VisitableCommand
ctx
- invocation contextvisitor
- visitor to accept
Throwable
- in the event of problemspublic boolean shouldInvoke(InvocationContext ctx)
VisitableCommand
shouldInvoke
in interface VisitableCommand
public 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
|
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