org.jboss.cache.commands.tx
Class PrepareCommand
java.lang.Object
org.jboss.cache.commands.tx.AbstractTransactionCommand
org.jboss.cache.commands.tx.PrepareCommand
- All Implemented Interfaces:
- ReplicableCommand, VisitableCommand
- Direct Known Subclasses:
- OptimisticPrepareCommand
public class PrepareCommand
- extends AbstractTransactionCommand
The prepare phase of a 2-phase commit, or the single prepare/commit phase of a single-phase commit.
- Since:
- 2.2
- Author:
- Mircea.Markus@jboss.com
METHOD_ID
public static final int METHOD_ID
- See Also:
- Constant Field Values
modifications
protected List<WriteCommand> modifications
localAddress
protected org.jgroups.Address localAddress
onePhaseCommit
protected boolean onePhaseCommit
PrepareCommand
public PrepareCommand(GlobalTransaction gtx,
List<WriteCommand> modifications,
org.jgroups.Address localAddress,
boolean onePhaseCommit)
PrepareCommand
public PrepareCommand()
removeModifications
public void removeModifications(Collection<WriteCommand> modificationsToRemove)
acceptVisitor
public Object acceptVisitor(InvocationContext ctx,
Visitor visitor)
throws Throwable
- Description copied from interface:
VisitableCommand
- Accept a visitor, and return the result of accepting this visitor.
- Parameters:
ctx
- invocation contextvisitor
- visitor to accept
- Returns:
- arbitrary return value
- Throws:
Throwable
- in the event of problems
getModifications
public List<WriteCommand> getModifications()
getLocalAddress
public org.jgroups.Address getLocalAddress()
isOnePhaseCommit
public boolean isOnePhaseCommit()
existModifications
public boolean existModifications()
getModificationsCount
public int getModificationsCount()
getCommandId
public int getCommandId()
- Description copied from interface:
ReplicableCommand
- Used by marshallers to convert this command into an id for streaming.
- Returns:
- the method id of this command. This is compatible with pre-2.2.0 MethodCall ids.
getParameters
public Object[] getParameters()
- Description copied from interface:
ReplicableCommand
- Used by marshallers to stream this command across a network
- Specified by:
getParameters
in interface ReplicableCommand
- Overrides:
getParameters
in class AbstractTransactionCommand
- Returns:
- an object array of arguments, compatible with pre-2.2.0 MethodCall args.
setParameters
public void setParameters(int commandId,
Object[] args)
- Description copied from interface:
ReplicableCommand
- Used by the
CommandsFactory
to create a command from raw data read off a stream.
- Specified by:
setParameters
in interface ReplicableCommand
- Overrides:
setParameters
in class AbstractTransactionCommand
- Parameters:
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 args
equals
public boolean equals(Object o)
- Overrides:
equals
in class AbstractTransactionCommand
hashCode
public int hashCode()
- Overrides:
hashCode
in class AbstractTransactionCommand
copy
public PrepareCommand copy()
toString
public String toString()
- Overrides:
toString
in class AbstractTransactionCommand
containsModificationType
public boolean containsModificationType(Class<? extends ReplicableCommand> replicableCommandClass)
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