org.jboss.dna.graph.commands
Interface GraphCommand

All Known Subinterfaces:

CompositeCommand, CopyBranchCommand, CopyNodeCommand, CreateNodeCommand, DeleteBranchCommand, GetChildrenCommand, GetNodeCommand, GetPropertiesCommand, MoveBranchCommand, RecordBranchCommand, SetPropertiesCommand

All Known Implementing Classes:

ActsOnProjectedPathCommand, BasicCompositeCommand, BasicCopyBranchCommand, BasicCopyNodeCommand, BasicCreateNodeCommand, BasicDeleteBranchCommand, BasicGetChildrenCommand, BasicGetNodeCommand, BasicGetPropertiesCommand, BasicGraphCommand, BasicMoveBranchCommand, BasicRecordBranchCommand, BasicSetPropertiesCommand, FederatedNode, ProjectedCopyBranchCommand, ProjectedCopyNodeCommand, ProjectedCreateNodeCommand, ProjectedDeleteBranchCommand, ProjectedGetChildrenCommand, ProjectedGetNodeCommand, ProjectedGetPropertiesCommand, ProjectedMoveBranchCommand, ProjectedRecordBranchCommand, ProjectedSetPropertiesCommand

public interface GraphCommand

The base interface for all repository commands

Author:

Randall Hauch

Method Summary

Throwable	getError() Get the error for this command.
boolean	hasError() Return true if this command has an error.
boolean	hasNoError() Convenience method that is equivalent to !
boolean	isCancelled() Return whether this command has been cancelled.
void	setError(Throwable error) Set the error for this command.

Method Detail

isCancelled

boolean isCancelled()

Return whether this command has been cancelled.

Returns:

true if this command has been cancelled, or false otherwise.

setError

void setError(Throwable error)

Set the error for this command.

Parameters:

error - the exception

See Also:

getError(), hasError(), hasNoError()

getError

Throwable getError()

Get the error for this command.

Returns:

the error, or null if there is no error

See Also:

setError(Throwable), hasError(), hasNoError()

hasError

boolean hasError()

Return true if this command has an error.

Returns:

true if the command has an error, or false otherwise

See Also:

getError(), setError(Throwable), hasNoError()

hasNoError

boolean hasNoError()

Convenience method that is equivalent to !hasError().

Returns:

true if the command has no error, or false otherwise

See Also:

getError(), setError(Throwable), hasError()