com.aragost.javahg.commands
Class UpdateCommand

java.lang.Object
  com.aragost.javahg.internals.AbstractCommand
      com.aragost.javahg.commands.flags.UpdateCommandFlags
          com.aragost.javahg.commands.UpdateCommand

public class UpdateCommand
extends UpdateCommandFlags

Command class for executing hg update. Set flags from UpdateCommandFlags and call the execute() method.

Nested Class Summary

Nested classes/interfaces inherited from class com.aragost.javahg.internals.AbstractCommand

AbstractCommand.State

Constructor Summary

UpdateCommand(Repository repository)

Method Summary

boolean	crossedBranch()
UpdateResult	execute() Run hg update on a clean working copy.
UpdateResult	execute(ManifestMergeOracle oracle) Run hg update with a merge oracle.
boolean	isSuccessful() Check if the command ended with a zero return code.
UpdateCommand	rev(Changeset cset) Set the --rev flag.

Methods inherited from class com.aragost.javahg.commands.flags.UpdateCommandFlags

check, clean, date, getCommandName, on, rev

Methods inherited from class com.aragost.javahg.internals.AbstractCommand

cancel, clear, cmdAppend, cmdAppend, cmdAppend, cmdAppend, cmdAppend, doneHook, getErrorString, getRepository, getReturnCode, launchIterator, launchStream, launchString, needsInputLine, reopenOutputChannelStream, sendLine, toString, withDebugAndChangesetStyle, withDebugFlag

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

UpdateCommand

public UpdateCommand(Repository repository)

Parameters:

repository - the repository associated with this command.

Method Detail

execute

public UpdateResult execute()
                     throws IOException

Run hg update on a clean working copy. This runs with no merge oracle and so the caller must ensure that there are no merge conflicts.

Returns:

the update result.

Throws:

IOException

execute

public UpdateResult execute(ManifestMergeOracle oracle)
                     throws IOException

Run hg update with a merge oracle.

Parameters:

oracle - the merge oracle to use in case of merge conflicts.

Returns:

the update result.

Throws:

IOException

isSuccessful

public boolean isSuccessful()

Description copied from class: AbstractCommand

Check if the command ended with a zero return code. Subclasses can override this to accept other return codes as successful.

Overrides:

isSuccessful in class AbstractCommand

Returns:

true if the command ended successfully.

crossedBranch

public boolean crossedBranch()

Returns:

True if the command was not successful because it would have crossed branches. Applicable to updates where revision is not specified.

rev

public UpdateCommand rev(Changeset cset)

Set the --rev flag.

Parameters:

cset - the changeset to update to

Returns:

this command.