Prophet::FilesystemReplica(3pm) User Contributed Perl Documentation Prophet::FilesystemReplica(3pm)
replica_exists
Returns true if the replica already exists / has been initialized. Returns false otherwise.
_file_exists PATH
Returns true if PATH is a file or directory in this replica's directory structure
traverse_changesets { after => SEQUENCE_NO, callback => sub { } }
Walks through all changesets from $after to $until, calling $callback on each.
If no $until is specified, the latest changeset is assumed.
read_userdata_file
Returns the contents of the given file in this replica's userdata directory. Returns "undef" if the file does not exist.
write_userdata
Writes the given string to the given file in this replica's userdata directory.
perl v5.10.1 2009-09-03 Prophet::FilesystemReplica(3pm)
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Prophet::ChangeSet(3pm) User Contributed Perl Documentation Prophet::ChangeSet(3pm)NAME
Prophet::ChangeSet
DESCRIPTION
This class represents a single, atomic Prophet database update. It tracks some metadata about the changeset itself and contains a list of
Prophet::Change entries which describe the actual records created, updated and deleted.
METHODS
new
Instantiate a new, empty Prophet::ChangeSet object.
creator
A string representing who created this changeset.
created
A string representing the ISO 8601 date and time when this changeset was created (UTC).
sequence_no
The changeset's sequence number (in subversion terms, revision #) on the replica sending us the changeset.
source_uuid
The uuid of the replica sending us the change.
original_source_uuid
The uuid of the replica where the change was authored.
original_sequence_no
The changeset's sequence number (in subversion terms, revision #) on the replica where the change was originally created.
is_nullification
A boolean value specifying whether this is a nullification changeset or not.
is_resolution
A boolean value specifying whether this is a conflict resolution changeset or not.
changes
Returns an array of all the changes in the current changeset.
has_changes
Returns true if this changeset has any changes.
add_change { change => Prophet::Change }
Adds a new change to this changeset.
as_hash
Returns a reference to a representation of this changeset as a hash, containing all the properties in the package variable
@SERIALIZE_PROPS, as well as a "changes" key containing hash representations of each change in the changeset, keyed on UUID.
new_from_hashref HASHREF
Takes a reference to a hash representation of a changeset (such as is returned by "as_hash" or serialized json) and returns a new
Prophet::ChangeSet representation of it.
Should be invoked as a class method, not an object method.
For example: "Prophet::ChangeSet->new_from_hashref($ref_to_changeset_hash)"
as_string ARGS
Returns a single string representing the changes in this changeset.
If $args{header_callback} is defined, the string returned from passing $self to the callback is prepended to the changeset string before it
is returned (instead of "description_as_string").
If $args{skip_empty} is defined, an empty string is returned if the changeset contains no changes.
The argument "change_filter" can be used to filter certain changes from the string representation; the function is passed a change and
should return false if that change should be skipped.
The "change_header" argument, if present, is passed to "$change->to_string" when individual changes are converted to strings.
description_as_string
Returns a string representing a description of this changeset.
perl v5.10.1 2009-12-22 Prophet::ChangeSet(3pm)