Jesse Vincent > Prophet-0.69_01 > Prophet::ChangeSet

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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, $args{'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.

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