Wombat::MamaRegexChannelFilter

Public Functions

Public Functions Documentation

function MamaRegexChannelFilter

inline MamaRegexChannelFilter()

Return: A mama_status value to reflect if this operation was successful.

Creates a MAMA regex filter to help filter strings into channels (ints). The channel itself has no special meaning - it’s simply a number to produce when each regular expression is matched.

The main use case is for load balancing dispatcher queues according to topic names.

function setDefaultChannel

inline void setDefaultChannel(
    int channelId
)

Parameters:

• channel The channel to use when no matches are found

Return: A mama_status value to reflect if this operation was successful.

Sets a default channel to use if no filters produce hits during matching.

function addRegex

inline void addRegex(
    const char * regexStr,
    int channelId
)

Parameters:

• regex The regex string to add
• channel The channel to route to for this regex

Return: A mama_status value to reflect if this operation was successful.

Adds a regex string and associated integer. During calls to getChannel, the target string will be matched against this regular expression to see which channel matches it.

function getChannel

inline int getChannel(
    const char * target
)

Parameters:

• target The string to try matching according to

Return: A mama_status value to reflect if this operation was successful.

Looks up all channel filters to see which channel this target should be routed to.

Updated on 2023-03-31 at 15:29:25 +0100