state-flow.core
add-desc-and-metacljmacro
(add-desc-and-meta [fname & rest] desc meta)as-step-fnclj
(as-step-fn flow)Transform a flow step into a state transition function
Transform a flow step into a state transition function
description->stringclj
(description->string description)get-descriptionclj
(get-description)pop-metaclj
probe-statecljmacro
(probe-state desc state right-value metadata)Given a fact description, a state and a right-value, returns a State that runs left up to times-to-retry times every sleep-time ms until left-value equals right value.
Given a fact description, a state and a right-value, returns a State that runs left up to times-to-retry times every sleep-time ms until left-value equals right value.
push-metaclj
(push-meta description)retryclj
(retry times pred? lazy-seq)Tries at most n times, returns a vector with true and first element that succeeded or false and result of the first try
Tries at most n times, returns a vector with true and first element that succeeded or false and result of the first try
runclj
(run flow initial-state)run!clj
(run! flow initial-state)Like run, but prints a log and throws error when flow fails with an exception
Like run, but prints a log and throws error when flow fails with an exception
run*clj
(run* {:keys [init cleanup runner]
:or {init (constantly {}) cleanup identity runner run!}}
flow)Run a flow with specified parameters
Receives optional parameter maps
init, a function with no arguments that returns the initial state.
cleanup, function receiving the final state to perform cleanup if necessary
runner, function that will receive a flow and an initial state and execute the flow
Run a flow with specified parameters Receives optional parameter maps `init`, a function with no arguments that returns the initial state. `cleanup`, function receiving the final state to perform cleanup if necessary `runner`, function that will receive a flow and an initial state and execute the flow
sleep-timeclj
times-to-tryclj
update-descriptionclj
(update-description old new)verifycljmacro
(verify desc left-value right-value)If left-value is a state, do fact probing. Otherwise, regular fact checking. Push and pop descriptions (same behaviour of flow)
If left-value is a state, do fact probing. Otherwise, regular fact checking. Push and pop descriptions (same behaviour of flow)
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