Difference between revisions of "Functions"
From webCoRE Wiki - Web-enabled Community's own Rule Engine
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− | + | == Boolean == | |
− | + | ;bool() | |
− | :boolean() | + | ://todo |
− | :contains( | + | ;boolean(anything) |
− | :endsWith( | + | :converts a value to it's boolean value |
− | :eq( | + | ;contains(string, substring) |
− | + | :returns true if a string contains a substring | |
− | + | ;endsWith(string, substring) | |
− | + | :returns true if a string ends with a substring | |
− | :le( | + | ;eq(value1, value2) |
− | + | :returns true if two values are equal | |
− | + | ;ge(value1, value2) | |
− | :startsWith( | + | :returns true if value1 >= value2 |
+ | ;gt(value1, value2) | ||
+ | :returns true if value1 > value2 | ||
+ | ;isBetween(value, startValue, endValue) | ||
+ | :returns true if value >= startValue and value <= endValue | ||
+ | ;isEmpty(value) | ||
+ | :returns true if the value is empty | ||
+ | ;le(value1, value2) | ||
+ | :returns true if value1 <= value2 | ||
+ | ;lt(value1, value2) | ||
+ | :returns true if value1 < value2 | ||
+ | ;not(value) | ||
+ | :returns the negative boolean value | ||
+ | ;startsWith(string, substring) | ||
+ | :returns true if a string starts with a substring | ||
− | + | == Date == | |
− | + | ;date(value) | |
+ | :returns the value as a date type | ||
− | + | == datetime == | |
− | + | ;addDays(dateTime, days) | |
− | :addHours() | + | :returns the value as a time type |
− | :addMinutes() | + | ;addHours(dateTime, hours) |
− | :addSeconds() | + | :returns the value as a time type |
− | :addWeeks() | + | ;addMinutes(dateTime, minutes) |
+ | :returns the value as a time type | ||
+ | ;addSeconds(dateTime, seconds) | ||
+ | :returns the value as a time type | ||
+ | ;addWeeks(dateTime, weeks) | ||
+ | :returns the value as a time type | ||
− | + | == Decimal == | |
− | + | ;avg(values) | |
− | + | :calculates the average of a series of numeric values | |
− | :ceiling() | + | ;ceil() |
− | :celsius( | + | ://todo |
− | + | ;ceiling(decimal or string) | |
− | :dewPoint( | + | :converts a decimal value to it's closest higher integer value |
− | + | ;celsius(temperature) | |
− | + | :converts temperature from Fahrenheit to Celsius | |
− | :floor() | + | ;decimal(integer or string) |
− | :max( | + | :converts an integer value to it's decimal value |
− | + | ;dewPoint(temperature, relativeHumidity[, scale]) | |
− | + | :returns the calculated dew point temperature | |
− | + | ;fahrenheit([Sensor;temperature]) | |
− | :power( | + | :converts temperature from Celsius to Fahrenheit |
− | + | ;float() | |
− | + | ://todo | |
− | + | ;floor(decimal or string) | |
− | + | :converts a decimal value to it's closest lower integer value | |
− | :sum( | + | ;max(values) |
− | + | :calculates the maximum of a series of numeric values | |
+ | ;median(values) | ||
+ | :returns the value in the middle of a sorted array | ||
+ | ;min(values) | ||
+ | :calculates the minimum of a series of numeric values | ||
+ | ;number() | ||
+ | ://todo | ||
+ | ;power(integer or decimal or string, power) | ||
+ | :converts a decimal value to it's power decimal value | ||
+ | ;round(decimal or string, [precision]) | ||
+ | :converts a decimal value to it's rounded value | ||
+ | ;sqr(integer or decimal or string) | ||
+ | :converts a decimal value to it's square decimal value | ||
+ | ;sqrt(integer or decimal or string) | ||
+ | :converts a decimal value to it's square root decimal value | ||
+ | ;stdev(values) | ||
+ | :calculates the standard deviation of a series of numeric values | ||
+ | ;sum(values) | ||
+ | :calculates the sum of a series of numeric values | ||
+ | ;variance(values) | ||
+ | :calculates the standard deviation of a series of numeric values | ||
− | + | == Dynamic == | |
− | + | ;if(condition, valueIfTrue, valueIfFalse) | |
− | :least() | + | :evaluates a boolean and returns value1 if true, or value2 otherwise |
− | :most() | + | ;least(values) |
− | :previousValue() | + | :returns the value that is least found a series of numeric values |
+ | ;most(values) | ||
+ | :returns the value that is most found a series of numeric values | ||
+ | ;previousValue([device;attribute]) | ||
+ | :returns the previous value of the attribute | ||
− | + | == Integers == | |
− | + | ;age([device;attribute]) | |
− | + | :returns the number of milliseconds an attribute had the current value | |
− | + | ;count(values) | |
− | :integer() | + | :calculates the number of true/non-zero/non-empty items in a series of numeric values |
− | :newer() | + | ;int() |
− | :older() | + | ://todo |
− | :previousAge() | + | ;integer(decimal or string) |
+ | :converts a decimal value to it's integer value | ||
+ | ;newer([device;attribute],[...], [device;attribute], threshold) | ||
+ | :returns the number of devices whose attribute had the current value for less than the specified number of milliseconds | ||
+ | ;older([device;attribute],[...], [device;attribute], threshold) | ||
+ | :returns the number of devices whose attribute had the current value for more than the specified number of milliseconds | ||
+ | ;previousAge([device;attribute]) | ||
+ | :returns the number of milliseconds an attribute had the previous value | ||
− | + | == String == | |
− | + | ;concat(string1, string2) | |
− | + | :returns two strings appended together | |
− | :left( | + | ;format() |
− | :lower | + | ://todo |
− | + | ;left(string, count) | |
− | + | :returns a substring of a value | |
− | :right( | + | ;lower(string) |
− | + | :returns a lower case value of a string | |
− | :string() | + | ;mid(string, start, count) |
− | :substring( | + | ::returns a substring of a value |
− | + | ;replace(string, search, replace[, [..], search, replace]) | |
− | :title( | + | :replaces a search text inside of a value |
− | :upper( | + | ;right(string, count) |
+ | :returns a substring of a value | ||
+ | ;sprintf(format, arguments) | ||
+ | :formats a series of values into a string | ||
+ | ;string(anything) | ||
+ | :converts a value to it's string value | ||
+ | ;substring(string, start, count) | ||
+ | :returns a substring of a value | ||
+ | ;text() | ||
+ | ://todo | ||
+ | ;title(string) | ||
+ | :returns a title case value of a string | ||
+ | ;upper(string) | ||
+ | :returns an upper case value of a string | ||
− | + | == Time == | |
− | time() | + | ;time(value) |
+ | :returns the value as a time type |
Revision as of 22:46, 15 April 2017
Boolean
- bool()
- //todo
- boolean(anything)
- converts a value to it's boolean value
- contains(string, substring)
- returns true if a string contains a substring
- endsWith(string, substring)
- returns true if a string ends with a substring
- eq(value1, value2)
- returns true if two values are equal
- ge(value1, value2)
- returns true if value1 >= value2
- gt(value1, value2)
- returns true if value1 > value2
- isBetween(value, startValue, endValue)
- returns true if value >= startValue and value <= endValue
- isEmpty(value)
- returns true if the value is empty
- le(value1, value2)
- returns true if value1 <= value2
- lt(value1, value2)
- returns true if value1 < value2
- not(value)
- returns the negative boolean value
- startsWith(string, substring)
- returns true if a string starts with a substring
Date
- date(value)
- returns the value as a date type
datetime
- addDays(dateTime, days)
- returns the value as a time type
- addHours(dateTime, hours)
- returns the value as a time type
- addMinutes(dateTime, minutes)
- returns the value as a time type
- addSeconds(dateTime, seconds)
- returns the value as a time type
- addWeeks(dateTime, weeks)
- returns the value as a time type
Decimal
- avg(values)
- calculates the average of a series of numeric values
- ceil()
- //todo
- ceiling(decimal or string)
- converts a decimal value to it's closest higher integer value
- celsius(temperature)
- converts temperature from Fahrenheit to Celsius
- decimal(integer or string)
- converts an integer value to it's decimal value
- dewPoint(temperature, relativeHumidity[, scale])
- returns the calculated dew point temperature
- fahrenheit([Sensor;temperature])
- converts temperature from Celsius to Fahrenheit
- float()
- //todo
- floor(decimal or string)
- converts a decimal value to it's closest lower integer value
- max(values)
- calculates the maximum of a series of numeric values
- median(values)
- returns the value in the middle of a sorted array
- min(values)
- calculates the minimum of a series of numeric values
- number()
- //todo
- power(integer or decimal or string, power)
- converts a decimal value to it's power decimal value
- round(decimal or string, [precision])
- converts a decimal value to it's rounded value
- sqr(integer or decimal or string)
- converts a decimal value to it's square decimal value
- sqrt(integer or decimal or string)
- converts a decimal value to it's square root decimal value
- stdev(values)
- calculates the standard deviation of a series of numeric values
- sum(values)
- calculates the sum of a series of numeric values
- variance(values)
- calculates the standard deviation of a series of numeric values
Dynamic
- if(condition, valueIfTrue, valueIfFalse)
- evaluates a boolean and returns value1 if true, or value2 otherwise
- least(values)
- returns the value that is least found a series of numeric values
- most(values)
- returns the value that is most found a series of numeric values
- previousValue([device;attribute])
- returns the previous value of the attribute
Integers
- age([device;attribute])
- returns the number of milliseconds an attribute had the current value
- count(values)
- calculates the number of true/non-zero/non-empty items in a series of numeric values
- int()
- //todo
- integer(decimal or string)
- converts a decimal value to it's integer value
- newer([device;attribute],[...], [device;attribute], threshold)
- returns the number of devices whose attribute had the current value for less than the specified number of milliseconds
- older([device;attribute],[...], [device;attribute], threshold)
- returns the number of devices whose attribute had the current value for more than the specified number of milliseconds
- previousAge([device;attribute])
- returns the number of milliseconds an attribute had the previous value
String
- concat(string1, string2)
- returns two strings appended together
- format()
- //todo
- left(string, count)
- returns a substring of a value
- lower(string)
- returns a lower case value of a string
- mid(string, start, count)
- returns a substring of a value
- replace(string, search, replace[, [..], search, replace])
- replaces a search text inside of a value
- right(string, count)
- returns a substring of a value
- sprintf(format, arguments)
- formats a series of values into a string
- string(anything)
- converts a value to it's string value
- substring(string, start, count)
- returns a substring of a value
- text()
- //todo
- title(string)
- returns a title case value of a string
- upper(string)
- returns an upper case value of a string
Time
- time(value)
- returns the value as a time type