paul.crawford

Collection Operations

Blog Post created by paul.crawford Champion on May 26, 2016

After creating this blog post Collection Operation - Get , i thought it would be good to look at the other Collection Operations in some detail too.

As stated in the article above, the Collection Operation action allows you to interact with a Collection Variable. This can be useful in many situations.

 

Add

This method allows you to add to a value at a specific index within a collection

Original Collection - Audi; BMW; Volkswagen

Value to add - Mercedes

Index - 2

Resulting Collection - Audi; BMW; Mercedes, Volkswagen

 

Remove

This method allows you to remove a value from a specific index within a collection

Original Collection - Audi; BMW; Volkswagen

Value to Remove - BMW

Index - 1

Resulting Collection - Audi; Volkswagen

 

Count

This method allows you to count the number of items in a collection

Original Collection - Audi; BMW; Volkswagen

Result - 3

 

Get

This method allows you to get a value from a specific index within a collection

Original Collection - Audi; BMW; Volkswagen

Index - 1

Result - BMW

 

Exists

This method returns the index of a value within a collection if the value is in the collection, returns null if the value doesn't exist

Original Collection - Audi; BMW; Volkswagen

Value - Audi

Result - 0

Original Collection - Audi; BMW; Volkswagen

Value - Mercedes

Result -

 

Sort

This method sorts the items in a collection

Original Collection - Audi; BMW; Volkswagen

Order - Ascending

Result - Audi; BMW; Volkswagen

Order - Descending

Result - Volkswagen; BMW; Audi

 

Pop

This method returns the last value in a collection

Original Collection - Audi; BMW; Volkswagen

Result - Volkswagen

Resulting Collection - Audi; BMW

 

Join

This method joins all the values in a collection with a specified delimiter and stores in a variable (not a collection variable)

Original Collection - Audi; BMW; Volkswagen

Delimiter - ,

Result - Audi, BMW, Volkswagen

 

Clear

This method clears all items in a collection

Original Collection - Audi; BMW; Volkswagen

Result -

 

Remove Duplicates

This method allows you to remove duplicate items in a collection

Original Collection - Audi; BMW; BMW; Volkswagen

Resulting Collection - Audi; BMW; Volkswagen

 

Remove by Value

This method allows you to remove items from a collection if the value exists. If the value doesn't exist the original collection is returned

Original Collection - Audi; BMW; Volkswagen

Value - BMW

Resulting Collection - Audi; Volkswagen

Original Collection - Audi; BMW; Volkswagen

Value - Mercedes

Resulting Collection - Audi; BMW; Volkswagen

 

Have fun with collections!!!

Outcomes