What is meaning of <| |> ~> signal

[NewpTone]

Hi,I'm studying the puppetlabs-openstack module for deploying openstack, there is sytax confusing me in the manfests file:

 Swift::Ringbuilder::Create['object'] -> Ring_object_device <| |> ~> Swift::Ringbuilder::Rebalance['object']

I just know -> means notify ,but what does <| |> ~>mean? I didn't find the related document on the puppet site.

I really appreciate if  anyone can help me.

[Tim Sharpe]

Hi,

-> and <- create ordering relationships (like the require and before metaparameters)

~> and <~ create notify relationships (like the notify and subscribe metaparameters)

You can read more about them at http://docs.puppetlabs.com/puppet/2.7/reference/lang_relationships.html#chaining-arrows

Cheers,

Tim

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[James Turnbull]

Tim Sharpe wrote:
> Hi,
>
> -> and <- create ordering relationships (like the require and before
> metaparameters)
> ~> and <~ create notify relationships (like the notify and subscribe
> metaparameters)
>

And the <| |> symbols are resource collectors:

http://docs.puppetlabs.com/puppet/2.7/reference/lang_collectors.html

Regards

James Turnbull

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James Turnbull
Puppet Labs
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To schedule a meeting with me: http://tungle.me/jamtur01

[Yu Xingchao]

Thanks a lot ! Now I know this symbols's meaning.

2012/8/27 James Turnbull <ja...@puppetlabs.com>

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[wen1023 wu]

i had see the puppet cookbook  ，the author suggestion

used require instead of ->, and so on

2012/8/27 Yu Xingchao <yux...@gmail.com>