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Viewing changes to state/api/common/life.go

  • Committer: Frank Mueller
  • Date: 2014-01-23 14:14:49 UTC
  • mfrom: (2152.1.95 juju-core)
  • Revision ID: frank.mueller@canonical.com-20140123141449-b30l57y7gs3wjkpw
debugger: merged trunk and fixed permission and interface problems

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state/api/common/life.go
 
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// Copyright 2012, 2013 Canonical Ltd.
 
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// Licensed under the AGPLv3, see LICENCE file for details.
 
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package common
 
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import (
 
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        "fmt"
 
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        "launchpad.net/juju-core/state/api/base"
 
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        "launchpad.net/juju-core/state/api/params"
 
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)
 
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// Life requests the life cycle of the given entity from the given
 
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// server-side API facade via the given caller.
 
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func Life(caller base.Caller, facadeName, tag string) (params.Life, error) {
 
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        var result params.LifeResults
 
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        args := params.Entities{
 
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                Entities: []params.Entity{{Tag: tag}},
 
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        }
 
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        err := caller.Call(facadeName, "", "Life", args, &result)
 
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        if err != nil {
 
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                return "", err
 
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        }
 
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        if len(result.Results) != 1 {
 
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                return "", fmt.Errorf("expected one result, got %d", len(result.Results))
 
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        }
 
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        if err := result.Results[0].Error; err != nil {
 
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                return "", err
 
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        }
 
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        return result.Results[0].Life, nil
 
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}