Class: Bumbleworks::Expression
- Inherits:
-
Object
- Object
- Bumbleworks::Expression
- Defined in:
- lib/bumbleworks/expression.rb
Instance Attribute Summary collapse
-
#expid ⇒ Object
readonly
Returns the value of attribute expid.
-
#fei ⇒ Object
readonly
Returns the value of attribute fei.
Class Method Summary collapse
Instance Method Summary collapse
- #==(other) ⇒ Object
-
#cancel! ⇒ Object
Cancel this expression.
-
#error ⇒ Object
Returns a Bumbleworks::Process::ErrorRecord instance for the expression’s error, if there is one.
-
#initialize(flow_expression) ⇒ Expression
constructor
A new instance of Expression.
-
#kill! ⇒ Object
Kill this expression.
-
#process ⇒ Object
Returns a Bumbleworks::Process instance for the expression’s wfid; effectively, the process instance this expression is a part of.
-
#tree ⇒ Object
Returns the process tree at this expression.
-
#workitem ⇒ Object
Returns the workitem as it was applied to this expression.
Constructor Details
#initialize(flow_expression) ⇒ Expression
Returns a new instance of Expression.
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# File 'lib/bumbleworks/expression.rb', line 12 def initialize(flow_expression) @flow_expression = flow_expression @fei = @flow_expression.fei @expid = @fei.expid end |
Instance Attribute Details
#expid ⇒ Object (readonly)
Returns the value of attribute expid.
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# File 'lib/bumbleworks/expression.rb', line 3 def expid @expid end |
#fei ⇒ Object (readonly)
Returns the value of attribute fei.
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# File 'lib/bumbleworks/expression.rb', line 3 def fei @fei end |
Class Method Details
.from_fei(fei) ⇒ Object
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# File 'lib/bumbleworks/expression.rb', line 6 def from_fei(fei) fexp = ::Ruote::Exp::FlowExpression.fetch(Bumbleworks.dashboard.context, fei) new(fexp) end |
Instance Method Details
#==(other) ⇒ Object
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# File 'lib/bumbleworks/expression.rb', line 18 def ==(other) @fei == other.fei end |
#cancel! ⇒ Object
Cancel this expression. The process will then move on to the next expression.
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# File 'lib/bumbleworks/expression.rb', line 48 def cancel! Bumbleworks.dashboard.cancel_expression(@fei) end |
#error ⇒ Object
Returns a Bumbleworks::Process::ErrorRecord instance for the expression’s error, if there is one. If no error was raised during the execution of this expression, returns nil.
Note that what is returned is not the exception itself that was raised during execution, but rather a record of that error. If you want a re-created instance of the actual exception, you can call #reify on the ErrorRecord instance returned.
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# File 'lib/bumbleworks/expression.rb', line 42 def error @error ||= ruote_error end |
#kill! ⇒ Object
Kill this expression. The process will then move on to the next expression.
WARNING: Killing an expression will not trigger any ‘on_cancel’ callbacks. It’s preferable to #cancel! the expression if you can.
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# File 'lib/bumbleworks/expression.rb', line 58 def kill! Bumbleworks.dashboard.kill_expression(@fei) end |
#process ⇒ Object
Returns a Bumbleworks::Process instance for the expression’s wfid; effectively, the process instance this expression is a part of.
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# File 'lib/bumbleworks/expression.rb', line 25 def process @process ||= Bumbleworks::Process.new(@fei.wfid) end |
#tree ⇒ Object
Returns the process tree at this expression.
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# File 'lib/bumbleworks/expression.rb', line 30 def tree @flow_expression.tree end |