在groovy出现下述程序,但在gasnode groovy里显示错误,请帮助解决 ; M' [0 s+ {/ {, l9 n& R' S3 q4 W* B& R% Y
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@Parameter (displayName = "Measured Pressure", usageName = "measured pressure")1 {& I% a J4 ^8 X0 W
public double getMeasured pressure() {4 [8 ^. C0 u4 A, @# p- {
return measured pressure 0 ^ T" L" N8 L$ [* M: p/ |# }8 X }7 G: [0 \ C* `- u
public void setMeasured pressure(double newValue) { 1 K" i0 U0 a# _8 k( R measured pressure = newValue7 | u! t2 j+ K% l* V8 U0 T
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public double measured pressure = 01 t8 |( ]) S# Z1 P, n, j2 x( g/ `
/ q( X2 ~0 D" W- B" j /**' c; g1 K1 n" T6 E. ?
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* This value is used to automatically generate agent identifiers." i3 J9 B0 @4 ]; }1 v
* @field serialVersionUID+ X( m" X( x. ^% H0 M
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private static final long serialVersionUID = 1L ! u' b" w- ~( B V& O; p . D8 V/ q4 X. w Z /**) Y, e F# F* I J e1 d
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* This value is used to automatically generate agent identifiers. ' F3 J5 f8 q5 _& ?; u * @field agentIDCounter$ N) F' Q- l9 c# r, s) f
* . y" T, y+ p1 y0 A */ P& w& \7 [1 N protected static long agentIDCounter = 1! g- Y5 Z# q( r
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* This value is the agent's identifier.! G, f9 h ^$ Q. _3 M! K6 n0 U
* @field agentID ! m7 h7 A1 P, s& V. i2 t */ T' @& O' z3 G# d0 d
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protected String agentID = "GasNode " + (agentIDCounter++)$ x3 {. f& |7 A
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* This is the step behavior.- O2 @6 i* w5 y" o4 W! d
* @method step7 l. B% ?+ }/ ?# l) R7 @7 f
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*/ - V. [/ ]; n- Q8 \. I; I; ? @Watch(: T5 q- J+ g+ W% H
watcheeClassName = 'infrastructuredemo.GasNode', 5 e& `# ]$ ^0 l( Y+ | watcheeFieldNames = 'pressure',- ]7 |& {1 x1 g
query = 'linked_from', & I! x' G! f2 [0 `) m whenToTrigger = WatcherTriggerSchedule.LATER, " |, o1 f( ~4 M0 j6 b scheduleTriggerDelta = 10d$ v5 K- _. C7 v+ A6 C
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public def step(infrastructuredemo.GasNode watchedAgent) {1 k0 v3 w1 R7 \, v1 S
& v- f9 V7 A2 G# W- o5 ]+ _ // Define the return value variable.4 t- b& N2 {# R& A3 j! T
def returnValue 7 ]! a9 f/ R2 | {8 d: x2 M4 w) ~; E) _ , g9 r* o2 ]5 }8 a' f8 t // Note the simulation time.( Y% C' z8 t/ L& B) t2 u
def time = GetTickCountInTimeUnits() ' R/ \; ?( L/ H: x$ y" H6 O& _* a/ t" A7 c
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// This is an agent decision.9 T; o7 T a @4 b( f' H& c& N
if (watchedNode.pressure<200) {2 P0 |/ ^4 f& ]9 x- j
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// This is a task. - E2 c1 R" Q2 g; G0 v1 p setPressure(watchedAgent.pressure)5 X. v: I/ e2 o9 w
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} else { 6 ~- P p% m$ |7 h% A _' Q % N$ F3 x& u% c) @1 B! E4 O, D) F # C5 F; ^/ S0 b3 p b4 C } ( A* s5 S5 `. A9 [0 ~* [ // Return the results. , m; \2 ^! n# I9 q return returnValue @: |$ n) z% i; p8 o% ^' M( n% n9 D$ u3 R* ~
} " L! w, s' m6 v8 `: j* c( Q% H2 H' Y/ Q* _4 \
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* This is the step behavior. 1 A; i& c5 m9 ?$ X * @method step8 v8 W4 r- ^( `
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@ScheduledMethod( ' G. V+ G. i) l! p9 D1 k* n" _ start = 1d,8 N( D. n5 }5 g! z5 U
interval = 1d, # _' O2 @3 Y" F1 |* P shuffle = false) ~$ ~3 X `8 I' K7 O
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public void step() { B/ G/ H, h: I* G
- n2 I8 U, O9 C6 l1 |, a/ m // Note the simulation time. : ^9 k @/ O7 R% l; G! a def time = GetTickCountInTimeUnits() $ S0 G& X+ h! @/ Q# [& H d9 u \- \; Z$ Y8 W
// This is a task. : J7 t2 m) i# C; k measurePressure=pressure+ RandomDraw(-20.0, 20.0) 6 e% d% a1 D" I2 ?. k) H2 ? // End the method. * z( o! U' h3 B$ C return / c( G8 u; T0 r$ A. U2 r# ^5 j8 H7 F z5 l
}