pstlab /
PLATINUm
| Total Complexity | 23 |
| Total Lines | 223 |
| Duplicated Lines | 82.06 % |
| Changes | 0 | ||
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | package it.cnr.istc.pst.platinum.ai.executive.monitor; |
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| 23 | public class ConditionCheckingMonitor extends Monitor<Executive> |
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| 24 | { |
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| 25 | /** |
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| 26 | * |
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| 27 | * @param exec |
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| 28 | */ |
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| 29 | protected ConditionCheckingMonitor() { |
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| 30 | super(); |
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| 31 | } |
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| 32 | |||
| 33 | /** |
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| 34 | * |
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| 35 | */ |
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| 36 | @Override |
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| 37 | public void handleTick(long tick) |
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| 38 | throws ExecutionException, PlatformException |
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| 39 | { |
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| 40 | // convert tick to tau |
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| 41 | long tau = this.executive.convertTickToTau(tick); |
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| 42 | // check received feedbacks |
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| 43 | while (this.hasObservations()) |
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| 44 | { |
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| 45 | // get next |
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| 46 | ExecutionFeedback feedback = this.next(); |
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| 47 | // get node |
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| 48 | ExecutionNode node = feedback.getNode(); |
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| 49 | // check execution result |
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| 50 | View Code Duplication | switch (feedback.getType()) { |
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Duplication
introduced
by
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| 51 | |||
| 52 | case PARTIALLY_CONTROLLABLE_TOKEN_COMPLETE : |
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| 53 | case UNCONTROLLABLE_TOKEN_COMPLETE : { |
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| 54 | |||
| 55 | // compute node duration of the token in execution |
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| 56 | long duration = Math.max(1, tau - node.getStart()[0]); |
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| 57 | try { |
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| 58 | |||
| 59 | // schedule token duration |
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| 60 | this.executive.scheduleTokenDuration(node, duration); |
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| 61 | // update node status |
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| 62 | this.executive.updateNode(node, ExecutionNodeStatus.EXECUTED); |
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| 63 | info("{Monitor} {tick: " + tick + "} {tau: " + tau + "} -> Observed token execution with duration " + duration + " \n" |
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| 64 | + "\t- node: " + node.getGroundSignature() + " (" + node + ")\n"); |
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| 65 | } |
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| 66 | catch (TemporalConstraintPropagationException ex) { |
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| 67 | |||
| 68 | // update node state |
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| 69 | this.executive.updateNode(node, ExecutionNodeStatus.FAILURE); |
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| 70 | // create failure cause |
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| 71 | ExecutionFailureCause cause = new NodeDurationOverflow(tick, node, duration); |
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| 72 | // throw execution exception |
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| 73 | throw new NodeObservationException( |
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| 74 | "The observed duration of the token does not comply with the expected one:\n" |
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| 75 | + "\t- duration: " + duration + "\n" |
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| 76 | + "\t- node: " + node + "\n", |
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| 77 | cause); |
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| 78 | } |
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| 79 | } |
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| 80 | break; |
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| 81 | |||
| 82 | case UNCONTROLLABLE_TOKEN_START : { |
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| 83 | |||
| 84 | try { |
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| 85 | |||
| 86 | // schedule the start of uncontrollable token |
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| 87 | this.executive.scheduleUncontrollableTokenStart(node, tau); |
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| 88 | info("{Monitor} {tick: " + tick + "} {tau: " + tau + "} -> Observed token execution start at time " + tau + "\n" |
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| 89 | + "\t- node: " + node.getGroundSignature() + " (" + node + ")\n"); |
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| 90 | } |
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| 91 | catch (TemporalConstraintPropagationException ex) { |
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| 92 | |||
| 93 | // update node state |
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| 94 | this.executive.updateNode(node, ExecutionNodeStatus.FAILURE); |
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| 95 | // create failure cause |
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| 96 | ExecutionFailureCause cause = new NodeStartOverflow(tick, node, tau); |
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| 97 | // throw execution exception |
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| 98 | throw new NodeObservationException( |
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| 99 | "The observed start time of the token does not comply with the expected one:\n" |
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| 100 | + "\t- start: " + tau + "\n" |
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| 101 | + "\t- node: " + node + "\n", |
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| 102 | cause); |
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| 103 | } |
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| 104 | } |
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| 105 | break; |
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| 106 | |||
| 107 | case TOKEN_EXECUTION_FAILURE : { |
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| 108 | |||
| 109 | // update node status |
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| 110 | this.executive.updateNode(node, ExecutionNodeStatus.FAILURE); |
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| 111 | // execution failure |
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| 112 | ExecutionFailureCause cause = new NodeExecutionError(tick, node); |
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| 113 | // throw execution exception |
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| 114 | throw new NodeExecutionErrorException( |
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| 115 | "Node execution error:\n\t- node: " + node + "\n", |
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| 116 | cause); |
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| 117 | } |
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| 118 | } |
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| 119 | } |
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| 120 | |||
| 121 | // manage controllable tokens of the plan |
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| 122 | View Code Duplication | for (ExecutionNode node : this.executive.getNodes(ExecutionNodeStatus.IN_EXECUTION)) { |
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| 123 | |||
| 124 | // check node controllability |
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| 125 | if (node.getControllabilityType().equals(ControllabilityType.CONTROLLABLE)) { |
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| 126 | |||
| 127 | // check end conditions |
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| 128 | if (this.executive.canEnd(node)) { |
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| 129 | |||
| 130 | // check node schedule |
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| 131 | this.executive.checkSchedule(node); |
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| 132 | // check expected schedule |
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| 133 | if (tau >= node.getEnd()[0]) { |
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| 134 | |||
| 135 | // compute (controllable) execution duration |
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| 136 | long duration = Math.max(1, tau - node.getStart()[0]); |
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| 137 | // send stop signal to the platform |
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| 138 | this.executive.sendStopCommandSignalToPlatform(node); |
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| 139 | // set node as executed |
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| 140 | this.executive.updateNode(node, ExecutionNodeStatus.EXECUTED); |
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| 141 | |||
| 142 | // token scheduled |
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| 143 | info("{Monitor} {tick: " + tick + "} {tau: " + tau + "} -> Scheduling duration for controllable token\n" |
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| 144 | + "\t- duration: " + duration + "\n" |
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| 145 | + "\t- node: " + node.getGroundSignature() + " (" + node + ")\n"); |
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| 146 | } |
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| 147 | else { |
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| 148 | |||
| 149 | // wait - not ready for dispatching |
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| 150 | debug("{Monitor} {tick: " + tick + "} {tau: " + tau + "} -> End conditions satisifed but node schedule not ready for ending\n" |
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| 151 | + "\t- node: " + node.getGroundSignature() + " (" + node + ")\n"); |
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| 152 | } |
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| 153 | } |
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| 154 | else { |
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| 155 | |||
| 156 | // print a message in debug mode |
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| 157 | debug("{Monitor} {tick: " + tick + "} {tau: " + tau + "} -> End execution conditions not satisfied yet\n" |
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| 158 | + "\t- node: " + node.getGroundSignature() + " (" + node + ")\n"); |
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| 159 | } |
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| 160 | } |
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| 161 | } |
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| 162 | } |
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| 163 | |||
| 164 | /** |
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| 165 | * |
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| 166 | */ |
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| 167 | View Code Duplication | @Override |
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| 168 | public void handleExecutionFailure(long tick, ExecutionFailureCause cause) |
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| 169 | throws PlatformException { |
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| 170 | |||
| 171 | // convert tick to tau |
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| 172 | long tau = this.executive.convertTickToTau(tick); |
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| 173 | // check received feedbacks |
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| 174 | while (this.hasObservations()) { |
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| 175 | |||
| 176 | // get next observation |
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| 177 | ExecutionFeedback feedback = this.next(); |
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| 178 | // get node |
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| 179 | ExecutionNode node = feedback.getNode(); |
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| 180 | // check node schedule |
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| 181 | this.executive.checkSchedule(node); |
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| 182 | // check execution result |
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| 183 | switch (feedback.getType()) { |
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| 184 | |||
| 185 | case PARTIALLY_CONTROLLABLE_TOKEN_COMPLETE : |
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| 186 | case UNCONTROLLABLE_TOKEN_COMPLETE : { |
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| 187 | |||
| 188 | // compute node duration of the token in execution |
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| 189 | long duration = Math.max(1, tau - node.getStart()[0]); |
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| 190 | // the node can be considered as executed |
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| 191 | this.executive.updateNode(node, ExecutionNodeStatus.FAILURE); |
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| 192 | // add repair information |
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| 193 | cause.addRepairInfo(node, duration); |
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| 194 | // info message |
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| 195 | debug("{Monitor} {tick: " + tick + "} {tau: " + tau + "} {FAILURE-HANDLING} -> Observed token execution with duration " + duration + " \n" |
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| 196 | + "\t- node: " + node.getGroundSignature() + " (" + node + ")\n"); |
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| 197 | } |
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| 198 | break; |
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| 199 | |||
| 200 | case UNCONTROLLABLE_TOKEN_START : { |
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| 201 | |||
| 202 | // update node status |
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| 203 | this.executive.updateNode(node, ExecutionNodeStatus.FAILURE); |
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| 204 | info("{Monitor} {tick: " + tick + "} {tau: " + tau + "} {FAILURE-HANDLING} -> Observed token execution start at time " + tau + "\n" |
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| 205 | + "\t- node: " + node.getGroundSignature() + " (" + node + ")\n"); |
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| 206 | } |
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| 207 | break; |
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| 208 | |||
| 209 | case TOKEN_EXECUTION_FAILURE : { |
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| 210 | |||
| 211 | // the node can be considered as executed |
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| 212 | this.executive.updateNode(node, ExecutionNodeStatus.FAILURE); |
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| 213 | info("{Monitor} {tick: " + tick + "} {tau: " + tau + "} {FAILURE-HANDLING} -> Observed execution failure at time " + tau + "\n" |
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| 214 | + "\t- node: " + node.getGroundSignature() + " (" + node + ")\n"); |
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| 215 | |||
| 216 | } |
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| 217 | } |
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| 218 | } |
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| 219 | // manage controllable tokens of the plan |
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| 220 | for (ExecutionNode node : this.executive.getNodes(ExecutionNodeStatus.IN_EXECUTION)) { |
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| 221 | |||
| 222 | // check node controllability |
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| 223 | if (node.getControllabilityType().equals(ControllabilityType.CONTROLLABLE)) { |
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| 224 | |||
| 225 | // check if controllable node can stop |
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| 226 | if (this.executive.canEnd(node)) { |
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| 227 | |||
| 228 | // check node schedule |
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| 229 | this.executive.checkSchedule(node); |
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| 230 | // check expected schedule |
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| 231 | if (tau >= node.getEnd()[0]) { |
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| 232 | |||
| 233 | // the node can be considered as executed |
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| 234 | this.executive.updateNode(node, ExecutionNodeStatus.FAILURE); |
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| 235 | // send stop command |
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| 236 | this.executive.sendStopCommandSignalToPlatform(node); |
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| 237 | // info message |
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| 238 | debug("{Monitor} {tick: " + tick + "} {tau: " + tau + "} {FAILURE-HANDLING} -> Stopping execution of controllable token\n" |
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| 239 | + "\t- node: " + node.getGroundSignature() + " (" + node + ")\n"); |
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| 240 | |||
| 241 | } else { |
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| 242 | |||
| 243 | // info message |
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| 244 | debug("{Monitor} {tick: " + tick + "} {tau: " + tau + "} {FAILURE-HANDLING} -> Waiting stop condition for controllable token\n" |
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| 245 | + "\t- node: " + node.getGroundSignature() + " (" + node + ")\n"); |
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| 246 | } |
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| 252 |
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