annotate Implab/Diagnostics/OperationContext.cs @ 188:3071220371f8 ref20160224

Updated VS project
author cin
date Fri, 22 Apr 2016 12:59:31 +0300
parents 04d4c92d0f28
children ea485487a424
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1 namespace Implab.Diagnostics {
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2 struct OperationContext {
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3 public readonly static OperationContext EMPTY = new OperationContext(LogicalOperation.EMPTY, false);
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5 LogicalOperation m_initial;
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6 LogicalOperation m_current;
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7 bool m_ownership;
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9 public OperationContext(LogicalOperation operation, bool ownership) {
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10 Safe.ArgumentNotNull(operation, "operation");
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12 m_initial = operation;
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13 m_current = operation;
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14 m_ownership = ownership;
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15 }
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17 public LogicalOperation CurrentOperation {
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18 get { return m_current; }
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19 }
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21 public void BeginLogicalOperation(string name) {
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22 m_current = new LogicalOperation(name, m_current);
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23 }
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25 public LogicalOperation DetachLogicalOperation() {
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26 var detached = m_current;
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27 if (m_current != LogicalOperation.EMPTY) {
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28 if (m_current != m_initial)
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29 m_current = m_current.Parent;
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30 else if (m_ownership)
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31 m_current = LogicalOperation.EMPTY;
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32 else {
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33 TraceLog.TraceWarning("DetachLogicalOperation can't be applied in the current context");
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34 detached = LogicalOperation.EMPTY;
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35 }
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36 } else {
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37 TraceLog.TraceWarning("DetachLogicalOperation can't be applied in the current context");
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38 }
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40 return detached;
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41 }
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43 public LogicalOperation EndLogicalOperation() {
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44 var current = m_current;
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45 if (m_current != LogicalOperation.EMPTY && (m_current != m_initial || m_ownership)) {
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46 m_current = m_current.Parent;
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47 if (current == m_initial) {
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48 // we have complete the owned operation
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49 m_initial = m_current;
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50 m_ownership = false;
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51 }
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52 } else {
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53 TraceLog.TraceWarning("EndLogicalOperation can't be applied in the current context");
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54 }
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55 return current;
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56 }
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58 public void Leave() {
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60 if ((m_ownership && m_current != LogicalOperation.EMPTY) || (!m_ownership && m_current != m_initial) )
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61 TraceLog.TraceWarning("Trying to leave unfinished logical operation {0}", m_current.Name);
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62 }
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63 }
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64 }
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