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1 /*******************************************************************************
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2
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3 copyright: Copyright (c) 2004 Kris Bell. All rights reserved
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4
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5 license: BSD style: $(LICENSE)
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6
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7 version: Initial release: May 2004
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8
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9 author: Kris
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10
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11 *******************************************************************************/
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12
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13 module tango.util.log.model.IHierarchy;
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14
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15 public import tango.util.log.model.ILevel;
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16
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17 /*******************************************************************************
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18
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19 The Logger hierarchy Interface. We use this to break the
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20 interdependency between a couple of modules
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21
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22 *******************************************************************************/
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23
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24 interface IHierarchy
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25 {
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26 /**********************************************************************
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27
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28 Return the name of this Hierarchy
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29
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30 **********************************************************************/
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31
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32 char[] getName ();
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33
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34 /**********************************************************************
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35
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36 Return the address of this Hierarchy. This is typically
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37 attached when sending events to remote monitors.
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38
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39 **********************************************************************/
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40
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41 char[] getAddress ();
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42
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43 /***********************************************************************
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44
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45 Configure a context
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46
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47 ***********************************************************************/
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48
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49 void context (Context context);
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50
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51 /***********************************************************************
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52
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53 Return the configured context
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54
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55 ***********************************************************************/
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56
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57 Context context ();
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58
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59 /***********************************************************************
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60
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61 Context for a hierarchy, used for customizing behaviour
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62 of log hierarchies. You can use this to implement dynamic
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63 log-levels, based upon filtering or some other mechanism
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64
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65 ***********************************************************************/
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66
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67 interface Context
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68 {
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69 /// return a label for this context
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70 char[] label ();
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71
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72 /// first arg is the setting of the logger itself, and
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73 /// the second arg is what kind of message we're being
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74 /// asked to produce
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75 bool isEnabled (ILevel.Level setting, ILevel.Level target);
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76 }
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77 }
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