| 1 | package tmcsim.cadmodels; |
|---|
| 2 | |
|---|
| 3 | import java.io.Serializable; |
|---|
| 4 | |
|---|
| 5 | import org.w3c.dom.Document; |
|---|
| 6 | import org.w3c.dom.Element; |
|---|
| 7 | |
|---|
| 8 | /** |
|---|
| 9 | * CMSDiversion is a container class used to hold information for a single |
|---|
| 10 | * diversion that may be applied at a changeable message sign. This |
|---|
| 11 | * information includes the original path, new diversion path, paramics |
|---|
| 12 | * diversion string, maximum diversion percentage, applied diversion |
|---|
| 13 | * percentage, and simulation time the diversion was applied. The updated |
|---|
| 14 | * and cleared flags are used to specify whether the diversion has been |
|---|
| 15 | * recently changed or is cleared. |
|---|
| 16 | * |
|---|
| 17 | * @author Matthew Cechini |
|---|
| 18 | * @version |
|---|
| 19 | */ |
|---|
| 20 | @SuppressWarnings("serial") |
|---|
| 21 | public class CMSDiversion implements Serializable { |
|---|
| 22 | |
|---|
| 23 | /** |
|---|
| 24 | * Enumeration with XML tag names. |
|---|
| 25 | * @author Matthew Cechini |
|---|
| 26 | */ |
|---|
| 27 | private static enum XML_TAGS { |
|---|
| 28 | /** Diversion path. */ |
|---|
| 29 | DIVERSION_PATH ("Diversion_path"), |
|---|
| 30 | /** Diversion percentage. */ |
|---|
| 31 | PERCENTAGE ("Percentage"), |
|---|
| 32 | /** Diversion identifier. */ |
|---|
| 33 | IDENTIFIER ("Identifier"); |
|---|
| 34 | |
|---|
| 35 | public String tag; |
|---|
| 36 | |
|---|
| 37 | private XML_TAGS(String t) { |
|---|
| 38 | tag = t; |
|---|
| 39 | } |
|---|
| 40 | } |
|---|
| 41 | |
|---|
| 42 | /** Boolean flag to designate whether the diversion percentage has changed.*/ |
|---|
| 43 | private boolean updated; |
|---|
| 44 | |
|---|
| 45 | /** Boolean flag to designate whether the diversion percentage is 0. */ |
|---|
| 46 | private boolean cleared; |
|---|
| 47 | |
|---|
| 48 | /** Original path of traffic. */ |
|---|
| 49 | public String originalPath; |
|---|
| 50 | |
|---|
| 51 | /** New path traffic will be diverted to. */ |
|---|
| 52 | public String newPath; |
|---|
| 53 | |
|---|
| 54 | /** Paramics diversion path. */ |
|---|
| 55 | public String diversionPath; |
|---|
| 56 | |
|---|
| 57 | /** Maximum diversion percentage. */ |
|---|
| 58 | public Integer maxDiversionPercent; |
|---|
| 59 | |
|---|
| 60 | /** Current diversion percentage. */ |
|---|
| 61 | private Integer currDiversionPercent; |
|---|
| 62 | |
|---|
| 63 | /** Time the current diversion percentage was applied. */ |
|---|
| 64 | public Long timeApplied; |
|---|
| 65 | |
|---|
| 66 | |
|---|
| 67 | /** |
|---|
| 68 | * Constructor. |
|---|
| 69 | * |
|---|
| 70 | * @param oPath Original path traffic would take. |
|---|
| 71 | * @param nPath New path traffic will take. |
|---|
| 72 | * @param dPath Paramics diversion path. |
|---|
| 73 | * @param maxPerc Maximum diversion percentage. |
|---|
| 74 | */ |
|---|
| 75 | public CMSDiversion(String oPath, String nPath, String dPath, Integer maxPerc) { |
|---|
| 76 | |
|---|
| 77 | originalPath = oPath; |
|---|
| 78 | newPath = nPath; |
|---|
| 79 | diversionPath = dPath; |
|---|
| 80 | maxDiversionPercent = maxPerc; |
|---|
| 81 | currDiversionPercent = new Integer(0); |
|---|
| 82 | timeApplied = new Long(0); |
|---|
| 83 | |
|---|
| 84 | updated = false; |
|---|
| 85 | cleared = (currDiversionPercent == 0); |
|---|
| 86 | } |
|---|
| 87 | |
|---|
| 88 | /** |
|---|
| 89 | * Get the current diversion percentage. |
|---|
| 90 | * |
|---|
| 91 | * @return Integer value of current diversion percentage. |
|---|
| 92 | */ |
|---|
| 93 | public int getCurrDiv() { |
|---|
| 94 | return currDiversionPercent.intValue(); |
|---|
| 95 | } |
|---|
| 96 | |
|---|
| 97 | /** |
|---|
| 98 | * Set the cleared flag to true if the new diversion is zero, false |
|---|
| 99 | * if not. Set the updated flag if the new diversion percentage is |
|---|
| 100 | * differenct than the previous applied diversion, false if not. |
|---|
| 101 | * Set the current diversion percentage to the parameter value. |
|---|
| 102 | * |
|---|
| 103 | * @param newDiv New applied diversion percentage. |
|---|
| 104 | */ |
|---|
| 105 | public void setCurrDiv(int newDiv) { |
|---|
| 106 | |
|---|
| 107 | cleared = (newDiv == 0); |
|---|
| 108 | updated = (newDiv != currDiversionPercent); |
|---|
| 109 | |
|---|
| 110 | currDiversionPercent = newDiv; |
|---|
| 111 | } |
|---|
| 112 | |
|---|
| 113 | /** |
|---|
| 114 | * Determine whether this diversion has been updated in its last use. |
|---|
| 115 | * |
|---|
| 116 | * @return True if diversion has been updated, false if not. |
|---|
| 117 | */ |
|---|
| 118 | public boolean isUpdated() { return updated;} |
|---|
| 119 | |
|---|
| 120 | /** |
|---|
| 121 | * Determine if the current diversion has been cleared. |
|---|
| 122 | * |
|---|
| 123 | * @return True if diversion is zero, false if not. |
|---|
| 124 | */ |
|---|
| 125 | public boolean isCleared() { return cleared;} |
|---|
| 126 | |
|---|
| 127 | /** |
|---|
| 128 | * Reset this diversion by ... |
|---|
| 129 | */ |
|---|
| 130 | public void reset() { |
|---|
| 131 | currDiversionPercent = 0; |
|---|
| 132 | |
|---|
| 133 | updated = false; |
|---|
| 134 | cleared = (currDiversionPercent == 0); |
|---|
| 135 | } |
|---|
| 136 | |
|---|
| 137 | /** |
|---|
| 138 | * Write the XML output for the diversion information |
|---|
| 139 | * represented in this object. THe format is as follows: |
|---|
| 140 | * <Diversion_path> |
|---|
| 141 | * <Identifier/> |
|---|
| 142 | * <Percentage/> |
|---|
| 143 | * <Diversion_path> |
|---|
| 144 | * |
|---|
| 145 | * @param xmlOut XMLWriter used for XML creation. |
|---|
| 146 | */ |
|---|
| 147 | public void toXML(Element currElem) { |
|---|
| 148 | |
|---|
| 149 | Document theDoc = currElem.getOwnerDocument(); |
|---|
| 150 | |
|---|
| 151 | Element divPathElem = theDoc.createElement(XML_TAGS.DIVERSION_PATH.tag); |
|---|
| 152 | currElem.appendChild(divPathElem); |
|---|
| 153 | |
|---|
| 154 | Element idElem = theDoc.createElement(XML_TAGS.IDENTIFIER.tag); |
|---|
| 155 | idElem.appendChild(theDoc.createTextNode(diversionPath)); |
|---|
| 156 | divPathElem.appendChild(idElem); |
|---|
| 157 | |
|---|
| 158 | Element pctElem = theDoc.createElement(XML_TAGS.PERCENTAGE.tag); |
|---|
| 159 | pctElem.appendChild(theDoc.createTextNode(String.valueOf(currDiversionPercent))); |
|---|
| 160 | divPathElem.appendChild(pctElem); |
|---|
| 161 | |
|---|
| 162 | } |
|---|
| 163 | } |
|---|