1 | #--------------------------------------------------------------------------------------
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2 |
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3 | ## @package mlx.gates
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4 | #
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5 | # The module to handle the LHBP gate information.
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6 | #
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7 |
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8 | #--------------------------------------------------------------------------------------
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9 |
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10 | class Gate(object):
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11 | """Information about a gate."""
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12 | @staticmethod
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13 | def fromJSON(data):
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14 | """Create the gate from the given JSON data."""
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15 | return Gate(data["number"], data["terminal"],
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16 | data["type"],
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17 | maxSpan = data["maxSpan"],
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18 | maxLength = data["maxLength"])
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19 |
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20 | def __init__(self, number, terminal, type,
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21 | availableFn = None, taxiThrough = False,
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22 | maxSpan = 0.0, maxLength = 0.0):
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23 | """Construct the gate with the given information.
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24 |
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25 | number is the gate's number as a string (as it can contain letters).
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26 | terminal is the terminal the gate belongs to (not used currently).
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27 | type is the gate's type: G for gate, S for stand.
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28 | availableFn is a function that can determine if the gate is available based on
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29 | the statuses of other gates. Its arguments are:
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30 | - a collection of the gates, and
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31 | - a set of occupied gate numbers."""
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32 | self.number = number
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33 | self.terminal = terminal
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34 | self.type = type
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35 | self._availableFn = availableFn
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36 | self.taxiThrough = taxiThrough
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37 | self.maxSpan = maxSpan
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38 | self.maxLength = maxLength
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39 |
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40 | def isAvailable(self, plane, gates, occupiedGateNumbers):
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41 | """Determine if this gate is available for the given plane and the
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42 | given the set of gates and occupied gate numbers."""
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43 | if self.number in occupiedGateNumbers:
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44 | return False
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45 | if self._availableFn is None or \
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46 | self._availableFn(gates, occupiedGateNumbers):
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47 | return plane is None or \
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48 | ((self.maxSpan<0.1 or plane.wingSpan <= self.maxSpan) and
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49 | (self.maxLength<0.1 or plane.fuselageLength <= self.maxLength) and
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50 | (not plane.hasStairs or self.type!="G"))
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51 | else:
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52 | return False
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53 |
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54 | def toJSON(self):
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55 | """Create a JSON representation of the gate."""
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56 | data = {}
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57 | for attributeName in ["number", "terminal", "type",
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58 | "maxSpan", "maxLength"]:
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59 | data[attributeName] = getattr(self, attributeName)
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60 | return data
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61 |
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62 | #--------------------------------------------------------------------------------------
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63 |
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64 | class Gates(object):
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65 | """A collection of gates."""
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66 | # Display info type: a gate (number)
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67 | DISPLAY_GATE=1
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68 |
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69 | # Display info type: a space
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70 | DISPLAY_SPACE=2
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71 |
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72 | # Display info type: a new column
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73 | DISPLAY_NEW_COLUMN=3
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74 |
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75 | @staticmethod
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76 | def fromJSON(data):
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77 | """Create a gates object from the given JSON data."""
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78 | gates = Gates()
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79 | for gateData in data:
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80 | gates.add(Gate.fromJSON(gateData))
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81 | return gates
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82 |
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83 | def __init__(self):
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84 | """Construct the gate collection."""
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85 | self._gates = []
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86 | self._displayInfos = []
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87 | self._numColumns = 1
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88 | self._numRows = 0
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89 | self._numRowsInColumn = 0
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90 |
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91 | @property
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92 | def gates(self):
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93 | """Get an iterator over the gates."""
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94 | return iter(self._gates)
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95 |
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96 | @property
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97 | def displayInfos(self):
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98 | """Get an iterator over the display info tuples.
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99 |
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100 | Each tuple consists of
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101 | - a type (one of the DISPLAY_XXX constants), and
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102 | - an additional data (the gate for DISPLAY_GATE, None for others)."""
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103 | return iter(self._displayInfos)
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104 |
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105 | @property
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106 | def numRows(self):
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107 | """Get the number of rows."""
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108 | return self._numRows
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109 |
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110 | @property
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111 | def numColumns(self):
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112 | """Get the number of columns."""
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113 | return self._numColumns
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114 |
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115 | def add(self, gate):
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116 | """Add a gate to the collection."""
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117 | self._gates.append(gate)
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118 | self._displayInfos.append((Gates.DISPLAY_GATE, gate))
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119 | self._addRow()
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120 |
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121 | def find(self, gateNumber):
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122 | """Find a gate by its number."""
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123 | for gate in self._gates:
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124 | if gate.number == gateNumber:
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125 | return gate
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126 |
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127 | def addSpace(self):
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128 | """Add a space between subsequent gates."""
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129 | self._displayInfos.append((Gates.DISPLAY_SPACE, None))
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130 | self._addRow()
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131 |
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132 | def addNewColumn(self):
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133 | """Start a new column of gates."""
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134 | self._displayInfos.append((Gates.DISPLAY_NEW_COLUMN, None))
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135 | self._numRowsInColumn = 0
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136 | self._numColumns += 1
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137 |
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138 | def merge(self, otherGates):
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139 | """Merge the information from the given gate list (retrieved from the
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140 | MAVA server) into this gate list."""
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141 | for otherGate in otherGates.gates:
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142 | gate = self.find(otherGate.number)
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143 | if gate is None:
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144 | print("Received data for gate %s, but it does not exist locally!" %
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145 | (otherGate.number,))
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146 | else:
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147 | if gate.terminal != otherGate.terminal:
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148 | print("The terminal for gate %s is received as: %s" %
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149 | (gate.number, otherGate.terminal))
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150 | gate.terminal = otherGate.terminal
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151 | if gate.type != otherGate.type:
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152 | print("The type for gate %s is received as: %s" %
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153 | (gate.number, otherGate.type))
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154 | gate.type = otherGate.type
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155 |
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156 | gate.maxSpan = otherGate.maxSpan
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157 | gate.maxLength = otherGate.maxLength
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158 |
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159 | for gate in self.gates:
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160 | if gate.maxSpan==0.0 or gate.maxLength==0.0:
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161 | print("Gate %s has no maximal dimensions from the database" %
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162 | (gate.number,))
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163 |
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164 | def toJSON(self):
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165 | """Convert the list of gates into a JSON data."""
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166 | return [gate.toJSON() for gate in self._gates]
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167 |
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168 | def _addRow(self):
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169 | """Add a new row."""
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170 | self._numRowsInColumn += 1
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171 | if self._numRowsInColumn > self._numRows:
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172 | self._numRows = self._numRowsInColumn
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173 |
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174 | #--------------------------------------------------------------------------------------
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175 |
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176 | def availableIf(occupiedGateNumbers, othersAvailable = []):
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177 | """Determine if a gate is available.
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178 |
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179 | othersAvailable is a list of numbers of gates, that must be available so
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180 | that the one we are considering is available."""
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181 | for otherNumber in othersAvailable:
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182 | if otherNumber in occupiedGateNumbers:
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183 | return False
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184 | return True
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185 |
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186 | #--------------------------------------------------------------------------------------
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187 |
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188 | def getAvailableIf(othersAvailable = []):
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189 | """Get a function that determines if a gate is available based on the
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190 | statuses of other gates."""
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191 | return lambda gates, occupiedGateNumbers: availableIf(occupiedGateNumbers,
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192 | othersAvailable =
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193 | othersAvailable)
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194 |
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195 | #--------------------------------------------------------------------------------------
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196 |
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197 | # The gates at LHBP
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198 | lhbpGates = Gates()
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199 |
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200 | lhbpGates.add(Gate("R101", "1", "S", taxiThrough = True))
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201 | lhbpGates.add(Gate("R102", "1", "S"))
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202 | lhbpGates.add(Gate("R103", "1", "S"))
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203 | lhbpGates.add(Gate("R104", "1", "S",
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204 | availableFn = getAvailableIf(othersAvailable = ["R105"])))
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205 | lhbpGates.add(Gate("R105", "1", "S",
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206 | availableFn = getAvailableIf(othersAvailable = ["R104", "R106"])))
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207 | lhbpGates.add(Gate("R106", "1", "S",
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208 | availableFn = getAvailableIf(othersAvailable = ["R105", "R108"])))
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209 | lhbpGates.add(Gate("R107", "1", "S",
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210 | availableFn = getAvailableIf(othersAvailable = ["R108"])))
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211 | lhbpGates.add(Gate("R108", "1", "S",
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212 | availableFn = getAvailableIf(othersAvailable = ["R106", "R107"])))
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213 |
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214 | lhbpGates.addSpace()
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215 | lhbpGates.add(Gate("R110", "1", "S",
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216 | availableFn = getAvailableIf(othersAvailable = ["R111"])))
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217 | lhbpGates.add(Gate("R111", "1", "S",
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218 | availableFn = getAvailableIf(othersAvailable = ["R110", "R112"])))
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219 | lhbpGates.add(Gate("R112", "1", "S",
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220 | availableFn = getAvailableIf(othersAvailable = ["R111"])))
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221 | lhbpGates.add(Gate("R113", "1", "S",
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222 | availableFn = getAvailableIf(othersAvailable = ["R112", "R114"])))
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223 | lhbpGates.add(Gate("R114", "1", "S",
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224 | availableFn = getAvailableIf(othersAvailable = ["R113"])))
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225 | lhbpGates.add(Gate("R115", "1", "S"))
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226 | lhbpGates.add(Gate("R116", "1", "S",
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227 | availableFn = getAvailableIf(othersAvailable = ["R117"]),
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228 | taxiThrough = True))
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229 | lhbpGates.add(Gate("R117", "1", "S",
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230 | availableFn = getAvailableIf(othersAvailable = ["R116", "R117A"])))
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231 | lhbpGates.add(Gate("R117A", "1", "S",
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232 | availableFn = getAvailableIf(othersAvailable = ["R116", "R117"])))
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233 | lhbpGates.addNewColumn()
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234 |
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235 | lhbpGates.add(Gate("G150", "1", "S"))
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236 | lhbpGates.add(Gate("G151", "1", "S"))
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237 | lhbpGates.add(Gate("G152", "1", "S"))
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238 | lhbpGates.add(Gate("G153", "1", "S"))
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239 | lhbpGates.add(Gate("G154", "1", "S"))
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240 | lhbpGates.add(Gate("G155", "1", "S"))
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241 |
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242 | lhbpGates.addSpace()
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243 | lhbpGates.add(Gate("G170", "1", "S", taxiThrough = True))
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244 | lhbpGates.add(Gate("G171", "1", "S", taxiThrough = True))
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245 | lhbpGates.add(Gate("G172", "1", "S", taxiThrough = True))
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246 | lhbpGates.addNewColumn()
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247 |
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248 | lhbpGates.add(Gate("31", "2B", "G"))
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249 | lhbpGates.add(Gate("32", "2B", "G"))
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250 | lhbpGates.add(Gate("33", "2B", "G"))
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251 | lhbpGates.add(Gate("34", "2B", "G",
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252 | availableFn = getAvailableIf(othersAvailable = ["34L", "34R"])))
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253 | lhbpGates.add(Gate("34L", "2B", "G",
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254 | availableFn = getAvailableIf(othersAvailable = ["34", "34R"])))
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255 | lhbpGates.add(Gate("34R", "2B", "G",
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256 | availableFn = getAvailableIf(othersAvailable = ["34L", "34"])))
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257 | lhbpGates.add(Gate("35", "2B", "G",
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258 | availableFn = getAvailableIf(othersAvailable = ["35L", "35R"])))
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259 | lhbpGates.add(Gate("35L", "2B", "G",
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260 | availableFn = getAvailableIf(othersAvailable = ["35", "35R"])))
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261 | lhbpGates.add(Gate("35R", "2B", "G",
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262 | availableFn = getAvailableIf(othersAvailable = ["35L", "35"])))
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263 | lhbpGates.add(Gate("36", "2B", "G",
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264 | availableFn = getAvailableIf(othersAvailable = ["36L", "36R"])))
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265 | lhbpGates.add(Gate("36L", "2B", "G",
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266 | availableFn = getAvailableIf(othersAvailable = ["36", "36R"])))
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267 | lhbpGates.add(Gate("36R", "2B", "G",
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268 | availableFn = getAvailableIf(othersAvailable = ["36L", "36"])))
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269 | lhbpGates.addSpace()
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270 |
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271 | lhbpGates.add(Gate("37", "2B", "G"))
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272 | lhbpGates.add(Gate("38", "2B", "G"))
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273 | lhbpGates.add(Gate("39", "2B", "G",
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274 | availableFn = getAvailableIf(othersAvailable = ["37L", "37R"])))
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275 | lhbpGates.add(Gate("39L", "2B", "G",
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276 | availableFn = getAvailableIf(othersAvailable = ["37", "37R"])))
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277 | lhbpGates.add(Gate("39R", "2B", "G",
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278 | availableFn = getAvailableIf(othersAvailable = ["37L", "37"])))
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279 | lhbpGates.addNewColumn()
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280 |
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281 | lhbpGates.add(Gate("42", "2A", "G"))
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282 | lhbpGates.add(Gate("43", "2A", "G"))
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283 | lhbpGates.add(Gate("44", "2A", "G"))
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284 | lhbpGates.add(Gate("45", "2A", "G"))
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285 | lhbpGates.addSpace()
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286 |
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287 | lhbpGates.add(Gate("R210", "2A", "S",
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288 | availableFn = getAvailableIf(othersAvailable = ["R212A"]),
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289 | taxiThrough = True))
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290 | lhbpGates.add(Gate("R211", "2A", "S",
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291 | availableFn = getAvailableIf(othersAvailable = ["R212A"]),
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292 | taxiThrough = True))
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293 | lhbpGates.add(Gate("R212", "2A", "S",
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294 | availableFn = getAvailableIf(othersAvailable = ["R212A"]),
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295 | taxiThrough = True))
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296 | lhbpGates.add(Gate("R212A", "2A", "S",
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297 | availableFn = getAvailableIf(othersAvailable = ["R210", "R211", "R212"]),
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298 | taxiThrough = True))
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299 | lhbpGates.addSpace()
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300 |
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301 | lhbpGates.add(Gate("R220", "2B", "S"))
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302 | lhbpGates.add(Gate("R221", "2B", "S"))
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303 | lhbpGates.add(Gate("R222", "2B", "S"))
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304 | lhbpGates.add(Gate("R223", "2B", "S"))
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305 | lhbpGates.addSpace()
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306 |
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307 | lhbpGates.add(Gate("R224", "2A", "S"))
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308 | lhbpGates.add(Gate("R225", "2A", "S"))
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309 | lhbpGates.add(Gate("R226", "2A", "S"))
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310 | lhbpGates.add(Gate("R227", "2A", "S"))
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311 | lhbpGates.addNewColumn()
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312 |
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313 | lhbpGates.add(Gate("R270", "2A", "S"))
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314 | lhbpGates.add(Gate("R271", "2A", "S"))
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315 | lhbpGates.add(Gate("R272", "2A", "S"))
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316 | lhbpGates.add(Gate("R273", "2A", "S"))
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317 | lhbpGates.add(Gate("R274", "2A", "S"))
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318 | lhbpGates.add(Gate("R275", "2A", "S"))
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319 | lhbpGates.add(Gate("R276", "2A", "S"))
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320 | lhbpGates.add(Gate("R277", "2A", "S"))
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321 | lhbpGates.add(Gate("R278", "2A", "S",
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322 | availableFn = getAvailableIf(othersAvailable = ["R278A"]),
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323 | taxiThrough = True))
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324 | lhbpGates.add(Gate("R278A", "2A", "S",
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325 | availableFn = getAvailableIf(othersAvailable = ["R278", "R279"])))
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326 | lhbpGates.add(Gate("R279", "2A", "S",
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327 | availableFn = getAvailableIf(othersAvailable = ["R278A"]),
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328 | taxiThrough = True))
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