| 1 | package dk.deepthought.sidious.greenhouse; |
| 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.Collection; |
| 5 | |
| 6 | import net.jcip.annotations.Immutable; |
| 7 | |
| 8 | import org.apache.commons.logging.Log; |
| 9 | import org.apache.commons.logging.LogFactory; |
| 10 | |
| 11 | import dk.deepthought.sidious.supportsystem.Adjustable; |
| 12 | import dk.deepthought.sidious.supportsystem.State; |
| 13 | import dk.deepthought.sidious.supportsystem.SuperLinkID; |
| 14 | import dk.deepthought.sidious.supportsystem.SystemSettings; |
| 15 | |
| 16 | /** |
| 17 | * This class implements the abstraction of a setpoint of the screens. |
| 18 | * |
| 19 | * @author Deepthought |
| 20 | * |
| 21 | */ |
| 22 | @Immutable |
| 23 | public class ScreenSetPoint implements Adjustable { |
| 24 | |
| 25 | /** |
| 26 | * Logger for this class. |
| 27 | */ |
| 28 | private static final Log logger = LogFactory.getLog(ScreenSetPoint.class); |
| 29 | |
| 30 | |
| 31 | /** |
| 32 | * The setting of this setpoint. |
| 33 | */ |
| 34 | private final double setting; |
| 35 | |
| 36 | /** |
| 37 | * The id of the irradiance sensor. |
| 38 | */ |
| 39 | private final SuperLinkID irradianceID; |
| 40 | |
| 41 | /** |
| 42 | * Internal enum to describe possible adjustments. |
| 43 | */ |
| 44 | private enum ScreenStep { |
| 45 | UP(1f), DOWN(-1f); // Percent up and down |
| 46 | |
| 47 | private double increment; |
| 48 | |
| 49 | ScreenStep(double increment) { |
| 50 | this.increment = increment; |
| 51 | } |
| 52 | |
| 53 | public double getIncrement() { |
| 54 | return increment; |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Creates a new <code>ScreenSetPoint</code> with the specified setting. |
| 60 | * <p> |
| 61 | * Input parameters should be between 0 and 100 percent. Parameters outside |
| 62 | * this will be rounded to nearest limit. |
| 63 | * |
| 64 | * @param setting |
| 65 | * the setting |
| 66 | */ |
| 67 | public ScreenSetPoint(double setting) { |
| 68 | irradianceID = SystemSettings.getIrradianceID(); |
| 69 | if (setting > 100) { |
| 70 | setting = 100; |
| 71 | } |
| 72 | if (setting < 0) { |
| 73 | setting = 0; |
| 74 | } |
| 75 | this.setting = setting; |
| 76 | } |
| 77 | |
| 78 | /* |
| 79 | * (non-Javadoc) |
| 80 | * |
| 81 | * @see dk.deepthought.sidious.supportsystem.Adjustable#consequence(dk.deepthought.sidious.supportsystem.State) |
| 82 | */ |
| 83 | public State consequence(State state) { |
| 84 | if (!(state instanceof ClimaticState)) { |
| 85 | String fail = "Input state must be a climatic state. - state=" |
| 86 | + state; |
| 87 | logger.error(fail); |
| 88 | throw new IllegalArgumentException(fail); |
| 89 | } |
| 90 | ClimaticState cs = (ClimaticState) state; |
| 91 | Collection<SensorInput> sensors = cs.getSensors(); |
| 92 | Collection<SensorInput> newSensors = new ArrayList<SensorInput>(); |
| 93 | for (SensorInput input : sensors) { |
| 94 | if (input.getID().equals(irradianceID)) { |
| 95 | double newValue = input.getValue() * (1 - (setting / 100)); |
| 96 | newSensors.add(input.newInstanceWithNewValue(newValue)); |
| 97 | } else { |
| 98 | newSensors.add(input); |
| 99 | } |
| 100 | } |
| 101 | return new ClimaticState(newSensors); |
| 102 | } |
| 103 | |
| 104 | /* |
| 105 | * (non-Javadoc) |
| 106 | * |
| 107 | * @see dk.deepthought.sidious.supportsystem.Adjustable#possibleAdjustments() |
| 108 | */ |
| 109 | public Collection<Adjustable> possibleAdjustments() { |
| 110 | Collection<Adjustable> setpoints = new ArrayList<Adjustable>(); |
| 111 | for (ScreenStep possibleDirection : ScreenStep.values()) { |
| 112 | double result = setting + possibleDirection.getIncrement(); |
| 113 | assert result != Float.MAX_VALUE : "result exceeded Float.MAX_VALUE"; |
| 114 | int min = 0; // Minimum value (windows closed) |
| 115 | int max = 100; // Maximum value (windows opened up all the way) |
| 116 | if (result < min) { |
| 117 | result = min; |
| 118 | if (setting != min) { |
| 119 | setpoints.add(new ScreenSetPoint(result)); |
| 120 | } |
| 121 | } else if (result > max) { |
| 122 | result = max; |
| 123 | if (setting != max) { |
| 124 | setpoints.add(new ScreenSetPoint(result)); |
| 125 | } |
| 126 | } else { |
| 127 | setpoints.add(new ScreenSetPoint(result)); |
| 128 | } |
| 129 | } |
| 130 | return setpoints; |
| 131 | } |
| 132 | |
| 133 | /* |
| 134 | * (non-Javadoc) |
| 135 | * |
| 136 | * @see dk.deepthought.sidious.supportsystem.Adjustable#getID() |
| 137 | */ |
| 138 | public SuperLinkID getID() { |
| 139 | return SystemSettings.getScreenSetPointID(); |
| 140 | } |
| 141 | |
| 142 | /* |
| 143 | * (non-Javadoc) |
| 144 | * |
| 145 | * @see dk.deepthought.sidious.supportsystem.Adjustable#getSetting() |
| 146 | */ |
| 147 | public double getSetting() { |
| 148 | return setting; |
| 149 | } |
| 150 | |
| 151 | /* (non-Javadoc) |
| 152 | * @see java.lang.Object#hashCode() |
| 153 | */ |
| 154 | @Override |
| 155 | public int hashCode() { |
| 156 | final int PRIME = 31; |
| 157 | int result = 1; |
| 158 | long temp; |
| 159 | temp = Double.doubleToLongBits(setting); |
| 160 | result = PRIME * result + (int) (temp ^ (temp >>> 32)); |
| 161 | return result; |
| 162 | } |
| 163 | |
| 164 | /* (non-Javadoc) |
| 165 | * @see java.lang.Object#equals(java.lang.Object) |
| 166 | */ |
| 167 | @Override |
| 168 | public boolean equals(Object obj) { |
| 169 | if (this == obj) |
| 170 | return true; |
| 171 | if (obj == null) |
| 172 | return false; |
| 173 | if (getClass() != obj.getClass()) |
| 174 | return false; |
| 175 | final ScreenSetPoint other = (ScreenSetPoint) obj; |
| 176 | if (Double.doubleToLongBits(setting) != Double.doubleToLongBits(other.setting)) |
| 177 | return false; |
| 178 | return true; |
| 179 | } |
| 180 | |
| 181 | /* |
| 182 | * (non-Javadoc) |
| 183 | * |
| 184 | * @see java.lang.Object#toString() |
| 185 | */ |
| 186 | @Override |
| 187 | public String toString() { |
| 188 | return getClass().getSimpleName() + "[setting=" + setting + "]"; |
| 189 | } |
| 190 | } |