private HashMap<Integer, Set<Integer>> createInstallationDepartureChromosome() {
HashMap<Integer, Set<Integer>> individualInstallationDeparturePatterns =
new HashMap<Integer, Set<Integer>>();
for (Installation installation :
problemData
.getCustomerInstallations()) { // for each installation, choose a random installation
// pattern based on the frequency
Set<Set<Integer>> possibleInstallationDeparturePatterns =
problemData.getInstallationDeparturePatterns().get(installation.getFrequency());
Set<Integer> randomInstallationDeparturePattern =
Utilities.pickRandomElementFromSet(possibleInstallationDeparturePatterns);
individualInstallationDeparturePatterns.put(
installation.getNumber(), randomInstallationDeparturePattern);
}
return individualInstallationDeparturePatterns;
}
