edu.kit.ifv.mobitopp.result.ResultRepository Maven / Gradle / Ivy

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mobiTopp (http://mobitopp.ifv.kit.edu/) is an agent-based travel demand model developed at the Institute for transport studies at the Karlsruhe Institute of Technology (http://www.ifv.kit.edu/english/index.php). Publications about mobiTopp can be found on the project site (http://mobitopp.ifv.kit.edu/28.php).

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package edu.kit.ifv.mobitopp.result;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;

public class ResultRepository {

	private final Map outputs;
	private final Function factory;

	public ResultRepository(Function factory) {
		super();
		this.outputs = new HashMap<>();
		this.factory = factory;
	}

	public ResultOutput fileFor(Category category) {
		ensureOutputIsAvailableFor(category);
		return outputs.get(category);
	}

	private void ensureOutputIsAvailableFor(Category category) {
		if (misses(category)) {
			outputs.put(category, factory.apply(category));
		}
	}

	private boolean misses(Category category) {
		return !outputs.containsKey(category);
	}

	public void close() throws IOException {
		for (ResultOutput output : outputs.values()) {
			output.close();
		}
	}

}