1 files changed, 62 insertions, 0 deletions
diff --git a/src/jcgp/backend/statistics/RunEntry.java b/src/jcgp/backend/statistics/RunEntry.java
new file mode 100644
index 0000000..0953c49
--- /dev/null
+++ b/src/jcgp/backend/statistics/RunEntry.java
@@ -0,0 +1,62 @@
+package jcgp.backend.statistics;
+
+/**
+ * This class encapsulates the data contained in a log entry.
+ * <br><br>
+ * Once constructed, data can only be retrieved. Note that
+ * the generation argument in the constructor (and consequently
+ * the value returned by {@code getGeneration()} refer to the 
+ * last generation when improvement occurred.
+ * 
+ * @see StatisticsLogger
+ * @author Eduardo Pedroni
+ *
+ */
+public class RunEntry {
+	
+	private int generation, activeNodes;
+	private double bestFitness;
+	private boolean successful;
+	
+	/**
+	 * Creates a new run entry for a logger. 
+	 * 
+	 * @param generation the generation when fitness improvement last occurred.
+	 * @param fitness the best fitness achieved.
+	 * @param active the number of active nodes in the best solution found.
+	 * @param successful whether or not the run found a perfect solution.
+	 */
+	public RunEntry(int generation, double fitness, int active, boolean successful) {
+		this.generation = generation;
+		this.bestFitness = fitness;
+		this.activeNodes = active;
+		this.successful = successful;
+	}
+	
+	/**
+	 * @return the generation when improvement last occurred.
+	 */
+	public int getGeneration() {
+		return generation;
+	}
+	/**
+	 * @return the best fitness achieved during the run.
+	 */
+	public double getFitness() {
+		return bestFitness;
+	}
+	/**
+	 * @return true if the run was successful.
+	 */
+	public boolean isSuccessful() {
+		return successful;
+	}
+	
+	/**
+	 * @return the number of active nodes in the best solution found. 
+	 */
+	public int getActiveNodes() {
+		return activeNodes;
+	}
+
+}