minor improvements in hashCode/equals method (using algorithm's name

instead of full class object)

src/test/java/it/unibz/inf/isochrone/network/AlgorithmConfiguration.java

@@ -4,11 +4,13 @@ import it.unibz.inf.isochrone.algorithm.Isochrone;
 
 public class AlgorithmConfiguration {
 	private final Class<? extends Isochrone> algorithmClass;
+	private final String algorithmName;
 	private final TestParameters params;
 	private final boolean expireNodes;
 
 	public AlgorithmConfiguration(final Class<? extends Isochrone> algorithmClass, final TestParameters params, final boolean expireNodes) {
 		this.algorithmClass = algorithmClass;
+		this.algorithmName = algorithmClass.getSimpleName();
 		this.params = params;
 		this.expireNodes = expireNodes;
 	}
@@ -37,11 +39,9 @@ public class AlgorithmConfiguration {
 	public int hashCode() {
 		final int prime = 31;
 		int result = 1;
-		// CHECKSTYLE:OFF MagicNumber
-		result = prime * result + ((algorithmClass == null) ? 0 : algorithmClass.hashCode());
-		result = prime * result + (expireNodes ? 1231 : 1237);
+		result = prime * result + ((algorithmName == null) ? 0 : algorithmName.hashCode());
+		result = prime * result + Boolean.hashCode(expireNodes);
 		result = prime * result + ((params == null) ? 0 : params.hashCode());
-		// CHECKSTYLE:ON MagicNumber
 		return result;
 	}
 
@@ -56,13 +56,12 @@ public class AlgorithmConfiguration {
 		if (getClass() != obj.getClass()) {
 			return false;
 		}
-
 		final AlgorithmConfiguration other = (AlgorithmConfiguration) obj;
-		if (algorithmClass == null) {
-			if (other.algorithmClass != null) {
+		if (algorithmName == null) {
+			if (other.algorithmName != null) {
 				return false;
 			}
-		} else if (!algorithmClass.equals(other.algorithmClass)) {
+		} else if (!algorithmName.equals(other.algorithmName)) {
 			return false;
 		}
 		if (expireNodes != other.expireNodes) {
@@ -75,13 +74,12 @@ public class AlgorithmConfiguration {
 		} else if (!params.equals(other.params)) {
 			return false;
 		}
-
 		return true;
 	}
 
 	@Override
 	public String toString() {
-		return "CachingKey [class=" + algorithmClass.getSimpleName() + ", duration=" + params.getDuration() + ", expireNodes=" + expireNodes + "]";
+		return "AlgorithmConfiguration [algorithmName=" + algorithmName + ", duration=" + params.getDuration() + ", expireNodes=" + expireNodes + "]";
 	}
 
 }